On 2011-04-17 20:37, Bart Van Assche wrote: > On Sun, Apr 17, 2011 at 7:03 PM, Linus Torvalds > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >> On Sun, Apr 17, 2011 at 5:57 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote: >>> This message has been generated automatically as a part of a summary report >>> of recent regressions. >>> >>> The following bug entry is on the current list of known regressions >>> from 2.6.38. Please verify if it still should be listed and let the tracking team >>> know (either way). >>> >>> >>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32982 >>> Subject : Kernel locks up a few minutes after boot >>> Submitter : Bart Van Assche <bart.vanassche@xxxxxxxxx> >>> Date : 2011-04-10 19:55 (8 days old) >> >> Is this machine running a RAID5 setup or something like that? >> >> There is a known interaction with the new block layer plugging code >> and MD. The "hung task" report in that bugzilla looks very much like >> that issue. And you do have "root=/dev/md0", so clearly there's some >> md thing going on. >> >> And bisecting might not work all that well for it, because I suspect >> it ends up being very much a matter of IO patterns how it triggers. >> >> Neil supposedly has a patch for it, but I haven't seen it yet. Neil, Jens? > > (converted top-posting into bottom-posting) > > Hello Linus, > > On the system on which bug #32982 has been triggered md0, md1 and md2 > have been configured as two-disk RAID1 (mirroring). > > I've done my best to trigger enough I/O in order to obtain reliable > bisect results. A difficulty I encountered during bisecting though was > that I encountered unbootable kernels (all skipped revisions). Bart, can you try and pull: git://git.kernel.dk/linux-2.6-block.git for-linus into Linus' tree and see if that works? This has, among other things, Neils fixes for MD. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
