Re: Distinguish real vs. virtual CPUs?

2005-03-22 Thread Bill Davidsen
elonging to the same physical package. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message

Re: Distinguish real vs. virtual CPUs?

2005-03-23 Thread Bill Davidsen
Tom Vier wrote: On Tue, Mar 22, 2005 at 04:26:47PM -0500, Bill Davidsen wrote: It's not clear if that's bizarre practice on AMD system boards or if it's mis-reported. Of course Tom may be running a NUMA setup, in which case I won't guess what's expected to be displayed. I've added him to the CC

Re: Kernel cached memory

2005-08-01 Thread Bill Davidsen
Gábor Lénárt wrote: On Mon, Jul 25, 2005 at 12:47:50PM -0400, Bill Davidsen wrote: Gábor Lénárt wrote: On Fri, Jul 22, 2005 at 05:46:58PM +0800, Ashley wrote: I've a server with 2 Operton 64bit CPU and 12G memory, and this server is used to run applications which

Re: Finding out which SCSI drive is mapped to which device

2005-08-01 Thread Bill Davidsen
s seem to be for SCSI devices which are not disks, tapes or CD-ROMs. All my SCSI devices are disks. I only need to find out which SCSI ID maps to sda, and which ID to sdb etc. For human information "cat /proc/scsi/scsi" might do -- bill davidsen SBC/Prodigy Yorktown Heights NY da

Re: Linux 2.6.13-rc4 (snd-cs46xx)

2005-08-02 Thread Bill Davidsen
succeeded. Sorry for that. I blame it on it being late when I wrote it and trying several different ways. :-P You are hardly the first person to implement the "it doesn't work right, but it sure is FAST!" algorithm. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastin

Re: Acer Aspire 1691WCLi no boot problem

2005-08-02 Thread Bill Davidsen
[234] all boot fine, but the damn sound doesn't work. FC3 just didn't work, FC4 hangs if I use "play test sound" but otherwise works. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but

Re: Determining if the current processor is Hyperthreaded

2005-08-02 Thread Bill Davidsen
lings" is listed and more than one. There is no "other thread" there, it's like "which one is the other hand?" -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To u

Re: i387 floating-point test program/benchmark

2005-08-02 Thread Bill Davidsen
ench.c i387_bench.c:27: parse error before `cpuset' i387_bench.c:27: warning: data definition has no type or storage class i387_bench.c:34: unknown field `sa_handler' specified in initializer -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off unti

Re: Power consumption HZ100, HZ250, HZ1000: new numbers

2005-08-10 Thread Bill Davidsen
Jim Crilly wrote: On 07/31/05 11:10:20PM +0200, Pavel Machek wrote: I really like having 250HZ as an _option_, but what I don't see is why it should be the _default_. I believe this is Lee's position as Last I checked, ACPI and CPU speed scaling were not enabled by default; Kernel defaults

Re: Power consumption HZ100, HZ250, HZ1000: new numbers

2005-08-10 Thread Bill Davidsen
Lee Revell wrote: On Mon, 2005-08-01 at 01:29 +0200, Pavel Machek wrote: Hi! I'm pretty sure at least one distro will go with HZ<300 real soon now ;-). Any idea what their official recommendation for people running apps that require the 1ms sleep resolution is? Something along the lines

Re: Power consumption HZ100, HZ250, HZ1000: new numbers

2005-08-10 Thread Bill Davidsen
Pavel Machek wrote: Hi! I was finally able to get C3 state working. It seems that my BIOS is leaving USB controllers in an active state(?). Without any USB drivers loaded, C3 is not possible. With drivers loaded, but no device plugged in C3 works fine. Kernel is 2.6.13-rc3-mm3 + acpi-sbs.

Re: How come that in kernel 2.6.11 a dvd is readable, but not in kernel 2.6.12?

