Please find the kernel log attached. I was using the open-iscsi initiator on kernel 2.6.25.6 with a chelsio iSCSI target and the crash happened on the initiator machine. connection5:0: ping timeout of 5 secs expired, last rx 4309640121, last ping 4309645121, now 4309650121 connection5:0: detected conn error (1011) connection5:0: ping timeout of 5 secs expired, last rx 4309652882, last ping 4309657882, now 4309662882 connection5:0: detected conn error (1011) connection5:0: detected conn error (1011) session5: host reset succeeded INFO: task fdisk:5226 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000000 0 5226 3300 ffff810050d8baf8 0000000000000046 0000000000000000 ffffffff802271b3 ffff81007dbeee70 ffff81007e1a0ab0 ffffffff80569da0 ffff81007e1a0e10 0000000050d8bb48 0000000100df3c30 ffffffffffffffff ffffffffffffffff Call Trace: [<ffffffff802271b3>] enqueue_task+0x4d/0x58 [<ffffffff80264e44>] sync_page+0x0/0x40 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264e31>] __lock_page+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff8026ca28>] pagevec_lookup+0x17/0x1e [<ffffffff8026d1a7>] truncate_inode_pages_range+0x26e/0x2ff [<ffffffff8021c099>] smp_call_function+0x33/0x38 [<ffffffff802a9e9c>] invalidate_bh_lru+0x2b/0x42 [<ffffffff802aea4f>] __blkdev_put+0x4f/0x145 [<ffffffff8028d29f>] __fput+0xb1/0x17e [<ffffffff8028abd3>] filp_close+0x5d/0x65 [<ffffffff802358d1>] put_files_struct+0x66/0xc4 [<ffffffff80236a9d>] do_exit+0x269/0x67a [<ffffffff80236f1d>] do_group_exit+0x6f/0x8a [<ffffffff8023e5bd>] get_signal_to_deliver+0x2cb/0x2f4 [<ffffffff8020b0ad>] do_notify_resume+0xb2/0x7e6 [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8025cc1f>] audit_syscall_exit+0x2e4/0x303 [<ffffffff8020beb3>] int_signal+0x12/0x17 INFO: task fdisk:5226 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000000 0 5226 3300 ffff810050d8baf8 0000000000000046 0000000000000000 ffffffff802271b3 ffff81007dbeee70 ffff81007e1a0ab0 ffffffff80569da0 ffff81007e1a0e10 0000000050d8bb48 0000000100df3c30 ffffffffffffffff ffffffffffffffff Call Trace: [<ffffffff802271b3>] enqueue_task+0x4d/0x58 [<ffffffff80264e44>] sync_page+0x0/0x40 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264e31>] __lock_page+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff8026ca28>] pagevec_lookup+0x17/0x1e [<ffffffff8026d1a7>] truncate_inode_pages_range+0x26e/0x2ff [<ffffffff8021c099>] smp_call_function+0x33/0x38 [<ffffffff802a9e9c>] invalidate_bh_lru+0x2b/0x42 [<ffffffff802aea4f>] __blkdev_put+0x4f/0x145 [<ffffffff8028d29f>] __fput+0xb1/0x17e [<ffffffff8028abd3>] filp_close+0x5d/0x65 [<ffffffff802358d1>] put_files_struct+0x66/0xc4 [<ffffffff80236a9d>] do_exit+0x269/0x67a [<ffffffff80236f1d>] do_group_exit+0x6f/0x8a [<ffffffff8023e5bd>] get_signal_to_deliver+0x2cb/0x2f4 [<ffffffff8020b0ad>] do_notify_resume+0xb2/0x7e6 [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8025cc1f>] audit_syscall_exit+0x2e4/0x303 [<ffffffff8020beb3>] int_signal+0x12/0x17 INFO: task fdisk:5226 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000000 0 5226 3300 ffff810050d8baf8 0000000000000046 0000000000000000 ffffffff802271b3 ffff81007dbeee70 ffff81007e1a0ab0 ffffffff80569da0 