Re: ATA 100

2001-04-19 Thread Nicholas Petreley
Duh, mea stupida. I misread your message. You're trying to get the Promise IDE working at 100, no? My Asus A7V133 has the 686b which does ATA100 without having to rely on the Promise chipset, and that seems to work fine. But if it helps to know, I've got an A7V with the 686a and I use the

Re: Rage Mobility P/M

2001-04-19 Thread Craig Schlenter
On Wed, Apr 18, 2001 at 02:34:05PM -0400, Ben Pfaff wrote: Jani Monoses [EMAIL PROTECTED] writes: does the atyfb or aty128fb support this chip? Device id of 4c4d. Using 2.4.3-ac7. I have a Rage Mobility with the same device ID on my laptop (Compaq Armada M700) but haven't been

Re: ATA 100 VIA and linux-2.4.3ac8

2001-04-19 Thread Vojtech Pavlik
On Wed, Apr 18, 2001 at 10:21:53PM -0400, Manuel Ignacio Monge Garcia wrote: El Mi 18 Abr 2001 15:16, escribiste: I don't know about other possible problems with the kernel, but you must use an 80 wire IDE cable for UDMA66/100 to work. ---Primary IDE---Secondary

Re: Linux 2.4.3-ac7

2001-04-19 Thread Ookhoi
I was wondering whether the swsusp work might form a useful basis for the eventual ACPI implementation of the to-disk hibernation stuff: I (and others) have looked at it. It's a pretty cool patch, but it really isn't the right way to do things. swsusp is most definitely the

Re: light weight user level semaphores

2001-04-19 Thread Alon Ziv
Hmm... I already started (long ago, and abandoned since due to lack of time :-( ) down another path; I'd like to resurrect it... My lightweight-semaphores were actually even simpler in userspace: * the userspace struct was just a signed count and a file handle. * Uncontended case is exactly like

Re: I can eject a mounted CD

2001-04-19 Thread Giuliano Pochini
Right, so I'll check what eject(1) does. It might eject the disk even if it failed to unmount. It shouldn't be able to. But check and see what happens. (1) There are many different programs all called eject(1). I find at least four of them on this machine. (2) I missed the start of

Re: How to tune TCP for heavily loaded sendmail box

2001-04-19 Thread Matti Aarnio
On Thu, Apr 19, 2001 at 07:49:45AM +0800, Andrew Chan wrote: Greetings, I am running a relaying sendmail box and I would like it to be able to handle up to 600 or so concurrent (incoming or outgoing) connections. I tried that and discovered that TONS of incoming connections are stuck at

Re: An improved natsemi driver for 2.2

2001-04-19 Thread Steve Hill
On Wed, 18 Apr 2001, TroyBenjegerdes wrote: Well, on kernel 2.2.19 on a 'regular' PC box (celeron 533), it works better than the 1.07b version from scyld.com, but it still gets tripped up pretty bad by nfs traffic. (Have you tried NFS on your board at all?). It Not tried NFS yet...

Re: Is there a way to turn file caching off ?

2001-04-19 Thread Helge Hafting
Jeremy Jackson wrote: currently all the kernel's heuristics are feed-back control loops. what you are asking for is a feed-forward system: a way for the application to tell kernel "I'm only reading this once, so after I'm done, throw it out straight away" and "I'm only writing this data, so

PCI power management

2001-04-19 Thread Jeff Garzik
This was originally a private reply to Patrick Mochel, but the e-mail kept getting longer and longer :) The current state of PCI PM is this: pci_enable_device (1) enables IO and mem decoding, (2) assigns/routes the PCI IRQ, and (3) brings the device to D0 using pci_set_power_state. Linus

Dynamic TCP reserved ports allocated in which range?

2001-04-19 Thread Dr. Michael Weller
Hi List(s) For a firewall setup I need to know in which range applications like rsh, or better yet the rresvport() libc function allocate reserved ports. Do I have to expect ports in the whole 1..1024 range (maybe omitting those already in use by other servers) or is only a limited range used

Re: light weight user level semaphores

2001-04-19 Thread Abramo Bagnara
Alon Ziv wrote: Hmm... I already started (long ago, and abandoned since due to lack of time :-( ) down another path; I'd like to resurrect it... My lightweight-semaphores were actually even simpler in userspace: * the userspace struct was just a signed count and a file handle. *

Re: light weight user level semaphores

2001-04-19 Thread Ingo Oeser
On Thu, Apr 19, 2001 at 10:20:48AM +0200, Alon Ziv wrote: My lightweight-semaphores were actually even simpler in userspace: * the userspace struct was just a signed count and a file handle. * Uncontended case is exactly like Linus' version (i.e., down() is decl + js, up() is incl()). * The

Re: light weight user level semaphores

2001-04-19 Thread Alexander Viro
On Thu, 19 Apr 2001, Abramo Bagnara wrote: Alon Ziv wrote: Hmm... I already started (long ago, and abandoned since due to lack of time :-( ) down another path; I'd like to resurrect it... My lightweight-semaphores were actually even simpler in userspace: * the userspace struct

question about the system limits

2001-04-19 Thread Xiong Zhao
hello,all.now i'm completely confused with the meaning of some system limits on kernel 2.4.3.there are three main limits that i concern:NR_OPEN,NR_FILE,and OPEN_MAX.i didn't find NR_INODE anywhere.is that due to the change of the allocation mechanism of inodes?in limits.h of the source file of

Re: PCI power management

2001-04-19 Thread Benjamin Herrenschmidt
Hi ! Glad to see things moving around Power Management ;) This was originally a private reply to Patrick Mochel, but the e-mail kept getting longer and longer :) Note: we have setup a list for PM issues http://lists.sourceforge.net/lists/listinfo/linux-pm-devel Not very much used yet, but I,

Re: PCI power management

2001-04-19 Thread Benjamin Herrenschmidt
Hi ! Glad to see things moving around Power Management ;) This was originally a private reply to Patrick Mochel, but the e-mail kept getting longer and longer :) Note: we have setup a list for PM issues http://lists.sourceforge.net/lists/listinfo/linux-pm-devel Not very much used yet, but I,

Re: Linux 2.4.3-ac7

2001-04-19 Thread Martin Hamilton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Content-Type: text/plain; charset=us-ascii "Grover, Andrew" writes: | I don't think I understand that first sentence. (Let me respond anyways ;-) Doh! Sorry, what I meant was that (if I'm understanding this right!) the AML interpreter being

Re: Linux 2.4.3-ac7

2001-04-19 Thread Martin Hamilton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Content-Type: text/plain; charset=us-ascii (cc'd to the acpi list, where people have also been talking about this recently...) Ookhoi writes: | I tried swsusp on my vaio (also a c1ve :-) and it didn't work because it | (said it) couldn't stop

Re: PCI power management

2001-04-19 Thread CaT
On Thu, Apr 19, 2001 at 11:19:31AM +0100, Benjamin Herrenschmidt wrote: Hi ! Glad to see things moving around Power Management ;) This was originally a private reply to Patrick Mochel, but the e-mail kept getting longer and longer :) Note: we have setup a list for PM issues

block devices don't work without plugging in 2.4.3

2001-04-19 Thread Peter T. Breuer
Sorry to repeat .. I didn't see this go out on the list and I haven't had any reply. So let's ask again. Is this a new coding error in ll_rw_blk? - The following has been lost from __make_request() in ll_rw_blk.c since 2.4.2 (incl): out: - if (!q-plugged) -

Re: light weight user level semaphores

2001-04-19 Thread Abramo Bagnara
Alexander Viro wrote: I suspect that simple pipe with would be sufficient to handle contention case - nothing fancy needed (read when you need to block, write upon up() when you have contenders) Would something along the lines of (inline as needed, etc.) down: lock decl count

Re: [linux-power]Re: Linux 2.4.3-ac7

2001-04-19 Thread Akos Maroy
Martin Hamilton wrote: FWIW, I didn't have any luck with the 2.4.3 swsusp-v8pre3 patch - my C1VE suspended to disk, but on re-reading the memory image from swap space the machine reset and we were back to the LILO prompt fsck. I can confirm Martin's experience, I got the same results. Akos

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Jens Axboe
On Thu, Apr 19 2001, Peter T. Breuer wrote: Sorry to repeat .. I didn't see this go out on the list and I haven't had any reply. So let's ask again. Is this a new coding error in ll_rw_blk? - The following has been lost from __make_request() in ll_rw_blk.c since 2.4.2

Re: Fix for Donald Becker's DP83815 network driver (v1.07)

2001-04-19 Thread Roberto Nibali
Hello, True, I plead guilty to the "replying at 3:30am" sin. :-) I meant to reply to Roberto's mail, and accidentally replied to yours.. That's what I thought ... Anyway, Roberto, if you could give the starfire driver in 2.2.19 a try, I'd appreciate it. You mentioned looking at the code,

Re: Ext2 Directory Index - Delete Performance

2001-04-19 Thread Daniel Phillips
Rik van Riel wrote: On Thu, 19 Apr 2001, Daniel Phillips wrote: Jan Harkes wrote: On Thu, Apr 19, 2001 at 02:27:48AM +0200, Daniel Phillips wrote: more memory. If you have enough memory, the inode cache won't thrash, and even when it does, it does so gracefully - performance falls

Re: icmp and port

2001-04-19 Thread gis88530
Thanks for your answer, and I still have some questions. (private)(masquerade)(public) If I ping public host from private host using this command: ping 140.113.1.1 What trigger ICMP message? The "ping" binary program? AND How masquerade gateway know the original packet port information?

