Re: How to diagnose a process stuck in D state?

2008-02-22 Thread Lee Revell
On Fri, Feb 22, 2008 at 6:08 PM, Stephen Oberholtzer <[EMAIL PROTECTED]> wrote: > First off: I'm not subscribed to the list (I don't think I could > handle the volume), so please make sure you CC me if you reply. > > I run an application on one of my machines; it often hangs, with the > process

Re: How to diagnose a process stuck in D state?

2008-02-22 Thread Lee Revell
On Fri, Feb 22, 2008 at 6:08 PM, Stephen Oberholtzer [EMAIL PROTECTED] wrote: First off: I'm not subscribed to the list (I don't think I could handle the volume), so please make sure you CC me if you reply. I run an application on one of my machines; it often hangs, with the process stuck

Re: New RTC drivers don't provide the sysctl to set max user frequency

2008-02-05 Thread Lee Revell
On Feb 5, 2008 5:54 PM, Chuck Ebbert <[EMAIL PROTECTED]> wrote: > Is every application that uses /proc/sys/dev/rtc/max-user-freq > supposed to be updated to use the new /sys interface? IMHO the default should be increased to 1024 - the current default of 64 dates back to the 486 era. This would

Re: New RTC drivers don't provide the sysctl to set max user frequency

2008-02-05 Thread Lee Revell
On Feb 5, 2008 5:54 PM, Chuck Ebbert [EMAIL PROTECTED] wrote: Is every application that uses /proc/sys/dev/rtc/max-user-freq supposed to be updated to use the new /sys interface? IMHO the default should be increased to 1024 - the current default of 64 dates back to the 486 era. This would

Re: missing asm-x86_64 detection

2008-01-31 Thread Lee Revell
On Jan 31, 2008 6:13 PM, Reinaldo Carvalho <[EMAIL PROTECTED]> wrote: > system is x86_64! > > :/# grep model\ name /proc/cpuinfo > model name : AMD Turion(tm) 64 X2 > model name : AMD Turion(tm) 64 X2 What does "head -20 /usr/src/config-2.6.24" say? Lee -- To unsubscribe from this

Re: missing asm-x86_64 detection

2008-01-31 Thread Lee Revell
On Jan 31, 2008 6:13 PM, Reinaldo Carvalho [EMAIL PROTECTED] wrote: system is x86_64! :/# grep model\ name /proc/cpuinfo model name : AMD Turion(tm) 64 X2 model name : AMD Turion(tm) 64 X2 What does head -20 /usr/src/config-2.6.24 say? Lee -- To unsubscribe from this list: send

Re: ndiswrapper and GPL-only symbols redux

2008-01-30 Thread Lee Revell
On Jan 30, 2008 1:54 PM, Adrian Bunk <[EMAIL PROTECTED]> wrote: > IANAL, and I would therefore ask a lawyer whether, and if yes under > which circumstances, shipping a binary driver written for another OS > dynamically linked into the Linux kernel would not be a criminal offense. > Please stop

Re: ndiswrapper and GPL-only symbols redux

2008-01-30 Thread Lee Revell
On Jan 30, 2008 1:54 PM, Adrian Bunk [EMAIL PROTECTED] wrote: IANAL, and I would therefore ask a lawyer whether, and if yes under which circumstances, shipping a binary driver written for another OS dynamically linked into the Linux kernel would not be a criminal offense. Please stop throwing

Re: tickless/dynticks + cpufreq = tsc unstable

2008-01-25 Thread Lee Revell
On Jan 25, 2008 6:02 PM, Michael Tokarev <[EMAIL PROTECTED]> wrote: > Is it normal that once I enable cpufreq on > a tickless system, it spews a warning: > > Clocksource tsc unstable (delta = -288201154 ns) > > ? Yes, it's normal. Dual core AMD64 machines really do have unstable TSC. Lee -- To

Re: tickless/dynticks + cpufreq = tsc unstable

2008-01-25 Thread Lee Revell
On Jan 25, 2008 6:02 PM, Michael Tokarev [EMAIL PROTECTED] wrote: Is it normal that once I enable cpufreq on a tickless system, it spews a warning: Clocksource tsc unstable (delta = -288201154 ns) ? Yes, it's normal. Dual core AMD64 machines really do have unstable TSC. Lee -- To

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 handler

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

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: 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: 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: 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

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: 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

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)

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 syste

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

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 >

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. > > + > >

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: 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.

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: 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

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,

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: 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: 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: /proc/pid/status -> VmLib: 4294948464 kB

2007-07-12 Thread Lee Revell
On 7/12/07, Marcos David <[EMAIL PROTECTED]> wrote: Hi, I´m using RedHat Enterprise Server 4 Update 3 (kernel 2.6.9-34.ELsmp) I was listing the contents of /proc/pid/status file and I came up with a value of: ... VmLib: 4294948464 kB, ... Is this a known bug? Ask Red Hat. Lee - To

Re: /proc/pid/status - VmLib: 4294948464 kB

2007-07-12 Thread Lee Revell
On 7/12/07, Marcos David [EMAIL PROTECTED] wrote: Hi, I´m using RedHat Enterprise Server 4 Update 3 (kernel 2.6.9-34.ELsmp) I was listing the contents of /proc/pid/status file and I came up with a value of: ... VmLib: 4294948464 kB, ... Is this a known bug? Ask Red Hat. Lee - To unsubscribe

Re: Is it time for remove (crap) ALSA from kernel tree ?

2007-06-28 Thread Lee Revell
On 6/28/07, Rene Herman <[EMAIL PROTECTED]> wrote: ALSA has been the Linux soundsystem for a number of years now and as such, an application that runs under Linux and produces sound more and more can be expected to do so using the Linux API. The only reason it _can_ be seen as a detail is due to

Re: Is it time for remove (crap) ALSA from kernel tree ?

2007-06-28 Thread Lee Revell
On 6/28/07, Rene Herman [EMAIL PROTECTED] wrote: ALSA has been the Linux soundsystem for a number of years now and as such, an application that runs under Linux and produces sound more and more can be expected to do so using the Linux API. The only reason it _can_ be seen as a detail is due to

Re: Is it time for remove (crap) ALSA from kernel tree ?

2007-06-27 Thread Lee Revell
On 6/26/07, Andreas Hartmetz <[EMAIL PROTECTED]> wrote: Why not put the whole sound system in userland? It has been done before. Sound is just not performance critical at all and it's almost never mission critical. There are dozens of companies selling Linux powered professional audio gear,

Re: Is it time for remove (crap) ALSA from kernel tree ?

2007-06-27 Thread Lee Revell
On 6/27/07, Patrick Draper <[EMAIL PROTECTED]> wrote: Rene Herman wrote: > So -- the fact that mixing actually works for you when using libaoss > means software mixing is working correctly for your ALSA setup. The only > thing you should do is _use_ ALSA (natively) and not its OSS emulation > so

Re: Is it time for remove (crap) ALSA from kernel tree ?

2007-06-27 Thread Lee Revell
On 6/27/07, Patrick Draper [EMAIL PROTECTED] wrote: Rene Herman wrote: So -- the fact that mixing actually works for you when using libaoss means software mixing is working correctly for your ALSA setup. The only thing you should do is _use_ ALSA (natively) and not its OSS emulation so you

Re: Is it time for remove (crap) ALSA from kernel tree ?

2007-06-27 Thread Lee Revell
On 6/26/07, Andreas Hartmetz [EMAIL PROTECTED] wrote: Why not put the whole sound system in userland? It has been done before. Sound is just not performance critical at all and it's almost never mission critical. There are dozens of companies selling Linux powered professional audio gear,

Re: Stable identification of identical USB hardware

2007-06-18 Thread Lee Revell
On 6/18/07, Michael Mauch <[EMAIL PROTECTED]> wrote: > If I have to cardbus sockets, how do I get from what I know ("the card > is in socket 0") to "I have to talk to ttyUSB2 to talk to the card"? I > suspect I have to follow the thread from /sys/bus/pci to > /sys/bus/usb/devices, but how

Re: Stable identification of identical USB hardware

2007-06-18 Thread Lee Revell
On 6/18/07, Michael Mauch [EMAIL PROTECTED] wrote: If I have to cardbus sockets, how do I get from what I know (the card is in socket 0) to I have to talk to ttyUSB2 to talk to the card? I suspect I have to follow the thread from /sys/bus/pci to /sys/bus/usb/devices, but how exactly? You

Re: How to diagnose this error?

2007-06-13 Thread Lee Revell
On 6/13/07, Tetsuo Handa <[EMAIL PROTECTED]> wrote: Hello. Something is wrong with my guest Linux on VMware. Host: CentOS5 (2.6.18-8.1.4.el5) on x86_64 (ThinkPad X60) Guest: CentOS5 (2.6.18-8.1.4.el5) on x86_64 on VMware Workstation 5.5.4 using 2 CPUs BUG messages appear frequently (several

Re: How to diagnose this error?

2007-06-13 Thread Lee Revell
On 6/13/07, Tetsuo Handa [EMAIL PROTECTED] wrote: Hello. Something is wrong with my guest Linux on VMware. Host: CentOS5 (2.6.18-8.1.4.el5) on x86_64 (ThinkPad X60) Guest: CentOS5 (2.6.18-8.1.4.el5) on x86_64 on VMware Workstation 5.5.4 using 2 CPUs BUG messages appear frequently (several

Re: PC speaker

2007-06-12 Thread Lee Revell
On 6/12/07, R.F. Burns <[EMAIL PROTECTED]> wrote: Is it possible to write a kernel module which, when loaded, will blow the PC speaker? LOL. May I ask what your use case is? Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL

Re: PC speaker

2007-06-12 Thread Lee Revell
On 6/12/07, R.F. Burns [EMAIL PROTECTED] wrote: Is it possible to write a kernel module which, when loaded, will blow the PC speaker? LOL. May I ask what your use case is? Lee - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL

Re: tcp/ip stack question

2007-06-07 Thread Lee Revell
On 6/7/07, kernel coder <[EMAIL PROTECTED]> wrote: hi, I am recieveing the packet on eth1 and want to send it through eth2. I've written code in netif_recieve_skb function .This code changes the mac header in sk_buff structure so that it can be send through other interface card.But when

Re: tcp/ip stack question

2007-06-07 Thread Lee Revell
On 6/7/07, kernel coder [EMAIL PROTECTED] wrote: hi, I am recieveing the packet on eth1 and want to send it through eth2. I've written code in netif_recieve_skb function .This code changes the mac header in sk_buff structure so that it can be send through other interface card.But when i

Re: Device Driver Etiquette

2007-06-01 Thread Lee Revell
On 6/1/07, Matthew Fredrickson <[EMAIL PROTECTED]> wrote: is it acceptable (although not nice) to simply fix it this way, by disabling irqs while it loads the firmware? I would say to just disable IRQs while loading firmware. Almost every server I maintain has some vendor driver which

Re: Device Driver Etiquette

2007-06-01 Thread Lee Revell
On 6/1/07, Matthew Fredrickson [EMAIL PROTECTED] wrote: is it acceptable (although not nice) to simply fix it this way, by disabling irqs while it loads the firmware? I would say to just disable IRQs while loading firmware. Almost every server I maintain has some vendor driver which

Re: Compact Flash performance...

2007-05-30 Thread Lee Revell
On 5/30/07, Daniel J Blueman <[EMAIL PROTECTED]> wrote: I have a SanDisk Extreme IV 4GB CF card, capable of 40MB/s read, but am seeing 30MB/s read [1], connected directly to the IDE bus on my ICH8 controller. How do you know it's capable of 40MB/s read? Lee - To unsubscribe from this list:

Re: Compact Flash performance...

2007-05-30 Thread Lee Revell
On 5/30/07, Daniel J Blueman [EMAIL PROTECTED] wrote: I have a SanDisk Extreme IV 4GB CF card, capable of 40MB/s read, but am seeing 30MB/s read [1], connected directly to the IDE bus on my ICH8 controller. How do you know it's capable of 40MB/s read? Lee - To unsubscribe from this list: send

Re: SideWinder GameVoice driver

2007-05-18 Thread Lee Revell
On 5/17/07, Tomas Carnecky <[EMAIL PROTECTED]> wrote: Despite it's a Microsoft product, it's actually very nice and useful. A little pad with a few buttons and connectors for a headset. It's an USB device, but it doesn't represent itself as an input/HID device: HID device not claimed by input

Re: SideWinder GameVoice driver

2007-05-18 Thread Lee Revell
On 5/17/07, Tomas Carnecky [EMAIL PROTECTED] wrote: Despite it's a Microsoft product, it's actually very nice and useful. A little pad with a few buttons and connectors for a headset. It's an USB device, but it doesn't represent itself as an input/HID device: HID device not claimed by input

Re: Preempt of BKL and with tickless systems

2007-05-08 Thread Lee Revell
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. Define normal as

Re: Preempt of BKL and with tickless systems

2007-05-08 Thread Lee Revell
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. Define normal as servers

Re: 24 lost ticks with 2.6.20.10 kernel

2007-05-01 Thread Lee Revell
On 5/1/07, Kok, Auke <[EMAIL PROTECTED]> wrote: Michel Lespinasse wrote: > (I've added the E1000 maintainers to the thread as I found the issue > seems to go away after I compile out that driver. For reference, I was > trying to figure out why I lose exactly 24 ticks about every two > seconds,

Re: 24 lost ticks with 2.6.20.10 kernel

2007-05-01 Thread Lee Revell
On 5/1/07, Kok, Auke [EMAIL PROTECTED] wrote: Michel Lespinasse wrote: (I've added the E1000 maintainers to the thread as I found the issue seems to go away after I compile out that driver. For reference, I was trying to figure out why I lose exactly 24 ticks about every two seconds, as

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: [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: [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: [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: [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: 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: [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: [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: 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: 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: 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: 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: 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: 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: 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

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: 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: 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: 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: 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

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: 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

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: 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: [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

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 ma

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

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**

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: [patch] queued spinlocks (i386)

2007-03-29 Thread Lee Revell
On 3/29/07, Davide Libenzi 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 becomes

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

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

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