2005-08-10 Thread Bill Davidsen
d can't read it. It behaves as if the read fails depending on the data read, hard as that is to understand with DMA devices and no bounce buffers. I wouldn't mention this until I had more info, but it seems possibly related. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrast

Re: [2.6 patch] remove support for gcc < 3.2

2005-08-10 Thread Bill Davidsen
he gcc project, at least WRT x86, has lost its way a bit. The compiler is getting slower, and the generated code is not getting correspondingly faster. Or smaller. I'm not sure about more correct... Keeping 2.95 might not be a bad idea. -- -bill davidsen ([EMAIL PROTECTED]) "

Re: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 3

2005-08-10 Thread Bill Davidsen
latency. At least as I can measure... Bravo to all concerned to get this to the testing stage! -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: sen

Re: [ANNOUNCE] Interbench 0.27

2005-08-10 Thread Bill Davidsen
sponse curve shapes and found a way to get numbers useful to me. So you might find the percentile values pull additional information out of your data points, particularly for noisy results. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until

Re: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 5

2005-08-11 Thread Bill Davidsen
SPARC hardware works, I don't remember enough to be useful. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kern

Re: remove support for gcc < 3.2

2005-08-12 Thread Bill Davidsen
and slower with every release. The tools used to find overlong paths in the kernel would work well for gcc. Recent versions are painful, even with a decent SMP machine. The people compiling on laptops could spend a day building with new versions. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR

Re: libata PATA todo list

2005-08-15 Thread Bill Davidsen
changed my script to do something else. However, it really should work. I will test this if you like, but I'm on 7x24 coverage this week and 7x24 vacation after that, so not soon. 10) ATAPI DMA alignment (discussed elsewhere) Needed even for PATA, AFAICT. Thanks for keeping the list! -

Re: Linux 2.6.20-rc1

2006-12-18 Thread Bill Davidsen
Alan wrote: On Fri, 15 Dec 2006 11:50:14 -0500 Bill Davidsen <[EMAIL PROTECTED]> wrote: Did I miss an alternate method of handling ftape devices, or are these old beasts now unsupported? I occasionally have to be able to handle that media, since the industrial device using ftape for c

Re: Linux disk performance.

2006-12-20 Thread Bill Davidsen
ons, default cfq or even deadline might be helpful. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAI

Re: my handy-dandy, "coding style" script

2006-12-20 Thread Bill Davidsen
n put in when struct members had other values, may be needed on some hardware but not others, etc. Cleanups are good, but may not be as obvious as they appear. Not that there's a lack of places to remove visual cruft, but perhaps someone could look at casts and ask if each hides a real type mismatch

Re: Linux disk performance.

2006-12-31 Thread Bill Davidsen
Phillip Susi wrote: Bill Davidsen wrote: Quite honestly, the main place I have found O_DIRECT useful is in keeping programs doing large i/o quantities from blowing the buffers and making the other applications run like crap. If you application is running alone, unless you are very short

Re: Raid 0 Swap?

2006-12-31 Thread Bill Davidsen
in the linux-raid archives, won't rehash here. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED

Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

2005-07-15 Thread Bill Davidsen
themselves happy. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info

Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

2005-07-15 Thread Bill Davidsen
ot very well defined quantities, but obviously "many" > "few" :-) Of course that assumes that these are not the same users, which clearly isn't true in all cases. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small compu

Re: [ANNOUNCE] Interbench v0.20 - Interactivity benchmark

2005-07-15 Thread Bill Davidsen
Con Kolivas wrote: On Thu, 14 Jul 2005 03:54, Bill Davidsen wrote: Con Kolivas wrote: On Tue, 12 Jul 2005 21:57, David Lang wrote: for audio and video this would seem to be a fairly simple scaleing factor (or just doing a fixed amount of work rather then a fixed percentage

Re: [ANNOUNCE] Interbench v0.20 - Interactivity benchmark

2005-07-18 Thread Bill Davidsen
[EMAIL PROTECTED] wrote: Quoting Bill Davidsen <[EMAIL PROTECTED]>: Disk tests should be at a fixed rate, not all you can do. That's NOT realistic. Not true; what you suggest is another thing to check entirely, and that would be a valid benchmark too. Wh

Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

2005-07-24 Thread Bill Davidsen
t;kernel_hz=" then convert the digits after to an integer and validate that. It would catch invalid values far better, allow other values to be either implemented as best as is possible if desired, and NOT ignore invalid values if they didn't match these predefined strings. -- bill dav

Re: Kernel doesn't free Cached Memory

2005-07-25 Thread Bill Davidsen
nel strictly honor the no-overcommit request? Don't have swap? -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-k

Re: Kernel cached memory

2005-07-25 Thread Bill Davidsen
of my programs to use as disk buffer, so that when system memory is full I pay the overhead of TWO disk i/o's, one to finally write the data to the disk and one to read my program back in. If free software is about choice, I wish there was more in the area of how memory is used. -- -b

Re: Kernel cached memory

2005-07-25 Thread Bill Davidsen
Paolo Ornati wrote: On Mon, 25 Jul 2005 12:47:50 -0400 Bill Davidsen <[EMAIL PROTECTED]> wrote: And IMHO Linux is *way* too willing to evicy clean pages of my programs to use as disk buffer, so that when system memory is full I pay the overhead of TWO disk i/o's, one to finally

Variable ticks

2005-07-25 Thread Bill Davidsen
nd "faster clock, better sleep resolution," I don't want to leave out any important issues, or be asked a question (like how to handle polling devices) when I have no idea what people are thinking in an area. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination i

Re: 2.6.13-rc3 Battery times at 100/250/1000 Hz = Zero difference

2005-07-25 Thread Bill Davidsen
perienced guess unsupported by other relevant information. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel&

Re: [PATCH] Re: itimer oddness in 2.6.12

2005-07-25 Thread Bill Davidsen
le problem. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED

Re: [patch 2.6.13-rc3a] i386: inline restore_fpu

2005-07-25 Thread Bill Davidsen
the following (totally untested) should make it be non-lazy. It's going to slow down normal task switches, but might speed up the "restoring FP context all the time" case. Chuck? This should work fine with or without your inline thing. Does it make any difference? -- -bill davids

Re: PROBLEM: IDE Zip drive doesn't work under 2.6.12

2005-07-25 Thread Bill Davidsen
st. fdisk sees the drive on 2.6, 2.4 sees it okay on same hardware I haven't tried on the most recent kernels, but ZIP seemed to work nicely with ide-scsi in earlier 2.6. You might want to try that as a data point if nothing else. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to proc

Re: kernel 2.6 speed

2005-07-25 Thread Bill Davidsen
, people who need accuracy above all could use 866 (or whatever tick rate near that was the lowest error). -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: sen

Re: Power consumption HZ250 vs. HZ1000

2005-07-25 Thread Bill Davidsen
it won't change much, but to satisfy the people who think USB precludes power saving you could make the test. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this li

Re: xor as a lazy comparison

2005-07-25 Thread Bill Davidsen
let's not use x += x as well. If you want to multiple by two, do it. Wasn't there a CPU where multiple was faster than add? Doesn't matter, let the compiler make the optimizations so you don't have to. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put thing

Re: Problem with Asus P4C800-DX and P4 -Northwood-

2005-07-25 Thread Bill Davidsen
_llseek(3, 1761280, [1761280], SEEK_SET) = 0 <0.16> [pid 1431] 1122318636.266250 _llseek(3, 1761280, [1761280], SEEK_SET) = 0 <0.16> [pid 1431] 1122318636.266322 _llseek(3, 1761280, [1761280], SEEK_SET) = 0 <0.15> [pid 1431] 1122318636.266394 _llseek(3, 1761280, [

Re: Variable ticks

2005-07-25 Thread Bill Davidsen
dback, I can probably just say that DMA wakes the CPU from C3 and let it ride, I don't want to skip it, but neither do I need to go into detail. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer&qu

ACPI oddity

2005-07-25 Thread Bill Davidsen
and/or HT machines, but all of the HT machines running 2.6 are behind a hard firewall except one. It's running the ASUS P4P800 board which is why I looked, BIOS 1086. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible m

Re: elvtune with 2.6 kernels (under FC3)

2005-07-26 Thread Bill Davidsen
with values in /sys/block/{device}/queue or wherever you have your sysfs mounted. Not a great user interface, but at least you can play. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer&

Re: ACPI oddity

2005-07-26 Thread Bill Davidsen
that /sys/devices/system uses today. Whatever, it's cosmetic and there seem to be more important problems with APIC than /proc vs. /sys. Thanks for the clarification. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible m

