Re: Disabling x86 System Management Mode

2007-04-16 Thread Lee Revell
On 4/16/07, John [EMAIL PROTECTED] wrote: Chipset: VIA Pro133T http://www.via.com.tw/en/products/chipsets/legacy/pro133/ VT82C694T north bridge + VT82C686B south bridge AFAIU, the south bridge can be a source of SMIs. Can the north bridge also be a source of SMIs? What I/O ports do I need to

Re: ZFS with Linux: An Open Plea

2007-04-16 Thread Lee Revell
On 4/16/07, Bernd Eckenfels [EMAIL PROTECTED] wrote: In article [EMAIL PROTECTED] you wrote: I meant that the central requirement on the design and implementation of audio subsystems is an (ideally guaranteed) bounded maximum of latencies; and that's exactly the major point where I heard that

Re: Renice X for cpu schedulers

2007-04-19 Thread Lee Revell
On 4/19/07, Peter Williams [EMAIL PROTECTED] wrote: PS I think that the tasks most likely to be adversely effected by X's CPU storms (enough to annoy the user) are audio streamers so when you're doing tests to determine the best nice value for X I suggest that would be a good criterion. Video

Re: Question about Reiser4

2007-04-22 Thread Lee Revell
On 4/22/07, Eric Hopper [EMAIL PROTECTED] wrote: I'm not an LKML subscriber. Did you try searching LKML archives? Lee - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: KVM and rtc missing interupts 2.6.21-rc3

2007-03-08 Thread Lee Revell
On 3/8/07, Roland Dreier [EMAIL PROTECTED] wrote: When ever I try and start a guest OS with kvm I get a lot of these rtc missing interupt messages from the kernel [ 468.510878] rtc: lost some interrupts at 1024Hz. I started to debug this a little while ago but I never got too far.

Re: ABI coupling to hypervisors via CONFIG_PARAVIRT

2007-03-09 Thread Lee Revell
On 3/9/07, Jan Engelhardt [EMAIL PROTECTED] wrote: I think the sound example to the right really shows it. /dev/dsp has a consistent ABI on a ton of systems. The API below it, varies. Linux got file_operations and ALSA. Solaris/BSD may have its vnode-and-so-on-functions and some sort of OSS. I

Re: /sys/devices/system/cpu/cpuX/online are missing

2007-03-11 Thread Lee Revell
On 3/11/07, Giuliano Pochini [EMAIL PROTECTED] wrote: Since 2.6.20 /sys/devices/system/cpu/cpuX/online isn't there anymore. The directories exist, though. I also tested linux-2.6.21rc3. I had a look at the archives and I found nothing about the removal of that file, which is still documented

Re: RSDL for 2.6.21-rc3- 0.29

2007-03-12 Thread Lee Revell
On 3/12/07, Gene Heskett [EMAIL PROTECTED] wrote: On Monday 12 March 2007, Douglas McNaught wrote: Gene Heskett [EMAIL PROTECTED] writes: I'd considered it, but with 32 dle entries, the whole strace output would be terrabytes I don't have THAT much disk. Not to mention it traces only the

Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

2007-03-12 Thread Lee Revell
On 3/12/07, David Lang [EMAIL PROTECTED] wrote: the problem comes when this isn't enough. if you have several CPU hogs on a system, and they are all around the same priority level, how can the scheduler know which one needs the CPU the most for good interactivity? in some cases you may be able

Re: [ck] RSDL v0.30 cpu scheduler for mainline kernels

2007-03-13 Thread Lee Revell
On 3/13/07, Ash Milsted [EMAIL PROTECTED] wrote: Desktop use whilst talking on Wengophone (run at nice -5): Under RSDL some GUI use e.g. opening a new folder in nautilus causes pops (buffer underruns) which do not occur with mainline. I suppose the changes in RSDL might require a lower nice

Re: [ck] RSDL v0.30 cpu scheduler for mainline kernels

2007-03-13 Thread Lee Revell
On 3/13/07, Chris Friesen [EMAIL PROTECTED] wrote: Lee Revell wrote: Sounds like Wengophone is broken. It should be using RT threads for time critical work, as JACK and Ardour2 are doing. If the app has root privileges to set RT policy, then it could also set deeply negative nice values

Re: Conflict between ide and usb?

