Comment 21 for bug 666577

Consider yourself verified. Also, see my previous comment about my attempt at recompiling my kernel and how it failed at the ../ubuntu/dm-raid4-5/dm-region-hash.c file. It's comment #5 to be exact.

Dec 30 03:05:11 ubuntu kernel: [ 22.205128] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
Dec 30 03:05:03 ubuntu kernel: [ 23.474918] hda-intel: IRQ timing workaround is activated for card #2. Suggest a bigger bdl_pos_adj.
Dec 30 03:05:12 ubuntu kernel: [ 31.860004] eth0: no IPv6 routers present
Dec 30 03:06:28 ubuntu kernel: [ 107.804182] device-mapper: table: 252:0: raid45: Invalid RAID device offset parameter
Dec 30 03:06:28 ubuntu kernel: [ 107.804185] device-mapper: ioctl: error adding target to table
Dec 30 03:09:03 ubuntu kernel: [ 263.086864] SysRq : Show Blocked State
Dec 30 03:09:03 ubuntu kernel: [ 263.086868] task PC stack pid father
Dec 30 03:09:03 ubuntu kernel: [ 263.086900] dmraid D 00000000fffff192 0 3362 2816 0x00000000
Dec 30 03:09:03 ubuntu kernel: [ 263.086905] ffff880087935ce8 0000000000000086 ffff880100000000 0000000000015980
Dec 30 03:09:03 ubuntu kernel: [ 263.086909] ffff880087935fd8 0000000000015980 ffff880087935fd8 ffff880078838000
Dec 30 03:09:03 ubuntu kernel: [ 263.086913] 0000000000015980 0000000000015980 ffff880087935fd8 0000000000015980
Dec 30 03:09:03 ubuntu kernel: [ 263.086917] Call Trace:
Dec 30 03:09:03 ubuntu kernel: [ 263.086924] [<ffffffff81588175>] schedule_timeout+0x195/0x310
Dec 30 03:09:03 ubuntu kernel: [ 263.086929] [<ffffffff810702f0>] ? process_timeout+0x0/0x10
Dec 30 03:09:03 ubuntu kernel: [ 263.086933] [<ffffffff8158830e>] schedule_timeout_uninterruptible+0x1e/0x20
Dec 30 03:09:03 ubuntu kernel: [ 263.086936] [<ffffffff81071420>] msleep+0x20/0x30
Dec 30 03:09:03 ubuntu kernel: [ 263.086940] [<ffffffff81457dba>] __dm_destroy+0x9a/0x150
Dec 30 03:09:03 ubuntu kernel: [ 263.086943] [<ffffffff81457ea3>] dm_destroy+0x13/0x20
Dec 30 03:09:03 ubuntu kernel: [ 263.086946] [<ffffffff8145d570>] dev_remove+0x90/0x110
Dec 30 03:09:03 ubuntu kernel: [ 263.086950] [<ffffffff8145d4e0>] ? dev_remove+0x0/0x110
Dec 30 03:09:03 ubuntu kernel: [ 263.086953] [<ffffffff8145ddb5>] ctl_ioctl+0x1a5/0x250
Dec 30 03:09:03 ubuntu kernel: [ 263.086956] [<ffffffff8145de73>] dm_ctl_ioctl+0x13/0x20
Dec 30 03:09:03 ubuntu kernel: [ 263.086960] [<ffffffff81162f0d>] vfs_ioctl+0x3d/0xd0
Dec 30 03:09:03 ubuntu kernel: [ 263.086963] [<ffffffff811637e1>] do_vfs_ioctl+0x81/0x340
Dec 30 03:09:03 ubuntu kernel: [ 263.086967] [<ffffffff8158db2e>] ? do_page_fault+0x15e/0x350
Dec 30 03:09:03 ubuntu kernel: [ 263.086970] [<ffffffff81163b21>] sys_ioctl+0x81/0xa0
Dec 30 03:09:03 ubuntu kernel: [ 263.086974] [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b
Dec 30 03:09:03 ubuntu kernel: [ 263.086978] Sched Debug Version: v0.09, 2.6.35-24-generic #42-Ubuntu