linux-kernel - Re: softlockup: automatically detect hung TASK

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1202309402.6310.0.camel@lappy>
Date:	Wed, 06 Feb 2008 15:50:02 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: softlockup: automatically detect hung TASK_UNINTERRUPTIBLE
	tasks


On Tue, 2008-02-05 at 16:46 -0800, Andrew Morton wrote:
> On Fri, 25 Jan 2008 22:59:17 GMT
> Linux Kernel Mailing List <linux-kernel@...r.kernel.org> wrote:
> 
> > Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=82a1fcb90287052aabfa235e7ffc693ea003fe69
> > Commit:     82a1fcb90287052aabfa235e7ffc693ea003fe69
> > Parent:     d0d23b5432fe61229dd3641c5e94d4130bc4e61b
> > Author:     Ingo Molnar <mingo@...e.hu>
> > AuthorDate: Fri Jan 25 21:08:02 2008 +0100
> > Committer:  Ingo Molnar <mingo@...e.hu>
> > CommitDate: Fri Jan 25 21:08:02 2008 +0100
> > 
> >     softlockup: automatically detect hung TASK_UNINTERRUPTIBLE tasks
> 
> One of my test boxes (an 8-way x86_64 software-development thing from Intel
> - I'm not sure what's inside it) no longer powers itself off when I run `halt
> -pfn'.
> 
> During bisection I found two different problems.  Sometimes the machine
> wouldn't power off at all.  Other times it would power off after a pause of
> around twenty seconds.
> 
> Bisection indicates that this commit is what caused the 20-second pause. 
> It could be that some later commit caused the infinity-second pause.


Does that kernel have:

commit ed50d6cbc394cd0966469d3e249353c9dd1d38b9
Author: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Date:   Sat Feb 2 00:23:08 2008 +0100

    debug: softlockup looping fix



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/