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