Got this soon after boot:
[ 720.086389] INFO: task pidgin:11330 blocked for more than 120 seconds.
[ 720.086402] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1
[ 720.086406] echo 0 /proc/sys/kernel/hung_task_timeout_secs disables this
message.
[ 720.086411] pidgin D
On Wed, May 14, 2014 at 08:28:30AM -0400, Chris Mason wrote:
I think Filipe fixed this one:
https://patchwork.kernel.org/patch/4143821/
I applied this patch, and I don't have the same deadlock anymore, but
legolas:/mnt/btrfs_pool1# btrfs-subvolume-backup --init -k 5 var
/mnt/btrfs_pool2/
On May 14, 2014, at 2:55 PM, Marc MERLIN m...@merlins.org wrote:
INFO: task btrfs:13329 blocked for more than 120 seconds.
Pretty much anytime blocked for more than 120 seconds is reported, devs ask for
sysrq-w. Typically that translates into three steps:
echo 1 /proc/sys/kernel/sysrq
echo
