[+linux-scsi] On Wed, 2014-04-09 at 15:49 -0700, Davidlohr Bueso wrote: > On Wed, 2014-04-09 at 10:39 +0800, Baoquan He wrote: > > Hi, > > > > The kernel is 3.14.0+ which is pulled just now. > > Cc'ing more people. > > While the hpsa driver appears to be involved in some way, I'm sure if > this is a related issue, but as of today's pull I'm getting another > problem that causes my DL980 not to come up. > > *Massive* amounts of: > > DMAR:[fault reason 02] Present bit in context entry is clear > dmar: DRHD: handling fault status reg 602 > dmar: DMAR:[DMA Read] Request device [02:00.0] fault addr 7f61e000 > > Then: > > hpsa 0000:03:00.0: Controller lockup detected: 0xffff0000 > ... > Workqueue: events hpsa_monitor_ctlr_worker [hpsa] > ... > > Screenshot of the actual LOCKUP: > http://stgolabs.net/hpsa-hard-lockup-3.14+.png > > While I haven't bisected, things worked fine until at least until commit > 39de65aa2c3e (April 2nd). > > Any ideas? Well, it's either a DMA remapping issue or a hpsa one. Your assertion that everything worked fine until 39de65aa2c3e would tend to vindicate hpsa, because all the hpsa changes went in before that under Merge: 3e75c6d b2bff6c Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Date: Tue Apr 1 18:49:04 2014 -0700 Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi can you revalidate that this commit works OK just to make sure? James -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html