[Drbd-dev] stonith-related regression introduced around kernel 3.13, with 3.15.3 still affected

Lars Ellenberg lars.ellenberg at linbit.com
Thu Jul 3 15:44:17 CEST 2014

On Thu, Jul 03, 2014 at 03:07:18PM +0200, Mariusz Mazur wrote:
> My setup is two nodes with drbd double master, corosync, pacemaker, clvmd, xen 
> 4.4.0.
> Here's what happens when I reboot -f one of the nodes and the surviving node 
> is kernel 3.12.23 or earlier (oldest tested was 3.6.something):

Yep, someone changed the in kernel kthread api
to use wait_for_completion_killable()
where it used to be wait_for_completion().

Which has some bad interactions with how DRBD handles things.
This is being fixed.


: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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