2007-03-16 Thread Lee Revell
On 3/16/07, John Coppens [EMAIL PROTECTED] wrote: The problem I have, is that when I copy a file from a DVD to harddisk, the internet connection almost dies (it slows down terribly, so much so that established connections actually disconnect, ping looses packets, DNS lookup fails, etc). After

Re: FW: UI getting killed randomely on Fedora machines

2007-02-15 Thread Lee Revell
On 2/15/07, Brian D. McGrew [EMAIL PROTECTED] wrote: Good morning all, We're seeing a problem where an application is being killed from what appears to be an out of memory issue. Can anyone offer any insight on this for me? See Documentation/vm/overcommit-accounting. Lee - To unsubscribe

Re: GPL vs non-GPL device drivers

2007-02-15 Thread Lee Revell
On 2/15/07, Greg Trounson [EMAIL PROTECTED] wrote: Theodore Tso wrote: On Wed, Feb 14, 2007 at 10:27:10PM -0800, v j wrote: You are right. I have not contributed anything to Linux. Except one small patch to the MTD code. However, I don't think that is the point here. I am perfectly willing

Re: GPL vs non-GPL device drivers

2007-02-15 Thread Lee Revell
On 2/15/07, Greg Trounson [EMAIL PROTECTED] wrote: I wasn't disputing legal problems with proprietary drivers nor suggesting people ignore the issue. I was trying to make the point that Linux is adversely affected when lots of users, proprietary developers or otherwise, abandon Linux, and the

Re: Analog-to-Digital Converter (ADC) driver

2007-02-17 Thread Lee Revell
On 2/17/07, Mockern [EMAIL PROTECTED] wrote: Hello, Where I can find any ADC driver example? Depending on what kind of ADC and what you want to do with it, anything from a simple char device to an ALSA driver could be appropriate. Can you provide more information? Lee - To unsubscribe from

Re: RSDL v0.31

2007-03-18 Thread Lee Revell
On 3/17/07, Mike Galbraith [EMAIL PROTECTED] wrote: P.S. utter failure was too harsh. What sticks in my craw is that the world has to adjust to fit this new scheduler. I have never seen X run nearly as smooth as our favorite proprietary OS on similar spec hardware with ANY scheduler. Lee -

Re: [BUG] 2.6.21-rc1,2,3 regressions on my system that I found so far

2007-03-19 Thread Lee Revell
On 3/16/07, Thomas Gleixner [EMAIL PROTECTED] wrote: Yes, this is probably caused by SMM code trying to emulate a PS/2 keyboard from a (maybe connected or not) USB keyboard. Unfortunately we have no way to disable this BIOS misfeature in the early boot process.

Re: how can I touch softlockup watchdog on all cpus?

2007-03-22 Thread Lee Revell
On 3/22/07, Cestonaro, Thilo (external) [EMAIL PROTECTED] wrote: You didn't explain _why_ you need to sleep for such a long time, and as you didn't give a pointer to your code, there's not much people can do to recommend changes other than don't do that. The code which is executed between

Re: how can I touch softlockup watchdog on all cpus?

2007-03-22 Thread Lee Revell
On 3/22/07, Cestonaro, Thilo (external) [EMAIL PROTECTED] wrote: Just disable the softlockup watchdog. Thx for your answer, but this is no option for me, as I said in my first post :(. Sounds like you have a fundamentally incompatible set of requirements. Why do you need the softlockup

Re: [2.6.22 patch] more scheduled OSS driver removal

2007-03-25 Thread Lee Revell
On 3/25/07, Richard Knutsson [EMAIL PROTECTED] wrote: Adrian Bunk wrote: This patch contains the scheduled removal of OSS drivers that: - have ALSA drivers for the same hardware without known regressions and - whose Kconfig options have been removed in 2.6.20. Sorry for this late respond Is

Re: [2.6.22 patch] more scheduled OSS driver removal

2007-03-26 Thread Lee Revell
On 3/26/07, Richard Knutsson [EMAIL PROTECTED] wrote: I guess he's referring to the well known Master volume only controls front output problem. This really does need to be resolved, as many other ALSA drivers are effected. rant_mode=on Isn't this quite a basic feature?! Is there somewhere

Re: Security computation within Linux kernel

2007-04-08 Thread Lee Revell
On 4/8/07, JanuGerman [EMAIL PROTECTED] wrote: Hi every one, I have one question regarding security libraries, already shipped with Linux Kernel. That is, all PKI, RSA libraries, as provided by OpenSSL are already integrated within the linux kernel source code? OR, one have to use OpenSSL

Re: High CPU usage with sata_nv

2007-02-21 Thread Lee Revell
On 2/21/07, Matthew Fredrickson [EMAIL PROTECTED] wrote: It's a 2.6.18 kernel. What we're seeing (by means of the interrupt pin on another card) is extremely large interrupt latency (measured from the time the interrupt pin goes low to the first couple lines of code in the IRQ handler to clear

Re: Sound 2.6.19: Soundcard driver often fail to load?

