Hi Chris, reproduced the hang; attached are the logs from the sysrq's you suggested.
Attachment:
sysrq.txt.gz
Description: GNU Zip compressed data
On Nov 20, 2009, at 10:35 AM, Chris Mason wrote: > On Thu, Nov 19, 2009 at 06:18:49PM -0500, John Dong wrote: >> Managed to get some kernel logs this time. Some sort of deadlock? > > Ok, if you can still access the machine could you please run sysrq-w and > sysrq-t. That will print out the stacks of the stuck procs. We've > probably got a lock inversion hiding in the df handling. > > -chris > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html
