[BUG 3.3-rc2] spinlock trylock failure on UP on CPU#0

From: Knut Petersen
Date: Sun Feb 05 2012 - 15:57:39 EST


Booting 23783f817bceedd6d4e549385e3f400ea64059e5 I get the following trace
an AOpen i915GMm-hfs with Pentium-M Dothan:


[ 12.526390] BUG: spinlock trylock failure on UP on CPU#0, scsi_id/543
[ 12.528009] lock: f4ed8830, .magic: dead4ead, .owner: scsi_id/543, .owner_cpu: 0
[ 12.528009] Pid: 543, comm: scsi_id Not tainted 3.3.0-rc2-main+ #21
[ 12.528009] Call Trace:
[ 12.528009] [<c011dd19>] ? console_unlock+0x1ad/0x1d3
[ 12.528009] [<c043e56d>] spin_dump+0x6c/0x76
[ 12.528009] [<c043e594>] spin_bug+0x1d/0x21
[ 12.528009] [<c027739a>] do_raw_spin_trylock+0x33/0x38
[ 12.528009] [<c04429c2>] _raw_spin_trylock+0x17/0x63
[ 12.528009] [<c025fafa>] put_io_context+0xa1/0x10a
[ 12.528009] [<c0269d85>] __cfq_slice_expired+0x2f6/0x319
[ 12.528009] [<c026a8b2>] cfq_dispatch_requests+0x39/0x714
[ 12.528009] [<c025b328>] elv_drain_elevator+0x3f/0x7d
[ 12.528009] [<c025b3f0>] __elv_add_request+0x8a/0x169
[ 12.528009] [<c02604a4>] blk_execute_rq_nowait+0x88/0xab
[ 12.528009] [<c0260573>] blk_execute_rq+0xac/0xcd
[ 12.528009] [<c02603f4>] ? blk_rq_map_user+0x1b5/0x1b5
[ 12.528009] [<c0260775>] ? blk_recount_segments+0x16/0x24
[ 12.528009] [<c0263cf5>] sg_io+0x23c/0x325
[ 12.528009] [<c02642a3>] scsi_cmd_ioctl+0x1b1/0x332
[ 12.528009] [<c0264452>] scsi_cmd_blk_ioctl+0x2e/0x38
[ 12.528009] [<c035c15e>] sd_ioctl+0xd4/0xf4
[ 12.528009] [<c035c08a>] ? sd_getgeo+0x98/0x98
[ 12.528009] [<c02618ce>] __blkdev_driver_ioctl+0x26/0x2e
[ 12.528009] [<c026226a>] blkdev_ioctl+0x70e/0x728
[ 12.528009] [<c011af95>] ? __kunmap_atomic+0x61/0x78
[ 12.528009] [<c0137f14>] ? get_parent_ip+0xb/0x31
[ 12.528009] [<c04450e4>] ? add_preempt_count+0x98/0x9b
[ 12.528009] [<c01b3f87>] block_ioctl+0x31/0x39
[ 12.528009] [<c01b3f87>] ? block_ioctl+0x31/0x39
[ 12.528009] [<c01b3f56>] ? bd_set_size+0x62/0x62
[ 12.528009] [<c019ebb9>] do_vfs_ioctl+0x47b/0x4af
[ 12.528009] [<c0134c7e>] ? up_read+0x16/0x28
[ 12.528009] [<c0444ea7>] ? do_page_fault+0x3d4/0x402
[ 12.528009] [<c01957a8>] ? sys_fstat64+0x20/0x22
[ 12.528009] [<c019ec2e>] sys_ioctl+0x41/0x63
[ 12.528009] [<c0442c05>] syscall_call+0x7/0xb

cu,
-kp
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