Re: Ext2 Directory Index - Delete Performance

2001-04-19 Thread Daniel Phillips
Rik van Riel wrote: On Thu, 19 Apr 2001, Daniel Phillips wrote: OK, now I know what's happening, the next question is, what should be dones about it. If anything. [ discovered by alexey on #kernelnewbies ] One thing we should do is make sure the buffer cache code sets the

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Peter T. Breuer
OK .. thanks Jens. Sorry about the repeat .. my nameserver lost its fix on the root servers thanks to some hurried upgrades, and sendmail started quietly bouncing mail for "not having" a dns entry, and you know about deja. Probably the list dropped me for the bounces. Those are my excuses.

Re: Kernel Real Time Clock (RTC) Support for I2C Devices

2001-04-19 Thread johan . adolfsson
Support for DS1302 is available in the CRIS port. A patch for 2.4.3 (and a lot of other stuff you don't need) is available in http://developer.axis.com/download/devboard_lx/R1_0_0/ /Johan - Original Message - From: Grant Erickson [EMAIL PROTECTED] To: Linux I2C Mailing List [EMAIL

SCSI tape test results

2001-04-19 Thread Olaf Titz
I tested my systems to try to reproduce the recently reported SCSI tape corruptions. I did not find any errors, the tape works OK. Linux version 2.4.3 (olaf@bigred) (gcc version 2.95.2 2220 (Debian GNU/Linux)) #1 Sat Mar 31 11:51:54 CEST 2001 K6-III-400, 96MB NCR53C815 SCSI controller HP

Children first in fork

2001-04-19 Thread Éric Brunet
Hello all, I have read on lwn.net that the patch that makes children run first after a fork has been integrated in the latest pre-kernel. I am a little bit concerned by that, as I have begun to write a program that monitors process using ptrace. The difficulty is to ptrace-attach the child in a

routing question: Kernel being too helpful

2001-04-19 Thread Dave Gilbert
Hi, I'm trying to set up a PC with two (gig)ether cards as a test system in which a router/firewall/what have you/ could be inserted between the two ether cards. Then I want to send various lumps of test traffic between the two. Unfortunatly Linux is being a little too helpful - whatever the

Re: Problems with Toshiba SD-W2002 DVD-RAM drive (IDE)

2001-04-19 Thread Stefan Jaschke
Hi Jens, I applied your patch to 2.4.4-pre4. It compiled fine, but crashed during boot (just right after the IDE init) with --- Uniform CD-ROM driver Revision: 3.12 Unable to handle kernel NULL pointer dereference at virtual address printing eip: ... Oops: ...

Re: PNP BIOS and parport_pc - dma found but not used

2001-04-19 Thread Alan Cox
I've compiled 2.4.3-ac9 with support for PNP BIOS. I understand that this is a new feature experimental and the feedback is requested. Thanks The setting is BIOS is to use irq 7 and dma 3. I normally use "options parport_pc io=0x378 irq=7 dma=3" in /etc/modules.conf, but this time I

Re: Ext2 Directory Index - Delete Performance

2001-04-19 Thread Daniel Phillips
On Wed, 18 Apr 2001, Rik van Riel wrote: One thing we should do is make sure the buffer cache code sets the referenced bit on pages, so we don't recycle buffer cache pages early. This should leave more space for the buffercache and lead to us reclaiming the (now unused) space in the

Re: Problems with Toshiba SD-W2002 DVD-RAM drive (IDE)

2001-04-19 Thread Jens Axboe
On Thu, Apr 19 2001, Stefan Jaschke wrote: Hi Jens, I applied your patch to 2.4.4-pre4. It compiled fine, but crashed during boot (just right after the IDE init) with --- Uniform CD-ROM driver Revision: 3.12 Unable to handle kernel NULL pointer dereference at virtual

Re: light weight user level semaphores

2001-04-19 Thread Alan Cox
My lightweight-semaphores were actually even simpler in userspace: * the userspace struct was just a signed count and a file handle. * Uncontended case is exactly like Linus' version (i.e., down() is decl + js, up() is incl()). * The contention syscall was (in my implementation) an ioctl on

