2.6.12-rc1-RT-V0.7.41-15: it_real_fn oops on boot in run_timer_softirq

2005-03-30 Thread Lee Revell
Since 2.6.12-rc1-RT something I get this Oops on boot about 50% of the time. It's clearly some kind of race because if I just reboot again it works. Seems to happen shortly after ksoftirqd startup (maybe the first time we hit the timer softirq?). This is (lazily) hand copied and incomplete, but

Re: 2.6.11, USB: High latency?

2005-03-30 Thread Lee Revell
On Wed, 2005-03-30 at 14:57 -0800, David Brownell wrote: > Quoth [EMAIL PROTECTED]: > > I think this is connected to a problem people have been reporting on the > > Linux audio lists. With some USB chipsets, USB audio interfaces just > > don't work. There are dropouts even at very high latencies.

Re: 2.6.11, USB: High latency?

2005-03-30 Thread Lee Revell
On Wed, 2005-03-30 at 17:13 -0800, David Brownell wrote: > On Wednesday 30 March 2005 4:43 pm, Lee Revell wrote: > > On Wed, 2005-03-30 at 14:57 -0800, David Brownell wrote: > > > Quoth [EMAIL PROTECTED]: > > > > I think this is connected to a problem peo

Re: 2.6.11, USB: High latency?

2005-03-30 Thread Lee Revell
[cc list restored] On Wed, 2005-03-30 at 14:57 -0800, David Brownell wrote: > Quoth [EMAIL PROTECTED]: > > I think this is connected to a problem people have been reporting on the > > Linux audio lists. With some USB chipsets, USB audio interfaces just > > don't work. There are dropouts even at

Re: 2.6.11, USB: High latency?

2005-03-30 Thread Lee Revell
On Wed, 2005-03-30 at 17:28 -0800, David Brownell wrote: > On Wednesday 30 March 2005 4:51 pm, Lee Revell wrote: > > [cc list restored] > > Thanks, I never had one to start with ... :) > > Thank you. Sorry for the tone of my reply... > > On Wed, 2005-03-30 at

Re: 2.6.11, USB: High latency?

2005-03-30 Thread Lee Revell
On Wed, 2005-03-30 at 17:28 -0800, David Brownell wrote: > This is what Greg just posted (and Linus merged into BK, so it'll be > in BK snapshots starting tomorrow): > > http://marc.theaimsgroup.com/?l=linux-usb-devel&m=111221966815043&w=2 Wow, just checked my mail and there were at least 5 thr

Re: 2.6.11, USB: High latency?

2005-03-30 Thread Lee Revell
On Wed, 2005-03-30 at 17:40 -0800, David Brownell wrote: > This all seems off-topic for latency though. :) > Disagree, in the bug reports I saw from JACK users the symptoms are exactly the same as a kernel latency problem. The only clear hint that it's something else is that the RT kernel and m

Re: NFS client latencies

2005-03-30 Thread Lee Revell
On Wed, 2005-03-30 at 16:14 -0500, Trond Myklebust wrote: > on den 30.03.2005 Klokka 11:56 (-0800) skreiv Andrew Morton: > > > That's normal and cannot be avoided: when writing, we have to look for > > > the existence of old nfs_page requests. The reason is that if one does > > > exist, we must eit

Re: NFS client latencies

2005-03-30 Thread Lee Revell
On Wed, 2005-03-30 at 18:39 -0800, Andrew Morton wrote: > Lee Revell <[EMAIL PROTECTED]> wrote: > > > > > Yes. Together with the radix tree-based sorting of dirty requests, > > > that's pretty much what I've spent most of today doing. Lee, could you

Re: Poor SATA / RAID performance (2.6.11 and promise SATAII150 TX4)

2005-03-31 Thread Lee Revell
On Wed, 2005-03-30 at 19:12 -0800, Tim Harvey wrote: > - the number of interrupts per second (1023) seems very high Why? You have 1000 timer interrupts every second, plus 23 from other sources. Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a mess

