On 2011-03-15 13:11, Anton Altaparmakov wrote: > Hi, > > On 15 Mar 2011, at 10:17, Torsten Hilbrich wrote: >> On 10.03.2011 11:39, Torsten Hilbrich wrote: >>> I ran into the same problem and successfully applied your fix. >>> >>> I was able to reproduce this panic and bisected it to the following commit: >>> >>> commit aaead25b954879e1a708ff2f3602f494c18d20b5 >>> Author: Christoph Hellwig <hch@xxxxxx> >>> Date: Mon Oct 4 14:25:33 2010 +0200 >>> >>> writeback: always use sb->s_bdi for writeback purposes >>> >>> The steps to reproduce it on my test system (T60p with Intel Core Duo) were. >> >> Added Christoph to CC. I also open a bug report at https://bugzilla.kernel.org/show_bug.cgi?id=31112 > > This is already being handled. It is the same as other bug reports, > i.e. the fact that sb->s_bdi is made NULL on device removal and if it > happens at the wrong time you then get a NULL pointer dereference. > > Jens Axboe just only yesterday posted an initial patch for this. Can > you please test it and report back if it does indeed cure the problem? > > The patch can be found here for example: > > https://lkml.org/lkml/2011/3/14/25 Yes, any testing of that patch would be greatly appreciated. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html