From mboxrd@z Thu Jan 1 00:00:00 1970 From: Plamen Petrov Subject: Re: [Bugme-new] [Bug 16626] New: Machine hangs with EIP at skb_copy_and_csum_dev Date: Fri, 20 Aug 2010 08:03:21 +0300 Message-ID: <4C6E0C99.2060407@fs.uni-ruse.bg> References: <20100819152143.8a57c465.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org, bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org To: Andrew Morton Return-path: Received: from [83.228.35.12] ([83.228.35.12]:49944 "EHLO fs.ru.acad.bg" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751016Ab0HTFJC (ORCPT ); Fri, 20 Aug 2010 01:09:02 -0400 In-Reply-To: <20100819152143.8a57c465.akpm@linux-foundation.org> Sender: netdev-owner@vger.kernel.org List-ID: (responding via emailed reply-to-all) =D0=9D=D0=B0 20.8.2010 =D0=B3. 01:21, Andrew Morton =D0=BD=D0=B0=D0=BF=D0= =B8=D1=81=D0=B0: > > (switched to email. Please respond via emailed reply-to-all, not via= the > bugzilla web interface). > > On Thu, 19 Aug 2010 09:57:25 GMT > bugzilla-daemon@bugzilla.kernel.org wrote: > >> https://bugzilla.kernel.org/show_bug.cgi?id=3D16626 >> >> Summary: Machine hangs with EIP at skb_copy_and_csum_dev >> Product: Drivers >> Version: 2.5 >> Kernel Version: 2.6.36-rc1-00127-g763008c >> Platform: All >> OS/Version: Linux >> Tree: Mainline >> Status: NEW >> Severity: blocking >> Priority: P1 >> Component: PCI >> AssignedTo: drivers_pci@kernel-bugs.osdl.org >> ReportedBy: pvp-lsts@fs.uni-ruse.bg >> Regression: Yes > > A post-2.6.35 regression. > >> >> After upgrade from 2.6.33.7 to 2.6.35.2 a server hanged twice, so >> continued on 2.6.33.7. >> >> Today decided to try lates Linus' tree with no luck. >> >> The first time I started on 2.6.36-rc1-00127-g763008c it ran for a f= ew >> minutes, then whent dead with this on the screen: >> [picture 1] >> http://picpaste.com/9cfb03116d41f27568e1bb2a67b7f4dc.jpg >> >> [picture 2] >> Then I power-cycled the machine, only two get this: >> http://picpaste.com/6d70f453e462d1aed038781ad4bdb741.jpg >> >> And because [picture 2] seemed too bad on the lower half of the scre= en, >> here is >> [picture 3] >> http://picpaste.com/0a51ae079ace2e4abd9e9d29226069f7.jpg > > Might have triggered the BUG_ON() in skb_copy_and_csum_dev(). Might = be > a tg3 thing. Hard to tell. > > It'd be really nice to get that first screenful. Sigh. How long hav= e > we had this oops-scrolls-off problem?? Perhaps you could set > /proc/sys/kernel/printk_delay to 100 (it's in milliseconds) so that t= he > oops scrolls past nice and slowly? > So you need the begining of the oops screen - I will try to get that with the proposed pirntk_delay setting. But wich kernel should I use? Linus' latest tree or 2.6.35.2 ? They both fail the same way here, as far as I can say.