Re: switching schedulers (Re: SCHED_ULE should not be the default)

2011-12-16 Thread Michel Talon
Adrian Chadd said:


 Hi all,
 
 Can someone load a kernel module dynamically at boot-time?
 
 Ie, instead of compiling it in, can 4bsd/ule be loaded as a KLD at
 boot-time, so the user can just change by rebooting?
 
 That may be an acceptable solution for now.

As Luigi explained, the problem is not to have code for both schedulers 
residing in the 
kernel, the problem is to migrate processes from one scheduler to the other.

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Re: Benchmark (Phoronix): FreeBSD 9.0-RC2 vs. Oracle Linux 6.1

2011-12-16 Thread Michel Talon

O Hartmann says:

 For the underlying OS, as far as I know, the compiler hasn't as much
 impact as on userland software since autovectorization and other neat
 things are not used during system build.
 
 From my experience using gcc 4.2 or 4.4/4.5 does not have an impact
 beyond 3% when SSE isn't explicetly enforced.
 
 More interesting is the performance gain due to the architecture. I
 think it would be very easy for M. Larabel to repeat this benchmark with
 a bleeding edge  Ubuntu or Suse as well. And since FreeBSD 9.0 can be
 compiled with CLANG, it should be possible to compare both also with
 bleeding edge compilers, say FreeBSD 9/CLANG, Ubuntu 12/gcc 4.6.2.

My experience is that using gcc 4.6 gives *much* better performance than using 
the obsolete
gcc that is in FreeBSD and much better performance than clang. After all you 
have to pay the price 
for stupidities such as being GPL free. Or you can see it otherwise, you can 
compete on the
most GPL free system, or the best working system.  As for the ZFS versus ext3 
performance, here also
if you try to sell FreeBSD on features which are supposed to have extraordinary 
benefits don't be surprised 
when testers use these features and find horrendous performance issues.



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Re: switching schedulers (Re: SCHED_ULE should not be the default)

2011-12-16 Thread Michel Talon

Le 16 déc. 2011 à 22:51, Doug Barton a écrit :

 On 12/16/2011 13:40, Michel Talon wrote:
 Adrian Chadd said:
 
 
 Hi all,
 
 Can someone load a kernel module dynamically at boot-time?
 
 Ie, instead of compiling it in, can 4bsd/ule be loaded as a KLD at 
 boot-time, so the user can just change by rebooting?
 
 That may be an acceptable solution for now.
 
 As Luigi explained, the problem is not to have code for both
 schedulers residing in the kernel, the problem is to migrate
 processes from one scheduler to the other.
 
 I think dynamically switching schedulers on a running system and loading
 one or the other at boot time are different problems, are they not?
 


Of course, you are perfectly right., and i had misunderstood Adrian's post.
But if the problem is only to change scheduler by rebooting,
i think it is no more expensive to compile a kernel with the other scheduler. 
Or is it that people
never compile kernels nowadays?  The ability to switch scheduler on a running 
machine
would certainly be a more desirable way to test the best adaptation of the 
system to the load.

To come back to the problems in question about ULE i must say i don't see 
obvious 
malfunctions for my own use (i had some problems of this sort long ago, but they
disappeared with more recent FreeBSD).

 
 Doug
 
 

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Re: RFC vgrind in base (and buildworld)

2011-01-23 Thread Michel Talon
Damien Fleuriot wrote:
 I think I'm speaking for a reasonable amount of people when I say: I
 have no idea what vgrind is used for to begin with.

Anyways, there is also a reasonable number of people who know what
vgrind is about: pretty printing various source codes through troff
particularly C code. Another tool doing the same through TeX is
tgrind.

 The less clutter, the better :)

Except perhaps not two people have the same idea of clutter.
For example many people think that half of the content of the so-called
base system is clutter.


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FreeBSD-7.2 works excellent

2009-06-02 Thread Michel Talon
Hello,

just a word to say that the upgrade from FreeBSD-7.1 to 7.2 has solved all 
problems i had 
on my desktop (very slow windowing, etc.) without changing anything to the 
installed ports.
Now everything works excellent in accordance with the FreeBSD tradition.

Thanks for the good work of the developers

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Re: Invalid path for portupgrade ftp.FreeBSD.orgpub

2009-02-16 Thread Michel Talon
I think you can access that in the ruby program pkg_fetch
(/usr/local/sbin/pkg_fetch)
in function real_fetch_pkg, i have the following:
 $pkg_site_uris.each do |uri_base|
PKG_SUFFIXES.each do |suffix|
  uri = uri_base + (subdir + '/' + pkgname + suffix)
  path = path_base + suffix

  fetch(uri, path) and return path
end
  end

Here probably you lack the '/'


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Re: A nasty ataraid experience.

2009-01-23 Thread Michel Talon

Bruce M Simpson wrote:

 Following the rebuild procedure in the Handbook, if you try to run 
 atacontrol rebuild from the FreeBSD 7.1 LiveFS, it'll break. I ran it 
 thinking that it had some kind of magic in it which I couldn't achieve 
 using dd alone, which is partly true, but also partly not true.
 
 It has a hardcoded path to /usr/bin/nice, which it runs using the 
 system() libc call, and unfortunately, the LiveFS is rooted at /mnt2. It 
 does this after it issues an ioctl() to tell the ATA driver to copy and 
 rewrite the meta-data to the new spare drive.

I always use the LiveFS cdromin the following way:

chroot /mnt2
set -o emacs
mount -t devfs devfs /dev
export PAGER=more

so that i am exactly in the same situation as on a real machine.

 HOMEWORK: Why does fdisk still assume 16 heads... ? Perhaps we should 
 have a switch to tell it to use the LBA-style C/H/S converted geometry?

FreeBSD fdisk is a calamity.


 I also now understand that I can't rely on RAID alone to keep the 
 integrity of my own data -- there is no substitute for backups, I just 
 wish there were realistic backup solutions for individuals trying to do 
 things with technology right now, without paying over the odds, or being 
 ripped off.


A solution to keep backups without paying over the odds is to backup
your data to another hard disk. This doesn't mean using RAID mirror, it
means using rsync or similar to copy data regularly. It is preferable
that this occurs on another machine, and even better in another
geographic location. But even if the backup disk is on the same machine,
this protects againts inadvertent deletions of a file or RAID
misbehaviors. The risk being that some hardware problem simultaneously
corrupts the main storage and the backup. Modern features such as
UFS snapshots or better ZFS snapshots allow to produce better backups.


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Re: Big problems with 7.1 locking up :-(