2007-02-28 Thread Lee Revell
On 2/27/07, Veronique Vincent [EMAIL PROTECTED] wrote: Maybie the Fedora team should use the asound.conf configuration instead? This doesn't work for apps that use the deprecated /dev/dsp API. Of course, a modern distro should be trying to purge these anyway... Lee - To unsubscribe from

Re: 3c905B - Transmit error, Tx status register 82

2007-03-01 Thread Lee Revell
On 3/1/07, WHITE, JOE (ASI-AIT) [EMAIL PROTECTED] wrote: Mar 1 09:44:04 thor kernel: Probably a duplex mismatch. See Documentation/networking/vortex.txt Um... did you check Documentation/networking/vortex.txt? 261 Transmit error, Tx status register 82 262

Re: 3c905B - Transmit error, Tx status register 82

2007-03-01 Thread Lee Revell
On 3/1/07, WHITE, JOE (ASI-AIT) [EMAIL PROTECTED] wrote: Lee, Thanks for the reply. We have tried moving my network connection to a new switch, replaced the cables, but still getting that error. What do I do with that command options 3c59x full_duplex=1, where do I put it? Bare with me as I

Re: userspace pagecache management tool

2007-03-03 Thread Lee Revell
On 3/3/07, Andrew Morton [EMAIL PROTECTED] wrote: The tool uses an LD_PRELOAD hack to intercept glibc's read(), pread(), write(), pwrite(), close() and dup2() functions. pagecache control is done via posix_fadvise() and sync_file_range(). How could this have any effect on the updatedb

Re: Question: work_queue or kthreads

2007-03-03 Thread Lee Revell
On 3/3/07, Mockern [EMAIL PROTECTED] wrote: hi, I need to use something like the work_queue to separate my ISR and long time sending data function in my driver. I noticed, that after using work_queue my driver became slow than it was before. Should I use kthreads to make it faster or

Re: userspace pagecache management tool

2007-03-03 Thread Lee Revell
On 3/3/07, Andrew Morton [EMAIL PROTECTED] wrote: But yes, updatedb's pagecache usage will be mainly metadata, and this tool doesn't address metadata pagecache, although it could do so. With no kernel changes? How? I can't find an equivalent API to posix_fadvise() for metadata. Lee - To

Re: [IPW3945] Can't load microcode

2007-03-04 Thread Lee Revell
On 3/4/07, Patrick Ale [EMAIL PROTECTED] wrote: ieee80211_crypt: registered algorithm 'NULL' ieee80211: 802.11 data/management/control stack, git-1.1.13 ieee80211: Copyright (C) 2004-2005 Intel Corporation [EMAIL PROTECTED] ipw3945: Intel(R) PRO/Wireless 3945 Network Connection driver for Linux,

Re: [ANNOUNCE] RSDL completely fair starvation free interactive cpu scheduler

2007-03-05 Thread Lee Revell
On 3/5/07, Gene Heskett [EMAIL PROTECTED] wrote: On Monday 05 March 2007, Nicolas Mailhot wrote: This looks like -mm stuff if you want it in 2.6.22 This needs to get to 2.6.21, it really is that big an improvement. You can probably speed things up by regression testing against a wide range of

Re: [RFC] BadRAM still not ready for inclusion ? (was: Re: Free Linux Driver Development!)

2007-03-06 Thread Lee Revell
On 3/4/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: It seems, that BadRAM is not being maintained very actively and the original author doesn`t seem to have the time pushing it into mainline, but i know it's actively being used by more then just a handful of people. Unfortunately there is no

Re: CONFIG_SYSFS_DEPRECATED and similar issues

2007-03-06 Thread Lee Revell
On 3/6/07, Bill Davidsen [EMAIL PROTECTED] wrote: The other issue is to avoid trap door changes, which occur when a kernel change requires new user tools, and the user tools will not run with older kernels. CONFIG_SYSFS_DEPRECATED is on by default. So this upgrading the kernel does not

Re: Problem: how to make kernel thread more faster?

2007-03-06 Thread Lee Revell
On 3/6/07, Mockern [EMAIL PROTECTED] wrote: hi, Is there a way how to make kernel thread more faster? I put some of my code to the kthread, but I noticed that kthread sends data more slow than original driver without kthread. Please post a link to your driver source code. Lee - To

Re: pxa.c cat problem

2007-03-07 Thread Lee Revell
On 3/7/07, Mockern [EMAIL PROTECTED] wrote: Hi, I have two PXA Linux boards, I connected them and tried cat myfile /dev/ttyS0 on one board and cat /dev/ttyS0 on another. But I can't see nothing. What is wrong with my pxa.c driver? Impossible to tell without seeing the driver source which

Re: [2.6.22 patch] the scheduled removal of OBSOLETE_OSS options

2007-03-07 Thread Lee Revell
On 3/7/07, Willy Tarreau [EMAIL PROTECTED] wrote: Real problem is that we can expect several sound does not work anymore because people doing make oldconfig will get no warning at all about the removed options. Remember people complaining about keyboard not working ? Perhaps the real problem is

Re: Sleeping thread not receive signal until it wakes up

2007-03-07 Thread Lee Revell
On 3/7/07, linux-os (Dick Johnson) [EMAIL PROTECTED] wrote: Interruptible_sleep_on is interruptible, but for your task to actually be awakened and your alarm handler to get some CPU, it needs to be scheduled. If the BKL (big kernel lock) is held, it won't be scheduled until it is released. You

Re: 2.6.20.3-rt8 - DMA suffers excessive delay periodically

2007-03-27 Thread Lee Revell
On 3/27/07, John [EMAIL PROTECTED] wrote: I'm runnning 2.6.20.3 patched with -rt8 (and glibc 2.3.6). http://people.redhat.com/mingo/realtime-preempt/older/patch-2.6.20-rt8 I've written a program to highlight a phenomenon I don't understand. This system includes a PCI board that provides data