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Jens Axboe
On Thu, Apr 19 2001, Peter T. Breuer wrote: Besides, the above hunk was removed because it is wrong. For devices using plugging, we would re-call the request_fn while the device was already active and serving requests. Not only is this a performance hit Not sure about that ... It _is_

ext2 inode size (on-disk)

2001-04-19 Thread Alexander Viro
Erm... Folks, can -s_inode_size be not a power of 2? Both libext2fs and kernel break in that case. Example: dd if=/dev/zero of=foo bs=1024 count=20480 mkfs -I 192 foo corrupts memory and segfaults. Reason: ext2_read_inode() (same problem is present in the kernel version of said beast)

Kernel panics on raw I/O stress test

2001-04-19 Thread Takanori Kawano
When I ran raw I/O SCSI read/write test with 2.4.1 kernel on our IA64 8way SMP box, kernel paniced and following message was displayed. Aiee, killing interrupt handler! No stack trace and register dump are displayed. Then I analyze FSB traces around the panic, and found that following

RE: Children first in fork

2001-04-19 Thread David Schwartz
Hello all, I have read on lwn.net that the patch that makes children run first after a fork has been integrated in the latest pre-kernel. I am a little bit concerned by that, as I have begun to write a program that monitors process using ptrace. The difficulty is to ptrace-attach the

Re: Let init know user wants to shutdown

2001-04-19 Thread David Woodhouse
[EMAIL PROTECTED] said: IMHO an abstracted interface at this point is overengineering. Maybe later it will make sense, though. Absolutely not. It makes sense now. The abstracted interface is not required just to combine the interface to APM and ACPI. What John said was "ACPI != PM". Note

Re: Problems with Toshiba SD-W2002 DVD-RAM drive (IDE)

2001-04-19 Thread Stefan Jaschke
I applied your patch to 2.4.4-pre4. It compiled fine, but crashed during boot (just right after the IDE init) with This should fix it. It boots now. But I still cannot read a DVD-RAM disk (same behavior as before): # strace dd of=/dev/null if=/dev/hdc bs=2k count=3 open("/dev/hdc",

Re: PCI power management

2001-04-19 Thread Benjamin Herrenschmidt
On Thu, Apr 19, 2001 at 11:19:31AM +0100, Benjamin Herrenschmidt wrote: Hi ! Glad to see things moving around Power Management ;) This was originally a private reply to Patrick Mochel, but the e-mail kept getting longer and longer :) Note: we have setup a list for PM issues

Re: APIC errors ...

2001-04-19 Thread Steffen Persvold
Chris Wedgwood wrote: On Wed, Apr 18, 2001 at 09:27:12PM -0500, Rico Tudor wrote: Another problem area is ECC monitoring. I'm still waiting for info from ServerWorks, and so is Dan Hollis. Alexander Stohr has even submitted code to Jim Foster for approval, without evident

Re: Problems with Toshiba SD-W2002 DVD-RAM drive (IDE)

2001-04-19 Thread Jens Axboe
On Thu, Apr 19 2001, Stefan Jaschke wrote: I applied your patch to 2.4.4-pre4. It compiled fine, but crashed during boot (just right after the IDE init) with This should fix it. It boots now. But I still cannot read a DVD-RAM disk (same behavior as before): This is really strange,

[WAAAY OT]Re: ANNOUNCE New Open Source X server

2001-04-19 Thread Mark Salisbury
On Wed, 18 Apr 2001, Scott Prader wrote: the 'latest RAD toolkits' now THERE'S something decent worth quoting, I hope you won't mind me doing so. :) So, going back to the above, and again, let me know if i'm wrong here, you're saying that in order to support a decent X server project, there

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Peter T. Breuer
"A month of sundays ago Jens Axboe wrote:" On Thu, Apr 19 2001, Peter T. Breuer wrote: So the consensus is that I should enable plugging while the plugging function is still here and do nothing when it goes? I must say I don't think it should really "go", since that means I have to add a

Re: Problems with Toshiba SD-W2002 DVD-RAM drive (IDE)

2001-04-19 Thread Stefan Jaschke
On Thursday 19 April 2001 14:15, Jens Axboe wrote: This is really strange, are you sure your drive is ok? Does mounting dvd-rom and cd-rom's work fine? OK. I'll check again with 2.4.4-pre4+patches: (1) Mounting the SuSE DVD-ROM (-t iso9660) from /dev/hdc on /dvd and reading from /dvd