2009-01-18 Thread Michel Talon
 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 on usb1
uhub1: 2 ports with 2 removable, self powered
uhci2: Intel 82801DB (ICH4) USB controller USB-C port 0xb000-0xb01f irq 18 at 
device 29.2 on pci0
uhci2: [GIANT-LOCKED]
uhci2: [ITHREAD]
usb2: Intel 82801DB (ICH4) USB controller USB-C on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 on usb2
uhub2: 2 ports with 2 removable, self powered
ehci0: Intel 82801DB/L/M (ICH4) USB 2.0 controller mem 0xde80-0xde8003ff 
irq 23 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb3: EHCI version 1.0
usb3: companion controllers, 2 ports each: usb0 usb1 usb2
usb3: Intel 82801DB/L/M (ICH4) USB 2.0 controller on ehci0
usb3: USB revision 2.0
uhub3: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1 on usb3
uhub3: 6 ports with 6 removable, self powered
pcib2: ACPI PCI-PCI bridge at device 30.0 on pci0
pci2: ACPI PCI bus on pcib2
bfe0: Broadcom BCM4401 Fast Ethernet mem 0xde00-0xde001fff irq 20 at 
device 5.0 on pci2
miibus0: MII bus on bfe0
bmtphy0: BCM4401 10/100baseTX PHY PHY 1 on miibus0
bmtphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
bfe0: Ethernet address: 00:0c:6e:04:5d:39
bfe0: [ITHREAD]
fxp0: Intel 82559 Pro/100 Ethernet port 0xa800-0xa83f mem 
0xdd80-0xdd800fff,0xdd00-0xdd0f irq 23 at device 11.0 on pci2
miibus1: MII bus on fxp0
inphy0: i82555 10/100 media interface PHY 1 on miibus1
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:02:b3:1d:df:8e
fxp0: [ITHREAD]
sym0: 875 port 0xa400-0xa4ff mem 0xdc80-0xdc8000ff,0xdc00-0xdc000fff 
irq 20 at device 12.0 on pci2
sym0: Tekram NVRAM, ID 7, Fast-20, SE, parity checking
sym0: [ITHREAD]
isab0: PCI-ISA bridge at device 31.0 on pci0
isa0: ISA bus on isab0
atapci0: Intel ICH4 UDMA100 controller port 
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf000-0xf00f irq 18 at device 31.1 on pci0
ata0: ATA channel 0 on atapci0
ata0: [ITHREAD]
ata1: ATA channel 1 on atapci0
ata1: [ITHREAD]
pcm0: Intel ICH4 (82801DB) port 0x9800-0x98ff,0x9400-0x943f mem 
0xdb80-0xdb8001ff,0xdb00-0xdbff irq 17 at device 31.5 on pci0
pcm0: [ITHREAD]
pcm0: Analog Devices AD1980 AC97 Codec
fdc0: floppy drive controller port 0x3f2-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FILTER]
fd0: 1440-KB 3.5 drive on fdc0 drive 0
sio0: 16550A-compatible COM port port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio0: [FILTER]
sio1: 16550A-compatible COM port port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
sio1: [FILTER]
atkbdc0: Keyboard controller (i8042) port 0x60,0x64 irq 1 on acpi0
atkbd0: AT Keyboard irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
cpu0: ACPI CPU on acpi0
p4tcc0: CPU Frequency Thermal Control on cpu0
cpu1: ACPI CPU on acpi0
p4tcc1: CPU Frequency Thermal Control on cpu1
pmtimer0 on isa0
orm0: ISA Option ROMs at iomem 0xc-0xccfff,0xd-0xd0fff pnpid ORM 
on isa0
sc0: System console at flags 0x100 on isa0
sc0: VGA 16 virtual consoles, flags=0x300
vga0: Generic ISA VGA at port 0x3c0-0x3df iomem 0xa-0xb on isa0
ppc0: Parallel port at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
ppbus0: Parallel port bus on ppc0
ppbus0: [ITHREAD]
lpt0: Printer on ppbus0
lpt0: Interrupt-driven port
ppi0: Parallel I/O on ppbus0
ppc0: [GIANT-LOCKED]
ppc0: [ITHREAD]
ums0: vendor 0x04d9 product 0x048e, class 0/0, rev 1.10/8.00, addr 2 on uhub1
ums0: 5 buttons and Z dir.
WARNING: ZFS is considered to be an experimental feature in FreeBSD.
Timecounters tick every 1.000 msec
Waiting 5 seconds for SCSI devices to settle
ZFS filesystem version 6
ZFS storage pool version 6
ad0: 58644MB Maxtor 6Y060L0 YAR41VW0 at ata0-master UDMA100
acd0: DVDR TSSTcorpCD/DVDW SH-S182D/SB02 at ata1-master UDMA33
acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00 
(probe5:sym0:0:5:0): phase change 6-7 6...@01a0c7a8 resid=4.
(da0:sym0:0:5:0): phase change 6-7 6...@01a0c7a8 resid=4.
da0 at sym0 bus 0 target 5 lun 0
da0: IOMEGA ZIP 100 J.03 Removable Direct Access SCSI-2 device 
da0: 3.300MB/s transfers
da0: 96MB (196608 512 byte sectors: 64H 32S/T 96C)
cd0 at ata1 bus 0 target 0 lun 0
cd0: TSSTcorp CD/DVDW SH-S182D SB02 Removable CD-ROM SCSI-0 device 
cd0: 33.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present - tray 
closed
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
WARNING: /home was not properly dismounted
/home: mount pending error: blocks 128 files 10
WARNING: /usr was not properly dismounted
WARNING: /var was not properly dismounted
WARNING: TMPFS is considered to be a highly experimental feature in FreeBSD.
fxp0: Microcode loaded, int_delay: 1000 usec  bundle_max: 6
fxp0: Microcode loaded, int_delay: 1000 usec  bundle_max: 6
fxp0: Microcode loaded, int_delay: 1000 usec  bundle_max: 6
fxp0: Microcode loaded, int_delay: 1000 usec  bundle_max: 6

-- 

Michel

Re: UNEXPECTED SOFT UPDATE INCONSISTENCY; RUN fsck MANUALLY

2008-09-27 Thread Michel Talon
Jeremy Chadwick wrote:

 I believe we're in overall agreement with regards to background_fsck
 (should be disabled by default).

In fact background fsck has been introduced for a good reason:
waiting for a full fsck on modern big disks is far too long.
Similarly write cache is enabled on ata disks for the reason that
without it performance sucks too much. My humble opinion is that you
attach far far too much importance to reliability in this game.
There are many reasons why corruption may happen in the files, most
of them being hardware related (bad ram, overheating chipset, etc.)
Hence you can never be assured that your data is perfectly reliable
(except perhaps ZFS permanent checksumming), all you have is some
probability of reliability. I think that for most people what is
important is a good balance between the risk of catastrophic failure
(which is always here, and is increased little by background fsck)
and the performance and ease of use. The FreeBSD developers have
chosen this middle ground, with good reason, in my opinion. People
who are more concerned with the reliability of their data, and
want to pay the price can always disable background fsck, maintain
backups, etc. Personnally i would run away from a system requiring
hours of fsck before being able to run multiuser. Neither Windows,
with NTFS, nor Linux, with ext3, reiserfs, xfs, jfs, etc. require
any form of scandisk or fsck. Demanding that full fsck is the default in
FreeBSD is akin to alienating a large fraction of users who have greener
pasture easily available. Idem for asking to disable write caching on
the disks. So for most people there is a probability to get some day
the UNEXPECTED SOFT UPDATE INCONSISTENCY message. They will run a full
fsck in that occasion, not a terrible thing. In many years of FreeBSD
use, it happened me a small number of times, and i have still to loose
a file, at least that i remarked.

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Problem with dtrace

2008-09-20 Thread Michel Talon
Still testing FreeBSD-7.1-beta encountered the following (perhaps
to be expected) result with dtrace:

dtrace -m kernel  - some output - deadlock after a few seconds.

Less demanding tracing worked OK.

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Re: floppy disk controller broken

2008-09-18 Thread Michel Talon
On Wed, Sep 17, 2008 at 05:13:39PM -0400, John Baldwin wrote:
 On Wednesday 17 September 2008 11:04:33 am Michel Talon wrote:
  Hello,
  
  when testing FreeBSD-7.1-BETA i discovered that the floppy disk
  controller doesn't work correctly. Trying to format a floppy (perhaps
  with bad blocks) i get:
  Processing fdformat: ioctl(FD_FORM): Device not configured
  instead of the normal E letter. I then checked the same problem is
  present on FreeBSD-6.3 and it has been reported by Beech Rintoul (*) in 
  2006! Of course the floppy disk driver is particularly messy, but 
  this is not pretty.
  
  (*) i386/103862: Error with fdformat
 
 It looks like the ioctl to format a track used to never report failures from 
 the controller.  The newer driver does.  What I've done with fdformat is to 
 make it just ignore the errors in userland instead.  Try this:
 
 Index: fdformat.c
 ===
 --- fdformat.c(revision 183112)
 +++ fdformat.c(working copy)
 @@ -75,8 +75,7 @@
   f.fd_formb_secno(i) = il[i+1];
   f.fd_formb_secsize(i) = secsize;
   }
 - if(ioctl(fd, FD_FORM, (caddr_t)f)  0)
 - err(EX_OSERR, ioctl(FD_FORM));
 + (void)ioctl(fd, FD_FORM, (caddr_t)f);
  }
  
  static int
 
 
 -- 
 John Baldwin

This doesn't work any more. This time i get 
niobe# fdformat fd0
Format 1440K floppy `/dev/fd0'? (y/n): y
Processing  done.

where only the first E takes some time to be printed, and all subsequent
ones are printed instantaneously, that is all other formatting is not
tried. In principle the formatting process must try each of the
sectors in turn, and can come up with a series of V and F.

Moreover, trying to write to the floppy:
niobe# dd if=/dev/zero of=/dev/fd0 conv=noerror
dd: /dev/fd0: Input/output error
5+0 records in
4+0 records out
2048 bytes transferred in 4.054404 secs (505 bytes/sec)

I don't expect such result. Traditionnally writing works, while reading
may fail. Here reading fails with incoherent messages:
dd: /dev/fd0: Device not configured
3+0 records in
3+0 records out
1536 bytes transferred in 2.595216 secs (592 bytes/sec)
repeated a large number of times. But nothing in dmesg, contrary to the
tradition which showed the defective sectors.

In conclusion i am under the impression that the in kernel driver is
severely botched. Of course nobody uses floppies any more, but this is
quite ugly.



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Re: floppy disk controller broken

2008-09-18 Thread Michel Talon
On Thu, Sep 18, 2008 at 06:18:45PM +0200, Oliver Fromme wrote:
 Michel Talon wrote:
   John Baldwin wrote:
It looks like the ioctl to format a track used to never report failures 
 from 
the controller.  The newer driver does.  What I've done with fdformat is 
 to 
make it just ignore the errors in userland instead.  Try this:

Index: fdformat.c
===
--- fdformat.c(revision 183112)
+++ fdformat.c(working copy)
@@ -75,8 +75,7 @@
  f.fd_formb_secno(i) = il[i+1];
  f.fd_formb_secsize(i) = secsize;
  }
- if(ioctl(fd, FD_FORM, (caddr_t)f)  0)
- err(EX_OSERR, ioctl(FD_FORM));
+ (void)ioctl(fd, FD_FORM, (caddr_t)f);
 }
 
 static int
   
   This doesn't work any more. This time i get 
   niobe# fdformat fd0
   Format 1440K floppy `/dev/fd0'? (y/n): y
   Processing  done.
   
   where only the first E takes some time to be printed, and all subsequent
   ones are printed instantaneously, that is all other formatting is not
   tried. In principle the formatting process must try each of the
   sectors in turn, and can come up with a series of V and F.
   
