------- Comment From [email protected] 2017-04-06 11:53 EDT------- Same procedure as every kernel, /var/log/syslog:
Apr 6 16:17:29 mclint multipathd[881]: mpatha: sda - tur checker timed out Apr 6 16:17:29 mclint multipathd[881]: 8:0: reinstated Apr 6 16:17:29 mclint multipathd[881]: mpatha: sdb - tur checker timed out Apr 6 16:17:29 mclint multipathd[881]: 8:16: reinstated Apr 6 16:17:29 mclint multipathd[881]: mpatha: sdd - tur checker timed out Apr 6 16:17:29 mclint multipathd[881]: 8:48: reinstated Apr 6 16:17:29 mclint multipathd[881]: mpatha: sdc - tur checker timed out Apr 6 16:17:29 mclint multipathd[881]: 8:32: reinstated /dev/sclp_line0: ? 361.418628! INFO: task kworker/1:4:860 blocked for more than 120 seconds. ? 361.418635! Not tainted 4.4.0-72-generic #93-Ubuntu ? 361.418637! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 361.418722! INFO: task cpuplugd:2310 blocked for more than 120 seconds. ? 361.418723! Not tainted 4.4.0-72-generic #93-Ubuntu ? 361.418723! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 361.418766! INFO: task irqbalance:2416 blocked for more than 120 seconds. ? 361.418767! Not tainted 4.4.0-72-generic #93-Ubuntu ? 361.418768! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 361.418806! INFO: task kworker/0:2H:3403 blocked for more than 120 seconds. ? 361.418807! Not tainted 4.4.0-72-generic #93-Ubuntu ? 361.418808! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 361.418990! INFO: task kworker/0:9:4449 blocked for more than 120 seconds. ? 361.418991! Not tainted 4.4.0-72-generic #93-Ubuntu ? 361.418992! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.420013! INFO: task kworker/1:4:860 blocked for more than 120 seconds. ? 481.420020! Not tainted 4.4.0-72-generic #93-Ubuntu ? 481.420021! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.420091! INFO: task systemd-timesyn:1766 blocked for more than 120 seconds . ? 481.420093! Not tainted 4.4.0-72-generic #93-Ubuntu ? 481.420093! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.420136! INFO: task rs:main Q:Reg:2023 blocked for more than 120 seconds. ? 481.420137! Not tainted 4.4.0-72-generic #93-Ubuntu ? 481.420138! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.420250! INFO: task cpuplugd:2310 blocked for more than 120 seconds. ? 481.420251! Not tainted 4.4.0-72-generic #93-Ubuntu ? 481.420252! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 481.420291! INFO: task irqbalance:2416 blocked for more than 120 seconds. ? 481.420292! Not tainted 4.4.0-72-generic #93-Ubuntu ? 481.420293! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dump: KERNEL: /usr/lib/debug/boot/vmlinux-4.4.0-72-generic DUMPFILE: mclint_20170406_kernel_4_4_0-72_without_openafs.dump CPUS: 1 DATE: Thu Apr 6 16:43:18 2017 UPTIME: 00:29:55 LOAD AVERAGE: 9.99, 9.56, 7.51 TASKS: 403 NODENAME: mclint RELEASE: 4.4.0-72-generic VERSION: #93-Ubuntu SMP Fri Mar 31 14:06:48 UTC 2017 MACHINE: s390x (unknown Mhz) MEMORY: 7.8 GB PANIC: "" PID: 0 COMMAND: "swapper/0" TASK: bad528 [THREAD_INFO: b78000] CPU: 0 STATE: TASK_RUNNING INFO: no panic task found The bz2-compressed dump is already uploaded to Box. -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
