From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Subject: Re: [Bugme-new] [Bug 15091] New: starfire causes kernel BUG when interface goes up Date: Tue, 26 Jan 2010 14:44:31 +1300 Message-ID: <4B5E48FF.2050406@moffatt.org.nz> References: <20100125170816.db9435ed.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org, Alan Cox To: Andrew Morton Return-path: Received: from smtp4.clear.net.nz ([203.97.37.64]:46970 "EHLO smtp4.clear.net.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752792Ab0AZCAF (ORCPT ); Mon, 25 Jan 2010 21:00:05 -0500 Received: from zurvan.moffatt.org.nz (203-79-69-250.cable.telstraclear.net [203.79.69.250]) by smtp4.clear.net.nz (CLEAR Net Mail) with ESMTP id <0KWT00318ZI93R40@smtp4.clear.net.nz> for netdev@vger.kernel.org; Tue, 26 Jan 2010 14:44:34 +1300 (NZDT) In-reply-to: <20100125170816.db9435ed.akpm@linux-foundation.org> Sender: netdev-owner@vger.kernel.org List-ID: Hi Andrew, I believe that this is a regression, yes. I will attempt to compile up some kernels this week and provide more info. Should I start at 26 and go up or at 31 and go down? I can't use anything lower than 26 according to udev. I was running 24 but compiled 32 when I upgraded udev. Regards, Michael. Andrew Morton wrote: > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > On Wed, 20 Jan 2010 04:29:20 GMT > bugzilla-daemon@bugzilla.kernel.org wrote: > > >> http://bugzilla.kernel.org/show_bug.cgi?id=15091 >> >> Summary: starfire causes kernel BUG when interface goes up >> Product: Drivers >> Version: 2.5 >> Kernel Version: 2.6.32 >> Platform: All >> OS/Version: Linux >> Tree: Mainline >> Status: NEW >> Severity: normal >> Priority: P1 >> Component: Network >> AssignedTo: drivers_network@kernel-bugs.osdl.org >> ReportedBy: michael@moffatt.org.nz >> Regression: No >> >> >> Created an attachment (id=24651) >> --> (http://bugzilla.kernel.org/attachment.cgi?id=24651) >> ls -l /dev (before crash) >> >> I formerly used 2.6.20 and 2.6.24 with a couple of starfire 4 port ethernet >> cards. On 2.6.32 the interfaces don't start on boot and when I issue "ifconfig >> ethX up" (where X is a starfire port). >> >> Sometimes the exception causes the whole kernel to freeze. Sometimes the kernel >> keeps going. On the occasion that the kernel kept going I was able to retrieve >> syslog, which has the full kernel information. >> >> Note that in syslog, you can see that I inserted a USB memory stick in order to >> copy off the attached files. The kernel oops happens without the USB memory >> stick inserted. >> >> I can reproduce this at will. At the moment I simply can't use my two four port >> starfire network cards. >> >> This PC is a root-over-NFS system. >> >> > > Starfire is triggering the BUG_ON(!test_bit(NAPI_STATE_SCHED, > &n->state)); in napi_enable(). > > This is a regression somewhere between 2.6.24 and 2.6.32(!). > > >