Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-10 Thread Rafael J. Wysocki
On Thursday, 7 of February 2008, Ingo Molnar wrote: > > * Rafael J. Wysocki <[EMAIL PROTECTED]> wrote: > > > > http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ > > > > > > on top of sched-devel. > > > > Indeed, with these patches applied the issue is not reproducible any > >

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-10 Thread Rafael J. Wysocki
On Thursday, 7 of February 2008, Ingo Molnar wrote: * Rafael J. Wysocki [EMAIL PROTECTED] wrote: http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ on top of sched-devel. Indeed, with these patches applied the issue is not reproducible any more. great! I've

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-07 Thread Peter Zijlstra
On Thu, 2008-02-07 at 20:53 +0100, Rafael J. Wysocki wrote: > On Thursday, 7 of February 2008, Ingo Molnar wrote: > > > > * Rafael J. Wysocki <[EMAIL PROTECTED]> wrote: > > > > > > http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ > > > > > > > > on top of sched-devel. > > > > >

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-07 Thread Rafael J. Wysocki
On Thursday, 7 of February 2008, Ingo Molnar wrote: > > * Rafael J. Wysocki <[EMAIL PROTECTED]> wrote: > > > > http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ > > > > > > on top of sched-devel. > > > > Indeed, with these patches applied the issue is not reproducible any > >

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-07 Thread Rafael J. Wysocki
On Thursday, 7 of February 2008, Ingo Molnar wrote: * Rafael J. Wysocki [EMAIL PROTECTED] wrote: http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ on top of sched-devel. Indeed, with these patches applied the issue is not reproducible any more. great! I've

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-07 Thread Peter Zijlstra
On Thu, 2008-02-07 at 20:53 +0100, Rafael J. Wysocki wrote: On Thursday, 7 of February 2008, Ingo Molnar wrote: * Rafael J. Wysocki [EMAIL PROTECTED] wrote: http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ on top of sched-devel. Indeed, with these

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Ingo Molnar
* Rafael J. Wysocki <[EMAIL PROTECTED]> wrote: > > http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ > > > > on top of sched-devel. > > Indeed, with these patches applied the issue is not reproducible any > more. great! I've queued Peter's fixes and enhancements up in

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Rafael J. Wysocki
On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > On Wed, 2008-02-06 at 23:18 +0100, Rafael J. Wysocki wrote: > > On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > > > > > On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: > > > > On Wednesday, 6 of February 2008,

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Peter Zijlstra
On Wed, 2008-02-06 at 23:18 +0100, Rafael J. Wysocki wrote: > On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > > > On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: > > > On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > > > > > Well, that whole queue. > > > > >

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Rafael J. Wysocki
On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: > > On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > > > Well, that whole queue. > > > > It doesn't compile for me. > > I did solve some compile issues since

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Peter Zijlstra
On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: > On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > Well, that whole queue. > > It doesn't compile for me. I did solve some compile issues since posting, Ingo should have the compiling version in sched-devel soonish (don't

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Rafael J. Wysocki
On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > On Wed, 2008-02-06 at 19:25 +0100, Rafael J. Wysocki wrote: > > On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > > > > > On Wed, 2008-02-06 at 09:40 +0100, Dmitry Adamushko wrote: > > > > On 06/02/2008, Rafael J. Wysocki

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Peter Zijlstra
On Wed, 2008-02-06 at 19:25 +0100, Rafael J. Wysocki wrote: > On Wednesday, 6 of February 2008, Peter Zijlstra wrote: > > > > On Wed, 2008-02-06 at 09:40 +0100, Dmitry Adamushko wrote: > > > On 06/02/2008, Rafael J. Wysocki <[EMAIL PROTECTED]> wrote: > > > > On Tuesday, 5 of February 2008,

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Peter Zijlstra
On Wed, 2008-02-06 at 19:25 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra wrote: On Wed, 2008-02-06 at 09:40 +0100, Dmitry Adamushko wrote: On 06/02/2008, Rafael J. Wysocki [EMAIL PROTECTED] wrote: On Tuesday, 5 of February 2008, Dmitry Adamushko

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Rafael J. Wysocki
On Wednesday, 6 of February 2008, Peter Zijlstra wrote: On Wed, 2008-02-06 at 19:25 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra wrote: On Wed, 2008-02-06 at 09:40 +0100, Dmitry Adamushko wrote: On 06/02/2008, Rafael J. Wysocki [EMAIL PROTECTED]

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Peter Zijlstra
On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra wrote: Well, that whole queue. It doesn't compile for me. I did solve some compile issues since posting, Ingo should have the compiling version in sched-devel soonish (don't know

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Rafael J. Wysocki
On Wednesday, 6 of February 2008, Peter Zijlstra wrote: On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra wrote: Well, that whole queue. It doesn't compile for me. I did solve some compile issues since posting, Ingo

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Peter Zijlstra
On Wed, 2008-02-06 at 23:18 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra wrote: On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra wrote: Well, that whole queue. It doesn't compile

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Rafael J. Wysocki
On Wednesday, 6 of February 2008, Peter Zijlstra wrote: On Wed, 2008-02-06 at 23:18 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra wrote: On Wed, 2008-02-06 at 22:50 +0100, Rafael J. Wysocki wrote: On Wednesday, 6 of February 2008, Peter Zijlstra

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-06 Thread Ingo Molnar
* Rafael J. Wysocki [EMAIL PROTECTED] wrote: http://programming.kicks-ass.net/kernel-patches/sched-rt-group/ on top of sched-devel. Indeed, with these patches applied the issue is not reproducible any more. great! I've queued Peter's fixes and enhancements up in sched-devel. (not

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-05 Thread Rafael J. Wysocki
On Tuesday, 5 of February 2008, Dmitry Adamushko wrote: > Rafael, any progress with this issue? (a few questions below). > > > > > > > Does this artsmessage thing also run with RT priority? > > > > Well, it's in a strange state (after it's broken). From top: > > > > PR = -51 > > NI = 0 > > S = R

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-05 Thread Dmitry Adamushko
Rafael, any progress with this issue? (a few questions below). > > > > Does this artsmessage thing also run with RT priority? > > Well, it's in a strange state (after it's broken). From top: > > PR = -51 > NI = 0 > S = R > %CPU = 0.0 > %MEM = 0.0 cat /proc/$PID/stat ; sleep 3; cat

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-05 Thread Dmitry Adamushko
Rafael, any progress with this issue? (a few questions below). Does this artsmessage thing also run with RT priority? Well, it's in a strange state (after it's broken). From top: PR = -51 NI = 0 S = R %CPU = 0.0 %MEM = 0.0 cat /proc/$PID/stat ; sleep 3; cat /proc/$PID/stat ? cat

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-05 Thread Rafael J. Wysocki
On Tuesday, 5 of February 2008, Dmitry Adamushko wrote: Rafael, any progress with this issue? (a few questions below). Does this artsmessage thing also run with RT priority? Well, it's in a strange state (after it's broken). From top: PR = -51 NI = 0 S = R %CPU = 0.0 %MEM

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Rafael J. Wysocki
On Friday, 1 of February 2008, Peter Zijlstra wrote: > > On Fri, 2008-02-01 at 12:50 +0100, Rafael J. Wysocki wrote: > > On Friday, 1 of February 2008, Peter Zijlstra wrote: > > > > > It arts run as root, or does it use RLIMIT_RTPRIO to allow users to > > > > execute realtime tasks? > > > >

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Peter Zijlstra
On Fri, 2008-02-01 at 12:50 +0100, Rafael J. Wysocki wrote: > On Friday, 1 of February 2008, Peter Zijlstra wrote: > > > It arts run as root, or does it use RLIMIT_RTPRIO to allow users to > > > execute realtime tasks? > > artswrapper is setuid root and RLIMIT_RTPRIO is apparently not used. >

