On Thu, Oct 27, 2011 at 03:09:05PM -0400, Don Zickus wrote: > On Thu, Oct 27, 2011 at 02:43:22PM -0400, Jeff Moyer wrote: > > >> This doesn't look like the same problem. Here we've got BUG: scheduling > > >> while atomic. If it was the bug fixed by the above commits, then you > > >> would hit a BUG_ON. I would start looking at the btrfs bits to see if > > >> they're holding any locks in this code path. > > > > > > Ignore that one and move to IMG_0350.IMG. 'scheduling while atomic' is > > > just noise. Besides Mike and Vivek told me to blame you for not pushing > > > Jens harder on these fixes. :-))))) > > > > I'm looking at 0355, which shows the very top of the trace, and that > > says BUG: scheduling while atomic. So the problem reported here *is* > > different from the one fixed by the above two commits. In fact, I don't > > see evidence of the multipath + flush issue in any of these pictures. > > You have to ignore the 'schedule while atomic' thing it is just a > > printk("BUG: scheduling while atomic"), it is _not_ a BUG(). :-) > (hint read kernel/sched.c::__schedule_bug) May be thread holding the queue lock got scheduled out hence leading to deadlock. ? Thanks Vivek _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel