Re: raid1 with nbd member hangs MD on SLES10 and RHEL5

2007-06-14 Thread Bill Davidsen
the kernel didn't return an error back to userspace). Also, MD is still blocking waiting to write the superblock (presumably to nbd0). -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send

Re: raid5: coding style cleanup / refactor

2007-06-14 Thread Bill Davidsen
series is still passing my tests and Neil's tests in mdadm. When you are ready for wider testing, if you have a patch against a released kernel it makes testing easy, characteristics are pretty well known already. -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting

Re: raid1 with nbd member hangs MD on SLES10 and RHEL5

2007-06-15 Thread Bill Davidsen
Paul Clements wrote: Bill Davidsen wrote: Second, AFAIK nbd hasn't working in a while. I haven't tried it in ages, but was told it wouldn't work with smp and I kind of lost interest. If Neil thinks it should work in 2.6.21 or later I'll test it, since I have a machine which wants a fresh

Re: limits on raid

2007-06-17 Thread Bill Davidsen
, I gave you two thoughts, one which would be slow until a repair but sounds easy to do, and one which is slightly harder but works better and minimizes performance impact. -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small computers since 1979

Re: limits on raid

2007-06-17 Thread Bill Davidsen
to a maintinance window and then recreate the array and reload from backup. -- 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

Re: limits on raid

2007-06-21 Thread Bill Davidsen
I didn't get a comment on my suggestion for a quick and dirty fix for -assume-clean issues... Bill Davidsen wrote: Neil Brown wrote: On Thursday June 14, [EMAIL PROTECTED] wrote: it's now churning away 'rebuilding' the brand new array. a few questions/thoughts. why does it need to do

Re: limits on raid

2007-06-22 Thread Bill Davidsen
for improvement. -- 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 at http://vger.kernel.org

Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-05-31 Thread Bill Davidsen
should come back from the physical i/o request. For 'iscsi', I guess it works just the same as SCSI... Hopefully. -- 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

Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-05-31 Thread Bill Davidsen
proposed a project which uses one? :-( I think the goal is good, more choice is almost always better choice, I just want to be sure there won't be big disk performance regressions. -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small computers since

Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-06-01 Thread Bill Davidsen
Jens Axboe wrote: On Thu, May 31 2007, Bill Davidsen wrote: Jens Axboe wrote: On Thu, May 31 2007, David Chinner wrote: On Thu, May 31, 2007 at 08:26:45AM +0200, Jens Axboe wrote: On Thu, May 31 2007, David Chinner wrote: IOWs, there are two

Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-06-01 Thread Bill Davidsen
anything special about getting it onto the media. My impression is that the sync will return when the i/o has been delivered to the device, and will get special treatment by the elevator code (I looked quickly, more is needed). I'm sore someone will tell me if I misread this. ;-) -- bill

Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-06-01 Thread Bill Davidsen
. Battery backed cache doesn't prevect failures between the cache and the platter. -- 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

Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-06-02 Thread Bill Davidsen
Jens Axboe wrote: On Fri, Jun 01 2007, Bill Davidsen wrote: Jens Axboe wrote: On Thu, May 31 2007, Bill Davidsen wrote: Jens Axboe wrote: On Thu, May 31 2007, David Chinner wrote: On Thu, May 31, 2007 at 08:26:45AM +0200, Jens Axboe wrote

Re: scheduling oddity on 2.6.20.3 stock

2007-06-02 Thread Bill Davidsen
of concept for a pthreads presentation I was giving, and it happened to be useful. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux

glitch1 results - 2.6.21.3-cfs-v15

2007-06-04 Thread Bill Davidsen
relatively light load: nice -10 make -j4 -s of a kernel would cause jumps on the video, gears or youtube. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send

Re: [2.6.21.1] resume doesn't run suspended kernel?

2007-06-05 Thread Bill Davidsen
Stefan Seyfried wrote: Hi, On Sat, May 26, 2007 at 06:42:37PM -0400, Bill Davidsen wrote: I was testing susp2disk in 2.6.21.1 under FC6, to support reliable computing environment (RCE) needs. The idea is that if power fails, after some short time on UPS the system does susp2disk with a time

Re: [Patch 04/18] include/linux/logfs.h

2007-06-05 Thread Bill Davidsen
kernel, or that it should be added to gcc, but in some use like embedded applications where memory use is an important cost driver, people are probably doing it already by hand to pack struct arrays into minimal bytes. It's neither impossible nor totally useless. -- bill davidsen [EMAIL

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-06-06 Thread Bill Davidsen
. Not an easy thing to do, but probably very complementary to your work IMHO. Agree, not easy at all. -- 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

Re: [md-accel PATCH 00/19] md raid acceleration and the async_tx api

2007-06-27 Thread Bill Davidsen
run in production with just one patchset added. There are enough other changes in an -rc to confuse the issue, and I don't run them in production (at least not usually). -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small computers since 1979

Re: How would I do this? (expert tricks) OT

2007-06-27 Thread Bill Davidsen
you can use redirect to send it to a program of your choosing, which can run a script if you really want to. Beware that rate limiting is desirable if you are going to start a process for ANY type of attack packets. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling

Re: Question about fair schedulers

2007-06-27 Thread Bill Davidsen
it, if you have more jobs than CPU no scheduler is going to make you really happy. Alberto. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line

Re: New format Intel microcode...

2007-06-28 Thread Bill Davidsen
fixed. However, it listed only Windows related sites for the fix download. Is this the same TLB issue? And are these really fixes for Windows to flush the TLB properly the way Linux does? -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from

Re: New format Intel microcode...

2007-06-28 Thread Bill Davidsen
if not security. I worry that an old 2.4 kernel would be an issue, even in kvm, if that were the case. -- 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

Re: man-pages-2.59 and man-pages-2.60 are released

2007-06-28 Thread Bill Davidsen
be a single step added to an automated procedure. You could have a link in Old as requested, and any other links as well. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from

Re: New format Intel microcode...

2007-06-28 Thread Bill Davidsen
any details? One of the folks in a chat was saying something similar, but thought that causing as crash was the extent of it, rather than any access violation. Obviously I don't know the extent of that claim, so more information would be good. -- Bill Davidsen [EMAIL PROTECTED] We have more

Re: [patch] CFS scheduler, -v18

2007-07-02 Thread Bill Davidsen
. Especially the desktop is noticably smoother. Thanks! Kind regards, Vegard Nossum -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe

Re: Old bug in tg3 driver unfixed?

2007-07-02 Thread Bill Davidsen
in a system, but I didn't find it quickly, it may be at another location, unless the controller which shows up as 3C940 on my ASUS P4P800 is the Broadcom. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked

Re: [2.6 patch] the overdue eepro100 removal

2007-07-02 Thread Bill Davidsen
to support new cards for this chip. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED

Re: Suspend2 is getting a new name.

2007-07-02 Thread Bill Davidsen
kernel. :-( -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo

Re: [PATCH] ata: Add the SW NCQ support to sata_nv for MCP51/MCP55/MCP61

2007-07-05 Thread Bill Davidsen
patches there as well. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More

Re: blink driver power saving

2007-07-05 Thread Bill Davidsen
or lower than the pseudo disk light (or not). /not nice -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-22 Thread Bill Davidsen
Miguel Figueiredo wrote: Bill Davidsen wrote: I generated a table of results from the latest glitch1 script, using an HTML postprocessor I not *quite* ready to foist on the word. In any case it has some numbers for frames per second, fairness of the processor time allocated to the compute

lzo code

2007-05-22 Thread Bill Davidsen
It is derived from original LZO 2.02 code found at: http://www.oberhumer.com/opensource/lzo/download/ The code has also been reformatted to match general kernel style. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations

Re: Increased ipw2200 power usage with dynticks

2007-05-22 Thread Bill Davidsen
for ipw2200 (and probably many other things). Dare we hope that this will allow use of USB on laptops without draining the battery? -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-22 Thread Bill Davidsen
conditions as I did let me know your results. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL

Re: Software raid0 will crash the file-system, when each disk is 5TB

2007-05-22 Thread Bill Davidsen
://vger.kernel.org/majordomo-info.html -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL

Re: SideWinder GameVoice driver

2007-05-22 Thread Bill Davidsen
description it sounds as though it would be useful in applications where voice connect was useful and visual wasn't, such as blind users and embedded applications where a USB pluggable interface might be useful in unusual situations. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from

Re: [patch] CFS scheduler, -v13

2007-05-22 Thread Bill Davidsen
with heavy JS and or flash usage. Mouse movement is pathetic and audio starts to skip. I haven't face this behavior with CFS till v11. 'm not seeing this, do have a site or two as examples? -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from

Re: Scheduling tests on IPC methods, fc6, sd0.48, cfs12

2007-05-22 Thread Bill Davidsen
Ingo Molnar wrote: * Bill Davidsen [EMAIL PROTECTED] wrote: I have posted the results of my initial testing, measuring IPC rates using various schedulers under no load, limited nice load, and heavy load at nice 0. http://www.tmr.com/~davidsen/ctxbench_testing.html nice! For this to become

Re: Scheduling tests on IPC methods, fc6, sd0.48, cfs12

2007-05-22 Thread Bill Davidsen
William Lee Irwin III wrote: On Thu, May 17, 2007 at 07:26:38PM -0400, Bill Davidsen wrote: I have posted the results of my initial testing, measuring IPC rates using various schedulers under no load, limited nice load, and heavy load at nice 0. http://www.tmr.com/~davidsen

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-22 Thread Bill Davidsen
Miguel Figueiredo wrote: Bill Davidsen wrote: Miguel Figueiredo wrote: Ray Lee wrote: On 5/20/07, Miguel Figueiredo [EMAIL PROTECTED] wrote: As I tryied myself kernels 2.6.21, 2.6.21-cfs-v13, and 2.6.21-ck2 on the same machine i found *very* odd those numbers you posted, so i tested myself

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-23 Thread Bill Davidsen
I was unable to reproduce the numbers Miguel generated, comments below. The -ck2 patch seems to run nicely, although the memory repopulation from swap would be most useful on system which have a lot of memory pressure. Bill Davidsen wrote: Miguel Figueiredo wrote: Hi Bill, if i've

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-23 Thread Bill Davidsen
Con Kolivas wrote: On Wednesday 23 May 2007 10:28, Bill Davidsen wrote: kernel2.6.21-cfs-v132.6.21-ck2 a)194464254669 b)54159124 Everyone seems to like ck2, this makes it look as if the video display would be really pretty unusable. While sd-0.48 does

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-23 Thread Bill Davidsen
old boy and several cans of high caffeine soda, is used for. ;-) Anyway, I'm still in the process of collecting data or more precisely until recently constantly refined what data to collect and how. I plan to provide new benchmark results on CPU intensive tasks in a couple of days. -- bill

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-23 Thread Bill Davidsen
Miguel Figueiredo wrote: Bill Davidsen wrote: I was unable to reproduce the numbers Miguel generated, comments below. The -ck2 patch seems to run nicely, although the memory repopulation from swap would be most useful on system which have a lot of memory pressure. I spent a few hours

Re: Race free attributes in sysfs

2007-05-26 Thread Bill Davidsen
that it either can't happen because {reason} or that if it does the result will be {description}. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line

Re: 2.6.21.1 on Fedora Core 6 breaks LVM/vgscan

2007-05-26 Thread Bill Davidsen
. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http

Re: IDE/ATA: Intel i865-based mainboard, CDROM not detected

2007-05-26 Thread Bill Davidsen
in POST at cold boot. It may need some BIOS setting to be visible. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel

Re: [PATCH 2/3] Unify dma blacklist in ide-dma.c and libata-core.c

2007-05-26 Thread Bill Davidsen
Junio C Hamano wrote: This introduces a shared header file that defines the entries for two dma blacklists in ide-dma.c and libata-core.c to make it easier to keep them in sync. Why wasn't this done this way in the first place? Out of tree development for libata or something? -- Bill

[2.6.21.1] resume doesn't run suspended kernel?