Re: forkbombing Linux distributions

2005-03-31 Thread Lee Revell
On Thu, 2005-03-31 at 12:00 +0200, Natanael Copa wrote: > On Wed, 2005-03-30 at 19:40 +0200, Jacek Łuczak wrote: > > > > I made some tests and almost all Linux distros brings down while freebsd > > survive!Forkbombing is a big problem but i don't think that something like > I really liked this a

Re: off topic: GPL and binary modules

2005-03-31 Thread Lee Revell
On Thu, 2005-03-31 at 13:39 -0500, Brian Gerst wrote: > Search the list archives, this has been flamed to death already. > Actually, don't search the list archives. Talk to a lawyer about it. Even if you get legal advice it's probably pointless to pass it on to the list because you will just ge

Re: NFS client latencies

2005-03-31 Thread Lee Revell
On Thu, 2005-03-31 at 16:50 +0200, Ingo Molnar wrote: > * Ingo Molnar <[EMAIL PROTECTED]> wrote: > > > > So the overhead you are currently seeing should just be that of > > > iterating through the list, locking said requests and adding them to > > > our private list. > > > > ah - cool! This was

Re: NFS client latencies

2005-04-01 Thread Lee Revell
On Fri, 2005-04-01 at 06:30 +0200, Ingo Molnar wrote: > * Lee Revell <[EMAIL PROTECTED]> wrote: > > > > > ah - cool! This was a 100 MB writeout so having 3.7 msecs to process > > > > 20K+ pages is not unreasonable. To break the latency, can i just do a >

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc1-V0.7.43-00

2005-04-01 Thread Lee Revell
On Fri, 2005-04-01 at 18:34 -0500, Gene Heskett wrote: > No one has commented about the loss of video in the tvtime/pcHDTV-3000 > card situation, am I on my own, basicly reverting to the > pcHDTV-2.0.tar.gz stuff to overwrite the kernel stuff? You didn't really give much of a clue as to where to

RE: x86 TSC time warp puzzle

2005-04-02 Thread Lee Revell
On Fri, 2005-04-01 at 23:05 -0800, Pallipadi, Venkatesh wrote: > It can be SMI happening in the platform. Typically BIOS uses some SMI > polling > to handle some devices during early boot. Though 500 microseconds sounds > a > bit too high. > Nope, that sounds just about right. Buggy BIOSes tha

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc1-V0.7.43-00

2005-04-02 Thread Lee Revell
On Sat, 2005-04-02 at 14:37 -0500, Steven Rostedt wrote: > What the test program does, is spawn 5 processes, each with a different > priority. Starting with 10 and going to 14. All are SCHED_FIFO. Each of > these processes just do a scan of all directories starting with the root > directory '/' an

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc1-V0.7.43-00

2005-04-02 Thread Lee Revell
On Sat, 2005-04-02 at 15:06 -0500, Steven Rostedt wrote: > On Sat, 2005-04-02 at 14:37 -0500, Steven Rostedt wrote: > > > Here's the bug I get: > > > > FYI > > For kicks I ran this on 2.6.11-rc2-RT-V0.7.36-02 (I still had it as a > Grub option), and the system just locked up hard. I just was c

Re: [patch] Real-Time Preemption, -RT-2.6.12-rc1-V0.7.43-00

2005-04-02 Thread Lee Revell
On Sat, 2005-04-02 at 22:35 +0200, Ingo Molnar wrote: > > For kicks I ran this on 2.6.11-rc2-RT-V0.7.36-02 (I still had it as a > > Grub option), and the system just locked up hard. I just was curious > > if this was from a different change. But at least in the latest it > > shows output, and n

Re: [PATCH] dynamic tick patch

2005-01-18 Thread Lee Revell
On Tue, 2005-01-18 at 16:05 -0800, Tony Lindgren wrote: > Currently supported timers are TSC and ACPI PM timer. Other > timers should be easy to add. Both TSC and ACPI PM timer > rely on the PIT timer for interrupts, so the maximum skip > inbetween ticks is only few seconds at most. > An interest

Re: [ck] [PATCH][RFC] sched: Isochronous class for unprivileged soft rt scheduling

2005-01-18 Thread Lee Revell
On Tue, 2005-01-18 at 10:17 -0600, Jack O'Quin wrote: > Cal <[EMAIL PROTECTED]> writes: > > > There's a collection of test summaries from jack_test3.2 runs at > > > > > > Tests were run with iso_cpu at 70, 90, 99, 100, each test was run >

Re: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling

2005-01-20 Thread Lee Revell
On Thu, 2005-01-20 at 12:49 -0500, [EMAIL PROTECTED] wrote: > It's been a long while since I followed ReiserFS development closely, > *however*, this issue used to be a common problem ReiserFS - when > free space starts to drop below 10%, performace takes a big hit. So > performance improved when

Re: i8042 access timings

2005-01-25 Thread Lee Revell
On Tue, 2005-01-25 at 20:46 +0100, Andries Brouwer wrote: > On Tue, Jan 25, 2005 at 02:17:33PM -0500, Dmitry Torokhov wrote: > > > Still, I wonder if implementing these delays will give IO controller > > better chances to react to our queries and will get rid of some > > failures. > > My objectio

Re: ATI drivers working under realtime-preempt linux

2005-01-25 Thread Lee Revell
On Mon, 2005-01-24 at 20:47 -0800, John Gilbert wrote: > Xv isn't supported. DRI isn't supported. > ATI (and NVIDIA) should be all over the hard-realtime kernel, as this > has the potential of making video and games frame accurate (never > missing frames, no page tears). > The documentation from

Re: [patch] Real-Time Preemption, -RT-2.6.11-rc2-V0.7.36-00

2005-01-25 Thread Lee Revell
On Mon, 2005-01-24 at 09:02 +0100, Ingo Molnar wrote: > indeed - !PREEMPT_RT compilation broke. I've uploaded -03 with the fix > (and other fixes). -03 still does not compile with CONFIG_PREEMPT_DESKTOP: [EMAIL PROTECTED]:~/kernel-source/linux-2.6.11-rc2$ make CHK include/linux/version.h ma

Re: [PATCH 7/12] random pt4: Update cryptolib to use SHA fro lib

2005-01-25 Thread Lee Revell
On Fri, 2005-01-21 at 15:41 -0600, Matt Mackall wrote: > * Copyright (c) Alan Smithee. > * Copyright (c) Andrew McDonald <[EMAIL PROTECTED]> Alan Smithee? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo inf

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: 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 s

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 u

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. M

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, Opr

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 unsubscri

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 go

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

Re: [2.6.19] Scheduler starvation of audio?

2007-01-02 Thread Lee Revell
On Fri, 2006-12-29 at 11:25 -0500, Shawn Starr wrote: > Hello, > > If any of you have used a Commodore 64 emulator in Linux (such as vice) > noticed when using audio there is severe starvation while other activities of > the system are going on. i.e. moving a window in X or starting another >

Re: No sound in KDE with intel hda since 2.6.20-rc1

2007-01-02 Thread Lee Revell
On Sat, 2006-12-30 at 19:19 +, Alistair John Strachan wrote: > On Saturday 30 December 2006 19:11, Michael S. Tsirkin wrote: > > > On Friday 29 December 2006 06:25, Michael S. Tsirkin wrote: > > > > Virtual MIDI Card 1 > > > > > > Compile this feature out, I bet things start working again. > >

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 t

Re: NAK new drivers without proper power management?

2007-02-09 Thread Lee Revell
On 2/9/07, Robert Hancock <[EMAIL PROTECTED]> wrote: I would disagree that it's a peripheral issue, it's pretty core these days, at least for any hardware that you can stuff in a laptop (though a fair number of desktops get suspended and resumed these days too). Servers are still the most impor

Re: NAK new drivers without proper power management?

2007-02-09 Thread Lee Revell
On 2/9/07, Nigel Cunningham <[EMAIL PROTECTED]> wrote: On Fri, 2007-02-09 at 20:59 -0500, Lee Revell wrote: > On 2/9/07, Robert Hancock <[EMAIL PROTECTED]> wrote: > > I would disagree that it's a peripheral issue, it's pretty core these > > days, at least for

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 w

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 th

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 fro

Re: prioritize PCI traffic ?