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Rafael J. Wysocki
On Friday, 1 of February 2008, Peter Zijlstra wrote: > > On Fri, 2008-02-01 at 08:44 +0100, Peter Zijlstra wrote: > > On Fri, 2008-02-01 at 03:04 +0100, Rafael J. Wysocki wrote: > > > On Friday, 1 of February 2008, Rafael J. Wysocki wrote: > > > > Hi, > > > > > > > > This is related to the

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Peter Zijlstra
On Fri, 2008-02-01 at 08:44 +0100, Peter Zijlstra wrote: > On Fri, 2008-02-01 at 03:04 +0100, Rafael J. Wysocki wrote: > > On Friday, 1 of February 2008, Rafael J. Wysocki wrote: > > > Hi, > > > > > > This is related to the problem I reported earlier this week: > > >

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Peter Zijlstra
On Fri, 2008-02-01 at 08:44 +0100, Peter Zijlstra wrote: On Fri, 2008-02-01 at 03:04 +0100, Rafael J. Wysocki wrote: On Friday, 1 of February 2008, Rafael J. Wysocki wrote: Hi, This is related to the problem I reported earlier this week: http://lkml.org/lkml/2008/1/30/554

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Rafael J. Wysocki
On Friday, 1 of February 2008, Peter Zijlstra wrote: On Fri, 2008-02-01 at 08:44 +0100, Peter Zijlstra wrote: On Fri, 2008-02-01 at 03:04 +0100, Rafael J. Wysocki wrote: On Friday, 1 of February 2008, Rafael J. Wysocki wrote: Hi, This is related to the problem I reported

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Peter Zijlstra
On Fri, 2008-02-01 at 12:50 +0100, Rafael J. Wysocki wrote: On Friday, 1 of February 2008, Peter Zijlstra wrote: It arts run as root, or does it use RLIMIT_RTPRIO to allow users to execute realtime tasks? artswrapper is setuid root and RLIMIT_RTPRIO is apparently not used. Still,

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-02-01 Thread Rafael J. Wysocki
On Friday, 1 of February 2008, Peter Zijlstra wrote: On Fri, 2008-02-01 at 12:50 +0100, Rafael J. Wysocki wrote: On Friday, 1 of February 2008, Peter Zijlstra wrote: It arts run as root, or does it use RLIMIT_RTPRIO to allow users to execute realtime tasks? artswrapper is

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-01-31 Thread Peter Zijlstra
On Fri, 2008-02-01 at 03:04 +0100, Rafael J. Wysocki wrote: > On Friday, 1 of February 2008, Rafael J. Wysocki wrote: > > Hi, > > > > This is related to the problem I reported earlier this week: > > http://lkml.org/lkml/2008/1/30/554 > > > > Apparently artswrapper, run by KDE in openSUSE 10.3

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-01-31 Thread Rafael J. Wysocki
On Friday, 1 of February 2008, Rafael J. Wysocki wrote: > Hi, > > This is related to the problem I reported earlier this week: > http://lkml.org/lkml/2008/1/30/554 > > Apparently artswrapper, run by KDE in openSUSE 10.3 with a real time priority, > is mishandled by the scheduler. The problem is

[Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-01-31 Thread Rafael J. Wysocki
Hi, This is related to the problem I reported earlier this week: http://lkml.org/lkml/2008/1/30/554 Apparently artswrapper, run by KDE in openSUSE 10.3 with a real time priority, is mishandled by the scheduler. The problem is that after the user logs out, artswrapper stays in TASK_RUNNING

Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected)

2008-01-31 Thread Peter Zijlstra
On Fri, 2008-02-01 at 03:04 +0100, Rafael J. Wysocki wrote: On Friday, 1 of February 2008, Rafael J. Wysocki wrote: Hi, This is related to the problem I reported earlier this week: http://lkml.org/lkml/2008/1/30/554 Apparently artswrapper, run by KDE in openSUSE 10.3 with a real