Comment 25 for bug 624229

dmesg out:

[873240.404582] INFO: task dpkg:8624 blocked for more than 120 seconds.
[873240.404586] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[873240.404589] dpkg D c05c97f8 0 8624 8392 0x00000000
[873240.404594] eb8c7f1c 00200086 eb8c7ed8 c05c97f8 efdba000 eb8c7f18 c08c4700 c08c4700
[873240.404602] db4ba704 00031a0f c08c4700 c08c4700 00000000 00031a0f ee24bc00 c08c4700
[873240.404610] c08c4700 f1c08cb0 eb8c7f2c f1c08cb0 eb8c7f54 c51d983c eb8c7f4c c05c956d
[873240.404617] Call Trace:
[873240.404625] [<c05c97f8>] ? _raw_spin_lock_irq+0x18/0x20
[873240.404629] [<c05c956d>] rwsem_down_failed_common+0x7d/0x1b0
[873240.404633] [<c05c96ed>] rwsem_down_read_failed+0x1d/0x28
[873240.404637] [<c05c9733>] call_rwsem_down_read_failed+0x7/0xc
[873240.404640] [<c05c8bbc>] ? down_read+0x1c/0x20
[873240.404645] [<c021ae60>] iterate_supers+0x60/0xb0
[873240.404649] [<c023b2c0>] ? sync_one_sb+0x0/0x30
[873240.404653] [<c023b319>] sys_sync+0x29/0x60
[873240.404656] [<c05c9cc4>] syscall_call+0x7/0xb
[873240.404661] [<c05c0000>] ? cpuid4_cache_sysfs_init+0x101/0x105
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ilyagulya@ilyagulya-asus:~$ lspci | grep SATA
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)