   Moreover, trying to write to the floppy:
   niobe# dd if=/dev/zero of=/dev/fd0 conv=noerror
   dd: /dev/fd0: Input/output error
   5+0 records in
   4+0 records out
   2048 bytes transferred in 4.054404 secs (505 bytes/sec)
   
   I don't expect such result. Traditionnally writing works, while reading
   may fail.
 
 Maybe I misunderstand what you're saying, but ...
 When I try to write to a floppy that has *not* been
 successfully formatted, I very much expect to get
 Input/output error.  Anything else would be a bug.
 
 Best regards
Oliver

The floppy has certainly be formatted, in the past. Perhaps i
remember badly, i have not used floppies since years, but
in this case the behavior with Windows, Linux and ancient FreeBSD
was that you could write to the floppy, but could encounter errors
while reading. Using dd conv=noerror allowed to recover the valid part.
Under Windows you could very well use floppies partly damaged with
bad blocks or tracks. Here the driver seems to bail out at the first
error, so that the above commands run much faster than they should,
a few seconds, while something of the order of a minute should be
more realistic. 


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floppy disk controller broken

2008-09-17 Thread Michel Talon
Hello,

when testing FreeBSD-7.1-BETA i discovered that the floppy disk
controller doesn't work correctly. Trying to format a floppy (perhaps
with bad blocks) i get:
Processing fdformat: ioctl(FD_FORM): Device not configured
instead of the normal E letter. I then checked the same problem is
present on FreeBSD-6.3 and it has been reported by Beech Rintoul (*) in 
2006! Of course the floppy disk driver is particularly messy, but 
this is not pretty.

(*) i386/103862: Error with fdformat

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Re: radeon and FreeBSD freeze

2008-09-10 Thread Michel Talon
Boris Samorodov wrote:
 The most convenient way to freeze the OS is to finish gnome session.
 When gdm is reloading the whole mashine freezes at gnome greeter.
 The mouse cursor freezes while being a clock-buzzer. Ctrl-alt-del
 doesn't help, only reset does.
 
  Does disabling DRI in xorg.conf fixes the problem ?
 
 Didn't try, but may do if it may help.

This is a well known problem, with radeon cards on machines with Via
chipsets. The freeze occurs under FreeBSD, Linux and even Windows,
most easily with DRI but sometimes without DRI. The only solution i have
found is to exchange the video card on the machine with a Via chipset to
an nVidia card, and put the Radeon on a machine with an Intel chipset.
Now i have zero problem, including with DRI. The radeon card now drives
a beautiful 1920x1200 screen without any problem, and gives a very good
display quality.



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CLARITY re: challenge: end of life for 6.2 is premature with buggy 6.3

2008-06-08 Thread Michel Talon
Andy Kosela wrote:

... a really beutiful and elaborate post on the subject ...

However, being an ordinary user with few machines running FreeBSD, i
have seen on my limited sample that 2 machines worked better with 6.3
than 6.2 (two old Athlon machines, which work perfectly OK in fact) and
one worked much worse (a P4 which used to be perfectly stable and
suddenly panicked 3 times in a week). So i upgraded this last one to 7.0
and it is now working perfectly well without any trouble. The only
gotcha is the slowness of X problem when compiling, but i live with that.

Moral of the story: the developer base of FreeBSD is not large enough to
maintain a large number of releases. In my humble opinion, having 8.0
7.0 and 6.* is even too much. The developers are working on 8.0, they
still have a very good grasp of 7.0 but 6.* becomes old stuff, more or
less forgotten. It then occurs that things are merged to the 6.* branch
which are perhaps susceptible of destabilising it. Personnally i have
seen the same occurring with 6.0, 5.0 and 4.*, for me the last releases
of the 4.* were very poor on my laptop while the early 4.* releases were
perfectly OK.  

I think it is very unreasonable for end users to ask maintaining, e.g.
6.2 ad vitam eternam. The real stable branch is now 7.* and diverting
effort to polish the 6.* is a waste of time. People wanting a very
stable system should simply use something else, like Debian stable,
official RedHat, etc. whose aim is precisely to offer the maximum
stability, with only security and bug fixes, and for extended periods of
time. The price you pay is obsoleted and unsexy systems, which is
probably OK for the intended use. On the other hand i have no business
running such a system.



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Re: CLARITY re: challenge: end of life for 6.2 is premature with buggy 6.3

2008-06-08 Thread Michel Talon
On Mon, Jun 09, 2008 at 06:55:06AM +1000, Peter Jeremy wrote:
 On 2008-Jun-08 17:49:20 +0200, Michel Talon [EMAIL PROTECTED] wrote:
 and it is now working perfectly well without any trouble. The only
 gotcha is the slowness of X problem when compiling, but i live with that.
 
 Have you tried SCHED_ULE?  In my experience, it does a better job of
 scdeduling than SCHED_4BSD, even on UP machines (YMMV).

Yes, i run with SCHED_ULE, the machine is less interactive than with 6.2
when compiling, but, as i said, i don't care much about that. What i really
don't like is panicking, and with 7.0 my machine is perfectly stable.
On the other hand, many tasks run very fast under 7.0, so, overall i am
very happy with this version.

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Re: System hangs when /var partition full (vnode_pager_putpages errors)

2008-04-04 Thread Michel Talon
Maks Verver wrote:

 I recently encountered an error, where executing the ImageMagick
 convert 
 tool as an unpriviliged user caused the system to hang.
 
 The error is similar to one reported in 2004:


I had exactly the same problem recently under FreeBSD-6.3. I don't know
if the problem was related to /var full since i was under X and the
machine was completely frozen. It responded to ping and nothing else.
The only solution was to press the reset button, and i had to do manual
fsck after that because the machine panicked doing the background fsck.
Very nasty bug (hence i did not investigate it further ...).

 
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Re: recovery FreeBSD

2008-01-14 Thread Michel Talon
mahdieh Saeed wrote:

 I removed  one  directory with rm -r .Is there any way to restore
 information

Se port sysutils/magicrescue


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Re: bsdlabel blues again

2007-03-24 Thread Michel Talon
Volker said:

 As I've done this procedure twice yesterday and once more today,
 I've double and triple checked everything but I'm running into one
 single problem:
 
 partition c extends past end of unit and doesn't start at 0.

I think you should run bsdlabel on the mirror, not on the
raw partitions or disks. Then you will have no more problem 
of the above type, only the innocuous following one:

gms1 is a mirror of ad0s1 and ad4s1:

asmodee% bsdlabel mirror/gms1
# /dev/mirror/gms1:
8 partitions:
#size   offsetfstype   [fsize bsize bps/cpg]
  a:   524272   164.2BSD 2048 16384 32768
  b:  2097152   524288  swap
  c: 327669920unused0 0 # raw part,
  d:   524288  26214404.2BSD 2048 16384 32776
  e:   524288  31457284.2BSD 2048 16384 32776
  f: 29096970  36700164.2BSD 2048 16384 28552
asmodee% bsdlabel ad0s1
# /dev/ad0s1:
8 partitions:
#size   offsetfstype   [fsize bsize bps/cpg]
  a:   524272   164.2BSD 2048 16384 32768
  b:  2097152   524288  swap
  c: 327669920unused0 0 # raw part,
  d:   524288  26214404.2BSD 2048 16384 32776
  e:   524288  31457284.2BSD 2048 16384 32776
  f: 29096970  36700164.2BSD 2048 16384 28552
bsdlabel: partition c doesn't cover the whole unit!
bsdlabel: An incorrect partition c may cause problems for standard
system utilities
asmodee% bsdlabel ad4s1
# /dev/ad4s1:
8 partitions:
#size   offsetfstype   [fsize bsize bps/cpg]
  a:   524272   164.2BSD 2048 16384 32768
  b:  2097152   524288  swap
  c: 327669920unused0 0 # raw part,
  d:   524288  26214404.2BSD 2048 16384 32776
  e:   524288  31457284.2BSD 2048 16384 32776
  f: 29096970  36700164.2BSD 2048 16384 28552
bsdlabel: partition c doesn't cover the whole unit!
bsdlabel: An incorrect partition c may cause problems for standard
system utilities

I think the difference is the last sector of the partition on which
geom writes its configuration.

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Problem with the installer sysinstall.

2006-11-02 Thread Michel Talon

Hello, 


today i have installed FreeBSD-6.2 BETA2 amd-64 on a Core 2 Duo machine with
an ASUS P5LD2-VM mobo. I have encountered the following bug from the
installer: 

it wrote an fstab file with all the disk entries on ad4, while
the disk is on ad8. Hence when i rebooted, after install, root filesystem
could not be found. I had to fiddle at the prompt to get the machine to boot,
and then hand edit /etc/fstab. Obviously this would have been a showstopper 
for a newbie. 

By the way another minor problem is that the audio does not
work. According to the mobo manual, it is a Realtek ALC882 audio chip. None
of the sound modules have recognized the chip. Sound works under Linux.

