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Date: Sat, 22 Nov 2008 15:07:34 +0100 From: Jiri Slaby <jirislaby@...il.com> To: Jens Axboe <axboe@...nel.dk> CC: Andrew Morton <akpm@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: WARNING: at block/blk-barrier.c:246 Hi, after running mmotm a while, I got this: ------------[ cut here ]------------ WARNING: at /home/l/latest/xxx/block/blk-barrier.c:246 blk_do_ordered+0x281/0x2e 0() Modules linked in: usblp usbhid ath5k hid mac80211 floppy cfg80211 rtc_cmos [las t unloaded: freq_table] Pid: 0, comm: swapper Tainted: G W 2.6.28-rc5-mm1_64 #477 Call Trace: <IRQ> [<ffffffff8023dfef>] warn_on_slowpath+0x5f/0x90 [<ffffffff8034a22c>] ? elv_rb_del+0x2c/0x50 [<ffffffff80356020>] ? __cfq_slice_expired+0x60/0xe0 [<ffffffff80356c9f>] ? cfq_dispatch_requests+0x9f/0x3c0 [<ffffffff8034f641>] blk_do_ordered+0x281/0x2e0 [<ffffffff80349ff4>] elv_next_request+0x44/0x250 [<ffffffff80415a52>] scsi_request_fn+0x72/0x490 [<ffffffff8034cac7>] blk_invoke_request_fn+0x47/0x140 [<ffffffff8034cc75>] __blk_run_queue+0x25/0x30 [<ffffffff8034ccab>] blk_run_queue+0x2b/0x50 [<ffffffff80414e2f>] scsi_run_queue+0xdf/0x380 [<ffffffff803eca65>] ? put_device+0x15/0x20 [<ffffffff8040ef61>] ? __scsi_put_command+0x61/0xa0 [<ffffffff8041522d>] scsi_next_command+0x3d/0x60 [<ffffffff80415304>] scsi_end_request+0xb4/0xd0 [<ffffffff8041543c>] scsi_io_completion+0x11c/0x440 [<ffffffff8042308d>] ? ata_qc_complete+0xbd/0x230 [<ffffffff8040ec1c>] scsi_finish_command+0xac/0xe0 [<ffffffff80415958>] scsi_softirq_done+0xb8/0x140 [<ffffffff803513e5>] blk_done_softirq+0x75/0x90 [<ffffffff80258769>] ? ktime_get_ts+0x59/0x60 [<ffffffff80243d04>] __do_softirq+0x94/0x160 [<ffffffff8020d77c>] call_softirq+0x1c/0x30 [<ffffffff8020ea15>] do_softirq+0x45/0x80 [<ffffffff80243a8d>] irq_exit+0x8d/0xa0 [<ffffffff8020ecb9>] do_IRQ+0xc9/0x110 [<ffffffff8020ca36>] ret_from_intr+0x0/0xa <EOI> [<ffffffff80213fe2>] ? default_idle+0x42/0x50 [<ffffffff8020ae12>] ? enter_idle+0x22/0x30 [<ffffffff8020aebe>] ? cpu_idle+0x5e/0xb0 [<ffffffff8057c43c>] ? rest_init+0x5c/0x70 ---[ end trace 73ac849f8acff99f ]--- ------------[ cut here ]------------ WARNING: at /home/l/latest/xxx/block/blk-barrier.c:246 blk_do_ordered+0x281/0x2e 0() Modules linked in: usblp usbhid ath5k hid mac80211 floppy cfg80211 rtc_cmos [las t unloaded: freq_table] Pid: 134, comm: kblockd/0 Tainted: G W 2.6.28-rc5-mm1_64 #477 Call Trace: [<ffffffff8023dfef>] warn_on_slowpath+0x5f/0x90 [<ffffffff80364a23>] ? sg_init_table+0x23/0x50 [<ffffffff80359309>] ? __next_cpu+0x19/0x30 [<ffffffff8034f641>] blk_do_ordered+0x281/0x2e0 [<ffffffff80349ff4>] elv_next_request+0x44/0x250 [<ffffffff80415a52>] scsi_request_fn+0x72/0x490 [<ffffffff8034c2fb>] __generic_unplug_device+0x2b/0x40 [<ffffffff8034c339>] generic_unplug_device+0x29/0x40 [<ffffffff8034af2b>] blk_unplug_work+0x5b/0x70 [<ffffffff8034aed0>] ? blk_unplug_work+0x0/0x70 [<ffffffff802508c0>] run_workqueue+0x70/0x120 [<ffffffff80250b77>] worker_thread+0xa7/0x120 [<ffffffff80254ee0>] ? autoremove_wake_function+0x0/0x40 [<ffffffff80250ad0>] ? worker_thread+0x0/0x120 [<ffffffff80254ac9>] kthread+0x49/0x90 [<ffffffff8020d419>] child_rip+0xa/0x11 [<ffffffff80254a80>] ? kthread+0x0/0x90 [<ffffffff8020d40f>] ? child_rip+0x0/0x11 ---[ end trace 73ac849f8acff99f ]--- ------------[ cut here ]------------ WARNING: at /home/l/latest/xxx/block/blk-barrier.c:246 blk_do_ordered+0x281/0x2e 0() Modules linked in: usblp usbhid ath5k hid mac80211 floppy cfg80211 rtc_cmos [las t unloaded: freq_table] Pid: 0, comm: swapper Tainted: G W 2.6.28-rc5-mm1_64 #477 Call Trace: <IRQ> [<ffffffff8023dfef>] warn_on_slowpath+0x5f/0x90 [<ffffffff8034a22c>] ? elv_rb_del+0x2c/0x50 [<ffffffff80356020>] ? __cfq_slice_expired+0x60/0xe0 [<ffffffff80356c9f>] ? cfq_dispatch_requests+0x9f/0x3c0 [<ffffffff8034f641>] blk_do_ordered+0x281/0x2e0 [<ffffffff80349ff4>] elv_next_request+0x44/0x250 [<ffffffff80415a52>] scsi_request_fn+0x72/0x490 [<ffffffff8034cac7>] blk_invoke_request_fn+0x47/0x140 [<ffffffff8034cc75>] __blk_run_queue+0x25/0x30 [<ffffffff8034ccab>] blk_run_queue+0x2b/0x50 [<ffffffff80414e2f>] scsi_run_queue+0xdf/0x380 [<ffffffff803eca65>] ? put_device+0x15/0x20 [<ffffffff8040ef61>] ? __scsi_put_command+0x61/0xa0 [<ffffffff8041522d>] scsi_next_command+0x3d/0x60 [<ffffffff80415304>] scsi_end_request+0xb4/0xd0 [<ffffffff8041543c>] scsi_io_completion+0x11c/0x440 [<ffffffff8042308d>] ? ata_qc_complete+0xbd/0x230 [<ffffffff8040ec1c>] scsi_finish_command+0xac/0xe0 [<ffffffff80415958>] scsi_softirq_done+0xb8/0x140 [<ffffffff803513e5>] blk_done_softirq+0x75/0x90 [<ffffffff80258769>] ? ktime_get_ts+0x59/0x60 [<ffffffff80243d04>] __do_softirq+0x94/0x160 [<ffffffff8020d77c>] call_softirq+0x1c/0x30 [<ffffffff8020ea15>] do_softirq+0x45/0x80 [<ffffffff80243a8d>] irq_exit+0x8d/0xa0 [<ffffffff8020ecb9>] do_IRQ+0xc9/0x110 [<ffffffff8020ca36>] ret_from_intr+0x0/0xa <EOI> [<ffffffff80213fe2>] ? default_idle+0x42/0x50 [<ffffffff8020ae12>] ? enter_idle+0x22/0x30 [<ffffffff8020aebe>] ? cpu_idle+0x5e/0xb0 [<ffffffff8057c43c>] ? rest_init+0x5c/0x70 ---[ end trace 73ac849f8acff99f ]--- ------------[ cut here ]------------ WARNING: at /home/l/latest/xxx/block/blk-barrier.c:246 blk_do_ordered+0x281/0x2e 0() Modules linked in: usblp usbhid ath5k hid mac80211 floppy cfg80211 rtc_cmos [las t unloaded: freq_table] Pid: 134, comm: kblockd/0 Tainted: G W 2.6.28-rc5-mm1_64 #477 Call Trace: [<ffffffff8023dfef>] warn_on_slowpath+0x5f/0x90 [<ffffffff80364a23>] ? sg_init_table+0x23/0x50 [<ffffffff80359309>] ? __next_cpu+0x19/0x30 [<ffffffff8034f641>] blk_do_ordered+0x281/0x2e0 [<ffffffff80349ff4>] elv_next_request+0x44/0x250 [<ffffffff80415a52>] scsi_request_fn+0x72/0x490 [<ffffffff8034c2fb>] __generic_unplug_device+0x2b/0x40 [<ffffffff8034c339>] generic_unplug_device+0x29/0x40 [<ffffffff8034af2b>] blk_unplug_work+0x5b/0x70 [<ffffffff8034aed0>] ? blk_unplug_work+0x0/0x70 [<ffffffff802508c0>] run_workqueue+0x70/0x120 [<ffffffff80250b77>] worker_thread+0xa7/0x120 [<ffffffff80254ee0>] ? autoremove_wake_function+0x0/0x40 [<ffffffff80250ad0>] ? worker_thread+0x0/0x120 [<ffffffff80254ac9>] kthread+0x49/0x90 [<ffffffff8020d419>] child_rip+0xa/0x11 [<ffffffff80254a80>] ? kthread+0x0/0x90 [<ffffffff8020d40f>] ? child_rip+0x0/0x11 ---[ end trace 73ac849f8acff99f ]--- ------------[ cut here ]------------ WARNING: at /home/l/latest/xxx/block/blk-barrier.c:246 blk_do_ordered+0x281/0x2e 0() Modules linked in: usblp usbhid ath5k hid mac80211 floppy cfg80211 rtc_cmos [las t unloaded: freq_table] Pid: 0, comm: swapper Tainted: G W 2.6.28-rc5-mm1_64 #477 Call Trace: <IRQ> [<ffffffff8023dfef>] warn_on_slowpath+0x5f/0x90 [<ffffffff8034a22c>] ? elv_rb_del+0x2c/0x50 [<ffffffff80356020>] ? __cfq_slice_expired+0x60/0xe0 [<ffffffff80356c9f>] ? cfq_dispatch_requests+0x9f/0x3c0 [<ffffffff8034f641>] blk_do_ordered+0x281/0x2e0 [<ffffffff80349ff4>] elv_next_request+0x44/0x250 [<ffffffff80415a52>] scsi_request_fn+0x72/0x490 [<ffffffff8034cac7>] blk_invoke_request_fn+0x47/0x140 [<ffffffff8034cc75>] __blk_run_queue+0x25/0x30 [<ffffffff8034ccab>] blk_run_queue+0x2b/0x50 [<ffffffff80414e2f>] scsi_run_queue+0xdf/0x380 [<ffffffff803eca65>] ? put_device+0x15/0x20 [<ffffffff8040ef61>] ? __scsi_put_command+0x61/0xa0 [<ffffffff8041522d>] scsi_next_command+0x3d/0x60 [<ffffffff80415304>] scsi_end_request+0xb4/0xd0 [<ffffffff8041543c>] scsi_io_completion+0x11c/0x440 [<ffffffff8042308d>] ? ata_qc_complete+0xbd/0x230 [<ffffffff8040ec1c>] scsi_finish_command+0xac/0xe0 [<ffffffff80415958>] scsi_softirq_done+0xb8/0x140 [<ffffffff803513e5>] blk_done_softirq+0x75/0x90 [<ffffffff80258769>] ? ktime_get_ts+0x59/0x60 [<ffffffff80243d04>] __do_softirq+0x94/0x160 [<ffffffff8020d77c>] call_softirq+0x1c/0x30 [<ffffffff8020ea15>] do_softirq+0x45/0x80 [<ffffffff80243a8d>] irq_exit+0x8d/0xa0 [<ffffffff8020ecb9>] do_IRQ+0xc9/0x110 [<ffffffff8020ca36>] ret_from_intr+0x0/0xa <EOI> [<ffffffff80213fe2>] ? default_idle+0x42/0x50 [<ffffffff8020ae12>] ? enter_idle+0x22/0x30 [<ffffffff8020aebe>] ? cpu_idle+0x5e/0xb0 [<ffffffff8057c43c>] ? rest_init+0x5c/0x70 ---[ end trace 73ac849f8acff99f ]--- ------------[ cut here ]------------ WARNING: at /home/l/latest/xxx/block/blk-barrier.c:246 blk_do_ordered+0x281/0x2e 0() Modules linked in: usblp usbhid ath5k hid mac80211 floppy cfg80211 rtc_cmos [las t unloaded: freq_table] Pid: 134, comm: kblockd/0 Tainted: G W 2.6.28-rc5-mm1_64 #477 Call Trace: [<ffffffff8023dfef>] warn_on_slowpath+0x5f/0x90 [<ffffffff80364a23>] ? sg_init_table+0x23/0x50 [<ffffffff80350d9d>] ? blk_rq_map_sg+0x8d/0x2e0 [<ffffffff80359309>] ? __next_cpu+0x19/0x30 [<ffffffff8034f641>] blk_do_ordered+0x281/0x2e0 [<ffffffff80349ff4>] elv_next_request+0x44/0x250 [<ffffffff80415a52>] scsi_request_fn+0x72/0x490 [<ffffffff8034c2fb>] __generic_unplug_device+0x2b/0x40 [<ffffffff8034c339>] generic_unplug_device+0x29/0x40 [<ffffffff8034af2b>] blk_unplug_work+0x5b/0x70 [<ffffffff8034aed0>] ? blk_unplug_work+0x0/0x70 [<ffffffff802508c0>] run_workqueue+0x70/0x120 [<ffffffff80250b77>] worker_thread+0xa7/0x120 [<ffffffff80254ee0>] ? autoremove_wake_function+0x0/0x40 [<ffffffff80250ad0>] ? worker_thread+0x0/0x120 [<ffffffff80254ac9>] kthread+0x49/0x90 [<ffffffff8020d419>] child_rip+0xa/0x11 [<ffffffff80254a80>] ? kthread+0x0/0x90 [<ffffffff8020d40f>] ? child_rip+0x0/0x11 ---[ end trace 73ac849f8acff99f ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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