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55c816e3df
linux/block
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Mike Galbraith 55c816e3df rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock 
[  365.164040] BUG: sleeping function called from invalid context at kernel/rtmutex.c:674
[  365.164041] in_atomic(): 1, irqs_disabled(): 1, pid: 26, name: migration/1
[  365.164043] no locks held by migration/1/26.
[  365.164044] irq event stamp: 6648
[  365.164056] hardirqs last  enabled at (6647): [<ffffffff8153d377>] restore_args+0x0/0x30
[  365.164062] hardirqs last disabled at (6648): [<ffffffff810ed98d>] multi_cpu_stop+0x9d/0x120
[  365.164070] softirqs last  enabled at (0): [<ffffffff810543bc>] copy_process.part.28+0x6fc/0x1920
[  365.164072] softirqs last disabled at (0): [<          (null)>]           (null)
[  365.164076] CPU: 1 PID: 26 Comm: migration/1 Tainted: GF           N  3.12.12-rt19-0.gcb6c4a2-rt #3
[  365.164078] Hardware name: QCI QSSC-S4R/QSSC-S4R, BIOS QSSC-S4R.QCI.01.00.S013.032920111005 03/29/2011
[  365.164091]  0000000000000001 ffff880a42ea7c30 ffffffff815367e6 ffffffff81a086c0
[  365.164099]  ffff880a42ea7c40 ffffffff8108919c ffff880a42ea7c60 ffffffff8153c24f
[  365.164107]  ffff880a42ea91f0 00000000ffffffe1 ffff880a42ea7c88 ffffffff81297ec0
[  365.164108] Call Trace:
[  365.164119]  [<ffffffff810060b1>] try_stack_unwind+0x191/0x1a0
[  365.164127]  [<ffffffff81004872>] dump_trace+0x92/0x360
[  365.164133]  [<ffffffff81006108>] show_trace_log_lvl+0x48/0x60
[  365.164138]  [<ffffffff81004c18>] show_stack_log_lvl+0xd8/0x1d0
[  365.164143]  [<ffffffff81006160>] show_stack+0x20/0x50
[  365.164153]  [<ffffffff815367e6>] dump_stack+0x54/0x9a
[  365.164163]  [<ffffffff8108919c>] __might_sleep+0xfc/0x140
[  365.164173]  [<ffffffff8153c24f>] rt_spin_lock+0x1f/0x70
[  365.164182]  [<ffffffff81297ec0>] blk_mq_main_cpu_notify+0x20/0x70
[  365.164191]  [<ffffffff81540a1c>] notifier_call_chain+0x4c/0x70
[  365.164201]  [<ffffffff81083499>] __raw_notifier_call_chain+0x9/0x10
[  365.164207]  [<ffffffff810567be>] cpu_notify+0x1e/0x40
[  365.164217]  [<ffffffff81525da2>] take_cpu_down+0x22/0x40
[  365.164223]  [<ffffffff810ed9c6>] multi_cpu_stop+0xd6/0x120
[  365.164229]  [<ffffffff810edd97>] cpu_stopper_thread+0xd7/0x1e0
[  365.164235]  [<ffffffff810863a3>] smpboot_thread_fn+0x203/0x380
[  365.164241]  [<ffffffff8107cbf8>] kthread+0xc8/0xd0
[  365.164250]  [<ffffffff8154440c>] ret_from_fork+0x7c/0xb0
[  365.164429] smpboot: CPU 1 is now offline

Signed-off-by: Mike Galbraith <bitbucket@online.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2014-03-21 08:57:56 -06:00
..
