From: Anant Nitya <kernel@prachanda.info>
To: tglx@linutronix.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG] local_softirq_pending storm
Date: Thu, 17 May 2007 12:11:22 +0530 [thread overview]
Message-ID: <200705171211.23350.kernel@prachanda.hub> (raw)
In-Reply-To: <1178834326.22481.18.camel@localhost.localdomain>
On Friday 11 May 2007 03:28:46 Thomas Gleixner wrote:
> Ok, that's consistent with earlier reports. The problem surfaces when
> one of the SMT-"cpus" goes idle. The problem goes away when you disable
> hyperthreading.
Yes with HT disabled in BIOS there is no local_softirq_pending messages. BTW
why does this problem persist only with X ?
> When you apply the ratelimit patch, does the softlockup problem
> persist ?
>
Yes, though softlockup is rare and mostly hit when system is under high load.
Apart of that I am also getting following messages consistently across
multiple boot cycles with NOHZ=y and ratelimit patch applied.
May 15 11:51:22 rudra kernel: [ 2594.341068] Clocksource tsc unstable (delta =
28111260302 ns)
May 15 11:51:22 rudra kernel: [ 2594.343194] Time: acpi_pm clocksource has
been installed.
next prev parent reply other threads:[~2007-05-17 6:42 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-09 14:12 Anant Nitya
2007-05-09 16:31 ` Thomas Gleixner
2007-05-10 11:53 ` Anant Nitya
2007-05-10 21:58 ` Thomas Gleixner
2007-05-17 6:41 ` Anant Nitya [this message]
2007-05-18 13:01 ` Thomas Gleixner
2007-05-19 4:30 ` Anant Nitya
2007-05-19 9:55 ` Anant Nitya
2007-05-19 19:11 ` Thomas Gleixner
2007-05-19 21:23 ` Anant Nitya
2007-05-20 21:43 ` Thomas Gleixner
2007-05-21 6:22 ` Anant Nitya
2007-05-21 9:01 ` Thomas Gleixner
2007-05-21 10:02 ` Anant Nitya
2007-05-21 18:45 ` Anant Nitya
2007-05-22 19:03 ` Michal Piotrowski
2007-05-22 19:59 ` Michal Piotrowski
2007-05-22 20:10 ` Ingo Molnar
2007-05-22 20:23 ` Michal Piotrowski
2007-05-23 17:00 ` Chuck Ebbert
2007-05-23 18:38 ` Chuck Ebbert
2007-05-23 23:24 ` Anant Nitya
2007-05-24 7:45 ` Ingo Molnar
2007-05-20 10:18 ` Heiko Carstens
2007-05-20 13:52 ` Thomas Gleixner
2007-05-20 18:36 ` Heiko Carstens
[not found] ` <20070520191800.GA14225@osiris.ibm.com>
[not found] ` <1179689389.6570.1.camel@chaos>
[not found] ` <20070521200428.GA9855@osiris.ibm.com>
2007-05-23 20:54 ` Mikulas Patocka
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