Re: oracle sqlplus loop on 2.6.20

2007-03-28 Thread Lee Revell
On 3/28/07, Marco Berizzi [EMAIL PROTECTED] wrote: Hello everybody. I'm running oracle 10.2.0.1 on Slackware Linux 10.2 After 50 days uptime, sqlplus was looping forever. I have killed all oracle processes and cleared all semaphore and shared memory segment with ipcrm. I have also unmounted

Re: 2.6.20.3-rt8 - DMA suffers excessive delay periodically

2007-03-28 Thread Lee Revell
On 3/28/07, John [EMAIL PROTECTED] wrote: Would someone know how to disable SMM in this BIOS? There's no generic way. Try disabling USB keyboard emulation and any unused peripherals. Also google RTAI disable SMM. Is this a laptop? They are plagued with SMM problems... No it is an

Re: fs/block_dev.c:953: warning: 'found' might be used uninitialized in this function

2007-03-28 Thread Lee Revell
On 3/28/07, Toralf Förster [EMAIL PROTECTED] wrote: I compiled current git source 2.6.21-rc5-g28defbe and got this warning: ... fs/block_dev.c: In function `bd_claim_by_kobject': fs/block_dev.c:953: warning: 'found' might be used uninitialized in this function ... Most of these warnings are

Re: 2.6.20.3-rt8 - DMA suffers excessive delay periodically

2007-03-29 Thread Lee Revell
On 3/29/07, Kevin Perros [EMAIL PROTECTED] wrote: No it is an indutrial motherboard. Although I don't know what makes it industrial. Regards. Is this related to SMM? As far as I can tell, the BIOS is Phoenix AwardBIOS v6.00PG. Would someone know how to disable SMM in this BIOS?

Re: [patch] queued spinlocks (i386)

2007-03-29 Thread Lee Revell
On 3/29/07, Davide Libenzi davidel@xmailserver.org wrote: On Thu, 29 Mar 2007, Oleg Nesterov wrote: On 03/28, Nick Piggin wrote: Well with my queued spinlocks, all that lockbreak stuff can just come out of the spin_lock, break_lock out of the spinlock structure, and need_lockbreak just

Re: strange high system cpu usage.

2007-03-29 Thread Lee Revell
On 3/29/07, Elliott Johnson [EMAIL PROTECTED] wrote: Hello, I've been upgrading a few machines here at work and noticed some problems with high system cpu usage on one machine. In trying to debug the problem I've come across a few confusing stats that I was hoping could be cleared up by

Re: 2.6.21-rc4-mm1 and rc5-mm2 - problem with cpuidle routine

2007-03-29 Thread Lee Revell
On 3/29/07, Ed Sweetman [EMAIL PROTECTED] wrote: NVRM: loading NVIDIA UNIX x86_64 Kernel Module 1.0-9746 Fri Dec 15 10:19:35 PST 2006 PCI: Setting latency timer of device :01:00.0 to 64 NVRM: loading NVIDIA UNIX x86_64 Kernel Module 1.0-9746 Fri Dec 15 10:19:35 PST 2006 **WARNING** I2C

Re: strange high system cpu usage.

2007-03-29 Thread Lee Revell
On 3/29/07, Elliott Johnson [EMAIL PROTECTED] wrote: What problem are you trying to solve? IOW, how do you know it's not just an artifact of diferent load average calculation between 2.4 and 2.6? Are you actually seeing reduced throughput/performance? Or are you just looking at load average?

Re: [patch] queued spinlocks (i386)

2007-03-29 Thread Lee Revell
On 3/29/07, Nick Piggin [EMAIL PROTECTED] wrote: On Thu, Mar 29, 2007 at 10:06:41PM -0400, Lee Revell wrote: Until someone fixes all the places in the kernel where scheduling can be held off for tens of milliseconds, CONFIG_PREEMPT will be an absolute requirement for many applications like

Re: [Quick question] serial core issue

2007-03-29 Thread Lee Revell
On 3/29/07, Aubrey Li [EMAIL PROTECTED] wrote: When register serial driver as a console, the driver function my_remove() my_shutdown() seems be never called. So the driver can't reclaim resource when the command reboot is issued. Is it intended? Please post your code for review and someone

Re: Student Project Ideas

2007-03-29 Thread Lee Revell
On 3/29/07, Russ Meyerriecks [EMAIL PROTECTED] wrote: Hi all, I've been hacking on the Linux kernel all semester for my OS: Internals class. We are given full autonomy in picking our final programming project and I would love for mine to be /useful/ for the Linux kernel and not just a

Re: 2.6.20.4: NETDEV WATCHDOG and lockups

2007-04-03 Thread Lee Revell
On 4/3/07, Christian Kujau [EMAIL PROTECTED] wrote: On Tue, 3 Apr 2007, Robert Hancock wrote: Although it's not as bad with servers, many machines are designed to run only Windows (which normally always uses ACPI) and simply aren't tested well or at all with ACPI disabled so you can run into

Re: 2.6.20.3 AMD64 oops in CFQ code

2007-04-04 Thread Lee Revell
On 4/4/07, Bill Davidsen [EMAIL PROTECTED] wrote: I won't say that's voodoo, but if I ever did it I'd wipe down my keyboard with holy water afterward. ;-) Well, I did save the message in my tricks file, but it sounds like a last ditch effort after something get very wrong. Would it reallty be

Re: Is it possible to change IRQ for certain device?

