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b6550777a3
We must unregister from SCSI before we unmap device resources and unhook
the IRQ handler. Otherwise, SCSI may send us more requests, and we won't
be able to handle them.
I see the following oops during every reboot of my HP DL360:
...
Unmounting local filesystems...done.
Rebooting... Completed flushing cache on controller 0
BUG: unable to handle kernel paging request at virtual address f8808040
printing eip:
c02dc72b
*pde = 02120067
*pte = 00000000
Oops: 0002 [#1]
SMP
Modules linked in:
CPU: 1
EIP: 0060:[<c02dc72b>] Not tainted VLI
EFLAGS: 00010046 (2.6.21-rc6 #1)
EIP is at SA5_submit_command+0xb/0x20
eax: f8808000 ebx: f7a00000 ecx: f79f0000 edx: 37a00000
esi: f79f0000 edi: 00000000 ebp: 00000000 esp: dd717a44
ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
Process khelper (pid: 1427, ti=dd716000 task=c2260a70 task.ti=dd716000)
Stack: c02df2c0 f7a00000 f7a00000 00d41008 c02df691 00000000 00000010 00000002
00000001 f79f0000 f7fff844 c1398420 00000000 00000000 00001000 230a3020
69666564 5420656e 50434f49 465f544b 4853554c 44414552 0a312009 66656423
Call Trace:
[<c02df2c0>] start_io+0x80/0x120
[<c02df691>] do_cciss_request+0x331/0x350
[<c014242a>] mempool_alloc+0x2a/0xe0
[<c020ad71>] blk_alloc_request+0x61/0x80
[<c020b02e>] get_request+0x15e/0x1e0
[<c01595e0>] cache_alloc_refill+0xb0/0x1e0
[<c021049d>] as_update_rq+0x2d/0x80
[<c0210d28>] as_add_request+0x68/0x90
[<c0207f99>] elv_insert+0x119/0x160
[<c020bd0b>] __make_request+0xcb/0x320
[<c0122ee0>] lock_timer_base+0x20/0x50
[<c0123096>] del_timer+0x56/0x60
[<c020a7b8>] blk_remove_plug+0x38/0x70
[<c020a815>] __generic_unplug_device+0x25/0x30
[<c020a835>] generic_unplug_device+0x15/0x30
...
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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| .. | ||
| acorn | ||
| acpi | ||
| amba | ||
| ata | ||
| atm | ||
| auxdisplay | ||
| base | ||
| block | ||
| bluetooth | ||
| cdrom | ||
| char | ||
| clocksource | ||
| connector | ||
| cpufreq | ||
| crypto | ||
| dio | ||
| dma | ||
| edac | ||
| eisa | ||
| fc4 | ||
| firmware | ||
| hid | ||
| hwmon | ||
| i2c | ||
| ide | ||
| ieee1394 | ||
| infiniband | ||
| input | ||
| isdn | ||
| kvm | ||
| leds | ||
| macintosh | ||
| mca | ||
| md | ||
| media | ||
| message | ||
| mfd | ||
| misc | ||
| mmc | ||
| mtd | ||
| net | ||
| nubus | ||
| oprofile | ||
| parisc | ||
| parport | ||
| pci | ||
| pcmcia | ||
| pnp | ||
| ps3 | ||
| rapidio | ||
| rtc | ||
| s390 | ||
| sbus | ||
| scsi | ||
| serial | ||
| sh | ||
| sn | ||
| spi | ||
| tc | ||
| telephony | ||
| usb | ||
| video | ||
| w1 | ||
| zorro | ||
| Kconfig | ||
| Makefile | ||