linux-kernel - Re: Apparent Deadlock with nfsd/jfs on 2.6.21.1 under bonnie.

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: <1180462215.10013.2.camel@kleikamp.austin.ibm.com>
Date:	Tue, 29 May 2007 13:10:15 -0500
From:	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
To:	Roger Heflin <rheflin@...pa.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Apparent Deadlock with nfsd/jfs on 2.6.21.1 under bonnie.

On Tue, 2007-05-29 at 12:16 -0500, Roger Heflin wrote:

> Dave,
> 
> Apparently there appears to be another different similar lockup,
> The MTBF has risen from 1-2 hours without that patch to >100 hours,
> so I am fairly sure the patch did correct the original lockup, or
> at the very least make it a lot less likely.
> 
> I hit the machine across NFS for 5 days before it deadlocked, before
> the patch I could only get an hour or two (2-4 different tries).
> 
> Given that pdflush is "D" it does not appear to be an NFS issue.
> 
> Included is the sysrq-t.
> 
> This is with 2.6.21.1 + the JFSIO patch.

Is the system still in this state?  Can you cat /proc/fs/jfs/TxAnchor
(if CONFIG_JFS_DEBUG is defined) and /proc/fs/jfs/txstats (if
CONFIG_JFS_STATISTICS is defined)?

Thanks,
Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

-
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/