2008-01-13 Thread Lee Revell
On Jan 11, 2008 11:57 AM, Jan Marek [EMAIL PROTECTED] wrote: I suppose, that VGA card does not need unique IRQ, but programmers, which wrote driver, want it. I can imagine, that VGA card have many interrupts, especially in the OpenGL games, but I cannot assign unique IRQ for VGA card at all

Re: Is it possible to change IRQ for certain device?

2008-01-13 Thread Lee Revell
On Jan 14, 2008 12:30 AM, Bryan Donlan [EMAIL PROTECTED] wrote: On Jan 13, 2008 10:57 PM, Lee Revell [EMAIL PROTECTED] wrote: On Jan 11, 2008 11:57 AM, Jan Marek [EMAIL PROTECTED] wrote: Why is a shared IRQ a problem for you? IRQ handlers are supposed to be fast enough that disabling

Re: Treat disk space like memory space

2007-11-15 Thread Lee Revell
On Nov 15, 2007 5:24 PM, Stefan Monnier [EMAIL PROTECTED] wrote: [ I realize this is probably better implemented outside of the kernel, but it seems like it might be of interest here. Please redirect me to a more appropriate place if you can think of one (other than /dev/null that is).

Re: Improve hackbench

2008-01-04 Thread Lee Revell
On Jan 4, 2008 3:10 AM, Ingo Molnar [EMAIL PROTECTED] wrote: http://redhat.com/~mingo/cfs-scheduler/tools/hackbench.c Why not lose the #ifdef and just use PTHREAD_STACK_MIN? Lee -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL

Re: Out-of-tree modules [was: Linux Security *Module* Framework]

2007-10-29 Thread Lee Revell
On 10/29/07, Jan Engelhardt [EMAIL PROTECTED] wrote: quad_dsp - http://jengelh.hopto.org/p/quad_dsp/ Provides a /dev/dsp style node for legacy applications that support neither ALSA nor the AOSS wrapper nor more-than-2-channel sound. (I think that should read AND more than 2 channel sound)

VM question - accounting of SysV SHM

2007-10-17 Thread Lee Revell
Sorry to ask this question on the list but I've Googled and found nothing. Is system V shared memory accounted for as Cached, or as normal application memory? I have an application that uses SysV shared memory and O_DIRECT for all IO, but when it starts up, the cached column in vmstat seems to

Re: VM question - accounting of SysV SHM

2007-10-17 Thread Lee Revell
On 10/17/07, Rik van Riel [EMAIL PROTECTED] wrote: On Wed, 17 Oct 2007 16:49:07 -0400 Lee Revell [EMAIL PROTECTED] wrote: Sorry to ask this question on the list but I've Googled and found nothing. Is system V shared memory accounted for as Cached, or as normal application memory

Re: getting FUSD compiled with current kernels

2007-09-29 Thread Lee Revell
On 9/29/07, Florian Schmidt [EMAIL PROTECTED] wrote: My goal is to hack up oss2jack [3] to use ALSA pcm devices.. And a later goal is to create a virtual ALSA soundcard [which would multiplex access to a real non hw-mixing capable soundcard] to finally end the dmix software mixing woes linux

Re: [PATCH/RFC] doc: about email clients for Linux kernel patches

2007-09-11 Thread Lee Revell
On 9/11/07, Peter Zijlstra [EMAIL PROTECTED] wrote: On Tue, 2007-09-11 at 10:16 -0700, Randy Dunlap wrote: +~~ +Evolutions (GUI) I take it you mean: Evolution +Some people seem to use this successfully for patches. + +What config

Re: posible latency issues in seq_read

2007-07-20 Thread Lee Revell
On 7/20/07, Chris Friesen [EMAIL PROTECTED] wrote: We've run into an issue (on 2.6.10) where calling lsof triggers lost packets on our server. Preempt is disabled, and NAPI is enabled. Can you reproduce with a recent kernel? Lots of latency issues have been fixed since then. Lee - To

Re: allow non root users to set io priority idle ?