ffff81007e1a0e10 0000000050d8bb48 0000000100df3c30 ffffffffffffffff ffffffffffffffff Call Trace: [<ffffffff802271b3>] enqueue_task+0x4d/0x58 [<ffffffff80264e44>] sync_page+0x0/0x40 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264e31>] __lock_page+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff8026ca28>] pagevec_lookup+0x17/0x1e [<ffffffff8026d1a7>] truncate_inode_pages_range+0x26e/0x2ff [<ffffffff8021c099>] smp_call_function+0x33/0x38 [<ffffffff802a9e9c>] invalidate_bh_lru+0x2b/0x42 [<ffffffff802aea4f>] __blkdev_put+0x4f/0x145 [<ffffffff8028d29f>] __fput+0xb1/0x17e [<ffffffff8028abd3>] filp_close+0x5d/0x65 [<ffffffff802358d1>] put_files_struct+0x66/0xc4 [<ffffffff80236a9d>] do_exit+0x269/0x67a [<ffffffff80236f1d>] do_group_exit+0x6f/0x8a [<ffffffff8023e5bd>] get_signal_to_deliver+0x2cb/0x2f4 [<ffffffff8020b0ad>] do_notify_resume+0xb2/0x7e6 [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8025cc1f>] audit_syscall_exit+0x2e4/0x303 [<ffffffff8020beb3>] int_signal+0x12/0x17 connection5:0: ping timeout of 5 secs expired, last rx 4310063907, last ping 4310068907, now 4310073907 connection5:0: detected conn error (1011) sd 8:0:0:0: timing out command, waited 360s sd 8:0:0:0: [sdb] Result: hostbyte=DID_BUS_BUSY driverbyte=DRIVER_OK,SUGGEST_OK end_request: I/O error, dev sdb, sector 0 printk: 39 messages suppressed. Buffer I/O error on device sdb, logical block 0 Buffer I/O error on device sdb, logical block 1 Buffer I/O error on device sdb, logical block 2 Buffer I/O error on device sdb, logical block 3 session5: session recovery timed out after 120 secs connection5:0: ping timeout of 5 secs expired, last rx 4310819770, last ping 4310824770, now 4310829770 connection5:0: detected conn error (1011) connection5:0: ping timeout of 5 secs expired, last rx 4310833033, last ping 4310838033, now 4310843033 connection5:0: detected conn error (1011) connection5:0: detected conn error (1011) session5: host reset succeeded INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 INFO: task fdisk:5304 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. fdisk D 0000000000000082 0 5304 5283 ffff810050d47c58 0000000000000086 ffff81007dbeee70 ffff81005fa64000 ffff81007dbeee70 ffff81007e1a0ab0 ffff81007d32d620 ffff81007e1a0e10 0000000100000287 ffffffff88071e50 ffff810050d10210 ffff81007db222b8 Call Trace: [<ffffffff88071e50>] :scsi_mod:scsi_dispatch_cmd+0x1f7/0x279 [<ffffffff8807783a>] :scsi_mod:scsi_request_fn+0x321/0x375 [<ffffffff80248b27>] getnstimeofday+0x2f/0x83 [<ffffffff8026662c>] sync_page_killable+0x0/0x31 [<ffffffff80472949>] io_schedule+0x5d/0x9f [<ffffffff80264e80>] sync_page+0x3c/0x40 [<ffffffff80266635>] sync_page_killable+0x9/0x31 [<ffffffff80472abc>] __wait_on_bit_lock+0x36/0x66 [<ffffffff80264dcd>] __lock_page_killable+0x5e/0x64 [<ffffffff80244f03>] wake_bit_function+0x0/0x23 [<ffffffff80266990>] generic_file_aio_read+0x2ff/0x4b3 [<ffffffff8028c423>] do_sync_read+0xc9/0x10c [<ffffffff80244ed5>] autoremove_wake_function+0x0/0x2e [<ffffffff8028cbac>] vfs_read+0xaa/0x132 [<ffffffff8028cf48>] sys_read+0x45/0x6e [<ffffffff8020be19>] tracesys+0xdc/0xe1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
