linux-kernel - Re: [PATCH 6/6] workqueue: reimplement WQ_HIGHPRI using a separate worker

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: <20120712233645.GG20167@google.com>
Date:	Thu, 12 Jul 2012 16:36:45 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Tony Luck <tony.luck@...il.com>
Cc:	Fengguang Wu <fengguang.wu@...el.com>,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	joshhunt00@...il.com, axboe@...nel.dk, rni@...gle.com,
	vgoyal@...hat.com, vwadekar@...dia.com,
	herbert@...dor.apana.org.au, davem@...emloft.net,
	linux-crypto@...r.kernel.org, swhiteho@...hat.com, bpm@....com,
	elder@...nel.org, xfs@....sgi.com, marcel@...tmann.org,
	gustavo@...ovan.org, johan.hedberg@...il.com,
	linux-bluetooth@...r.kernel.org, martin.petersen@...cle.com
Subject: Re: [PATCH 6/6] workqueue: reimplement WQ_HIGHPRI using a separate
 worker_pool

Hello, Tony.

On Thu, Jul 12, 2012 at 04:24:47PM -0700, Tony Luck wrote:
> On Thu, Jul 12, 2012 at 3:32 PM, Tejun Heo <tj@...nel.org> wrote:
> > Can you please try the following debug patch instead?  Yours is
> > different from Fengguang's.
> 
> New dmesg from mext-20120712 + this new patch (instead of previous one)
> 
> [Note - I see some XXX traces, but no WARN_ON stack dump this time]

The debug patch didn't do anything for the bug itself.  I suppose it's
timing dependent and doesn't always happen (it never reproduces here
for some reason).  Can you please repeat several times and see whether
the warning can be triggered?

Thank you very much!

-- 
tejun
--
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/