Ticket #2258 (closed defect: duplicate)
xf86-video-glamo: task mmcqd:572 blocked for more than 120 seconds.
| Reported by: | lindi | Owned by: | openmoko-kernel |
|---|---|---|---|
| Priority: | low | Milestone: | stable-kernel-2009.1 |
| Component: | kernel | Version: | unspecified |
| Severity: | normal | Keywords: | |
| Cc: | lars@… | Blocked By: | |
| Blocking: | Estimated Completion (week): | ||
| HasPatchForReview: | no | PatchReviewResult: | |
| Reproducible: |
Description
1) With xf86-video-glamo 703acea13 I sometimes see crashes like
[124038.660000] INFO: task mmcqd:572 blocked for more than 120 seconds. [124038.665000] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [124038.670000] mmcqd D c03bde28 0 572 2 [124038.680000] [<c03bda0c>] (schedule+0x0/0x498) from [<c03be0bc>] (schedule_timeout+0x24/0xb8) [124038.690000] [<c03be098>] (schedule_timeout+0x0/0xb8) from [<c03bd888>] (wait_for_common+0xe0/0x17c) [124038.700000] r7:7fffffff r6:c7081e5c r5:00000000 r4:00000000 [124038.710000] [<c03bd7a8>] (wait_for_common+0x0/0x17c) from [<c03bd9b4>] (wait_for_completion+0x18/0x1c) [124038.720000] [<c03bd99c>] (wait_for_completion+0x0/0x1c) from [<c0296c70>] (mmc_wait_for_req+0x90/0x9c) [124038.730000] [<c0296be0>] (mmc_wait_for_req+0x0/0x9c) from [<c029d794>] (mmc_blk_issue_rq+0x138/0x330) [124038.740000] r7:c708eec0 r6:c708c400 r5:c7b3264c r4:c7b3264c [124038.750000] [<c029d65c>] (mmc_blk_issue_rq+0x0/0x330) from [<c029e054>] (mmc_queue_thread+0xe4/0xe8) [124038.755000] [<c029df70>] (mmc_queue_thread+0x0/0xe8) from [<c006d20c>] (kthread+0x64/0x98) [124038.765000] [<c006d1a8>] (kthread+0x0/0x98) from [<c005a914>] (do_exit+0x0/0x308) [124038.770000] r6:00000000 r5:00000000 r4:00000000 [124038.775000] no locks held by mmcqd/572. [124038.780000] Kernel panic - not syncing: softlockup: blocked tasks [124038.790000] Dumping ftrace buffer: [124038.790000] (ftrace buffer empty) [124038.795000] Rebooting in 10 seconds..arch_reset: attempting watchdog reset
2) kernel is from andy-tracking c1b03e4da
3) X is from debian experimental, xserver-xorg-core 2:1.5.99.902-1
4) xf86-video-glamo is 703acea13
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I keep hitting this quite often if I stop Xorg immediately after it has been started on bootup. Lars, can you try this on your system? I would imagine that in your development you must be restarting Xorg quite often so it'd be interesting to know if it has been stable and with what kernel.