All in one this has been a wonderful experience, except for sound FreeBSD
amd-64 works perfectly on the machine, i had no problem with the em chip,
and the machine is incredibly fast. 
I have also booted the last FREESBIE cdrom, the integrated Intel video works
no problem with the i810 driver. Even glxgears is not totally ridiculous, it's
around 1000. The 2D performance is perfectly crisp and fine.


I am joining the dmesg for reference.

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Copyright (c) 1992-2006 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 6.2-BETA2 #0: Mon Oct  2 03:47:17 UTC 2006
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/SMP
ACPI APIC Table: A M I  OEMAPIC 
Timecounter i8254 frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 CPU  6700  @ 2.66GHz (2659.96-MHz K8-class CPU)
  Origin = GenuineIntel  Id = 0x6f6  Stepping = 6
  
Features=0xbfebfbffFPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE
  Features2=0xe3bdSSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,b9,CX16,b14,b15
  AMD Features=0x2800SYSCALL,LM
  AMD Features2=0x1LAHF
  Cores per package: 2
real memory  = 2138701824 (2039 MB)
avail memory = 2053550080 (1958 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
ioapic0 Version 2.0 irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: A M I OEMRSDT on motherboard
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi0: Power Button (fixed)
Timecounter ACPI-fast frequency 3579545 Hz quality 1000
acpi_timer0: 24-bit timer at 3.579545MHz port 0x808-0x80b on acpi0
cpu0: ACPI CPU on acpi0
acpi_perf0: ACPI CPU Frequency Control on cpu0
acpi_throttle0: ACPI CPU Throttling on cpu0
cpu1: ACPI CPU on acpi0
acpi_throttle1: ACPI CPU Throttling on cpu1
acpi_throttle1: failed to attach P_CNT
device_attach: acpi_throttle1 attach returned 6
pcib0: ACPI Host-PCI bridge port 0xcf8-0xcff on acpi0
pci0: ACPI PCI bus on pcib0
pci0: display, VGA at device 2.0 (no driver attached)
pci0: multimedia at device 27.0 (no driver attached)
pcib1: ACPI PCI-PCI bridge irq 16 at device 28.0 on pci0
pci3: ACPI PCI bus on pcib1
pcib2: ACPI PCI-PCI bridge irq 17 at device 28.1 on pci0
pci2: ACPI PCI bus on pcib2
em0: Intel(R) PRO/1000 Network Connection Version - 6.1.4 port 0xd800-0xd81f 
mem 0xcffe-0xcfff irq 17 at device 0.0 on pci2
em0: Ethernet address: 00:17:31:55:9d:99
em0: [FAST]
uhci0: UHCI (generic) USB controller port 0x8000-0x801f irq 20 at device 29.0 
on pci0
uhci0: [GIANT-LOCKED]
usb0: UHCI (generic) USB controller on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: UHCI (generic) USB controller port 0x8400-0x841f irq 17 at device 29.1 
on pci0
uhci1: [GIANT-LOCKED]
usb1: UHCI (generic) USB controller on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: UHCI (generic) USB controller port 0x8800-0x881f irq 18 at device 29.2 
on pci0
uhci2: [GIANT-LOCKED]
usb2: UHCI (generic) USB controller on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3: UHCI (generic) USB controller port 0x9000-0x901f irq 19 at device 29.3 
on pci0
uhci3: [GIANT-LOCKED]
usb3: UHCI (generic) USB controller on uhci3
usb3: USB revision 1.0
uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
ehci0: Intel 82801GB/R (ICH7) USB 2.0 controller mem 0xcfdffc00-0xcfdf 
irq 20 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: Intel 82801GB/R (ICH7) USB 2.0 controller on ehci0
usb4: USB revision 2.0
uhub4: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr

Re: Gmirror performanc

2006-10-25 Thread Michel Talon
Oliver Fromme [EMAIL PROTECTED] wrote:

   I tried with -b split -s various sizes, -b round-robin, -b load.
   (dd-ing as done with a bs of 1m; I see the transaction size is 128Kb,
   unless the split method is used, in which case the transaction size
   gies down. When round-robin is used, the transaction size is 128Kb/s,
   but the number of transaction per second goes down.).
   
   I cannot explain why I should not get a higher read speed. Anyone?
 
 dd is a sequential, single-threaded operation, so it will
 only use one disk at a time.  It's not really suitable as
 a benchmark for real-world things.

I see the same problem as Guido, that is gmirror on two disks is not faster
that each disk separately and is even markedly slower. I disagree with your
explanation, which moreover contradicts the definition of split, round-robin,
etc. in the man page of gmirror. Experimentally, observing the disk throughput
via iostat shows that both disks are involved in the IO.
asmodee# dd if=/dev/mirror/gms1a of=/dev/null bs=256k
556+0 records in
556+0 records out
145752064 bytes transferred in 8.785839 secs (16589431 bytes/sec)
(note the low throughput, the disks are individually able to do more than 20
MB/s, this is on an old machine), while iostat shows:
asmodee% iostat -w 1
  tty ad0  ad4 cpu
 tin tout  KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
   0   60 61.38 116  6.95  61.40 117  7.01   0  0  1  0 99
   0   60 64.00 129  8.06  64.00 128  7.99   0  0  2  1 97
   0   60 64.00 128  7.99  64.00 129  8.06   0  0  2  1 97
   0   60 64.00 129  8.06  64.00 129  8.06   0  0  1  1 98
   0   60 63.50 128  7.93  63.50 127  7.87   0  0  5  2 94
that is the transaction is evenly distributed on both disks ad0 and ad4
(which are on 2 separate channels). The problem is that each disk works at
only 8MB/s while it is able of 3 times more.

Looking at the kernel driver /usr/src/sys/geom/mirror/g_mirror.c, it seems
that the load is split on the various disks in the function
g_mirror_request_split() in a way which is simulatneous for all providers.
How is it that after that the request proceeds so slowly, i don't know. But
i doubt very much it will be any different wether you have a real world load 
or a simple dd.


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Re: NFS Locking Issue

2006-07-05 Thread Michel Talon
 So it may be relevant to say that i have kernels without IPV6 support.
 Recall that i have absolutely no problem with the client in FreeBSD-6.1.
 Tomorrow i will test one of the 6.1 machines as a NFS server and the other as
 a client, and will make you know if i see something.

Well, i have checked between 2 FreeBSD-6.1-RELEASE machines on the network,
both have fxp ethernet driver running at 100 Mb/s, one is NFS server other NFS
client. Both run lockd and statd. I have absolutely no problem exchanging
files, for example if i begin to copy /usr/src through NFS from one machine to
the other, which makes a lot of transactions of all sorts, i get:
niobe# mount asmodee:/usr/src /mnt
cp -R /mnt/src .
...
after some time i interrupt the transfer 
niobe% du -sh .
131M.
and during this time i observe the following type of statistics
asmodee% netstat -w 1 -I fxp0
   input (fxp0)   output
   packets  errs  bytespackets  errs  bytes colls
   542 0  84116   1330 01219388 0 
   515 0  72806   1290 01196330 0 
   501 0  95722   1081 0 741048 0 
   539 0  90704   1090 01228052 0 
   645 0  67888902 01451098 0 
   405 0  81264   1609 0 604278 0 
   503 0  74218709 0 924422 0 
   500 0  98904973 0 619350 0 
   550 0 100122855 0 836328 0 
   615 0  79336   1081 0 862772 0 
   577 0  82862901 01005024 0 
   
which looks decent to me.

Doing the same with just one big file no problem either, and i get a transfer
speed of 6.60 MB/s which is perhaps a little less than with linux, but nothing
catastrophic. I get 8.20 MB/s for FreeBSD client interacting with the Linux
server.

Now netstat gives
  packets  errs  bytespackets  errs  bytes colls
   785 0 123266   4716 06825600 0 
   759 0 139898   4530 07747276 0 
   852 0 124652   5106 06902566 0 
   863 0 128040   5170 07081738 0 
   811 0 123760   4862 06851498 0 
   789 0 123540   4720 06834310 0 
   840 0 115378   5024 06382114 0 
   
So up to what i can see NFS works OK for me on FreeBSD-6.1. 

So the main difference with other people cases may be that i have removed IPV6
support from kernel.

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Re: NFS Locking Issue

2006-07-05 Thread Michel Talon
 with the bge driver ... could we be possibly talking internet vs nfs 
 issues?

Pursuing invetigations, i have discovered that for people having 
workstations whose home directories are on a NFS server, and who run 
Gnome or KDE, there is a program which has horrible NFS behavior,
it is gam_server from gamin, which detects alterations on your .kde
for example. On my machine running nfsstat -c -w 1 i see 4000 requests/s
due to that. If i displace it (*) and kill it, this drops to 80 requests/s
and KDE works exactly as well, including discovering new files.
I think it is not necessary to comment on the performance penalty if a number
of stations send 4000r/s to a server, it will soon be killed.
(*) it restarts itself automatically so it is necessary to displace or rename
it before killing.

