linux-kernel - Re: 2.6.24 regression: pan hanging unkilleable and un-straceable

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: <1200978207.3944.8.camel@homer.simson.net>
Date:	Tue, 22 Jan 2008 06:03:27 +0100
From:	Mike Galbraith <efault@....de>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Frederik Himpe <fhimpe@...enet.be>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.24 regression: pan hanging unkilleable and un-straceable


On Tue, 2008-01-22 at 11:05 +1100, Nick Piggin wrote:
> On Tuesday 22 January 2008 07:58, Frederik Himpe wrote:
> > With Linux 2.6.24-rc8 I often have the problem that the pan usenet
> > reader starts using 100% of CPU time after some time. When this happens,
> > kill -9 does not work, and strace just hangs when trying to attach to
> > the process. The same with gdb. ps shows the process as being in the R
> > state.
> >
> > I pressed Ctrl-Alt-SysRq-T, and this was shown for pan:
> > Jan 21 21:45:01 Anastacia kernel: pan           R  running task        0 
> 
> Well I've twice tried to submit a patch to print stacks for running
> tasks as well, but nobody seems interested. It would at least give a
> chance to see something.

I've hit same twice recently (not pan, and not repeatable).

--
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/