------- Comment From jac...@de.ibm.com 2017-03-28 12:23 EDT------- Just tried Kernel 4.4.0-70 ->
/var/log/syslog: Mar 28 18:07:46 mclint multipathd[888]: mpatha: sda - tur checker timed out Mar 28 18:07:46 mclint multipathd[888]: 8:0: reinstated Mar 28 18:07:46 mclint multipathd[888]: mpatha: sdb - tur checker timed out Mar 28 18:07:46 mclint multipathd[888]: 8:16: reinstated Mar 28 18:07:46 mclint multipathd[888]: mpatha: sdc - tur checker timed out Mar 28 18:07:46 mclint multipathd[888]: 8:32: reinstated Mar 28 18:07:46 mclint multipathd[888]: mpatha: sdd - tur checker timed out Mar 28 18:07:46 mclint multipathd[888]: 8:48: reinstated /dev/sclp_line0: ? 459.779353! BTRFS error (device dm-1): bdev /dev/dm-1 errs: wr 0, rd 1, flush 0, corrupt 0, gen 0 ? 459.779503! BTRFS error (device dm-1): bdev /dev/dm-1 errs: wr 0, rd 2, flush 0, corrupt 0, gen 0 ? 481.287452! INFO: task xfsaild/dm-11:1727 blocked for more than 120 seconds. ? 481.287459! Not tainted 4.4.0-70-generic #91-Ubuntu ? 481.287461! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.287647! INFO: task cpuplugd:2402 blocked for more than 120 seconds. ? 481.287648! Not tainted 4.4.0-70-generic #91-Ubuntu ? 481.287649! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.287696! INFO: task irqbalance:2508 blocked for more than 120 seconds. ? 481.287697! Not tainted 4.4.0-70-generic #91-Ubuntu ? 481.287698! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.287740! INFO: task kworker/0:19:22353 blocked for more than 120 seconds. ? 481.287741! Not tainted 4.4.0-70-generic #91-Ubuntu ? 481.287742! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.287769! INFO: task kworker/0:21:22355 blocked for more than 120 seconds. ? 481.287770! Not tainted 4.4.0-70-generic #91-Ubuntu ? 481.287771! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.287875! INFO: task tar:22484 blocked for more than 120 seconds. ? 481.287876! Not tainted 4.4.0-70-generic #91-Ubuntu ? 481.287877! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 601.288111! INFO: task systemd:1 blocked for more than 120 seconds. ? 601.288118! Not tainted 4.4.0-70-generic #91-Ubuntu ? 601.288119! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 601.288207! INFO: task xfsaild/dm-11:1727 blocked for more than 120 seconds. ? 601.288208! Not tainted 4.4.0-70-generic #91-Ubuntu ? 601.288209! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 601.288372! INFO: task rs:main Q:Reg:2002 blocked for more than 120 seconds. ? 601.288374! Not tainted 4.4.0-70-generic #91-Ubuntu ? 601.288374! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 601.288496! INFO: task cpuplugd:2402 blocked for more than 120 seconds. ? 601.288497! Not tainted 4.4.0-70-generic #91-Ubuntu ? 601.288497! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. crashdump-info: KERNEL: /usr/lib/debug/boot/vmlinux-4.4.0-70-generic DUMPFILE: mclint_20170328_kernel_4_4_0-70_without_openafs.dump CPUS: 3 DATE: Tue Mar 28 18:15:25 2017 UPTIME: 00:14:23 LOAD AVERAGE: 13.22, 10.22, 5.28 TASKS: 408 NODENAME: mclint RELEASE: 4.4.0-70-generic VERSION: #91-Ubuntu SMP Wed Mar 22 12:48:02 UTC 2017 MACHINE: s390x (unknown Mhz) MEMORY: 7.8 GB PANIC: "" PID: 0 COMMAND: "swapper/0" TASK: bad528 (1 of 3) [THREAD_INFO: b78000] CPU: 0 STATE: TASK_RUNNING (ACTIVE) INFO: no panic task found I will upload the compressed dump to Box soon ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1670634 Title: blk-mq: possible deadlock on CPU hot(un)plug To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1670634/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
