------- Comment From jac...@de.ibm.com 2017-03-30 08:50 EDT------- New Kernel, new hang ...
? 961.242228! INFO: task kworker/1:1:38 blocked for more than 120 seconds. ? 961.242235! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.242236! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.242480! INFO: task xfsaild/dm-11:1742 blocked for more than 120 seconds. ? 961.242481! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.242482! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.242933! INFO: task rs:main Q:Reg:2043 blocked for more than 120 seconds. ? 961.242934! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.242935! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.243407! INFO: task cpuplugd:2355 blocked for more than 120 seconds. ? 961.243409! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.243410! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.243544! INFO: task irqbalance:2447 blocked for more than 120 seconds. ? 961.243546! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.243546! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.243617! INFO: task kworker/0:2H:3385 blocked for more than 120 seconds. ? 961.243618! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.243619! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.243911! INFO: task kworker/0:1H:6035 blocked for more than 120 seconds. ? 961.243912! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.243913! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.244405! INFO: task kworker/0:2:22440 blocked for more than 120 seconds. ? 961.244406! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.244407! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.244543! INFO: task kworker/0:4:22938 blocked for more than 120 seconds. ? 961.244545! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.244545! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ? 961.245404! INFO: task dpkg:24617 blocked for more than 120 seconds. ? 961.245405! Not tainted 4.4.0-71-generic #92-Ubuntu ? 961.245406! "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. And the dump: KERNEL: /usr/lib/debug/boot/vmlinux-4.4.0-71-generic DUMPFILE: mclint_20170330_kernel_4_4_0-71_without_openafs.dump CPUS: 1 DATE: Thu Mar 30 12:14:27 2017 UPTIME: 00:24:42 LOAD AVERAGE: 14.32, 12.51, 7.23 TASKS: 407 NODENAME: mclint RELEASE: 4.4.0-71-generic VERSION: #92-Ubuntu SMP Fri Mar 24 13:03:47 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 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs