From: Andrew Morton <akpm@linux-foundation.org>
To: Jeffrey Merkey <jeffmerkey@gmail.com>
Cc: linux-kernel@vger.kernel.org, Dan Williams <dan.j.williams@intel.com>
Subject: Re: 2.6.34 Crash in dmaengine_put()
Date: Mon, 21 Jun 2010 20:28:54 -0700 [thread overview]
Message-ID: <20100621202854.de928e0a.akpm@linux-foundation.org> (raw)
In-Reply-To: <AANLkTilCW2iqsNaWM9NYIomy8OxGC9jG40KpLcKMYTqL@mail.gmail.com>
On Mon, 21 Jun 2010 20:57:40 -0600 Jeffrey Merkey <jeffmerkey@gmail.com> wrote:
> If someone sets the IFF_UP flags in the netdev structure without going
> through ifup userspace stuff, during unregister of the the netdev
> the dmaengine-put code will decrement the reference counter negative,
> and crash at BUG! in the driver/dma/dmaengine.c code. This seems
> busted.
>
Please send a copy of the kernel BUG trace.
next prev parent reply other threads:[~2010-06-22 3:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-22 2:57 2.6.34 Crash in dmaengine_put() Jeffrey Merkey
2010-06-22 3:28 ` Andrew Morton [this message]
2010-06-22 14:08 ` Jeffrey Merkey
2010-06-22 14:43 ` Eric Dumazet
2010-06-22 16:36 ` Jeffrey Merkey
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100621202854.de928e0a.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=dan.j.williams@intel.com \
--cc=jeffmerkey@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).