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Re: NFS Locking Issue

2006-07-04 Thread Michel Talon
 Using Ubuntu as the server I connected a FreeBSD 5.4 and 6-stable box as 
 clients on a 100Mb/s network.  The time trial used a dummy 100Meg file 
 transfered from the server to the client. 
 

I have similar experiences here. With FreeBSD-6.1 as client (using an Intel
etherexpress card at 100 Mb/s) and FC5 server i see full wire speed for file
transfers via NFS.

 After the 4th of July I intend to test Ubuntu as a client to a FreeBSD 
 6-STABLE server on a gigabit lan to run similar time trials.  I'm 
 looking to confirm what I can only suspect at this point, which is that 
 the NFS server on FreeBSD is mucked up, but the client is okay.

I have the same impression. The 6.1-RELEASE client seems to work well. 
Yesterday i have upgraded my 6.0 (*) box to 6.1 and i have not seen a single
NFS problem after that. Moreover i am using rpc.statd, and rpc.lockd
and they work OK and are really functional. 
I have the following sysctl which may have an effect on the problem:
vfs.nfs.access_cache_timeout=5

So it may well be that it is the FreeBSD NFS server code which has problems.

(*) 6.0-RELEASE client definitively does not work OK for me.


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Re: NFS Locking Issue

2006-07-04 Thread Michel Talon
 BTW, I noticed yesterday that that IPv6 support committ to rpc.lockd was 
 never 
 backed out.  An immediate question for people experiencing new rpc.lockd 
 problems with 6.x should be whether or not backing out that change helps.

So it may be relevant to say that i have kernels without IPV6 support.
Recall that i have absolutely no problem with the client in FreeBSD-6.1.
Tomorrow i will test one of the 6.1 machines as a NFS server and the other as
a client, and will make you know if i see something.

As to the problems you mention about NFS Linux, yes i have seen a lot since
years. But to my surprise FC5 seems to work well. By the way it is kernel
2.6.16 so sufficiently recent for the problems to have been ironed out,
presumably.



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Re: NFS Locking Issue

2006-07-03 Thread Michel Talon
 So it would appear that you cured the NFS problems inherent with FBSD-6
 by replacing FBSD with Fedora Linux. Nice to know that NFSd works in Linux.
 But won't help those on the FBSD list fix their FBSD-6 boxen. :/


First NFS is designed to make machines of different OSs interact properly.
If a FreeBSD server interacts properly with a FreeBSD client, but not other
clients, you cannot say that the situation is fine.
Second i am not the one to chose the NFS server, there are people working
in social groups, in the real world.

And third, the most important, the OP message seemed to imply that the
FreeBSD-6 NFS client was at fault, i pointed out that in my experience my
FreeBSD-6.1 client works OK, while the 6.0 doesn't, when  interacting with a
FC5 server. This is in itself a relevant piece of information for the problem
at hand. It may be that the server side is at fault, or some complex
interaction between client and server.

Anyways some people claimed here that they had no problem with FreeBSD-5
clients and servers. My experience is that i had constant problems 
between FreeBSD-5 clients and Fedora Core 3 servers. I cannot provide any
other data point. I am not particularly sure of the quality of the FC3 or
FC5 NFS server implementation, except that the ~ 100 workstations 
running the similar Fedora distribution work like a charm with their homes
NFS mounted on the server. On  the other hand a Debian client machine also has
severe NFS problems. My only conclusion is that these NFS stories are very
tricky. The only moment everything worked fine was when we were running
Solaris on the server.

 
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Re: NFS Locking Issue

2006-06-30 Thread Michel Talon

 the one thing that sticks out to me about this report is that they 
 upgraded teh NFS server to FC5 ... what was the server running before?  if 
 FreeBSD, could the problem be an interaction problem between the NFS 
 server and client, vs just the client side?

Previously the server used  Fedora Core 3. I think like you that it is an 
interaction
between client and server. For example we have a client machine running Debian
Unstable which had NFS problems interacting FC3 server and still has with FC5
server. But i don't have any more with Fbsd-6.1. As to the problem of the
machine freezing when the server freezes i have always seen that, both under
Linux and FreeBSD, nothing new. The freeze seems to me less severe now, that
is i have been able to log in root with the server down. The load on the
server is rather big, we are talking around 100 machines having their home
directories on the server.

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Re: NFS Locking Issue

2006-06-30 Thread Michel Talon
 I only started to see the lockd problems when upgrading the server side
 to FreeBSD 6.x and later. I had various FreeBSD clients, between 4.x
 and 7-current and the lockd problem only showed up when upgrading the
 server from 5.x to 6.x.

As far as i remember FreeBSD-4 did not have a true lockd, only a fake one,
so it was always working no problem. I have used all versions of FreeBSD-5
up to 6.0 and 6.1 on my client with a Linux server, and i can say that 6.1
is the first one which works OK for me. I don't have any experience with
FreeBSD server, except the occasional nfs mounting after a make world.


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Re: NFS Locking Issue

2006-06-30 Thread Michel Talon
 Based on prior reading about this problem, I'd venture to guess that the 
 file locking between FC5 and FreeBSD simply isn't.  See, between just 2 
 machines sharing files without rpc.lockd running you won't see a 
 problem.  Both the client and the server must not only be running 
 rpc.lockd, but they must be able to actually talk to each other.
 

I definitely disagree with that. I have written a little program
just to check locking on files on the NFS share, and i can assure you
it works. Before FC5 the same program did not work, in fact hanged.
You could not kill the program, without unmounting the NFS share.
After the upgrade FC3 - FC5 the lockd works and if i try setting a second lock
on the same file it will fail. I am using this daily with mutt, no problem.
But it is not only lockd which now works, it is more generally NFS.
On a 6.0 machine i regularly get things like:
Jun 22 17:30:10 asmodee kernel: for server ada:/ada1
Jun 22 17:30:10 asmodee kernel: nfs send error 1 for server ada:/ada1
Jun 22 17:30:10 asmodee last message repeated 797 times
Jun 22 17:30:15 asmodee kernel: for server ada:/ada
Jun 22 17:30:15 asmodee kernel: nfs send error 1 for server ada:/ada
Jun 22 17:30:15 asmodee last message repeated 817 times
Jun 22 17:30:20 asmodee kernel: nfs send error 35 for server ada:/ada
and the home directories are inaccessible for a couple of minutes. I have
never seen that once on the 6.1 machine.

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NFS Locking Issue

2006-06-29 Thread Michel Talon
 I guess I'm still just a bit stunned that a bug this obvious not only 
 found it's way into the STABLE branch, but is still there.  Maybe it's 
 not as obvious as I think, or not many folks are using it?  All I know 
 for sure here is that if I had upgraded to 6.1 my network would have 
 been crippled.

Strange, since i upgraded to FreeBSD-6.1 and the NFS server to Fedora Core 5,
my machine, NFS client is happy, and lockd works. It is first time since
years i have no problem. It certainly did not work with FreeBSD-5 and i still
have a machine with FreeBSD-6.0 which does not work properly (frequently loses
the NFS mount, but it gets remounted some times later by amd). Anyways i have
exactly 0 problem with the 6.1 machine. I could extend that to say that
everything works very well on that machine, nothing is slow, including disk
access. This has not always been the case. Stability wise, i have not seen any
panic, hang or whatever since i have compiled a kernel adapted to my hardware.
I got a panic with the generic kernel soon after installation, but now
machine is totally stable.



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Re: FreeBSD Security Survey

2006-05-22 Thread Michel Talon
 ports tree in the process, the end result is a bit more undefined.  One
 thing that I wish for is that the ports tree would branch for releases,
 and that those branches would get security updates.  I know that this
 would involve an exponentially larger amount of effort from the ports
 team, and I don't fault them for not doing it.  Still, it would be nice
 to have.

Yes, totally agree.
That's the way OpenBSD ports tree works and it worked very well for me.
Thus not to say FreeBSD's one didn't, but it takes a lot more attention,
which isn't always a bad thing ;)

OpenBSD doesn't have next to 15000 ports. In my opinion, this richness is
one of the main assets of FreeBSD, and by necessity implies a great difficulty
to maintain everything in a coherent and secure state. You have only to
contemplate the years it took to release Debian Sarge to convince yourself.
Personnally i am quite pleased with the present state of the FreeBSD ports,
i think it is in a much better state than a couple of years before, and
for my own use, security is a very secondary issue. People who have machines
exposed on the internet usually have a small number of ports installed, and
can maintain them in the latest secure version. I have around 600 ports
installed on my 6.1 machine, which will certainly grow in time, and no
intention whatsoever to run portupgrade on that.


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Re: Trouble with NFSd under 6.1-Stable, any ideas?

2006-05-14 Thread Michel Talon
 Are you running rpc.lockd?  I've had very bad luck with it since 
 sometime in the 5.x series... especially with it interoperating with 
 Solaris.  I submitted a PR on it, but it's apparently broken in about X 
 ways.  If possible, I would suggest living without rpc.lockd for now (if 
 you're currently living with it that is)

On the contrary NFS problems interoperating with Linux have been cleared for
me since upgrading Linux to Fedora Core 5 and FreeBSD to 6.1. In particular
rpc.lockd works, everything is OK, performance is fine. I had very bad
problems in the past, when we were running Fedora Core 3.


