From: Ingo Molnar <mingo@elte.hu>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: linux-kernel@vger.kernel.org,
Linux-pm mailing list <linux-pm@lists.linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Arjan van de Ven <arjan@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: broken suspend (sched related) [Was: 2.6.24-rc4-mm1]
Date: Sat, 8 Dec 2007 16:24:47 +0100 [thread overview]
Message-ID: <20071208152447.GA30270@elte.hu> (raw)
In-Reply-To: <475A629C.7010408@gmail.com>
* Jiri Slaby <jirislaby@gmail.com> wrote:
> On 12/08/2007 09:39 AM, Ingo Molnar wrote:
> > * Jiri Slaby <jirislaby@gmail.com> wrote:
> >
> >> Unfortunately no change here.
> >
> > could you try to revert this change:
> >
> > -int softlockup_thresh = 10;
> > +int softlockup_thresh = 60;
> >
> > i.e. change the value of softlockup_thresh back to 10. You should be
> > able to tweak this runtime as well, without patching the kernel:
> >
> > echo 10 > /proc/sys/kernel/softlockup_thresh
>
> What should have this changed? I can't see any difference.
it changes the wakeup frequency of the softlockup thread.
i'm wondering why it had no effect now - the new code is in essence a
NOP over what we had. Could you send me your current (modified)
kernel/softlockup.c code?
Ingo
WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@elte.hu>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>,
Arjan van de Ven <arjan@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Linux-pm mailing list <linux-pm@lists.linux-foundation.org>
Subject: Re: broken suspend (sched related) [Was: 2.6.24-rc4-mm1]
Date: Sat, 8 Dec 2007 16:24:47 +0100 [thread overview]
Message-ID: <20071208152447.GA30270@elte.hu> (raw)
In-Reply-To: <475A629C.7010408@gmail.com>
* Jiri Slaby <jirislaby@gmail.com> wrote:
> On 12/08/2007 09:39 AM, Ingo Molnar wrote:
> > * Jiri Slaby <jirislaby@gmail.com> wrote:
> >
> >> Unfortunately no change here.
> >
> > could you try to revert this change:
> >
> > -int softlockup_thresh = 10;
> > +int softlockup_thresh = 60;
> >
> > i.e. change the value of softlockup_thresh back to 10. You should be
> > able to tweak this runtime as well, without patching the kernel:
> >
> > echo 10 > /proc/sys/kernel/softlockup_thresh
>
> What should have this changed? I can't see any difference.
it changes the wakeup frequency of the softlockup thread.
i'm wondering why it had no effect now - the new code is in essence a
NOP over what we had. Could you send me your current (modified)
kernel/softlockup.c code?
Ingo
next prev parent reply other threads:[~2007-12-08 15:24 UTC|newest]
Thread overview: 153+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-05 5:17 2.6.24-rc4-mm1 Andrew Morton
2007-12-05 9:15 ` 2.6.24-rc4-mm1: kobj changes fallout on powerpc Olof Johansson
2007-12-05 13:11 ` Kamalesh Babulal
2007-12-05 15:46 ` Greg KH
2007-12-05 14:12 ` 2.6.24-rc4-mm1 kobject changes broken with hvcs driver " Kamalesh Babulal
2007-12-05 15:47 ` Greg KH
2007-12-06 18:19 ` Balbir Singh
2007-12-06 18:50 ` Greg KH
2007-12-06 18:49 ` Kamalesh Babulal
2007-12-06 18:58 ` Balbir Singh
2007-12-06 19:21 ` Badari Pulavarty
