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]
Date:	Wed, 03 Oct 2012 01:17:12 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Michael Tokarev <mjt@....msk.ru>,
	David Miller <davem@...emloft.net>
Cc:	Ferenc Wagner <wferi@...f.hu>, Michael Chan <mchan@...adcom.com>,
	netdev@...r.kernel.org, Matt Carlson <mcarlson@...adcom.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: tg3 driver upgrade (Linux 2.6.32 -> 3.2) breaks IBM Bladecenter
 SoL

On Tue, 2012-10-02 at 23:06 +0400, Michael Tokarev wrote:
> On 02.10.2012 22:49, Ferenc Wagner wrote:
> > "Michael Chan" <mchan@...adcom.com> writes:
> >> These are the likely fixes:
> >>
> >> commit cf9ecf4b631f649a964fa611f1a5e8874f2a76db 
> >> Author: Matt Carlson <mcarlson@...adcom.com>
> >> Date: Mon Nov 28 09:41:03 2011 +0000
> >>
> >> tg3: Fix TSO CAP for 5704 devs w / ASF enabled
> > 
> > You are exactly right: cf9ecf4b fixed the premanent SoL breakage
> > introduced by dabc5c67.  Looks like ASF utilizes similar technology to
> > that of the HS20 BMC.  Thanks for the tip, it greatly reduced our CPU
> > wear. :)  It's a pity ethtool -k did not give a hint.  Do you think it's
> > possible to work around in 3.2 by eg. fiddling some ethtool setting?
> 
> Maybe it's better to push this commit to -stable instead?

But that will take time, so I imagine a temporary workaround would be
useful to Ferenc.

> (the commit
> that broke things is part of 3.0 kernel so all current 3.x -stable
> kernels are affected)
[...]

The fix went into 3.3, so only 3.0 and 3.2 need it.

David, please can you include the above commit in your next batches for
these stable series?

Ben.

-- 
Ben Hutchings
For every complex problem
there is a solution that is simple, neat, and wrong.

Download attachment "signature.asc" of type "application/pgp-signature" (829 bytes)

Powered by blists - more mailing lists