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Crash with 6.1

2006-05-10 Thread Michel Talon

I have installed FreeBSD-6.1 from cdrom yesterday on my machine
a P4 with hyperthreading. It crashed some hours later when
i was accessing the packages cdrom, specifically doing
cd /cdrom/paTab
This is with the installed kernel, no modification whatsoever.
I don't have the corresponding debugging kernel, so all i have is:
niobe# kgdb /boot/kernel/kernel /var/crash/vmcore.0
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so:
Undefined symbol ps_pglobal_lookup]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type show copying to see the conditions.
There is absolutely no warranty for GDB.  Type show warranty for details.
This GDB was configured as i386-marcel-freebsd.
(no debugging symbols found)...Attempt to extract a component of a value that
is not a structure pointer.
(kgdb) bt
#0  0xc0650272 in doadump ()
#1  0xc06507c9 in boot ()
#2  0xc0650af1 in panic ()
#3  0xc084a2cc in trap_fatal ()
#4  0xc084a00b in trap_pfault ()
#5  0xc0849c45 in trap ()
#6  0xc0836c4a in calltrap ()
#7  0xc061681e in g_io_request ()
#8  0xc0618de9 in g_vfs_strategy ()
#9  0xc0620dc9 in cd9660_strategy ()
#10 0xc085c229 in VOP_STRATEGY_APV ()
#11 0xc069c5b0 in bufstrategy ()
#12 0xc0696e19 in breadn ()
#13 0xc0696d5c in bread ()
#14 0xc061d6d5 in cd9660_blkatoff ()
#15 0xc06208a2 in cd9660_readdir ()
#16 0xc085bf34 in VOP_READDIR_APV ()
#17 0xc06b26a3 in getdirentries ()
#18 0xc084a613 in syscall ()
#19 0xc0836c9f in Xint0x80_syscall ()
#20 0x0033 in ?? ()

I don't suspect a hardware problem since this machine has run FreeBSD-5.3
and 5.4 previously without trouble, there is no overheating, etc.
As for the cdrom, after reboot i have installed the whole KDE plus a lot
of other things from it without problem.



Previous frame inner to this frame (corrupt stack?)
(kgdb) quit

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moused coredumps after suspend-resume

2005-11-05 Thread Michel Talon
Hello,

i have found a little annoyance with FreeBSD-6.0. I have tested
suspend-resume on a Thinkpad T40, it works OK which is nice, but
kills moused which coredumps. Strange, i have an old laptop using
apm instead of acpi where moused survives suspend-resume.

PS. It is an usb mouse, so i have kldload ums, moused -p /dev/ums0
before doing acpicontrol -s 3


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6.0-RC1 and qemu

2005-10-12 Thread Michel Talon
Hello,

i observe a regression running 6.0-RC1 under qemu, compared to 6.0-BETA5.
Now the ethernet card driver doesn't attach, i get
ed0: RealTek 8029 port 0xc100-0xc1FF irq 11 at device 3.0 on pci0
ed0: Reserved 0x100 bytes for rid 0x10 type 4 at 0xc100
device_attach: ed0 attach returned 6

Under BETA5 the network was fully functional.

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Upgrade to FreeBSD 4.3-RC

2001-03-29 Thread Michel Talon

Hello,

I have upgraded today from some 4.2-STABLE to 4.3-RC.
I have encountered the following problems:
- First, trying reboot single user with the new kernel and modules
 (i had some modules loaded by /boot/loader.conf, namely
 vesa ipf splash and a splash bitmap) but old /boot/loader
 had problems. I could not type -s at the OK prompt. Only garbage
 appeared on the screen. I had to boot directly from the bootblocks
 to complete the installation. So the keyboard seems to have been 
 completely messed up. After make installworld there is no more
 problem using the keyboard at the loader prompt.
- Second i had disabled sound in the kernel config file since it is now
 a module. However trying to cat something to /dev/audio or dsp
 or using mixer said device not configured. I have a Vibra16 and have tried
 kldloads of snd_pcm and snd_sbc in each order without any effect.
 I have recompiled a kernel with device sbc and device pcm, now everything
 is OK. From the dmesg it appears that module sbc yielded proper
 recognition of the sound card, but module pcm never attached to sbc.
 In other words the line
 pcm0: SB16 DSP 4.16 (ViBRA16X) on sbc0
 never appeared, but the line 
 sbc0: Creative ViBRA16X at port 0x220-0x22f,0...irq 5 drq 1,3 on isa0
 was here.

At least the first problem may be very embarassing for people.


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Re: ssh problem upgrading to 4.2-stable

2001-01-31 Thread Michel Talon

On Wed, Jan 31, 2001 at 11:41:14AM +, Pete French wrote:
 So, yesterday we upgraded the last machine running 3.5 here to 4.2 stable
 (CVSuped on saturday I believe). All went very smoothly and everything runs
 fine except for ssh. We are using openssh, and it rejects peoples
 passwords with "Permission denied, please try again."
 
 I seem to recall reading that password encryptionc hanged from MD5 to DES
 between 3.x and 4.x - and I suspect this could be the problem. The
 /usr/lib/libcrypt.so file is a link to libdescrypt.so, so I assume
 we are now using DES passwords. Old users have MD5 passwords, but new
 users are created with DES passwords. Using 'passwd' however converts them
 to MD5. I have checked auth.conf, mailing list archives and done a web
 search and am running out of ideas.
 

There is an issue with /etc/pam.conf. You can overwrite it with the one
under /usr/src. This worked for me.

Also there is another pithole (i fell into): sshd dies because there is an
obsolete option in /etc/ssh/sshd_config, that you need to remove.
ConnectionsPerPeriod 5/10


 Am I barking up the wrong tree entirely here ?
 
 -pete.
 
 
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Re: odd mouse button behavior

2001-01-18 Thread Michel Talon

On Thu, Jan 18, 2001 at 02:23:30PM +0100, Jimmy Olgeni wrote:
 
 Latest discovery: the mouse will work fine if you choose "/dev/pms0"
 and "auto" as mouse device and protocol type. But you have to kill
 "moused".
 
 Looks like XFree-4 does not like moused for some reason...
 
 -- 


Sure not true. I have several FreeBSD installs (including laptop with
touchpad) using XFree 4.02 and moused. You need to declare 
/dev/sysmouse for the device, and auto for the protocol.


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Re: My xterm has broken :(

2001-01-16 Thread Michel Talon

On Mon, Jan 15, 2001 at 07:11:24PM +, Catch-all m-box wrote:
 Hi,
 Can anyone help with this one?
 
 I have STABLE from this afternoon, but have also upgraded to XFree86 4
 It seems to be okay, except when I try to get an  xterm, I get nothing!
 
 This is the log message generated:
 /usr/libexec/ld-elf.so.1: Undefined symbol "_XA_UTF8_STRING" referenced from COP
 Y relocation in xterm
I have also seen that on my machine. What i have done: fetched XFree 4.02 from 
www.xfree86.org make World, make install and all was solved.

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Re: Athlon and 4.2 Release

2001-01-16 Thread Michel Talon

On Mon, Jan 15, 2001 at 08:40:23PM -0600, David Kelly wrote:
 Derek Tattersall writes:
  I have a 1 GHz Thunderbird (Athlon) on an ASUS A7V Via KT133 chipset
  with an IBM ultra 100 30 Gig Hard drive.  If I let the HDD be auto
  detected, 4.2 Release terminates at the point it is going to partition 
  the drive.  If I set the HDD for LBA with all the options disabled,
  it reboots in the middle of the boot sequence, after the "press enter
  to boot now prompt".
 
 I boot my 800 MHz A7V from SCSI. And replaced the MB out from under an 
 installed system. 9G on SCSI, 45G Maxtor on the on-board ATA-100.
 
 For this MB to run reliably under load I had to select "BIOS Defaults",
 and maybe also "System Performance Setting" from "Optimal" to "Normal".
 Also disabled "PCI Master Read Caching" and "Delayed Transaction".
 Something in there was causing problems under load. The situation might
 also surface during installation.

Strange because i have here installed FreeBSD 4.2-Stable on an Abit KT7 Raid
which has the same chipset, and runs an Athlon 1.1 Ghz. I have loaded all
optimal settings in the Bios to enhance speed, and all works beautifully,
including UDMA speed for the disk (here a Western Digital).


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Re: Broken kern.flp?

2001-01-16 Thread Michel Talon

On Tue, Jan 16, 2001 at 06:06:09PM +0900, Makoto MATSUSHITA wrote:
 
 I've just got a report that current 4-stable's floppy image, kern.flp
 is broken and it can't boot. Here is a sample session:
 
 ***
 
 BTX loader 1.00  BTX version is 1.01
 Console: internal video/keyboard
 BIOS drive A: is disk0
 BIOS drive C: is disk1
 BIOS 637/kB/48128kB available memory
 
 FreeBSD/i386 bootstrap loader, Revision 0.8
 ([EMAIL PROTECTED], Mon Jan 15 11:41:27 GMT 2001)
 /kernel text=0x24113b data=0x2fdac+0x201ec
 elf_loadexec: cannot seek
 can't load module '/kernel': input/output error
 |
 Hit [Enter] to boot immediately, or any other key for command prompt.
 Booting [kernel]...
 /kernel text=0x24113b data=0x2fdac+0x201ec
 elf_loadexec: cannot seek
 can't load 'kernel'
 can't load 'kernel.old'
 
 I have seen that also trying to install 4.2-Release on my new machine.
 Fortunately the cdrom booted OK.
 I thought it was bad floppy, but apparently not.
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Re: HDD Problem

2000-12-29 Thread Michel Talon

On Wed, Dec 27, 2000 at 03:21:33PM -0800, Kent Stewart wrote:
 
 
 "David W. Chapman Jr." wrote:
  
  I have a KT7 with an athlon 1.1, no problems with ATA66, don't have a 100
  drive though.  Works fine, does make worlds in a little over an hour with
  384mb of pc133, but I do have to downclock the pc133 to 100 because these
  via chips have some problem with agp and pc133 at the moment.
 
 I'm also running the slow end on the bios memory setting. The wz beta
 bios is supposed to deal with some memory timing questions. I have
 downloaded wz but haven't flashed the bios yet. I am running uz, which
 became w? (their www server is overloaded and can't see what they
 called the uz when it was released). Abit is also up to KT7a and 686B.
 
 I have both Maxtor's (30 GB and 40 GB - ATA100's) set to do only UDMA
 33 using Maxtor's udmaupdt.exe program. That didn't help FreeBSD.
 Windows 2000 didn't have any problems at the UDMA66 setting and just
 slowed down a little bit at the UDMA33 setting. I have three other
 systems based on the bx chipset that don't have problems doing UDMA33.
 

I also have an AbitKT7 with a Duron 650 and a Western Digital UDMA66 7200 rpm
drive. I have never seen any ata problem on this machine. Yes it runs pc133
memory with the least conservative settings: "turbo" memory, 2 cycles wait
etc. This machine also runs Win98 and Linux and has no problem with any of
these systems. Make buildworld takes an hour. We have received similar
machines at work but with 1.1 Ghz Athlons. Does not make big difference on 
speed except on very compute intensive things. Apparently most of the time is
spent accessing memory or the disks.
The only problem this machine had, and only under FreeBSD, is that floppy
formatting did not work. Fortunately, since upgrade to 4.2, this is solved.
Also the loader dies doing lsdev, but this is apparently due to the presence
of a dvdrom.

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Re: MFC? src/sys/i386/conf/GENERIC and sound support

2000-12-29 Thread Michel Talon

On Thu, Dec 28, 2000 at 03:17:10PM -0800, [EMAIL PROTECTED] wrote:
 
 
 On 28 Dec, Gerald Pfeifer wrote:
  Having been hit by this today, how about MFCing the following change?
  
revision 1.289
date: 2000/11/14 01:11:13;  author: jkh;  state: Exp;  lines: +4 -1
In the year 2000, I think it's perfectly reasonable to include audio
support by default in GENERIC.
  
 I can't answer for JKH or others but audio has had a history
 of problems, especially durning the boot-up probe stage.
 Problems such that it might lock up the machine under
 certain conditions. Perhaps this is the reason sound may
 never make it into GENERIC.

And sound has still problems. Example, on my laptop sound has always worked
since 3.* But having upgraded to 4.2-RELEASE i get the following:

pcm0: Neomagic 256AV (non-ac97) at port
0x220-0x22f,0x530-0x537,0x388-0x38f,0x320-0x321 irq 5 drq 0,1 on isa0

pcm0: play interrupt timeout, channel dead

Apparently sound died after suspend and resume, which was not the case
previously.


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Re: Parallel ZIP patch for better mode detection

2000-12-18 Thread Michel Talon

On Mon, Dec 18, 2000 at 08:51:32AM +0100, Nicolas Souchu wrote:
 On Fri, Dec 15, 2000 at 07:45:23PM +0100, flag wrote:
  On Thu, 14 Dec 2000, Nicolas Souchu wrote:
  
   Hi,
   
   Here is a patch against -stable /sys/dev/ppbus for better ZIP/ZIP+
   mode detection. I've tested ZIP, but don't have any ZIP+ :(
   
   Could some of you approve vpo and imm drivers for me?
  
  Can I gain any speed-boost installing this patch?
  
  The big problem with the parallel zip is that, while you are transferring
  data from/to the zip, the copy process get the 100% of the cpu and the
  system stay unusable until the end of the zip operation...very sad...=(
 
 That's normal. The ZIP is designed so that it can run only in polling mode :(
 
 You should get better speed and reactivness of your machine if you use
 EPP mode (which is polled also but faster).
 
 Nicholas

Yes, but i have two machines on which running the parallel port in EPP mode
and using vpo works but is incredibly slow. Moreover the machine is
essentially unusable during the transfers with the zip. One of these machines
duals boot Linux, and here the zip works very well, almost at the same speed
that a scsi zip that i have on a third machine. During the transfers the
machine keeps its responsiveness. So i conclude that the driver has its 
responsibility in this affair :)

To be precise the port is probed as EPP1.9 in both cases. I have looked at
the vpio.c file and it seems that EPP1.9 is not used in the best possible way.
On the other hand i have also looked at the Linux driver, and have not seen 
big difference in the way the transfer is done. So i have not been able to
improve anything. I take advantage of the presence of the developer in the
mailing list to attract its attention to this question. To me, the behaviour
of the Zip on FreeBSD is by far the worst bad point of FreeBSD with respect to
Linux. I have seen many messages from people with laptops in which only ECP
mode is available, and for them the // port Zip does not work at all. But
in many cases // port Zip is the only practical way to transfer files from
home machines to office machines and so on. It should not be neglected.

Best regards

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Re: /dev and //port

2000-12-11 Thread Michel Talon

On Mon, Dec 11, 2000 at 04:24:20AM -0500, [EMAIL PROTECTED] wrote:
 Hi, All:
 
 After completely installing 4.2-stable-20001208, I re-built a custom
 kernel in order to use parallel port zip drive; however, it just hang
 when I try to use /dev as instructed in

There is no need to rebuild anything to use // port Zip drive. Just
kldload vpo
(assuming you have plugged the zip and powered it--check with dmesg that
it has been probed)
After that you mount it. For example if it is dos formatted in slice 4 
(the standard way)
mount -t msdos /dev/da0s4 /mnt

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Re: wierd printout from dmesg

2000-11-08 Thread Michel TALON

If y understand, there is a window where you have new userland and old kernel.
I have experienced big problems (even panics) with these mixings in the
transition 4.1 - 4.2 It seeems that things have changed so much that
userland utilities can even panic mismatched kernels. 
Reboot single user, with the new kernel, mount -a, and make
installworld and reboot. Then all problems where fixed in the two
upgrades i have done, moreover some bugs i had with 4.1 are fixed now.


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4.2 panicing

2000-11-07 Thread Michel Talon

Mike

Thanks for your answer. It was indeed mountd which paniced the machine.
I have taken the risk of doing make installworld and all seems to go fine,
including sound (SB16). The machine even seems to go faster (an illusion?)


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Re: Linux emulation

2000-11-04 Thread Michel Talon

On Sat, Nov 04, 2000 at 01:22:59AM -0800, David O'Brien wrote:
 On Fri, Nov 03, 2000 at 03:39:57PM +0100, Michel Talon wrote:
  I have encountered today some fairly critical bugs in the Linux emulation.
  This is on a 4.1-RELEASE box, i mention these problems in case they have not
  been seen or corrected before 4.2-RELEASE
 
 If at all possible, it would be great if you could test 4.2-BETA from
 this point forward (but before release time).  We done a lot of
 reorganization of the linux compatibility bits.  On my test box
 StarOffice 5.2 runs fine.
 
I will try to check that, but i am leaving to Japan next Friday, and it's a
home machine, so i have to burn a cdrom, and do that before leaving!
Thanks for your attention

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Re: Busted -STABLE

2000-10-27 Thread Michel Talon

There is a recent fix to the brooktree driver.

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Re: Busted -STABLE

2000-10-27 Thread Michel Talon

On Fri, Oct 27, 2000 at 01:18:37PM +0100, Bap wrote:
 Where?
 
  There is a recent fix to the brooktree driver.
  
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I have seen that on the freebsd-stable list this morning, i think.

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Re: Really odd BTX halted problem booting FreeBSD on VALinux hardware

2000-10-27 Thread Michel Talon

On Fri, Oct 27, 2000 at 09:44:28AM -0500, Thomas T. Veldhouse wrote:
 I am also seeing BTX failures, but only from manual commands. The lsdev
 command will cause BTX to fail (and halt) when it scans my CDROM/DVD.  I am
 using 4.1.1-RELEASE.  I have a ABIT KA7-100 board (which uses the VIA686A
 chipset for IDE access).
 
