Have you checked on the server when this deadlock happened? >From my experience, you will get a trace for the warning. 2015-08-10 16:51 GMT+02:00 Stefan Priebe <s.priebe@xxxxxxxxxxxx>: > Am 03.08.2015 um 08:25 schrieb Stefan Priebe - Profihost AG: >> >> >> >> Am 03.08.2015 um 08:21 schrieb Ming Lin: >>> >>> On Fri, Jul 31, 2015 at 11:08 PM, Stefan Priebe <s.priebe@xxxxxxxxxxxx> >>> wrote: >>>> >>>> Hi, >>>> >>>> any ideas about this deadlock: >>>> 2015-08-01 00:05:05 "echo 0 > >>>> /proc/sys/kernel/hung_task_timeout_secs" >>>> disables this message. >>>> 2015-08-01 00:05:05 Tainted: G O 3.18.19+47-ph #1 >>>> 2015-08-01 00:05:05 INFO: task xfsaild/bcache5:2437 blocked for more >>>> than 120 seconds. >>> >>> >>> No backtrace? >>> >> >> Yes, no backtrace. > > > Any chance or idea to fix this? This happens every day at a different server > and is really annoying. > > > Stefan > -- > To unsubscribe from this list: send the line "unsubscribe linux-bcache" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html