Re: Problem with Asus P4C800-DX and P4 -Northwood-

2005-07-26 Thread Bill Davidsen
Andreas Baer wrote: Bill Davidsen wrote: One other oddment about this motherboard, Forgive if I have over-snipped this trying to make it relevant... Andreas Baer wrote: Willy Tarreau wrote: On Mon, Jul 25, 2005 at 03:10:08PM +0200, Andreas Baer wrote: There clearly

Re: 2.6.13-rc3 Battery times at 100/250/1000 Hz = Zero difference

2005-07-26 Thread Bill Davidsen
of this, but in many cases it would result in a saving, perhaps fairly large. Some environmental benefit as well, of course. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubs

Re: Kernel cached memory

2005-07-26 Thread Bill Davidsen
program is read back in. If the pages are dirty, then there's the delay while they are written. It's exactly the benefit from having cached pages which is lost. I would love more control in this area, but short of maintaining a patch I don't see it happening. -- -bill davidsen ([EMAIL

Re: topology api confusion

2005-07-26 Thread Bill Davidsen
s function. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED

Re: Variable ticks

2005-07-26 Thread Bill Davidsen
and would not be blocked for low power, only for suspend. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in t

Re: ACPI buttons in 2.6.12-rc4-mm2

2005-07-29 Thread Bill Davidsen
Brown, Len wrote: I agree that the value of _LID can be usefult to user-space and I'll be sure it is restored as a property of the lid device under sysfs -- available as a simple file read like it was under /proc. You're missing the point, removing the /proc feature breaks existing code. You

Re: 2.6.13-rt1

2005-08-29 Thread Bill Davidsen
, but one can do without it). Funny, suspend works on all my laptops and most of my desktops, I was hoping that someone might get resume working next. :-( -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer&

Re: Is cdrecord dependent on some kind of bus type?

2005-08-29 Thread Bill Davidsen
jeff shia wrote: Hello, Is cdrecord dependent on some kind of bus type,such as pci or usb? And the older version such as cdrecord-1.2? can cdrecord-1.2 run on kernel-2.4.18? Why not ask the cdrecord M/L? Subscribe at other.debian.org. Any 2.4 kernel should work using ide-scsi. -- -bill

Re: KLive: Linux Kernel Live Usage Monitor

2005-08-30 Thread Bill Davidsen
ould be interested in how long it takes a new release to be used in production. There are lots of things you could add, but get it working first. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -

Re: odd socket behavior

2005-08-31 Thread Bill Davidsen
or is this something that is normal? What do you see with lsof? Is there a process associated? I'm seeing something related with 2.6.13... -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer&

Re: USB Storage speed regression since 2.6.12

2005-09-01 Thread Bill Davidsen
DervishD wrote: Hi all :) I don't know if this is a known issue, but usb-storage speed for 'Full speed' devices dropped from 2.6.11.12 (more than 800Kb/s) to 2.6.12 (less than 250Kb/s). The problem still exists in 2.6.13. The lack of speed seems to affect only the OHCI driver. My

Re: 2.6.13 git snapshot patches still empty

2005-09-02 Thread Bill Davidsen
omeone reports a problem and there's no ggod way to tell exactly what patches are present. At least with git patches, anyone can **easily** replicate the source tree for debugging. Is it really that hard to fix the process? -- -bill davidsen ([EMAIL PROTECTED]) "The secret to proc

Re: IDE HPA

2005-09-07 Thread Bill Davidsen
as a separate and distinct area, the DM driver would come in handy. This follows the same philosophy as fakeraid (BIOS RAID): we simply export the entire disk, and Device Mapper (google for 'dmraid') handles the vendor-proprietary RAID metadata. -- -bill davidsen ([EMAIL PROTECTED

Re: [PATCH 1/3] dynticks - implement no idle hz for x86

2005-09-07 Thread Bill Davidsen
, and it originally came from that root, then this is the time to put in a hook for transitions to<=>from the all-idle state. Various arch may have things other than the PIT which should (or at least can) be stopped, and which need to be restarted. -- -bill davidsen ([EMAIL PROTECTED]) "

Re: RFC: i386: kill !4KSTACKS

2005-09-07 Thread Bill Davidsen
orks is a waste of your time and talent, please find something better to do. Perhaps devise a way for programs like ndiswrapper to provide their own stack, for instance. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment

Re: RFC: i386: kill !4KSTACKS

2005-09-07 Thread Bill Davidsen
eem to include a lot of unsupported hardware, which can't be replaced due to resources (money, slots, batter life). -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: se

Re: RFC: i386: kill !4KSTACKS

2005-09-07 Thread Bill Davidsen
("hard to implement" is a practical reason) why all stacks need to be the same size? -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line

Re: open(O_DIRECT) on a tmpfs?

2007-01-04 Thread Bill Davidsen
, feel free to point it out. Hugh p.s. You said "O_DIRECT (for example)" - what other open flag do you think tmpfs should support which it does not? -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To

Re: open(O_DIRECT) on a tmpfs?

2007-01-04 Thread Bill Davidsen
Peter Staubach wrote: Hugh Dickins wrote: On Thu, 4 Jan 2007, Bill Davidsen wrote: In many cases the use of O_DIRECT is purely to avoid impact on cache used by other applications. An application which writes a large quantity of data will have less impact on other applications by using

Re: open(O_DIRECT) on a tmpfs?

2007-01-05 Thread Bill Davidsen
Denis Vlasenko wrote: On Thursday 04 January 2007 17:19, Bill Davidsen wrote: Hugh Dickins wrote: In many cases the use of O_DIRECT is purely to avoid impact on cache used by other applications. An application which writes a large quantity of data will have less impact on other

Re: open(O_DIRECT) on a tmpfs?

2007-01-08 Thread Bill Davidsen
Denis Vlasenko wrote: On Friday 05 January 2007 17:20, Bill Davidsen wrote: Denis Vlasenko wrote: But O_DIRECT is _not_ about cache. At least I think it was not about cache initially, it was more about DMAing data directly from/to application address space to/from disks, saving

Re: installing only the newly (re)built modules

2007-01-10 Thread Bill Davidsen
this, but the copy runs so fast I never really thought about it as an issue. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel&q

Re: compiling linux kernels with gcc 4.x

2007-01-10 Thread Bill Davidsen
, that at least tells you why. Is there anyway we can compile lower versions of linux using gcc 4.x. Im using a arm-linux-gcc. I can't even give you a guess on that, other than patching your kernel with individual patches used to avoid compilation problems. -- bill davidsen <[EMAIL PROTEC

Re: 2.6.20-rc4: regression: iptables failed to load rules

2007-01-10 Thread Bill Davidsen
Linus Torvalds wrote: On Tue, 9 Jan 2007, Tomasz Kvarsin wrote: During boot into 2.6.20-rc4 iptables says iptables-restore: line 15 failed. And works fine with my default kernel: 2.6.18.x I bet you enabled the new transport-agnostic netfilter, and didn't enable some of the actual rules

Re: installing only the newly (re)built modules

2007-01-10 Thread Bill Davidsen
On 1/10/07, Bill Davidsen <[EMAIL PROTECTED]> wrote: Alexy Khrabrov wrote: > The 2.6 build system compiles only those modules whose config > changed. However, the install still installs all modules. > > Is there a way to entice make modules_install to install only those >

Re: O_DIRECT question

2007-01-11 Thread Bill Davidsen
them and have other i/o crawl or stop. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED]

Re: O_DIRECT question

2007-01-11 Thread Bill Davidsen
to write all the data for one file at once, because it avoids seeks, even if it uses the drive for seconds. The code has gone too far in the direction of throughput, at the expense of response to other processes, given the (common) behavior noted. -- bill davidsen <[EMAIL PROTECTED

Re: O_DIRECT question

2007-01-12 Thread Bill Davidsen
is a "proper solution" is usually a total red herring. Quite often there isn't, and the "paper over" is actually not papering over, it's quite possibly the best solution there is.' I think any solution is going to be ugly, unfortunately. -- bill davidsen <[EMAIL PROTECTE

