On 2014/06/17 9:47, Chris Mason wrote: > On 06/16/2014 07:57 PM, Tsutomu Itoh wrote: >> On 2014/06/17 8:52, Chris Mason wrote: >>> On 06/16/2014 07:28 PM, Tsutomu Itoh wrote: >>>> Hi Chris, >>>> >>>> On 2014/06/17 2:56, Chris Mason wrote: >>>>> On 06/16/2014 02:35 AM, Tsutomu Itoh wrote: >>>>>> I encountered soft lockup when executing 'xfstests btrfs/042' on >>>>>> 3.16-rc1. >>>>>> >>>>> >>>>> Did we recover, or was it stuck forever? >>>> >>>> The following messages are repeatedly output. >>>> And stuck forever. >>>> >>>> [ 1147.942181] BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u25:4:5189] >>>> [ 1147.967175] BUG: soft lockup - CPU#3 stuck for 23s! [kworker/u25:9:5194] >>>> [ 1147.979172] BUG: soft lockup - CPU#4 stuck for 23s! >>>> [kworker/u25:15:5200] >>>> [ 1147.991169] BUG: soft lockup - CPU#5 stuck for 23s! [kworker/u25:7:5192] >>>> [ 1148.064153] BUG: soft lockup - CPU#6 stuck for 23s! [kworker/u26:3:3182] >>> >>> Can you please capture a stack trace from all the cpus? > > Very strange, please try to reproduce again, I'll dig through things here.
I can reproduce it easily in my environment. Thanks, Tsutomu ========== Message from syslogd@luna at Jun 17 11:06:33 ... kernel:[ 560.076282] BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u25:1:193] Message from syslogd@luna at Jun 17 11:06:33 ... kernel:[ 560.076283] BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u25:3:3174] Message from syslogd@luna at Jun 17 11:06:33 ... kernel:[ 560.101276] BUG: soft lockup - CPU#3 stuck for 22s! [kworker/u25:4:3175] Message from syslogd@luna at Jun 17 11:06:33 ... kernel:[ 560.113274] BUG: soft lockup - CPU#4 stuck for 22s! [kworker/u25:6:3177] Message from syslogd@luna at Jun 17 11:06:33 ... kernel:[ 560.125271] BUG: soft lockup - CPU#5 stuck for 22s! [kworker/u25:5:3176] -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
