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 [BUG] local_softirq_pending storm 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200705171211.23350.kernel@prachanda.hub \
--to=kernel@prachanda.info \
--cc=linux-kernel@vger.kernel.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.