Re: Kernel panics on raw I/O stress test

2001-04-19 Thread Alan Cox
When I ran raw I/O SCSI read/write test with 2.4.1 kernel on our IA64 8way SMP box, kernel paniced and following message was displayed. Aiee, killing interrupt handler! (1) Wait in rw_raw_dev() while io_count is positive. Stephen submitted a chunk of raw i/o fixes which are in

Re: Children first in fork

2001-04-19 Thread Éric Brunet
In ens.mailing-lists.linux-kernel, you wrote: It seems to me that what you really want is a fork option to create the child in a suspended state. Yes, or a clone option (using ptrace, I can always change on the fly the fork system call into a clone system call and add whatever option I

Re: PCI power management

2001-04-19 Thread Alan Cox
- Some devices just can't be brought back to life from D3 state without a PCI reset (ATI Rage M3 for example) and that require some arch specific support (when it's possible at all). Putting on a driver author hat what I want is pci_power_on_generic pci_power_off_generic

Re: Problems with Toshiba SD-W2002 DVD-RAM drive (IDE)

2001-04-19 Thread Jens Axboe
On Thu, Apr 19 2001, Stefan Jaschke wrote: On Thursday 19 April 2001 14:15, Jens Axboe wrote: This is really strange, are you sure your drive is ok? Does mounting dvd-rom and cd-rom's work fine? OK. I'll check again with 2.4.4-pre4+patches: (1) Mounting the SuSE DVD-ROM (-t iso9660) from

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Peter T. Breuer
"Jens Axboe wrote:" Examine _why_ you don't want plugging. In 2.2, you would have to edit the kernel manually to disable it for your device. True. Except that I borrowed a major which already got that special treatment. For 2.4, as long as there

Re: Fix for Donald Becker's DP83815 network driver (v1.07)

2001-04-19 Thread Roberto Nibali
Hello, Anyway, Roberto, if you could give the starfire driver in 2.2.19 a try, I'd appreciate it. You mentioned looking at the code, did you actually test it? Ok, I replaced the motherboard and did the remaining tests. Everything looks fine up to 3 quadboards, 2 3c905C and one eepro100. The

Re: PCI power management

2001-04-19 Thread Benjamin Herrenschmidt
- Some devices just can't be brought back to life from D3 state without a PCI reset (ATI Rage M3 for example) and that require some arch specific support (when it's possible at all). Putting on a driver author hat what I want is pci_power_on_generic pci_power_off_generic

Re: FPE's

2001-04-19 Thread Robert G. Brown
On 19 Apr 2001, Andreas Jaeger wrote: ISO C demands that at process startup all FPU traps are masked. You can set specific traps with the functions in fenv.h from the C library, for details read the manual: info libc Andreas Thanks, this is what I needed. I guessed that there was

Re: Cross-referencing frenzy

2001-04-19 Thread Mike Castle
On Wed, Apr 18, 2001 at 10:49:01PM -0600, Andreas Dilger wrote: However, I'm not sure that your reasoning for removing these is correct. For example, one symbol that I saw was CONFIG_EXT2_CHECK, which is code that used to be enabled in the kernel, but is currently #ifdef'd out with the above

Strange Oops in free_wait()/do_select()

2001-04-19 Thread Martin Buck
I'm getting strange Oopses with 2.2.17 on an AMD Athlon 1.2 GHz machine. They all happen in about the same place in free_wait() called by do_select(). I don't see a special pattern when I look at the failing addresses, but then, I'm not a kernel expert... The strange thing is that exactly this

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Jens Axboe
On Thu, Apr 19 2001, Peter T. Breuer wrote: "Jens Axboe wrote:" Examine _why_ you don't want plugging. In 2.2, you would have to edit the kernel manually to disable it for your device. True. Except that I borrowed a major which already got that special treatment. Ok

Re: PCI power management

2001-04-19 Thread Jeff Garzik
Benjamin Herrenschmidt wrote: - On SMP, we need some way to stop other CPUs in the scheduler while running the last round of sleep (putting devices to sleep) at least until all IO layers in Linux can properly handle blocking of IO queues while the device sleeps. I think either Rusty or

Re: PCI power management

2001-04-19 Thread Benjamin Herrenschmidt
null = 'do absolutely nothing' generic = 'do D3 as per the specification' The idea being the PM layer would go around calling dev-power_off(dev); as a default notifier for PCI devices. Ok, I see. I didn't understand that the functions you were talking about would be defaults to put