2007-01-26 Thread Lee Revell
On 1/17/07, Hans-Peter Jansen <[EMAIL PROTECTED]> wrote: Am Montag, 15. Januar 2007 15:53 schrieb Vaidyanathan Srinivasan: > > 33Mhz 32-bit PCI bus on typical PC can do around 100MB/sec... Substract roughly n * 5MB for VIA chipsets, where n is the age (1 <= n <= 4), and even more for SIS, ATI..

Re: Nozmi status ?

2007-01-27 Thread Lee Revell
On 1/27/07, Gianluca Alberici <[EMAIL PROTECTED]> wrote: Hello, What is the status of the HSDPA driver after 2.6.19.1 ? Is it part of the kernel tree or not yet ? If not is there any version of ther nozomi pack which is gonna compile under ker > 2.6.18 (the original one is not compiling anymore

Re: Free Linux Driver Development!

2007-01-31 Thread Lee Revell
On 1/31/07, Theodore Tso <[EMAIL PROTECTED]> wrote: More specifically, Dave said that it "seemed rude" to just take the driver and send updates, but maybe the best way of dealing with out-of-tree drivers like lirc is to treat the out-of-tree drivers as a kind of spec release, and just have someon

Re: Free Linux Driver Development!

2007-01-31 Thread Lee Revell
On 1/31/07, Mark Lord <[EMAIL PROTECTED]> wrote: Randy Dunlap wrote: > On Wed, 31 Jan 2007 18:00:15 -0500 Theodore Tso wrote: .. >> More specifically, Dave said that it "seemed rude" to just take the >> driver and send updates, but maybe the best way of dealing with >> out-of-tree drivers like li

Re: [ANN] Userspace M-on-N threading model implementation. Alpha release.

2007-01-31 Thread Lee Revell
On 1/29/07, Evgeniy Polyakov <[EMAIL PROTECTED]> wrote: 1. Scheduling fairness. Since kernel does not know about multiple threads behind given process, it can not add it appropriate number of timeslices for execution. Can be solved either by more tight collaboarion of the userspace and kernelspac

Re: 2.6.20-rc6-mm3 BUG in drm_ioctl with Rage 128 card

2007-02-03 Thread Lee Revell
On 2/3/07, Eric Buddington <[EMAIL PROTECTED]> wrote: EIP:0060:[<>]Tainted: G M VLI EFLAGS: 00013246 (2.6.20-rc6-mm3 #1) The "M" taint flag indicates that a machine check exception has occured. Check your logs for the MCE and make sure the hardware is OK. Lee - To unsubs

Re: [GIT PATCH] more Driver core patches for 2.6.19

2006-12-16 Thread Lee Revell
On Thu, 2006-12-14 at 18:02 +0100, Jan Engelhardt wrote: > On Dec 14 2006 10:56, Hans-Jürgen Koch wrote: > > > >A small German manufacturer produces high-end AD converter cards. He sells > >100 pieces per year, only in Germany and only with Windows drivers. He would > >now like to make his cards wo

Re: 2.6.20-rc3 regression: suspend to RAM broken on Mac mini Core Duo

2007-01-07 Thread Lee Revell
On Sun, 2007-01-07 at 16:17 +0100, Tino Keitel wrote: > No information about the device/driver that refuses to resume. You should be able to identify the problematic driver by removing each driver manually before suspending. Lee - To unsubscribe from this list: send the line "unsubscribe linux-k

Re: [2.6.18.2] ide_core bug: kobject_add failed for ide ...

2007-01-07 Thread Lee Revell
On Sun, 2007-01-07 at 18:44 +0100, Andreas Hartmann wrote: > Hello, > > ide_core is loaded (while putting in an USB stick) as module the first > time after reboot - all works fine. The USB stick got mounted and a ls > is done to show the files on the root of the filesystem of the stick. > Afterwar

Re: list_del corruption with fedora 6 kernels (fc5 was ok)

2007-01-12 Thread Lee Revell
On Sat, 2007-01-13 at 00:34 +0100, Karl Kiniger wrote: > how to track this down? Reproduce it with an untainted kernel (no nvidia or vmware modules) and repost. Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majord

