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From: Alexey Vlasov <renton@renton.name>
To: linux-kernel@vger.kernel.org
Subject: Re: BUG: soft lockup on all kernels after 2.6.3x
Date: Thu, 7 Mar 2013 17:34:14 +0400	[thread overview]
Message-ID: <20130307133414.GA6115@beaver> (raw)
In-Reply-To: <1360422473.6696.28.camel@edumazet-glaptop>

Hi,

On Sat, Feb 09, 2013 at 07:07:53AM -0800, Eric Dumazet wrote:
> >
> > I used 2.6.2x kernel for a long time on my shared hosting and I
> > didn't
> > have any problems. Kernels worked well and server uptime was about
> > 2-3
> > years.
> >
> > ...
> >
> > it doesn't happen on an empty server, only on loaded ones.
> > Unfortunately
> > I don't know how to provoke such hanging artificially.
> >

> Your traces dont contain symbols, its quite hard to guess the issue.

Well the server got high loaded and began to crash almost once a day.

=====
BUG: soft lockup - CPU#1 stuck for 23s! [httpd:21686]
Call Trace:
[<ffffffff8110bba5>] ? mntput_no_expire+0x25/0x170
[<ffffffff810f9389>] ? path_lookupat+0x189/0x890
[<ffffffff810f9b67>] ? filename_lookup.clone.39+0xd7/0xe0
[<ffffffff810fc85c>] ? user_path_at_empty+0x5c/0xb0
[<ffffffff8102b5f9>] ? __do_page_fault+0x1b9/0x480
[<ffffffff810f146e>] ? vfs_fstatat+0x3e/0x90
[<ffffffff810c54bf>] ? remove_vma+0x5f/0x70
[<ffffffff810f168f>] ? sys_newstat+0x1f/0x50
[<ffffffff814b09c2>] ? page_fault+0x22/0x30
[<ffffffff814b0f49>] ? system_call_fastpath+0x18/0x1d
=====

There's a full trace in attachment.

-- 
BRGDS. Alexey Vlasov.

  parent reply	other threads:[~2013-03-07 13:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-09 14:10 BUG: soft lockup on all kernels after 2.6.3x Alexey Vlasov
2013-02-09 15:07 ` Eric Dumazet
2013-02-09 15:30   ` Alexey Vlasov
2013-03-07 12:54   ` Alexey Vlasov
2013-03-07 16:20     ` Eric Dumazet
2013-03-07 16:37       ` Alexey Vlasov
2013-03-07 16:44         ` richard -rw- weinberger
2013-03-07 16:57         ` Eric Dumazet
2013-03-09 19:11           ` Alexey Vlasov
2013-03-07 13:34   ` Alexey Vlasov [this message]
2013-03-07 13:41     ` BUG: soft lockup on all kernels after 2.6.3x (include full log) Alexey Vlasov

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