Re: missing poll(2) for semaphores

2001-04-19 Thread Alex Riesen
Just an addition to the sample: fds[3] = sem3; fds[4] = sem4; fds[5] = sem5; fds[6] = sem6; .. and wait for any of them? or for all together? and sure have this mixed with descriptors. Wellknown win32 api WaitForMultipleObjects provides such functionality, and having something like that would

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Peter T. Breuer
OK - agreed. But while I have your attention... "Jens Axboe wrote:" On the contrary, you are now given an exceptional opportunity to clean up your code and get rid of blk_queue_pluggable and your noop plugging function. In summary: blk_queue_pluggable can be removed for all driver codes

quota problems 2.4.2-2.4.3

2001-04-19 Thread Admin Mailing Lists
Hi, WHen i upgrade from 2.2 to 2.4, my first version was 2.4.1, in which i upgraded my quota utils to 3.00 and then converted to the new quota formats for 2.4. my last 2.4 upgrade was 2.4.2ac23, quotas work fine on that. but when i run 2.4.3 they dont. quota -v on a user shows just blank space

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Jens Axboe
On Thu, Apr 19 2001, Peter T. Breuer wrote: OK - agreed. But while I have your attention... "Jens Axboe wrote:" On the contrary, you are now given an exceptional opportunity to clean up your code and get rid of blk_queue_pluggable and your noop plugging function. In summary:

Re: light weight user level semaphores

2001-04-19 Thread George Talbot
On Tue, 17 Apr 2001 12:48:48 -0700 (PDT) Linus Torvalds wrote: [deletia] /* * a fast semaphore is a 128-byte opaque thing, * aligned on a 128-byte boundary. This is partly * to minimize false sharing in the L1 (we assume * that 128-byte

OOM tries to kill a root process eating all the memory but does not make it.

2001-04-19 Thread Cabaniols, Sebastien
Hello, I have a process which eats all the memory available (buy making a loop of mallocs, writing and reading the malloc'd memory) called memoryEater (to torture test the memory system before going to a production system) My kernel is 2.4.2smp on a 4 way Alpha machine with 8 Go of RAM.

RE: Real Time Traffic Flow Measurement - anybody working on it?

2001-04-19 Thread Michael Clark
Can't say i'm actively working on it but I've emailed Nevil to see if he knows of any RTFM work that is being done on Linux. Although here's some observations: Userspace pcap meters (such as NeTreMet) can measure traffic IP stack doesn't even see (useful for a probe on a span port for instance)

Re: ATA 100

2001-04-19 Thread David Balazic
Vojtech Pavlik ([EMAIL PROTECTED]) wrote : On Wed, Apr 18, 2001 at 10:21:53PM -0400, Manuel Ignacio Monge Garcia wrote: El Mi 18 Abr 2001 15:16, escribiste: I don't know about other possible problems with the kernel, but you must use an 80 wire IDE cable for UDMA66/100 to work.

Re: block devices don't work without plugging in 2.4.3

2001-04-19 Thread Peter T. Breuer
"Jens Axboe wrote:" [ptb wrote] through merge_reqeusts function controls. My unease derives, I think, from the fact that I have occasionally used plugging for other purposes. Namely for throttling the device. These uses have always been experimental and uniformly unsuccessful, because

Re: ATA 100

2001-04-19 Thread David Balazic
Manuel Ignacio Monge Garcia ([EMAIL PROTECTED]) wrote : Hi. I have a ASUS A7V133 Motherboard with AMD ThinderBird 1 Ghz, and PDC20265/VIA. I've tried all the possible combinations on "IDE, ATA and ATAPI Block devices". I've read the "Unofficial Asus A7V and Linux ATA100 "Quasi-Mini-Howto"

Re: PNP BIOS and parport_pc - dma found but not used

2001-04-19 Thread Pavel Roskin
Hello, Alan! The setting is BIOS is to use irq 7 and dma 3. I normally use "options parport_pc io=0x378 irq=7 dma=3" in /etc/modules.conf, but this time I commented them out hoping that the driver will ask BIOS. PnPBIOS: Parport found PNPBIOS PNP0401 at io=0378,0778 irq=7 dma=-1 Do

Re: via udma100 fix

2001-04-19 Thread David Balazic
Andre Hedrick ([EMAIL PROTECTED]) wrote : Hi Dan, This was sent to me the other day, is this waht you are talking about? Cheers, + /* +*Turn off PCI Latency timeout (set to 0 clocks) +*/ + pci_write_config_byte(dev, 0x75, 0x80); Is turning off PCI

linux timer performance ?

2001-04-19 Thread Praveen Rajendran
hi I am working on a kernel module which requires the addition of a large number of kernel timers to expire statistical values ( including time ) maintained in a table. One alternative would be to use a single timer and traverse the entire table and use the existing system time to expire the

Bug in serial.c

2001-04-19 Thread Marc Karasek
I am doing some embedded development with the 2.4.x series and have noticed a few things.. 1) In 2.4.2 in order to compile with module support you also had to turn on smp support. This has been fixed in the 2.4.3 release. This bloated the kernel image to 600k+ which in an embedded world is not

[PATCH] drivers/sound/nm256_audio.c

2001-04-19 Thread Marcus Meissner
Hi, This updates the nm256_audio driver to the 2.4 PCI API. Patch is against 2.4.3-ac9, verified on Sony VAIO Laptop. Ciao, Marcus Index: drivers/sound/nm256_audio.c === RCS file:

Re: Bug in serial.c

2001-04-19 Thread Disconnect
On Thu, 19 Apr 2001, Marc Karasek did have cause to say: 2) In 2.4.3 the console port using ttySX is broken. It dumps fine to the terminal but when you get to a point of entering data (login, configuration scripts, etc) the terminal does not accept any input. Most gettys and such take a

Re: Bug in serial.c

2001-04-19 Thread Richard B. Johnson
On Thu, 19 Apr 2001, Marc Karasek wrote: I am doing some embedded development with the 2.4.x series and have noticed a few things.. [SNIPPED...] 2) In 2.4.3 the console port using ttySX is broken. It dumps fine to the terminal but when you get to a point of entering data (login,

Re: [PATCH] drivers/sound/nm256_audio.c

2001-04-19 Thread Jeff Garzik
Marcus Meissner wrote: Hi, This updates the nm256_audio driver to the 2.4 PCI API. Patch is against 2.4.3-ac9, verified on Sony VAIO Laptop. "verified" is the really important part with this driver, since its really finicky. I have a patch I would love to bounce to you in private, that

Re: light weight user level semaphores

2001-04-19 Thread Linus Torvalds
On Thu, 19 Apr 2001, Alon Ziv wrote: * the userspace struct was just a signed count and a file handle. The main reason I wanted to avoid a filehandle is just because it's another name space that people already use, and that people know what the semantics are for (ie "open()" is _defined_ to

BUG: Global FPU corruption in 2.2

2001-04-19 Thread Victor Zandy
We have found that one of our programs can cause system-wide corruption of the x86 FPU under 2.2.16 and 2.2.17. That is, after we run this program, the FPU gives bad results to all subsequent processes. We see this problem on dual 550MHz Xeons with 1GB RAM. We have 64 of these things, and we

FW: Bug in serial.c

2001-04-19 Thread Marc Karasek
-Original Message- From: Marc Karasek To: 'Richard B. Johnson ' Sent: 4/19/01 11:53 AM Subject: RE: Bug in serial.c Did something change between 2.4.2 2.4.3? Under 2.4.2 I did not have to init the terminal (are you refering to the host or client side?) and just accepted the

Re: [PATCH] drivers/sound/nm256_audio.c

2001-04-19 Thread Marcus Meissner
On Thu, Apr 19, 2001 at 11:56:01AM -0400, Jeff Garzik wrote: Marcus Meissner wrote: Hi, This updates the nm256_audio driver to the 2.4 PCI API. Patch is against 2.4.3-ac9, verified on Sony VAIO Laptop. "verified" is the really important part with this driver, since its really

FW: Bug in serial.c

2001-04-19 Thread Marc Karasek
-Original Message- From: Marc Karasek To: 'Disconnect ' Sent: 4/19/01 11:49 AM Subject: RE: Bug in serial.c I have changed everything to point to /dev/ttyS0. The settings in lilo.conf (I am booting from a floppy to emulate the embedded space) are all for ttyS0. Lilo pritns to the

Re: light weight user level semaphores

2001-04-19 Thread Linus Torvalds
On Thu, 19 Apr 2001, Abramo Bagnara wrote: [ Using file descriptors ] This would also permit: - to have poll() - to use mmap() to obtain the userspace area It would become something very near to sacred Unix dogmas ;-) No, this is NOT what the UNIX dogmas are all about. When UNIX says

Re: Is there a way to turn file caching off ?

