<pre> <Aug/17 06:08 pm>Process perl (pid: 20791, threadinfo ffff8101b12aa000, task ffff8101ee9ac860) <Aug/17 06:08 pm>Stack: 0000000000000001 0000000000000000 ffff81012f59d1b8 ffffffff802b841d <Aug/17 06:08 pm> 0000000000000000 ffff81012f59d1b8 0000000000000000 0000000000001000 <Aug/17 06:08 pm> 0000000000000000 ffffffff802b8fb2 0000000000000000 ffffffff802b95b8 <Aug/17 06:08 pm>Call Trace: <Aug/17 06:08 pm> [<ffffffff802b841d>] find_get_block_slow+0x2f/0xf1 <Aug/17 06:08 pm> [<ffffffff802b8fb2>] unmap_underlying_metadata+0x6/0x37 <Aug/17 06:08 pm> [<ffffffff802b95b8>] block_prepare_write+0x1af/0x36d <Aug/17 06:08 pm> [<ffffffff802e0a97>] ext3_get_block+0x0/0xe4 <Aug/17 06:08 pm> [<ffffffff802b9814>] block_write_begin+0x79/0xcd <Aug/17 06:08 pm> [<ffffffff802e1f9b>] ext3_write_begin+0xeb/0x1ab <Aug/17 06:08 pm> [<ffffffff802e0a97>] ext3_get_block+0x0/0xe4

<Aug/17 06:08 pm> [<ffffffff802735fd>] generic_file_buffered_write+0x153/0x66b

<Aug/17 06:08 pm> [<ffffffff80273e53>] generic_file_aio_write_nolock+0x33e/0x3a8 <Aug/17 06:08 pm> [<ffffffff804fd7ee>] sock_common_recvmsg+0x30/0x45 <Aug/17 06:08 pm> [<ffffffff80273f1e>] generic_file_aio_write+0x61/0xc1 <Aug/17 06:08 pm> [<ffffffff802de1fe>] ext3_file_write+0x16/0x94 <Aug/17 06:08 pm> [<ffffffff8029a214>] do_sync_write+0xc9/0x10c <Aug/17 06:08 pm> [<ffffffff8024b40e>] autoremove_wake_function+0x0/0x2e <Aug/17 06:08 pm> [<ffffffff8022e1f6>] dequeue_entity+0x1c/0x32 <Aug/17 06:08 pm> [<ffffffff8029a954>] vfs_write+0xad/0x136 <Aug/17 06:08 pm> [<ffffffff8029ae91>] sys_write+0x45/0x6e

<Aug/17 06:08 pm> [<ffffffff8020be2e>] system_call+0x7e/0x83

<Aug/17 06:08 pm>Code: 48 8b 00 48 89 ca 25 00 40 02 00 48 3d 00 40 02 00 75 04 48 <Aug/17 06:08 pm>RIP [<ffffffff802724a3>] find_get_page+0x29/0x51 <Aug/17 06:08 pm> RSP <ffff8101b12ab9e8> <Aug/17 06:08 pm>---[ end trace eb8dc33d0a183bb4 ]--- </pre>