2007-05-26 Thread Bill Davidsen
. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http

Documentation on /sys/power/resume

2007-05-26 Thread Bill Davidsen
Not in the ABI doc, is there and doc at all, and if not could someone who knows where it's used might give me a hint, as a quick look didn't bring enlightenment. Or is it a future hook which doesn't work yet? -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling

Re: Documentation on /sys/power/resume

2007-05-27 Thread Bill Davidsen
Rafael J. Wysocki wrote: Hi, On Sunday, 27 May 2007 01:51, Bill Davidsen wrote: Not in the ABI doc, is there and doc at all, and if not could someone who knows where it's used might give me a hint, as a quick look didn't bring enlightenment. Or is it a future hook which doesn't work yet

Re: [2.6.21.1] resume doesn't run suspended kernel?

2007-05-27 Thread Bill Davidsen
David Greaves wrote: Bill Davidsen wrote: Anyway, I pulled the plug on the UPS, and the system shut down. But when it powered up, it booted the default kernel rather than the test kernel, decided that it couldn't resume, and then did a cold boot. Booting the machine isn't the kernel's job

Re: Documentation on /sys/power/resume

2007-05-27 Thread Bill Davidsen
Rafael J. Wysocki wrote: On Sunday, 27 May 2007 14:53, Bill Davidsen wrote: Rafael J. Wysocki wrote: Hi, On Sunday, 27 May 2007 01:51, Bill Davidsen wrote: Not in the ABI doc, is there and doc at all, and if not could someone who knows where it's used might give me a hint

Re: [2.6.21.1] resume doesn't run suspended kernel?

2007-05-27 Thread Bill Davidsen
Pavel Machek wrote: On Sat 2007-05-26 18:42:37, Bill Davidsen wrote: I was testing susp2disk in 2.6.21.1 under FC6, to support reliable computing environment (RCE) needs. The idea is that if power fails, after some short time on UPS the system does susp2disk with a time set, and boots

Re: [2.6.21.1] resume doesn't run suspended kernel?

2007-05-28 Thread Bill Davidsen
Bill Davidsen wrote: Pavel Machek wrote: On Sat 2007-05-26 18:42:37, Bill Davidsen wrote: I was testing susp2disk in 2.6.21.1 under FC6, to support reliable computing environment (RCE) needs. The idea is that if power fails, after some short time on UPS the system does susp2disk with a time

Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-05-28 Thread Bill Davidsen
in each f/s to cope with odd behavior. -- 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

What causes iowait other than waiting for i/o?

2007-05-28 Thread Bill Davidsen
time to iowait instead of system I don't see anything to fix, but I would like to understand. -- 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

Re: Linux v2.6.22-rc3

2007-05-28 Thread Bill Davidsen
birds with a single store, but will avoid having to re-solve the problem at sometime in the future. That's good software! -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from

Re: stuff ready to be deleted?

2007-05-28 Thread Bill Davidsen
Linux code, including x86_64 3D drivers, was released in April, so there's no lack of new features and activity. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list

Re: What causes iowait other than waiting for i/o?

2007-05-29 Thread Bill Davidsen
Satyam Sharma wrote: Hi Bill, On 5/29/07, Bill Davidsen [EMAIL PROTECTED] wrote: I recently noted that my system was spending a lot of time in i/o wait when doing some tasks which I thought didn't involve i/o, as noted by the lack of disk light activity most of the time. I thought of network

Re: What causes iowait other than waiting for i/o?

2007-05-29 Thread Bill Davidsen
Rik van Riel wrote: Bill Davidsen wrote: I recently noted that my system was spending a lot of time in i/o wait when doing some tasks which I thought didn't involve i/o, as noted by the lack of disk light activity most of the time. I thought of network, certainly the NIC had no activity

Re: 2.6.21.1 - 97% wait time on IDE operations

2007-05-29 Thread Bill Davidsen
rpm drive. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo

Re: [patch] CFS scheduler, -v19

2007-07-13 Thread Bill Davidsen
Ingo Molnar wrote: * Bill Davidsen [EMAIL PROTECTED] wrote: I've taken mainline git tree (freshly integrated CFS!) out for a multimedia spin. I tested watching movies and listenign to music in the presence of various sleep/burn loads, pure burn loads, and mixed loads. All was peachy here

Re: [patch] CFS scheduler, -v19

2007-07-16 Thread Bill Davidsen
Ingo Molnar wrote: * Chuck Ebbert [EMAIL PROTECTED] wrote: On 07/13/2007 05:19 PM, Bill Davidsen wrote: I should really go back to 2.6.21.6, 2.6.22 has many bizarre behaviors with FC6. Automount starts taking 30% of CPU (unused at the moment) Can you confirm whether CFS

Re: [patch] CFS scheduler, -v19

2007-07-17 Thread Bill Davidsen
it by default, but I have nothing using at on my test machine. Why is it looping so fast when there are no mount points defined? If the config changes there's no requirement to notice right away, is there? -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small

Re: [patch] CFS scheduler, -v19

2007-07-18 Thread Bill Davidsen
. Allow it to be selected by the features so that admins can evaluate the implications without a reboot? That would be a convenient interface if you could provide it. -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small computers since 1979

Re: [patch] CFS scheduler, -v19

2007-07-18 Thread Bill Davidsen
Linus Torvalds wrote: On Tue, 17 Jul 2007, Ingo Molnar wrote: * Ian Kent [EMAIL PROTECTED] wrote: In several places I have code similar to: wait.tv_sec = time(NULL) + 1; wait.tv_nsec = 0; Ok, that definitely should work. Does the patch below help? Spectacularly no! With

Re: [patch] CFS scheduler, -v19

2007-07-19 Thread Bill Davidsen
Ingo Molnar wrote: * Bill Davidsen [EMAIL PROTECTED] wrote: Does the patch below help? Doesn't seem to apply against 2.6.22.1, I'm trying 2.6.22.6 as soon as I recreate it. Spectacularly no! With this patch the glitch1 script with multiple scrolling windows has all xterms and glxgears

Re: [patch] CFS scheduler, -v19

2007-07-19 Thread Bill Davidsen
Bill Davidsen wrote: Ingo Molnar wrote: * Bill Davidsen [EMAIL PROTECTED] wrote: Does the patch below help? Doesn't seem to apply against 2.6.22.1, I'm trying 2.6.22.6 as soon as I recreate it. Applied to 2.6.22-git9, building now. - To unsubscribe from this list: send the line

Re: [patch] CFS scheduler, -v19

2007-07-19 Thread Bill Davidsen
Ingo Molnar wrote: * Bill Davidsen [EMAIL PROTECTED] wrote: Does the patch below help? Spectacularly no! With this patch the glitch1 script with multiple scrolling windows has all xterms and glxgears stop totally dead for ~200ms once per second. I didn't properly test anything else after

[RFC] what should 'uptime' be on suspend?

2007-07-19 Thread Bill Davidsen
the original boot - total uptime since first boot, not counting the time suspended - time since resume - some other time around six minutes Any of the first three could be useful and right for some casesm thus discussion invited. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from

Where did KVM go in 2.6.22-git9?

2007-07-19 Thread Bill Davidsen
what depends have changed with each release. I see KVm depends on X86_CMPXCHG64 which simply doesn't seem to be defined directly anywhere. Going back to 2.6.21.6 until whatever changed is at least documented. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling

Re: mkfs.ext2 triggerd RAM corruption

2007-05-07 Thread Bill Davidsen
versions: vanilla 2.6.16 - 2.6.20 (2.6.16 doesn't run on any of the systems I can do tests with). Please note: I could reproduce this on serveral systems, all of them use ECC memory and the memory of most of them the memory is monitored using EDAC. -- Bill Davidsen [EMAIL PROTECTED] We have more

Preempt of BKL and with tickless systems

2007-05-08 Thread Bill Davidsen
waiting for me to run my numbers with all values of HZ and not, and tell the world what I found? ;-) -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send

Some CFS and sd04[68] results for kernel build

2007-05-08 Thread Bill Davidsen
I have a results page here, I will repeat tests with tuning if asked. http://www.tmr.com/~davidsen/Kernel%20build%20time%20results.html -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send

Re: Preempt of BKL and with tickless systems

2007-05-10 Thread Bill Davidsen
Lee Revell wrote: On 5/8/07, Bill Davidsen [EMAIL PROTECTED] wrote: I think I have a reasonable grip on the voluntary and full preempt models, can anyone give me any wisdom on the preempt of the BKL? I know what it does, the question is where it might make a difference under normal loads

Re: [PATCH] volatile considered harmful document

2007-05-10 Thread Bill Davidsen
to be a +stupid legacy issue in this regard. It would seem that any variable which is (a) subject to change by other threads or hardware, and (b) the value of which is going to be used without writing the variable, would be a valid use for volatile. -- Bill Davidsen [EMAIL PROTECTED] We have more

Re: [PATCH] volatile considered harmful document

2007-05-13 Thread Bill Davidsen
Krzysztof Halasa wrote: Robert Hancock [EMAIL PROTECTED] writes: You don't need volatile in that case, rmb() can be used. rmb() invalidates all compiler assumptions, it can be much slower. Yes, why would you use rmb() when a read of a volatile generates optimal code? -- bill

Re: 3 years since last 2.2 release, why still on kernel.org main page?

2007-05-13 Thread Bill Davidsen
a handy place to the the current 2.2 kernel, which some people run for reasons which are valid to them. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send

Re: [PATCH] swsusp: Use platform mode by default

2007-05-13 Thread Bill Davidsen
is that it's been a problem on and off and when it breaks people don't bother to chase it, they just don't use it unless it's critical, or they install suspend2. I only suggest that if 'platform' is more correct use that, don't change it again. Then fix platform. -- Bill Davidsen [EMAIL

Re: upgrade linux kernel

2007-05-13 Thread Bill Davidsen
later kernels when my development machine went down. I got 2.5.52 to boot, last stable was 2.5.47-ac6 and I gave up. Unless you have some major need to upgrade the kernel without the distribution, grab the latest RH kernel, or use the latest 2.4 kernel available. -- Bill Davidsen [EMAIL

Re: undeprecate raw driver.

2007-05-14 Thread Bill Davidsen
. in short, do *not* remove its deprecated status. rather, remove its obsolete status and *make* it deprecated. Correct. Like the weird lady next door who fancies you, it's old, it's ugly, but it's not likely to go away any time soon. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from

Re: [PATCH] volatile considered harmful document

2007-05-14 Thread Bill Davidsen
Jeff Garzik wrote: On Sun, May 13, 2007 at 07:26:13PM -0400, Bill Davidsen wrote: Krzysztof Halasa wrote: Robert Hancock [EMAIL PROTECTED] writes: You don't need volatile in that case, rmb() can be used. rmb() invalidates all compiler assumptions, it can be much

Re: Software raid0 will crash the file-system, when each disk is 5TB

2007-05-16 Thread Bill Davidsen
. Can you collect and post those. Both for the failing case (2*5.5T) and the working case (4*2.55T) is possible. -- 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

Scheduler responsiveness under load

2007-05-17 Thread Bill Davidsen
I am just running a new series of response tests, which I expect to send to the list today or tomorrow. It includes operating at some high (LA20) loads, and gathering reproducible statistics. In the process I used the file completion feature while load was high, and noted that with sd0.48

Scheduling tests on IPC methods, fc6, sd0.48, cfs12

2007-05-17 Thread Bill Davidsen
I have posted the results of my initial testing, measuring IPC rates using various schedulers under no load, limited nice load, and heavy load at nice 0. http://www.tmr.com/~davidsen/ctxbench_testing.html -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things

Re: [PATCH] volatile considered harmful, take 3

2007-05-17 Thread Bill Davidsen
is a poor way to get innovation, and a good way to have a bunch of know legible people shoot down bad ideas. It was a fun experience, where I first learned the modern equivalent of Occam's Razor, Plauger's Law of least astonishment, which compiler writers regularly violate :-( -- Bill Davidsen

Re: [1/2] 2.6.22-rc1: known regressions

2007-05-17 Thread Bill Davidsen
There is currently zero proof that this has anything to do with I2C. I believe in another thread this has been traced to a change in the interface and can be solved with an upgrade for the applet. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from

glitch1 v1.6 script update and results on cfs-v13

2007-05-18 Thread Bill Davidsen
machines, with dual-core, hyperthreaded uni, and pure uni. Unless I see a hint that one of these cases is handled less well than the others I won't compare. -- Bill Davidsen He was a full-time professional cat, not some moonlighting ferret or weasel. He knew about these things. glitch1.sh

Re: [Bugme-new] [Bug 8479] New: gettimeofday returning 1000000 in tv_usec on core2duo

2007-05-19 Thread Bill Davidsen
, if it isn't already there. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More

Re: [PATCH] LogFS take three

2007-05-19 Thread Bill Davidsen
hasn't been adapter for 'Boston legal' and 'Law and Order' like other high profile crimes. I see nothing wrong with jörnfs, and there's room for numbers at the end... -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations

Re: [PATCH] LogFS take three

2007-05-19 Thread Bill Davidsen
workload where sequential write is dominant. I also expect that FTL for PC environment will have better quality spec than the disposable storage. The recent technology announcements from Intel are encouraging in that respect. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from

Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-19 Thread Bill Davidsen
developers would like me to try other tunings or new versions let me know. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked. - from Slashdot - To unsubscribe from this list: send the line unsubscribe linux-kernel

Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

2007-05-19 Thread Bill Davidsen
Ray Lee wrote: On 5/19/07, Bill Davidsen [EMAIL PROTECTED] wrote: I generated a table of results from the latest glitch1 script, using an HTML postprocessor I not *quite* ready to foist on the word. In any case it has some numbers for frames per second, fairness of the processor time allocated

Scheduler smoothness and fairness - results and package

2007-05-22 Thread Bill Davidsen
(32 bit) mode, I'm now off to rerun in x86_64 mode, and on a single CPU hyperthreaded machine, and a pure uniprocessor. I'm going to create a page for all the results in one place for anyone who cares. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling

[REPORT] 2.6.21 vs. 2.6.21-sd046 vs. 2.6.21-CFSv7

2007-04-30 Thread Bill Davidsen
with server load later this week, have to add disk for the database. Hope this initial report is useful, I may be able to update ctxbench later today and try that. -- Bill Davidsen [EMAIL PROTECTED] We have more to fear from the bungling of the incompetent than from the machinations of the wicked

Re: [REPORT] 2.6.21 vs. 2.6.21-sd046 vs. 2.6.21-CFSv7

2007-04-30 Thread Bill Davidsen
Bill Davidsen wrote: System: Intel 6600 Core2duo, 2GB RAM, X nice 0 for all tests, display using i945G framebuffer Test: playing a 'toon with mplayer while kernel build -j20 running. Tuning: not yet, all scheduler parameters were default Result: base 2.6.21 showed some pauses and after

Re: [REPORT] 2.6.21 vs. 2.6.21-sd046 vs. 2.6.21-CFSv7

2007-05-02 Thread Bill Davidsen
Bill Huey (hui) wrote: On Mon, Apr 30, 2007 at 03:58:45PM -0400, Bill Davidsen wrote: Followup: I reran with sd-0.46, setting rr_interval to 40, and then 5 (default was 16). Neither appeared to give a useful video playback. I did try setting the make to nice 10, and that made the playback

Re: [REPORT] 2.6.21 vs. 2.6.21-sd046 vs. 2.6.21-CFSv7

2007-05-02 Thread Bill Davidsen
Con Kolivas wrote: On Tuesday 01 May 2007 05:29, Bill Davidsen wrote: System: Intel 6600 Core2duo, 2GB RAM, X nice 0 for all tests, display using i945G framebuffer Bill thanks for testing. Test: playing a 'toon with mplayer while kernel build -j20 running. Umm I don't think

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