Re: O_DIRECT question

2007-01-13 Thread Bill Davidsen
reflecting this. Please clarify how this would interact with quota, and why it wouldn't allow someone to run me out of disk. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send th

Re: O_DIRECT question

2007-01-13 Thread Bill Davidsen
and using that with an otherwise unmodified large program which uses fprintf(). That worked on all of the major UNIX variants as well. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the l

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-13 Thread Bill Davidsen
[EMAIL PROTECTED] wrote: On Fri, 12 Jan 2007 10:03:49 EST, Lennart Sorensen said: I would expect any distribution should work on these (as long as the kernel they use isn't too old.). Of course if it is a Mac, you need a distribution that supports their firmware (which is of course not a PC

Re: Linux v2.6.20-rc5

2007-01-13 Thread Bill Davidsen
17.50.0.8 Same problem with vanilla linux-2.6.20-rc5. What target? I had no such problem with x86, haven't tried the x86_64 build yet. Haven't even been able to try a boot, but the build was fine ;-) -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting thi

Re: [patch 14/23] x86 microcode: dont check the size

2006-12-02 Thread Bill Davidsen
ALSIZE; or some similar logic to do what the manual suggests, that zero is a valid value. I may be totally misreading this, of course, I'm taking the manual quote as gospel. -- Bill Davidsen <[EMAIL PROTECTED]> "We have more to fear from the bungling of the incompetent than from

Re: PREEMPT is messing with everyone

2006-12-05 Thread Bill Davidsen
and confusing. Why dont we use like this :- Because it's ugly and confusing. #ifdef CONFIG_PREEMPT #include #endif #ifdef CONFIG_PREEMPT preempt_disable(); #endif #ifdef CONFIG_PREEMPT preempt_enable(); #endif -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing in

Re: Meaning of keycodes unclear

2006-12-05 Thread Bill Davidsen
and still have function keys as other things wanted them. Hope that answers your question. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel&q

Re: Announce loop-AES-v3.0b file/swap crypto package

2005-01-16 Thread Bill Davidsen
? I'd like to use it, but if I'm going to have to maintain my own crypto kernels indefinitely this probably isn't the one for me. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the l

Re: SATA disk dead? ATA: abnormal status 0x59 on port 0xE407

2005-01-16 Thread Bill Davidsen
, in which case you run it until you back it up, then waranty it. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a m

Re: thoughts on kernel security issues

2005-01-18 Thread Bill Davidsen
a lot of time to keep current, and you see a lot of stuff you don't need. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe lin

Re: Unable to burn DVDs

2005-01-18 Thread Bill Davidsen
Michal Schmidt wrote: Bill Davidsen wrote: Nick Sanders wrote: For me when running growisofs with user permissions on 2.6.10 (ide-cd) it works perfectly 1st time but 2nd time fails with the error below. It works fine when run as root. :-( unable to PREVENT MEDIA REMOVAL: Operation

Re: Announce loop-AES-v3.0b file/swap crypto package

2005-01-19 Thread Bill Davidsen
75kB/s realtime and 18819.7879 kB/s CPU time. This doesn't seem unusably slow, even on my mighty P-II/350 and eight year old 4GB drives. The hdb is so old it has to run in pio mode, to give you an idea, and the original data was not in memory. Undoubtedly your idea of unusably slow is far more

Re: thoughts on kernel security issues

2005-01-19 Thread Bill Davidsen
Alban Browaeys wrote: Bill Davidsen tmr.com> writes: With no disrespect, I don't believe you have ever been a full-time employee system administrator for any commercial or government organization, and I don't believe you have any experience trying to do security when change must be revie

Re: thoughts on kernel security issues

2005-01-19 Thread Bill Davidsen
sers have no recourse but to go to another O/S or app. Which makes it far more practical to explain a point than to storm off and do it yourself and have to maintain it forever. -- -bill davidsen ([EMAIL PROTECTED]) "The secret to procrastination is to put things off until the last