Re: 2.6.19-rc6-rt0, -rt YUM repository

2006-11-17 Thread Lee Revell
On Thu, 2006-11-16 at 23:07 +0100, Ingo Molnar wrote: > * Daniel Walker <[EMAIL PROTECTED]> wrote: > > > [...] Should we start a known regression list? > > please resend the bugs that still trigger for you with 2.6.19-rt0. I'm working with the developers of the 64Studio distro who are attempting

Re: 2.6.19-rc6-rt0, -rt YUM repository

2006-11-17 Thread Lee Revell
On Fri, 2006-11-17 at 17:17 +0100, Ingo Molnar wrote: > thanks, please do that. Right now i have no open boot-crash regression > left that i can reproduce. Possibly old news, but with 2.6.18-rt7 this user gets an Oops in read_hpet() if high res timers are enabled. http://ubuntuforums.org/showthr

Re: Sluggish system responsiveness on I/O

2006-11-19 Thread Lee Revell
On Sun, 2006-11-19 at 08:51 +0100, Mike Galbraith wrote: > That makes sense, I/O tasks don't generally hold the cpu for extended > periods, whereas a cpu bound task does. So what can we do about I/O intensive tasks that also want a lot of CPU, for example, the bloatier Gnome/KDE apps? Evolution i

Re: Siemens SX1: sound cleanups

2006-11-19 Thread Lee Revell
On Sun, 2006-11-19 at 12:49 +0100, Pavel Machek wrote: > +int set_mixer_volume(int mixer_vol) > { > - int retVal; > + /* FIXME: Alsa has mixer_vol in 0-100 range, while SX1 needs > 0-9 range */ Untrue. ALSA uses whatever range you define in the info callback for the mixer element. I

Re: 2.6.19-rc6-rt5

2006-11-28 Thread Lee Revell
On Wed, 2006-11-22 at 06:06 -0800, Mark Knecht wrote: > Ingo, >I started building the new kernels a few days ago with your > 2.6.19-rc6-rt0 announcement. The kernels have built fine but so far I > am unable to build the realtime-lsm package against them so no reason > to reboot. > >I know

Re: Scenario passes on 2.6.15.26 but fails on 2.6.11.4-20a kernel

2006-11-28 Thread Lee Revell
On Thu, 2006-11-23 at 18:21 +0300, realales wrote: > Also I analyzed XTEST sources without any success. > I know that this is unlikely the right place to ask this but could > someone please point me on the right way to move further?! Or may it > be already a know problem for somebody? Sounds lik

Re: 2.6.19-rc6-rt8: alsa xruns

2006-11-28 Thread Lee Revell
On Tue, 2006-11-28 at 11:58 -0800, Fernando Lopez-Lezcano wrote: > Hi, I'm trying out the latest -rt patch and getting alsa xruns when > using jackd and jack clients. This is a sample from the output of > qjackctl / jackd (jack 0.102.25, qjackctl 0.2.21): Any improvement if you disable high res ti

Re: 2.6.19-rc6-rt5

2006-11-28 Thread Lee Revell
On Tue, 2006-11-28 at 11:53 -0800, Mark Knecht wrote: > I know you've pushed > me to move to PAM telling me realtime-lsm wasn't going to work in the > future. I really just wanted to know that PAM was now a requirement > instead of only best practice. I said it was not guaranteed to work. It sho

Re: [patch 1/4] - Potential performance bottleneck for Linxu TCP

2006-11-30 Thread Lee Revell
On Thu, 2006-11-30 at 09:33 +, Christoph Hellwig wrote: > On Wed, Nov 29, 2006 at 07:56:58PM -0600, Wenji Wu wrote: > > Yes, when CONFIG_PREEMPT is disabled, the "problem" won't happen. That is > > why I put "for 2.6 desktop, low-latency desktop" in the uploaded paper. > > This "problem" happ

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

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 PROTEC

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 t

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 unsubscrib

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: sen

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 generat

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: 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 6/26/07, 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, mul

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: 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: 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.

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

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 val

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

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 c

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 hear

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 http://vger.kernel.org/majord

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 server

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. https://mail.rtai.org/pipermail

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 betw

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 w

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 respon

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. Isn't this quite a basic feature?! Is there somewhere to moni

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 b

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 s

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 fre

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 d

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) rath

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? L

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:

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