I recognize my exact problem. I have a Abit KT7 with a dvdrom, and lsdev
crashes the loader. I had not related this to the DVD however. In any case
FreeBSD is loded perfectly fine from the DVD as well as the hard disk.
Only lsdev crashes the loader.

By the way, i always have this annoying problem that the same machine is
unable to format floppies under freebsd, while it formats them fine under
Linux and Windows. I have been told that other have the same problem on
various machines, while one guy with the same mobo said me he does not have
it. Also i have seen comments in the CVS tree at ata.c about the ata driver
stealing an ioport of the floppy drive. Does somebody know the present status
of the question, and if it is valuable to upgrade (i run 4.1, it is at home
so upgrades are painful)?

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Re: Via KT133 chipset and DMA diskaccess

2000-10-17 Thread Michel Talon

On Tue, Oct 17, 2000 at 01:25:03PM +, Marc Albers wrote:
 
 I'm have not been able to get DMA disk access to work ( DMA33 or
 DMA66 ) on my new Abit KT7. I have heard of several people having it
 working perfectly on their KA133 based motherboards. 
 
 Therefore I am curious: Is there anyone who has this working on an 
 VIA KT133 based motherboard? If so, can this person assist me in taming my
 beast?
 
It worked for me since the installation without me doing any thing
(except enable UDMA in the BIOS). 
Of course on the same board Abit KT7, disk is a Wester Digital 20 Gigs
7200 rpm.

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Re: Space

2000-09-29 Thread Michel Talon

On Thu, Sep 28, 2000 at 03:11:19PM -0700, Tom wrote:
 On Thu, 28 Sep 2000, Jared Chenkin wrote:
 
  I'm having some space problems on my FreeBSD 3.3-STABLE box.
  The problem is that the previous administrator did not give
  me alot of space on the root partition, and now its at 95%
  and pwd_mkdb(8) and its frontends complain about lack of space (duh!)
  I've looked through the stuff on the fliesystem, and I was wondering
  if there is anything that I can safely move to another filesystem for
  the time being. I was considering moving /kernel.GENERIC being that
  I have a customized kernel which works quite well :)
  
  Live Large,
  
  Jared Chenkin
  [EMAIL PROTECTED]
  (AIM: DevNull24)
  Networked Systems Administrator
  Bronx Science Computing
 
 
   /tmp and /var are good canadates for their own filesystems, if they
 aren't that way already.
 
I recently had a space problem even with /var (while i have a 100 Megs /var).
This was trying to install klyx with pkg_add. The dependency stuff tried to
install TeTex as a dependency (note that i already have TeTex, but an older
version) and this immediately filled up /var/tmp. This points once more that
partionning / is a bad decision for a lot of people. I have never encountered
any problem with a big flat /. On the machine with its own /tmp /var etc.
i am continuously bothered with file system fulls. Moreover i am beginning
sick with the ports dependencies which are changing each weak so that you need
to have 10 copies of tcl tk and so on, or reinstall everything. The TeTex
example is particularly ridiculous.

 Tom
 Uniserve
 
 
 
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Re: pb with 4.1-STABLE and Compaq Deskpro 4000 floppy

2000-09-22 Thread Michel Talon

On Fri, Sep 22, 2000 at 02:50:32PM +0200, Claude Buisson wrote:
 Hi all,
 
 I just installed 4.1-STABLE (cvsupped September 15) on a Compaq
 Deskpro 4000 (5200MMX), and I cannot use the floppy.
 
 1) loading of kernel/mfsroot floppies is OK for install
 
 2) after installation, the floppy cannot be accessed: no io succeed.
 
 3) a fixit floppy cannot be mounted after loading kernel/mfsroot
 floppies and selecting "fixit".
 
 But, 3) may be done using 3.5-STABLE kernel/mfsroot floppies.
 
 Compag diag/setup says the fdc uses ports 3f0-3f5
 
 4.1-STABLE says the fdc uses ports 3f0-3f5,3f7
 
 3.5-STABLE says the fdc uses ports 3f0-3f7
 
 Hoping for help,
 
 Claude Buisson
 FRAMATOME
 
I also have a floppy problem with 4.1 Release on my box.
Here i can read write on formatted floppies, but fdformat does not work.
The floppy drive is good since it works OK under Win and Linux.
I have looked at the code for the floppy controller but it's spaghetti code.
In particular some delays are implemented through for loops, perhaps the
machine is too fast for the drive. Don't know. I have already posted that
but have received no feedback.
 
 
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Re: Which release of 4.1 supports i810 with XFree86 4.0.1?

2000-09-07 Thread Michel Talon

On Wed, Sep 06, 2000 at 11:33:05PM -0700, Doug White wrote:
 On Wed, 6 Sep 2000, Alan Bindemann wrote:
 
  From: Doug White [EMAIL PROTECTED]
  Don't expect to get lots of help for this; XFree86 4 is very, very beta
  and has lots of nasty bugs. [snip]
  
  I suggest using 3.3.6 for production use.
  
  I was under the impression that the i810 chipset was not supported under 
  3.3.6.  Am I mistaken?  If so, do I need to rebuild 3.3.6 with some patches 
  for i810 support?
 
 I stay away from such broken hardware.
 
 As X 4 is beta, don't expect any help from this list for it. 
 

Perhaps X 4 is beta, but X 3 does not work or work poorly on some video cards
which are amongst the best on the market (GeForce). So a shift to 4.01 will
soon to be considered. Do you think people will only buy Matrox G 400 because
it is very well supported by X 3?

To speak for my case, i have received mail that GeForce works with X 3 but my
own works very poorly, if at all. I am obliged to go to 4.01 and install
nVidia drivers under Linux. Corresponding drivers for freebsd are said to be
in preparation.

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floppy drive

2000-09-07 Thread Michel Talon

Hello,

I have just discovered a strange problem on my new PC. The mother board is an
Abit KT7 hosting a Duron with Via chipset. I can triple boot FreeBSD
4.1-RELEASE (stock GENERIC kernel) Linux and Win98.

Problem: under freebsd i cannot run fdformat fd0.
Immediately bad crc errors appear, only some sectors come out with V.
Of course i have tried with several floppies and two floppy drives, one of
them working very well in another machine.

Much stranger: with the same floppy and floppy drive and machine, formatting
works perfectly OK with Linux and Win98.

To add to the bizarre, once i have a good fdformatted floppy (under linux) i
can perfectly read and write to it under freebsd.
dd if=/dev/fd0 of= /tmp/flopworks and is quite fast.
dd if=/tmp/flop of=/dev/fd0   also works.
Floppy drives are Sony, and it is the first time i see that on a freebsd
machine.


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Re: My System Hangs/Deadlock?

2000-08-21 Thread Michel Talon

On Sun, Aug 20, 2000 at 11:03:32PM -0700, Billy wrote:
 I am currently experiencing problems with my FreeBSD system.  I just
 recently go in my dual celeron/abit box in and have just started to
 use it.  I am experiencing a strange problem I've never seen before.
 
 Whenever I do some intensive work, my computer will lock up.  I still

These cards support easy overclocking, no? Perhaps you could check cooling,
notably the fans on the processors or even general cooling of the box. I have
seen several times machines locking up just like yours, without any message.
Each time it was a broken fan.

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Re: shorter boot time?

2000-05-17 Thread Michel Talon

On Tue, May 16, 2000 at 04:29:00PM -0400, Vivek Khera wrote:
  "MM" == Mike Muir [EMAIL PROTECTED] writes:
 
 MM The small pause for me was for ATA devices. I no longer need them (no
 MM ide/atapi devices in system) and the boot just flies right past that point.
 MM The boot time on 4.0 is _significantly_ faster for me.
 
 I run 3.4-STABLE and had a long pause detecting the second drive on my
 second IDE controller.  Since that device doesn't exist, I removed it
 from my kernel and now it doesn't pause looking for it.

I have a machine with SCSI disk, but IDE Cdrom, so i cannot remove
the ata driver. Well, it pauses for a very long time probing IDE disks.
I have not found any way to reduce this delay. Under 3.4, there was no such
problem.

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Re: ARP Problem? Need confirmation...

1999-07-05 Thread Michel TALON

In reply to the message from Jasper O'Malley
 On Sat, 3 Jul 1999, Adrian Wontroba wrote:
 
  # arp -s 192.168.1.13 auto pub
  using interface ep0 for proxy with address 0:10:5a:ae:33:86
  arp: writing to routing socket: File exists
  
  This is on a RELENG_3 box with a make world run on June 30th.
 
 This is the second independent confirmation I've gotten for this bug. I've
 tried to locate the offending code in the source tree, but it's beyond my
 limited programming abilities, I'm afraid. Anyone have any ideas?

Here on my machine running 3.2-STABLE i get the following result:

su-2.02# arp -s 134.157.10.68 auto pub
using interface xl0 for proxy with address 0:10:5a:3b:ae:3

note however that the ethernet adress here obtained is incorrect
since this is my own mac adress and not that of the printer
134.157.10.68  But after all i used auto!
After a couple of arp -d the situation is restored to normal.

arp -a
ariane.lpthe.jussieu.fr (134.157.10.68) at 0:60:b0:bf:49:96

It seems that there is no bug here.




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