Re: Announce loop-AES-v3.0b file/swap crypto package

2005-01-20 Thread Bill Davidsen
On Wed, 19 Jan 2005, Fruhwirth Clemens wrote: > On Wed, 2005-01-19 at 12:03 -0500, Bill Davidsen wrote: > > On Tue, 18 Jan 2005, Dan Hollis wrote: > > > > > On Tue, 18 Jan 2005, Venkat Manakkal wrote: > > > > As for cryptoloop, I'm sorry, I cannot say the

Re: [PATCH] fix bad locking in drivers/base/driver.c

2005-01-25 Thread Bill Davidsen
ll this function, and we * have to guarantee that it won't complete, letting the driver -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in t

Re: thoughts on kernel security issues

2005-01-25 Thread Bill Davidsen
ity on the maintainer. Adding and vetting things in stages works only when the parts work independently, and that's not always the case. You don't leap vast chasms in small cautious steps. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with sma

Re: VCD not readable under 2.6.18

2006-12-09 Thread Bill Davidsen
Rakhesh Sasidharan wrote: Infact, just inserting a CD is enough. No need for a media player to try and access the files. :) The backend must be polling and trying to mount the disc upon insertion. Kernel 2.6.16 and before did that fine, but kernel 2.6.17 and above don't and give error

Re: sysfs file creation result nightmare (WAS radeonfb: Fix sysfs_create_bin_file warnings)

2006-12-14 Thread Bill Davidsen
it fixed. Failing to init the fb is certainly a good way to make sure the problem isn't overlooked, but perhaps a bit shy in the area of letting the user find out what the error was. Perhaps a warning would be better. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing inter

Re: noexec=on doesn't work

2006-12-14 Thread Bill Davidsen
; the NX bit seems to not work. Straining my memories of i586, I don't think that it even COULD do noexec... I don't have any here to try at the moment. In any case an option which isn't known or isn't implemented should generate a warning. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Asso

Re: Linux 2.6.20-rc1

2006-12-15 Thread Bill Davidsen
I occasionally have to be able to handle that media, since the industrial device using ftape for control updates cost more than a small house. I can obviously keep an old slow machine to do the job, but I'd like to know if I need to. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associat

Re: [PATCH] Clarify i386/Kconfig explanation of the HIGHMEM config options

2006-12-15 Thread Bill Davidsen
config unless PAE was selected. I don't think you will avoid confusion when you have two unrelated reasons for enabling the same feature. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe

Re: 2.6.19 kernel series, SATA, wodim (cd recording), synaptics update,

2006-12-15 Thread Bill Davidsen
l to other programs as well. Do not use cdrecord derivates but the original as derivates may have bugs that are not present in the original. That cuts both ways. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979

Re: Will there be security updates for 2.6.17 kernels?

2006-12-15 Thread Bill Davidsen
handle the new unchanged behavior. See "VCD not readable" for details. -- bill davidsen <[EMAIL PROTECTED]> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in

Re: RFC: i386: kill !4KSTACKS

2005-09-08 Thread Bill Davidsen
Mike Galbraith wrote: At 12:38 PM 9/7/2005 -0400, Bill Davidsen wrote: You must have something more useful to work on, which would ADD value to the kernel instead of breaking existing installations. Ripping out petty stuff which works is a waste of your time and talent, please find something

Re: RFC: i386: kill !4KSTACKS

2005-09-08 Thread Bill Davidsen
Jan Kiszka wrote: 2005/9/7, Bill Davidsen <[EMAIL PROTECTED]>: Is there a technical reason ("hard to implement" is a practical reason) why all stacks need to be the same size? Because of static inline struct thread_info *current_thread_info(void) { struct

Re: RFC: i386: kill !4KSTACKS

2005-09-08 Thread Bill Davidsen
e way Linux is, and which are compatible with each other mainly at the acronym level, all are called BSD. Question: does colinux get around all this crap by using the Windows drivers and running in essentially microkernel mode? Windows as the new NDISwrapper ;-) -- -bill davidsen ([EMAIL PR

Re: RFC: i386: kill !4KSTACKS

2005-09-08 Thread Bill Davidsen
a viable alternative? It's not old hardware that's the problem, it's new hardware which isn't supported. And unlike desktops, there's a lot less in the way of hardware options on a lappie, you take what you get, you get what you can afford, and often that means running on what someone else c

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