From: Mike Galbraith <efault@gmx.de>
To: Pavel Roskin <proski@gnu.org>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"John W. Linville" <linville@tuxdriver.com>
Subject: Re: rt2800usb: memory corruption?
Date: Sun, 02 Aug 2009 08:29:06 +0200 [thread overview]
Message-ID: <1249194546.7634.4.camel@marge.simson.net> (raw)
In-Reply-To: <1249190209.7486.4.camel@marge.simson.net>
On Sun, 2009-08-02 at 07:16 +0200, Mike Galbraith wrote:
> On Sat, 2009-08-01 at 20:21 -0400, Pavel Roskin wrote:
> > On Sat, 2009-08-01 at 12:55 +0200, Mike Galbraith wrote:
> >
> > > Enabled slub/pagealloc debugging. First down/rmmod said...
> >
> > I suggest that you try kmemcheck. It's very slow, but it finds memory
> > problems when they occur, not when it's too late.
> >
> > You may want to disable kmemleak and framebuffer support and make sure
> > that X doesn't start, at it will be too slow. Slub debugging might
> > conflict with kmemcheck, so it's better to disable it.
>
>
> I didn't even get as far as down/rmmod. Kmemcheck fired as soon as the
> interface came up.
Corruption seems to be SMP only. I cycled down/rmmod/modprobe a few
times with kmemcheck enabled (disables smp unfortunately), kmemcheck
didn't trigger, nor did box have a conniption.
-Mike
next prev parent reply other threads:[~2009-08-02 6:29 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-30 9:22 [wireless] rt2870sta BUGs on shutdown, 2.6.30.2->git.today+git.wireless.today Mike Galbraith
2009-07-30 9:29 ` Johannes Berg
2009-07-30 9:44 ` Mike Galbraith
2009-07-30 9:55 ` Johannes Berg
2009-07-30 10:05 ` Mike Galbraith
2009-07-30 12:11 ` [rt2800 doesn't authenticate (wpapsk/tkip)] " Mike Galbraith
2009-08-01 5:25 ` rt2800usb: memory corruption? Mike Galbraith
2009-08-01 10:55 ` Mike Galbraith
2009-08-02 0:21 ` Pavel Roskin
2009-08-02 5:16 ` Mike Galbraith
2009-08-02 6:29 ` Mike Galbraith [this message]
2009-08-02 6:47 ` Mike Galbraith
2009-08-06 10:12 ` Pavel Roskin
2009-07-30 10:06 ` [wireless] rt2870sta BUGs on shutdown, 2.6.30.2->git.today+git.wireless.today Luis Correia
2009-07-30 13:17 ` Bartlomiej Zolnierkiewicz
2009-07-30 16:52 ` Ivo van Doorn
2009-07-30 17:09 ` Mike Galbraith
2009-07-30 17:11 ` Johannes Berg
2009-07-30 17:26 ` Greg KH
2009-07-30 18:04 ` Dan Williams
2009-07-30 18:13 ` Greg KH
2009-08-02 9:10 ` Peter Teoh
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