2007-08-07 Thread Lee Revell
On 06 Aug 2007 13:11:01 +0200, Andi Kleen [EMAIL PROTECTED] wrote: For IO I suppose the same could happen too. e.g. low priority task wants to write out a page and keeps it locked until the IO is finished. High priority task wants to access the page and has to wait until it is unlocked. Middle

Re: Profiling the Kernel

2007-08-01 Thread Lee Revell
On 8/1/07, Mohamed Bamakhrama [EMAIL PROTECTED] wrote: Hi *, I have a question regarding profiling the Linux kernel code during runtime (by profile, I mean the usage of each function/module within the kernel itself). I googled and found many system-wide profiler such as sysprof, Oprofile,

Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1)

2007-08-01 Thread Lee Revell
On 7/31/07, Ingo Molnar [EMAIL PROTECTED] wrote: Almost all of the Reiser3 code runs under the BKL, and the only other major kernel infrastructure that has BKL dependencies is the TTY code. Also NFS: $ grep -rIi lock_kernel kernel-source/linux-2.6.17/fs/nfs/ | wc -l 94 Lee - To unsubscribe

Re: cpufreq default governor

2007-04-25 Thread Lee Revell
On 4/24/07, William Heimbigner [EMAIL PROTECTED] wrote: Is it actually not working though, even at the hardware level? To my knowledge those noises are normal, and aren't even signs of a harware problem. I believe it is the natural result of changing frequencies at any time. If you change

Re: [patch] CFS scheduler, -v6

2007-04-27 Thread Lee Revell
On 4/27/07, Ingo Molnar [EMAIL PROTECTED] wrote: ogg123 never skips. Then i cranked up the load to 50 infinite loops (!). No problems whatsoever. No problems at 100 tasks either. No problems with 250 (!) nice-0 infinite loops running either: Different soundcards support different ranges and

Re: assembly code in the loadable kernel module

2007-04-27 Thread Lee Revell
On 4/27/07, Daniel Hazelton [EMAIL PROTECTED] wrote: Most companies require that *ANY* e-mail sent by employees while at work contain disclaimers like those. Some of them even have their mail servers *automatically* attach those footers. These employees should be using gmail (over https)

Re: [linux-dvb] Re: More than 2Gb problem (dvb related) ?

2007-04-27 Thread Lee Revell
On 4/27/07, Jon Burgess [EMAIL PROTECTED] wrote: Interesting - I see similar symptoms after upgrading my PC: * old PC was AMD Athlon 64 3000 w/ 2GB of RAM which had no issues * new PC is a Intel Core 2 Duo w/ 4GB of RAM and fails in the way you describe. Driver using an incorrect DMA mask?

Re: [patch] CFS scheduler, -v6

2007-04-28 Thread Lee Revell
On 4/28/07, Kasper Sandberg [EMAIL PROTECTED] wrote: tried looking for buffer stuff in /proc/asound, couldnt find anything, im using the via82xx driver. Use fuser to see which sound device is used: $ fuser /dev/snd/* /dev/snd/controlC0: 14028 /dev/snd/pcmC0D0c: 14028m /dev/snd/pcmC0D0p:

Re: [ext3][kernels = 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)

2007-04-28 Thread Lee Revell
On 4/28/07, Mikulas Patocka [EMAIL PROTECTED] wrote: I most wonder, why vim fsyncs its swapfile regularly (blocking typing during that) and doesn't fsync the resulting file on :w :-/ Never seen this. Why would fsync block typing unless vim was doing disk IO for every keystroke? Lee - To

Re: High Resolution Timer DOS

2007-04-28 Thread Lee Revell
On 4/28/07, Thomas Gleixner [EMAIL PROTECTED] wrote: Well, it is not really a DoS. The rescheduling of the process is limited by the scheduler and the available CPU time (depending on the number of runnable tasks in the system). Shouldn't an unprivileged process be rate limited somehow to

Re: H6e F5g G1y C6t H2e C2k

2005-04-06 Thread Lee Revell
On Wed, 2005-04-06 at 10:27 -0500, Tommy Reynolds wrote: Uttered Neal Gustafson [EMAIL PROTECTED], spake thus: Blond Amateur Coed Spring Break Bed Sex Hardcore Blonde In Stockings Posing beaumont Has this list not the simplest spam filter? It's difficult to see how any of these

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc2-V0.7.44-00

2005-04-08 Thread Lee Revell
On Fri, 2005-04-08 at 16:22 +0100, Rui Nuno Capela wrote: Our first victim!! :-) No kidding!? V0.7.44-02 does not even compile for me. It appears to be full of merge errors. I get these errors with make oldconfig: HOSTLD scripts/kconfig/conf scripts/kconfig/conf -o

Re: ext3 allocate-with-reservation latencies

2005-04-08 Thread Lee Revell
On Fri, 2005-04-08 at 11:10 -0700, Mingming Cao wrote: However I am still worried that the rw lock will allow concurrent files trying to lock the same window at the same time. Only one succeed though., high cpu usage then. And also, in the normal case the filesystem is not really full,

'BUG: scheduling with irqs disabled' when umounting NFS volume

2005-04-08 Thread Lee Revell
Kernel is 2.6.12-rc1-RT-V0.7.43-05. BUG: scheduling with irqs disabled: umount/0x/20612 caller is schedule_timeout+0x63/0xc0 [c01033d3] dump_stack+0x23/0x30 (20) [c02b4f5a] schedule+0xea/0x140 (36) [c02b5b23] schedule_timeout+0x63/0xc0 (64) [c02b5744]

