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Date: Tue, 18 Mar 2008 01:50:06 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Jarek Poplawski <jarkao2@...il.com> Cc: davem@...emloft.net, shemminger@...ux-foundation.org, netdev@...r.kernel.org, rjw@...k.pl, "bugme-daemon@...nel-bugs.osdl.org" <bugme-daemon@...zilla.kernel.org> Subject: [Bug 10238] Re: [PATCH] Re: netconsole still hangs On Tue, 18 Mar 2008 08:04:39 +0000 Jarek Poplawski <jarkao2@...il.com> wrote: > On Mon, Mar 17, 2008 at 04:12:22PM -0700, Andrew Morton wrote: > ... > > I retested. This patch doesn't appear to make anything worse, but the hang > > is still there. > > Yes, but since this doesn't look like something very common, and we > don't even know if this OOPS and the hangs are the same bug, there is > needed more information e.g.: > > - is it reproducible with e1000E only and no wlan? Yes. Both the machines I can reproduce this on have both E1000=y and E1000E=y. From the dmesg (below), one uses e1000 and the other uses e1000e. Both crash. http://userweb.kernel.org/~akpm/config-akpm2.txt http://userweb.kernel.org/~akpm/dmesg-akpm2.txt http://userweb.kernel.org/~akpm/config-t61p.txt http://userweb.kernel.org/~akpm/dmesg-t61p.txt I used to be able to reproduce the problems with a 2-way i386 e100 system, but that seems to be fixed now, perhaps from David's revert. I also used to be able to reproduce the problem on a one-way i386 e100 machine but that also seem to have gone away. > - is there a possibility to check this with some other card > (even wlan while e1000E is off)? err, dunno. Perhaps I could try e1000 on the e1000e-using machine and vice versa, but for that some PCI ID table hacking might be needed. I cc'ed bugzilla on this thread. > - could you add .config to the bugzilla report: > http://bugzilla.kernel.org/show_bug.cgi?id=10238 See above. > - is it acceptable to send you some patches for debugging this? As a last resort. But it'd surely be better if a net developer could reproduce this and do some work on it. It's bog-trivial to reproduce here and afaik nobody has even tried. Perhaps you have... service syslog stop while true do echo t > /proc/sysrq-trigger done and that's it. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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