2001-04-19 Thread Jeremy Jackson
Helge Hafting wrote: Jeremy Jackson wrote: currently all the kernel's heuristics are feed-back control loops. what you are asking for is a feed-forward system: a way for the application to tell kernel "I'm only reading this once, so after I'm done, throw it out straight away" and

Re: ATA 100

2001-04-19 Thread Vojtech Pavlik
On Thu, Apr 19, 2001 at 04:46:03PM +0200, David Balazic wrote: Vojtech Pavlik ([EMAIL PROTECTED]) wrote : On Wed, Apr 18, 2001 at 10:21:53PM -0400, Manuel Ignacio Monge Garcia wrote: El Mi 18 Abr 2001 15:16, escribiste: I don't know about other possible problems with the kernel,

Re: linux timer performance ?

2001-04-19 Thread Jeremy Jackson
Praveen Rajendran wrote: hi I am working on a kernel module which requires the addition of a large number of kernel timers to expire statistical values ( including time ) maintained in a table. One alternative would be to use a single timer and traverse the entire table and use the

Re: generic rwsem [Re: Alpha process table hang]

2001-04-19 Thread Bob McElrath
Bob McElrath [[EMAIL PROTECTED]] wrote: Andrea Arcangeli [[EMAIL PROTECTED]] wrote: So please try to reproduce the hang with 2.4.4pre3 with those two patches applied: ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.4pre3aa3/00_alpha-numa-3

Kernel 2.4.x - Oops with 2k-block MO disks + FAT

2001-04-19 Thread Marc-Jano Knopp
Hi! Both kernel 2.4.2 and 2.4.3 have an error in handling magneto- optical disks (MOs) with 2048-byte blocks when they are formatted with FAT. Conditions -- - Kernel 2.4.2 or 2.4.3 (most likely ALL 2.4.x kernels) - MO with 2048-byte blocks (e.g. 3.5" 640 MB)

Re: light weight user level semaphores

2001-04-19 Thread Linus Torvalds
On Thu, 19 Apr 2001, Alan Cox wrote: can libraries use fast semaphores behind the back of the user? They might well want to use the semaphores exactly for things like memory allocator locking etc. But libc certainly cant use fd's behind peoples backs. libc is entitled to, and most

Re: light weight user level semaphores

2001-04-19 Thread Abramo Bagnara
Linus Torvalds wrote: On Thu, 19 Apr 2001, Abramo Bagnara wrote: [ Using file descriptors ] This would also permit: - to have poll() - to use mmap() to obtain the userspace area It would become something very near to sacred Unix dogmas ;-) No, this is NOT what the UNIX

Re: generic rwsem [Re: Alpha process table hang]

2001-04-19 Thread Andrea Arcangeli
On Thu, Apr 19, 2001 at 11:21:17AM -0500, Bob McElrath wrote: I'm at 2 days uptime now, and have not seen the process-table-hang. Looks like this fixed it. Previously I would get a hang in the first day or so. I'm using your alpha-numa-3 and rwsem-generic-4 against 2.4.4pre3. good, thanks

Re: More ATA100 oddity

2001-04-19 Thread Joel Jaeggli
udma 5 is ata100 udma4 is 66 so it's seeing your disk fine... as far as the 27MB/s goes, it actually testing the disk and that's what it got for throughput... that's acutally a pretty good number, on the diamondmax 80 I get 23MB/s /dev/hde: Model=Maxtor 98196H8, FwRev=ZAH814Y0,

Re: Strange Oops in free_wait()/do_select()

2001-04-19 Thread Martin Buck
On Thu, Apr 19, 2001 at 03:25:33PM +0200, Martin Buck wrote: I'm getting strange Oopses with 2.2.17 on an AMD Athlon 1.2 GHz machine. [...] BTW, I didn't mention it explicitly, but this kernel is *not* Athlon-optimized (since I used it for several months on a P II and IIRC, 2.2.17 didn't offer

Re: ARP handling in case of having multiple interfaces on same segment

2001-04-19 Thread Christopher Friesen
NIIBE Yutaka wrote: Sometime, we have setting like following (say, in the migration process of changing IP networks, or perhaps wrong way of load balancing): +--+ |eth0 eth1 | +--+ | | ---+---+ Current

Re: Kernel panics on raw I/O stress test

2001-04-19 Thread Andrea Arcangeli
On Thu, Apr 19, 2001 at 09:01:53PM +0900, Takanori Kawano wrote: When I ran raw I/O SCSI read/write test with 2.4.1 kernel on our IA64 8way SMP box, kernel paniced and following message was displayed. Could you try again with 2.4.4pre4 plus the below patch?

Re: light weight user level semaphores

2001-04-19 Thread Alan Cox
libc is entitled to, and most definitely does exactly that. Take a look at things like gethostent, getpwent etc etc. Ehh.. I will bet you $10 USD that if libc allocates the next file descriptor on the first "malloc()" in user space (in order to use the semaphores for mm protection),

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