linux-kernel - Re: 2.6.17-rt8 crash amd64

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: <20060802021956.GC26364@gnuppy.monkey.org>
Date:	Tue, 1 Aug 2006 19:19:56 -0700
From:	Bill Huey (hui) <billh@...ppy.monkey.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.17-rt8 crash amd64

On Tue, Aug 01, 2006 at 09:31:42PM -0400, Steven Rostedt wrote:
> On Tue, 2006-08-01 at 18:18 -0700, Bill Huey wrote:
> > [   42.124525]        <ffffffff8029ae98>{atomic_dec_and_spin_lock+21}
> > [   42.131032]        <ffffffff8025fd89>{schedule+236}
> > [   42.136195]        <ffffffff8026078f>{rt_lock_slowlock+351}
> > [   42.142086]        <ffffffff8026117d>{__lock_text_start+13}
> > [   42.147966]        <ffffffff8029ae98>{atomic_dec_and_spin_lock+21}
> > [   42.154476]        <ffffffff8020c4e9>{dput+57}
> > [   42.159194]        <ffffffff802093f3>{__link_path_walk+1710}
> > [   42.165166]        <ffffffff802617ad>{_raw_spin_unlock+46}
> > [   42.170961]        <ffffffff8020db81>{link_path_walk+103}
> > [   42.176672]        <ffffffff8020be5a>{do_path_lookup+644}
> > [   42.182379]        <ffffffff80223829>{__user_walk_fd+63}
> > [   42.187994]        <ffffffff8023fce4>{vfs_lstat_fd+33}
> > [   42.193434]        <ffffffff8022b3e4>{sys_newlstat+34}
> > [   42.198871]        <ffffffff8025ce3d>{error_exit+0}
> > [   42.204040]        <ffffffff8025bf22>{system_call+126}
> 
> This back trace is definitely ugly.  Do you get this all the time? And
> if so, could you compile in frame pointers and try again.  (I'll dig
> through this in the mean time.) 

Not sure, I'm getting hard reboots as well from what looks like more
atomic scheduling violations. I'll tweek my kernel config to be more
friendly about these things. It looked like it was in the rtmutex code,
which is why I CCed you.

Any other configuration suggestions ?

bill

-
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/