partitions block: Use macros from compiler.h instead of __attribute__((...)) 2014-02-18 12:20:01 -08:00
blk-cgroup.c block: Substitute rcu_access_pointer() for rcu_dereference_raw() 2014-02-18 12:21:26 -08:00
blk-cgroup.h Update of blkg_stat and blkg_rwstat may happen in bh context. 2013-11-20 15:33:04 -07:00
blk-core.c blktrace: fix accounting of partially completed requests 2014-03-05 16:11:21 -07:00
blk-exec.c blk-mq: merge blk_mq_insert_request and blk_mq_run_request 2014-03-21 08:57:37 -06:00
blk-flush.c blk-mq: merge blk_mq_insert_request and blk_mq_run_request 2014-03-21 08:57:37 -06:00
blk-integrity.c bio-integrity: Convert to bvec_iter 2013-11-23 22:33:50 -08:00
blk-ioc.c block: Substitute rcu_access_pointer() for rcu_dereference_raw() 2014-02-18 12:21:26 -08:00
blk-iopoll.c block: remove old blk_iopoll_enabled variable 2014-03-13 09:38:42 -06:00
blk-lib.c block: add cond_resched() to potentially long running ioctl discard loop 2014-02-12 09:36:37 -07:00
blk-map.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
blk-merge.c block: Explicitly handle discard/write same segments 2014-02-07 13:54:08 -07:00
blk-mq-cpu.c rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock 2014-03-21 08:57:56 -06:00
blk-mq-cpumap.c blk-mq: don't dump CPU -> hw queue map on driver load 2014-03-20 13:31:44 -06:00
blk-mq-sysfs.c blk-mq: don't dump CPU -> hw queue map on driver load 2014-03-20 13:31:44 -06:00
blk-mq-tag.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2014-02-14 10:45:18 -08:00
blk-mq-tag.h blk-mq: new multi-queue block IO queueing mechanism 2013-10-25 11:56:00 +01:00
blk-mq.c blk-mq: support partial I/O completions 2014-03-21 08:57:55 -06:00
blk-mq.h blk-mq: merge blk_mq_insert_request and blk_mq_run_request 2014-03-21 08:57:37 -06:00
blk-settings.c bcache/md: Use raid stripe size 2014-01-08 13:05:09 -08:00
blk-softirq.c smp: Rename __smp_call_function_single() to smp_call_function_single_async() 2014-02-24 14:47:15 -08:00
blk-sysfs.c blk-mq: rework flush sequencing logic 2014-02-10 09:29:00 -07:00
blk-tag.c block: Reserve only one queue tag for sync IO if only 3 tags are available 2013-06-28 21:32:27 +02:00
blk-throttle.c Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
blk-timeout.c blk-mq: rework I/O completions 2014-02-10 09:27:31 -07:00
blk.h block: __elv_next_request() shouldn't call into the elevator if bypassing 2014-01-30 12:57:25 -07:00
bsg-lib.c bsg: Remove unused function bsg_goose_queue() 2012-12-06 14:33:02 +01:00
bsg.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
cfq-iosched.c block: Stop abusing csd.list for fifo_time 2014-02-24 14:46:32 -08:00
cmdline-parser.c block: remove unrelated header files and export symbol 2014-01-21 20:18:26 -08:00
compat_ioctl.c kernel-wide: fix missing validations on __get/__put/__copy_to/__copy_from_user() 2013-09-11 15:58:18 -07:00
deadline-iosched.c block: Stop abusing csd.list for fifo_time 2014-02-24 14:46:32 -08:00
elevator.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
genhd.c block: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node(...) 2013-09-11 13:22:03 -06:00
ioctl.c block: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO 2013-11-08 09:05:31 -07:00
Kconfig block: change config option name for cmdline partition parsing 2013-09-30 14:31:02 -07:00
Kconfig.iosched blkcg: make CONFIG_BLK_CGROUP bool 2012-03-06 21:27:21 +01:00
Makefile blk-mq: new multi-queue block IO queueing mechanism 2013-10-25 11:56:00 +01:00
noop-iosched.c elevator: Fix a race in elevator switching 2013-07-03 13:25:24 +02:00
partition-generic.c Revert "loop: cleanup partitions when detaching loop device" 2013-04-08 10:12:11 +02:00
scsi_ioctl.c block: Fix memory leak in rw_copy_check_uvector() handling 2014-01-21 20:36:17 -08:00