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc2-V0.7.44-00

2005-04-08 Thread Lee Revell
On Fri, 2005-04-08 at 15:15 -0500, K.R. Foley wrote: Lee Revell wrote: On Fri, 2005-04-08 at 16:22 +0100, Rui Nuno Capela wrote: Our first victim!! :-) No kidding!? V0.7.44-02 does not even compile for me. It appears to be full of merge errors. I must

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc2-V0.7.44-00

2005-04-08 Thread Lee Revell
On Fri, 2005-04-08 at 15:26 -0500, K.R. Foley wrote: Lee Revell wrote: Meh, I'll try again, maybe it's some weird NFS problem. Lee Hmm. Maybe. I should probably mention that I am doing an FC3 install via NFS from my older SMP system right now while also building V0.7.44-03

Re: 'BUG: scheduling with irqs disabled' when umounting NFS volume

2005-04-08 Thread Lee Revell
On Fri, 2005-04-08 at 13:38 -0700, Daniel Walker wrote: I submitted a fix for this a while ago, I think .. interruptible_sleep_on()'s are broken .. I saw the fix in -stable, but it does not seem to be in 2.6.12-rc2. Lee - To unsubscribe from this list: send the line unsubscribe linux-kernel

Re: HELP:porting linux PXA audio driver to RTLinux(RTLinux core driver)

2005-04-08 Thread Lee Revell
On Fri, 2005-04-08 at 21:03 -0700, nobin matthew wrote: Dear Friends, I am trying to port Linux PXA audio driver to RTLinux. I am using pxa-ac7.c and pxa-audio.c and eliminated sound_core.c, and i will register two device /dev/mixer and /dev/dsp to RTLinux kernel.

Re: 'BUG: scheduling with irqs disabled' when umounting NFS volume

2005-04-11 Thread Lee Revell
On Mon, 2005-04-11 at 09:29 -0700, Daniel Walker wrote: On Fri, 2005-04-08 at 14:51, Lee Revell wrote: On Fri, 2005-04-08 at 13:38 -0700, Daniel Walker wrote: I submitted a fix for this a while ago, I think .. interruptible_sleep_on()'s are broken .. I saw the fix in -stable

Re: kernel panic!

2005-04-11 Thread Lee Revell
On Mon, 2005-04-11 at 13:30 -0300, sauro wrote: I mean, is it possible for an user level application to be the cause of a kernel panic? If it is, which kind of operations can do that? If this happens then by definition it's a bug in the kernel (or a hardware failure). It's never the fault of

Re: ext3 allocate-with-reservation latencies

2005-04-11 Thread Lee Revell
On Mon, 2005-04-11 at 11:38 -0700, Mingming Cao wrote: I will work on a patch for Lee to try sometime tonight. Just FYI, this will take a while to test, because this latency seems quite rare. I haven't seen it again since my original report. Hopefully I can reproduce it with enough dbench

Re: ext3 allocate-with-reservation latencies

2005-04-11 Thread Lee Revell
On Mon, 2005-04-11 at 15:12 -0400, Lee Revell wrote: On Mon, 2005-04-11 at 11:38 -0700, Mingming Cao wrote: I will work on a patch for Lee to try sometime tonight. Just FYI, this will take a while to test, because this latency seems quite rare. I haven't seen it again since my original

Re: [PATCH] ppc64: very basic desktop g5 sound support (#2)

2005-04-12 Thread Lee Revell
On Tue, 2005-04-12 at 15:07 +1000, Benjamin Herrenschmidt wrote: Hi ! (Andrew: This is an update of the previous patch, it fixes a problem with headphone beeing incorrectly muted on some models). This patch hacks the current PowerMac Alsa driver to add some basic support of analog sound

Re: [PATCH] ppc64: very basic desktop g5 sound support (#2)

2005-04-12 Thread Lee Revell
On Tue, 2005-04-12 at 11:49 -0700, Linus Torvalds wrote: On Tue, 12 Apr 2005, Lee Revell wrote: Um... why in the heck are you posting this here instead of alsa-devel? Which list do you think has more people interested? ppc64 or alsa? OK, makes sense. I still think alsa-devel should

Re: NFS2 question, help, pls!

2005-04-12 Thread Lee Revell
On Tue, 2005-04-12 at 15:26 -0700, Trond Myklebust wrote: ty den 12.04.2005 Klokka 15:22 (-0400) skreiv Xin Zhao: I have very very fast network and is testing NFS2 over this kind of network. I noticed that for standard work like read/write a large file, compile kernels, the performance of

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc2-V0.7.44-00

2005-04-12 Thread Lee Revell
On Sun, 2005-04-10 at 19:47 +0200, Ingo Molnar wrote: yeah, that's what i did in -45-01. Ingo, This build failure was reported with 45-01 by an AMD64 user. Do you need the .config? HOSTCC scripts/bin2c CC arch/x86_64/kernel/asm-offsets.s CHK include/asm-x86_64/offset.h UPD

weird X problem - priority inversion?

2005-04-13 Thread Lee Revell
I am having a problem with the RT preempt kernels where xscreensaver will cause the X server to consume excessive CPU, starving other processes. This should not happen as xscreensaver runs at the highest nice value. It seems that there's some kind of priority inversion happening between the high

Re: incoming

2005-04-14 Thread Lee Revell
On Thu, 2005-04-14 at 13:48 +0200, Geert Uytterhoeven wrote: On Tue, 12 Apr 2005, Andrew Morton wrote: As the commits list probably isn't working at present I'll cc linux-kernel on this lot. Fairly cruel, sorry, but I don't like the idea of people not knowing what's hitting the main tree.

Re: [linux-iscsi-devel] [ANNOUNCE] open-iscsi and linux-iscsi project teams have merged!

2005-04-14 Thread Lee Revell
On Thu, 2005-04-14 at 18:19 +0200, Christoph Hellwig wrote: On Thu, Apr 14, 2005 at 09:18:32AM -0700, Dmitry Yusupov wrote: Consider linux-iscsi-5.x CVS branch as a mainline. Current open-iscsi SVN repository is the place where all hard-core development will happen at least for the nearest

spurious 8259A interrupt: IRQ7

2005-04-14 Thread Lee Revell
I get this message occasionally on both my machines. I googled and saw some references to this message on 2.4 but nothing for 2.6. Some of the references were to APIC, which I don't have enabled. Both machines are using VIA chipsets and display the VIA IRQ fixup message on boot. I think this

Re: spurious 8259A interrupt: IRQ7

2005-04-14 Thread Lee Revell
On Thu, 2005-04-14 at 14:43 -0600, Bjorn Helgaas wrote: On Thu, 2005-04-14 at 13:11 -0400, Lee Revell wrote: I get this message occasionally on both my machines. I googled and saw some references to this message on 2.4 but nothing for 2.6. Some of the references were to APIC, which I

Re: Linux support for IBM ThinkPad Disk shock prevention update...

2005-04-14 Thread Lee Revell
On Thu, 2005-04-14 at 16:58 -0400, Shawn Starr wrote: We just need to figure out to get the specs from IBM Best bet is probably reverse engineering it... Lee - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo

Re: Linux support for IBM ThinkPad Disk shock prevention update...

2005-04-14 Thread Lee Revell
On Thu, 2005-04-14 at 18:46 -0400, abonilla wrote: On Thu, 14 Apr 2005 17:15:16 -0400, Lee Revell wrote On Thu, 2005-04-14 at 16:58 -0400, Shawn Starr wrote: We just need to figure out to get the specs from IBM Best bet is probably reverse engineering it... Lee, I know

Re: Serverworks LE and MTRR write-combining question

2005-04-14 Thread Lee Revell
/0104.3/1007.html Signed-Off-By: Lee Revell [EMAIL PROTECTED] --- linux-2.6.12-rc2-k7/arch/i386/kernel/cpu/mtrr/main.c~ 2005-04-14 19:29:31.0 -0400 +++ linux-2.6.12-rc2-k7/arch/i386/kernel/cpu/mtrr/main.c2005-04-14 19:29:16.0 -0400 @@ -72,17 +72,21 @@ static int

Re: ALSA Oops (triggered by xmms)

2005-04-14 Thread Lee Revell
On Fri, 2005-04-15 at 01:22 +0200, Christian Kujau wrote: maybe some guru can shed some light on what's going on in xmms-oops.txt and tell me who's to bug here :- Fixed in 2.6.11.7. Lee - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL

Re: ALSA Oops (triggered by xmms)

2005-04-14 Thread Lee Revell
On Fri, 2005-04-15 at 02:16 +0200, Christian Kujau wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Lee Revell wrote: Fixed in 2.6.11.7. thank you sorry for the noise. No need to apologize, this is not noise. Always err on the side of reporting the bug. It's much better

Re: alsa es1371's joystick functionality broken in 2.6.11-mm4

2005-04-14 Thread Lee Revell
On Thu, 2005-04-14 at 21:18 -0400, Patrick McFarland wrote: On Thursday 07 April 2005 07:17 am, Patrick McFarland wrote: Nope, 2.6.7 is also fubar. Now to 2.6.6. I haven't tested 2.6.6 yet, but 2.6.12-rc2-mm3 is broken too. There's no point in testing newer kernels if you have yet to find

Re: Kernel Rootkits

2005-04-15 Thread Lee Revell
On Fri, 2005-04-15 at 13:33 -0400, Malita, Florin wrote: On Fri, 2005-04-15 at 13:16 -0400, Richard B. Johnson wrote: I'm not sure there really are any kernel rootkits. You need to be root to install a module and you need to be root to replace a kernel with a new (possibly altered) one.

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