2007-12-07 1:29 ` Balbir Singh
2007-12-06 20:31 ` Greg KH
2007-12-06 23:54 ` Badari Pulavarty
2007-12-07 0:32 ` Greg KH
2007-12-07 3:02 ` Kamalesh Babulal
2007-12-07 5:14 ` Greg KH
2007-12-07 22:01 ` Balbir Singh
2007-12-05 23:41 ` 2.6.24-rc4-mm1: hostbyte=0x01 driverbyte=0x00 (now bisected) Alexey Dobriyan
2007-12-06 7:52 ` Hannes Reinecke
2007-12-06 12:08 ` Jens Axboe
2007-12-06 12:08 ` Jens Axboe
2007-12-06 19:19 ` Alexey Dobriyan
2007-12-06 3:15 ` 2.6.24-rc4-mm1 Kernel build fails on S390x Kamalesh Babulal
2007-12-06 7:19 ` Andrew Morton
2007-12-06 6:59 ` 2.6.24-rc4-mm1 Reuben Farrelly
2007-12-06 7:09 ` 2.6.24-rc4-mm1 David Miller
2007-12-07 13:16 ` 2.6.24-rc4-mm1 Ilpo Järvinen
2007-12-12 17:57 ` 2.6.24-rc4-mm1 Cedric Le Goater
2007-12-06 7:35 ` 2.6.24-rc4-mm1 Andrew Morton
2007-12-10 12:24 ` 2.6.24-rc4-mm1 Ilpo Järvinen
2007-12-10 20:05 ` 2.6.24-rc4-mm1 Ilpo Järvinen
2007-12-12 19:21 ` 2.6.24-rc4-mm1 Cedric Le Goater
2007-12-13 17:38 ` tcp_sacktag_one() WARNING (was Re: 2.6.24-rc4-mm1) Cedric Le Goater
2007-12-06 11:49 ` 2.6.24-rc4-mm1 Valdis.Kletnieks
2007-12-06 12:04 ` 2.6.24-rc4-mm1 Andrew Morton
2007-12-06 12:04 ` 2.6.24-rc4-mm1 Andrew Morton
2007-12-06 19:18 ` 2.6.24-rc4-mm1 Valdis.Kletnieks
2007-12-06 19:18 ` 2.6.24-rc4-mm1 Valdis.Kletnieks
2007-12-06 19:38 ` 2.6.24-rc4-mm1 Greg KH
2007-12-06 20:04 ` 2.6.24-rc4-mm1 Valdis.Kletnieks
2007-12-06 20:04 ` 2.6.24-rc4-mm1 Valdis.Kletnieks
2007-12-06 22:04 ` 2.6.24-rc4-mm1 Kay Sievers
2007-12-06 22:04 ` [dm-devel] " Kay Sievers
2007-12-06 22:12 ` Alasdair G Kergon
2007-12-06 22:12 ` [dm-devel] " Alasdair G Kergon
2007-12-06 23:12 ` Valdis.Kletnieks
2007-12-06 23:12 ` [dm-devel] " Valdis.Kletnieks
2007-12-06 23:24 ` Kay Sievers
2007-12-06 23:24 ` [dm-devel] " Kay Sievers
2007-12-07 18:20 ` Valdis.Kletnieks
2007-12-07 18:20 ` [dm-devel] " Valdis.Kletnieks
2007-12-07 18:44 ` Kay Sievers
2007-12-07 20:28 ` Valdis.Kletnieks
2007-12-07 20:28 ` [dm-devel] " Valdis.Kletnieks
2007-12-07 20:49 ` Kay Sievers
2007-12-07 20:49 ` [dm-devel] " Kay Sievers
2007-12-06 22:28 ` 2.6.24-rc4-mm1: VDSOSYM build error Laurent Riffard
2007-12-06 22:37 ` Andrew Morton
2007-12-06 23:28 ` Miles Lane
2007-12-06 23:34 ` Andrew Morton
2007-12-06 23:47 ` Miles Lane
2007-12-07 10:36 ` Ingo Molnar
2007-12-07 1:14 ` [PATCH x86/mm] x86 vDSO: canonicalize sysenter .eh_frame Roland McGrath
2007-12-07 1:27 ` Harvey Harrison
2007-12-07 3:27 ` Miles Lane
2007-12-07 9:44 ` Ingo Molnar
2007-12-07 2:12 ` 2.6.24-rc4-mm1 Dave Young
2007-12-07 22:22 ` 2.6.24-rc4-mm1 Luis R. Rodriguez
2007-12-10 1:07 ` 2.6.24-rc4-mm1 Dave Young
2007-12-09 17:55 ` 2.6.24-rc4-mm1 Nick Kossifidis
2007-12-07 8:35 ` [PATCH BUGFIX] hid: the `bit' in hidinput_mapping_quirks() is an out parameter Fengguang Wu
2007-12-07 8:35 ` Fengguang Wu
2007-12-10 10:03 ` Jiri Kosina
2007-12-07 14:34 ` broken suspend (sched related) [Was: 2.6.24-rc4-mm1] Jiri Slaby
2007-12-07 14:34 ` Jiri Slaby
2007-12-07 15:11 ` Ingo Molnar
2007-12-07 15:11 ` Ingo Molnar
2007-12-07 17:51 ` Ingo Molnar
2007-12-07 17:51 ` Ingo Molnar
2007-12-08 8:10 ` Jiri Slaby
2007-12-08 8:39 ` Ingo Molnar
2007-12-08 9:23 ` Jiri Slaby
