Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 05/11/2017 09:58 AM, Lars Ellenberg wrote:
>> I recently tried to update a pair of servers from linux-4.9 to linux-4.11 that
>> use DRBD 8.4.x (as included by the mainline linux kernel from kernel.org).
>
>> Any ideas what might go wrong here?
>
> Yes.
>
> Some upstream kernel patch that was not even Cc'ed to us broke DRBD.
I can now confirm that the patch
bdfafc4ffdd2 ("locking/atomic, kref: Kill kref_sub()")
you posted does remove the symptom on our machines - thanks!
Regards,
Lutz Vieweg