Linux version 2.6.30-gentoo-r4
aoe: AoE v47 initialised.

aoe: bi_io_vec is NULL
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kernel BUG at drivers/block/aoe/aoeblk.c:177!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/block/etherd!e0.2/removable
Modules linked in: aoe ipv6 xt_u32 xt_tcpudp iptable_filter ip_tables x_tables sg uhci_hcd

Pid: 9007, comm: umount Not tainted (2.6.30-gentoo-r4 #1) PowerEdge 850
EIP: 0060:[<f87e65a7>] EFLAGS: 00010286 CPU: 0
EIP is at aoeblk_make_request+0x1b7/0x200 [aoe]
EAX: 0000001a EBX: 00000000 ECX: 00000082 EDX: 01a54000
ESI: f6725000 EDI: f6473980 EBP: 00000000 ESP: f1e09e10
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process umount (pid: 9007, ti=f1e08000 task=f6b9aa90 task.ti=f1e08000)
Stack:
 f87e945e f6b9aa90 c040ce35 f6473980 c200cc00 00000000 00000000 c0527300
 f672502c 000000ff f6473980 00000000 c026206d 000a3490 f6b45180 00000000
 f6b45180 f719aa90 00200000 00000000 00000000 c05cb1e0 00000000 c060d610
Call Trace:
 [<c040ce35>] ? __schedule+0x2d5/0x790
 [<c026206d>] ? generic_make_request+0xed/0x270
 [<c026352f>] ? submit_bio+0x4f/0xd0
 [<c0137989>] ? flush_cpu_workqueue+0x19/0x70
 [<c019c446>] ? bio_alloc_bioset+0x46/0xd0
 [<c024e3d2>] ? xfs_buf_delwri_split+0x32/0xf0
 [<c02650b3>] ? blkdev_issue_flush+0x83/0xc0
 [<c024e87c>] ? xfs_free_buftarg+0x2c/0x60
 [<c0254774>] ? xfs_fs_put_super+0x94/0xc0
 [<c017c942>] ? generic_shutdown_super+0x62/0x100
 [<c017ca02>] ? kill_block_super+0x22/0x40
 [<c017ccf7>] ? deactivate_super+0x57/0x90
 [<c018f3cf>] ? sys_umount+0x5f/0x330
 [<c018f6b5>] ? sys_oldumount+0x15/0x20
 [<c0102cc8>] ? sysenter_do_call+0x12/0x26
Code: 5f 5d c3 c7 04 24 34 97 7e f8 e8 45 31 94 c7 ba f4 ff ff ff 8b 44 24 0c e8 87 57 9b c7 eb da c7 04 24 5e 94 7e f8 e8 29 31 94 c7 <0f> 0b eb fe 90 8d 74 26 00 c7 04 24 0c 97 7e f8 e8 14 31 94 c7 
EIP: [<f87e65a7>] aoeblk_make_request+0x1b7/0x200 [aoe] SS:ESP 0068:f1e09e10
---[ end trace e7dc72b9538c0be9 ]---
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WARNING: at kernel/exit.c:896 do_exit+0x5c4/0x630()
Hardware name: PowerEdge 850
Modules linked in: aoe ipv6 xt_u32 xt_tcpudp iptable_filter ip_tables x_tables sg uhci_hcd
Pid: 9007, comm: umount Tainted: G      D    2.6.30-gentoo-r4 #1
Call Trace:
 [<c012b9a4>] ? do_exit+0x5c4/0x630
 [<c012b9a4>] ? do_exit+0x5c4/0x630
 [<c012898f>] ? warn_slowpath_common+0x7f/0xb0
 [<c012b9a4>] ? do_exit+0x5c4/0x630
 [<c0104050>] ? do_invalid_op+0x0/0xa0
 [<c01289d3>] ? warn_slowpath_null+0x13/0x20
 [<c012b9a4>] ? do_exit+0x5c4/0x630
 [<c0104050>] ? do_invalid_op+0x0/0xa0
 [<c01296eb>] ? printk+0x1b/0x20
 [<c0104050>] ? do_invalid_op+0x0/0xa0
 [<c01061ef>] ? oops_end+0x8f/0x90
 [<c01040d1>] ? do_invalid_op+0x81/0xa0
 [<f87e65a7>] ? aoeblk_make_request+0x1b7/0x200 [aoe]
 [<c013f0d1>] ? up+0x11/0x40
 [<c012914e>] ? release_console_sem+0x19e/0x1d0
 [<c011ede5>] ? update_curr+0x85/0xe0
 [<c040ed9d>] ? error_code+0x6d/0x74
 [<c0104050>] ? do_invalid_op+0x0/0xa0
 [<f87e65a7>] ? aoeblk_make_request+0x1b7/0x200 [aoe]
 [<c040ce35>] ? __schedule+0x2d5/0x790
 [<c026206d>] ? generic_make_request+0xed/0x270
 [<c026352f>] ? submit_bio+0x4f/0xd0
 [<c0137989>] ? flush_cpu_workqueue+0x19/0x70
 [<c019c446>] ? bio_alloc_bioset+0x46/0xd0
 [<c024e3d2>] ? xfs_buf_delwri_split+0x32/0xf0
 [<c02650b3>] ? blkdev_issue_flush+0x83/0xc0
 [<c024e87c>] ? xfs_free_buftarg+0x2c/0x60
 [<c0254774>] ? xfs_fs_put_super+0x94/0xc0
 [<c017c942>] ? generic_shutdown_super+0x62/0x100
 [<c017ca02>] ? kill_block_super+0x22/0x40
 [<c017ccf7>] ? deactivate_super+0x57/0x90
 [<c018f3cf>] ? sys_umount+0x5f/0x330
 [<c018f6b5>] ? sys_oldumount+0x15/0x20
 [<c0102cc8>] ? sysenter_do_call+0x12/0x26
---[ end trace e7dc72b9538c0bea ]---