2007-12-08 15:24 ` Ingo Molnar [this message]
2007-12-08 15:24 ` Ingo Molnar
2007-12-08 17:34 ` Jiri Slaby
2007-12-08 17:34 ` Jiri Slaby
2007-12-08 17:43 ` Jiri Slaby
2007-12-09 8:06 ` Ingo Molnar
2007-12-09 8:06 ` Ingo Molnar
2007-12-08 17:43 ` Jiri Slaby
2007-12-08 23:12 ` Jiri Slaby
2007-12-09 7:46 ` Ingo Molnar
2007-12-09 9:09 ` Jiri Slaby
2007-12-09 9:09 ` Jiri Slaby
2007-12-10 8:19 ` Gautham R Shenoy
2007-12-10 8:19 ` Gautham R Shenoy
2007-12-10 8:55 ` Jiri Slaby
2007-12-10 8:55 ` Jiri Slaby
2007-12-10 9:10 ` Ingo Molnar
2007-12-10 9:10 ` Ingo Molnar
2007-12-10 10:15 ` Gautham R Shenoy
2007-12-10 10:15 ` Gautham R Shenoy
2007-12-10 10:21 ` Ingo Molnar
2007-12-10 10:21 ` Ingo Molnar
2007-12-10 11:08 ` Gautham R Shenoy
2007-12-10 11:08 ` Gautham R Shenoy
2007-12-10 11:28 ` Ingo Molnar
2007-12-10 11:28 ` Ingo Molnar
2007-12-10 11:49 ` Gautham R Shenoy
2007-12-10 11:49 ` Gautham R Shenoy
2007-12-10 9:29 ` Ingo Molnar
2007-12-10 9:29 ` Ingo Molnar
2007-12-09 7:46 ` Ingo Molnar
2007-12-08 23:12 ` Jiri Slaby
2007-12-08 9:23 ` Jiri Slaby
2007-12-08 8:39 ` Ingo Molnar
2007-12-08 8:10 ` Jiri Slaby
2007-12-07 18:20 ` [PATCH] md: balance braces in raid5 debug code Mariusz Kozlowski
2007-12-07 23:56 ` 2.6.24-rc4-mm1: undefined reference to `compat_sys_timerfd' on sparc64 Mariusz Kozlowski
2007-12-08 0:04 ` Mariusz Kozlowski
2007-12-08 0:08 ` 2.6.24-rc4-mm1: undefined reference to `compat_sys_timerfd' on Andrew Morton
2007-12-08 0:08 ` 2.6.24-rc4-mm1: undefined reference to `compat_sys_timerfd' on sparc64 Andrew Morton
2007-12-08 9:17 ` Mariusz Kozlowski
2007-12-08 9:17 ` Mariusz Kozlowski
2007-12-11 10:15 ` 2.6.24-rc4-mm1: undefined reference to `compat_sys_timerfd' on David Miller
2007-12-11 10:15 ` 2.6.24-rc4-mm1: undefined reference to `compat_sys_timerfd' on sparc64 David Miller
2007-12-08 18:20 ` 2.6.24-rc4-mm1: some issues " Mariusz Kozlowski
2007-12-08 18:20 ` Mariusz Kozlowski
2007-12-08 18:22 ` Andrew Morton
2007-12-08 18:22 ` Andrew Morton
2007-12-09 8:45 ` David Miller
2007-12-09 8:45 ` David Miller
2007-12-09 9:03 ` Andrew Morton
2007-12-09 9:03 ` Andrew Morton
2007-12-10 14:48 ` 2.6.24-rc4-mm1 Reuben Farrelly
2007-12-10 21:11 ` 2.6.24-rc4-mm1 Andrew Morton
2007-12-11 14:12 ` 2.6.24-rc4-mm1 Reuben Farrelly
2007-12-11 16:20 ` 2.6.24-rc4-mm1 Martin Bligh
2007-12-11 16:59 ` 2.6.24-rc4-mm1 Randy Dunlap
2007-12-11 17:50 ` 2.6.24-rc4-mm1 Martin Bligh
[not found] ` <33307c790712110813h23def95dvd068b7226e9fcd36@mail.gmail.com>
2007-12-11 20:37 ` 2.6.24-rc4-mm1 Andrew Morton
2007-12-11 21:20 ` 2.6.24-rc4-mm1 Ingo Molnar
2007-12-11 21:26 ` 2.6.24-rc4-mm1 Kok, Auke
2007-12-11 21:59 ` 2.6.24-rc4-mm1 Kok, Auke
2007-12-11 22:10 ` 2.6.24-rc4-mm1 Andrew Morton
2007-12-11 22:17 ` 2.6.24-rc4-mm1 Kok, Auke
2007-12-11 23:15 ` 2.6.24-rc4-mm1 Randy Dunlap
2007-12-12 4:16 ` 2.6.24-rc4-mm1 Rik van Riel
2007-12-13 17:45 ` 2.6.24-rc4-mm1 - BUG in tcp_fragment Cedric Le Goater
2007-12-13 23:00 ` Ilpo Järvinen
2007-12-14 6:52 ` Cedric Le Goater
2007-12-14 20:14 ` [PATCH net-2.6.25] Revert recent TCP work Ilpo Järvinen
2007-12-16 22:21 ` David Miller
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