linux-kernel - [BUG] unable to handle kernel paging request in next-20080516

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Date:	Sat, 17 May 2008 12:50:24 +0000 (UTC)
From:	Sitsofe Wheeler <sitsofe@...oo.com>
To:	linux-kernel@...r.kernel.org
Subject:  [BUG] unable to handle kernel paging request in next-20080516

Sometimes when booting next-20080516 on Ubuntu Gutsy an oops then a panic 
will occur. At first I thought it might be provoked by vga=0x164 but this 
does not appear to be the case and the issue is seemingly random. I've 
hand transcribed the oops so there may be errors in it but hopefully it 
will still help:

BUG: unable to handle kernel paging request at e6f17fac
IP: [<c02604d6>] scsi_bus_uevent+0x1/0x17
*pde = 2714b163 *pte = 26f17160
Oops: 0000 [#1] DEBUG_PAGEALLOC
last sysfs file:

Pid:  1, comm: swapper Not tainted (2.6.26-rc2-next-20080516skw #30)
EIP: 0060:[<c02604d6>] EFLAGS: 00010282 CPU: 0
EIP is at scsi_bus_uevent+0x1/0x17
EAX: e6f18014 EBX: e6f18014 ECX: c02604d5 EDX: e7173000
ESI: e7173000 EDI: e7173000 EBP: e7851ca0 ESP: e7851c90
 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
Process swapper (pid: 1, ti=e7850000 task=e7848000 task.ti=e7850000)
Stack: e7851ca0 c0237f3a c0237eac 00000000 e7851ce4 c01da36d 00000000 e6f180fc
       e7835000 c03ebf42 e7163240 c03af631 c040b050 c040b598 00000000 e6f18014
       00000000 e7851cdc 00000000 e6f18014 00000000 e7851cec c01da52a e7851d2c
Call Trace:
 [<c0237f3a>] ? dev_uevent+0x8e/0xca
 [<c0237eac>] ? dev_uevent+0x0/0xca
 [<c01da36d>] ? kobject_uevent_env+0x14c/0x2ff
 [<c01da52a>] ? kobject_uevent_env+0xa/0xc
 [<c023884b>] ? device_add+0x2bf/0x3f0
 [<c0321905>] ? mutex_unlock+0x8/0xa
 [<c02607b4>] ? scsi_sysfs_add_sdev+0x39/0x1d3
 [<c025f037>] ? scsi_probe_and_add_lun+0x714/0x08
 [<c025f9ef>] ? __scsi_add_device+0x85/0xab
 [<c026a70c>] ? ata_scsi_scan_host+0x7f/0x15e
 [<c0267ec8>] ? ata_host_register+0x1c8/0x1e5
 [<c026ec75>] ? ata_pci_sff_activate_host+0x179/0x19f
 [<c0270b61>] ? ata_sff_interupt+0x0/0x1d7
 [<c026f076>] ? ata_pci_sff_init_one+0x97/0xe1
 [<c027219c>] ? via_init_one+0x1da/0x1e3
 [<c01e5670>] ? pci_device_probe+0x39/0x59
 [<c023a0a1>] ? driver_probe_device+0x9f/0x119
 [<c023a158>] ? __driver_attach+0x3d/0x5f
 [<c023990a>] ? bus_for_each_dev+0x3e/0x60
 [<c0239f39>] ? driver_attach+0x14/0x16
 [<c023a11b>] ? __driver_attach+0x0/0x5f
 [<c0239c9d>] ? bus_add_driver+0x99/0x1a0
 [<c023a2d6>] ? driver_register+0x71/0xcd
 [<c01e5852>] ? __pci_register_driver+0x53/0x81
 [<c04205b1>] ? kernel_init+0x0/0xc4
 [<c04378fc>] ? via_init+0x14/0x16
 [<c0132800>] ? trace_softirqs_on+0x78/0x7e
 [<c01dd90c>] ? trace_hardirqs_on_thunk+0xc/0x10
 [<c0102c3a>] ? restore_nocheck_notrace+0x0/0xe
 [<c04205b1>] ? kernel_init+0x0/0x1c4
 [<c04205b1>] ? kernel_init+0x0/0x1c4
 [<c010373f>] ? kernel_thread_helper+0x7/0x10
 =======================

-- 
Sitsofe | http://sucs.org/~sits/

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