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Subject[PANIC][2.6.5-rc2-bk1] st_probe - Detection of a SCSI tape drive (HP Colorado T4000s) - Dump included now
Date
Here is the captured dump, the st driver appears to be broken:

st: Version 20040226, fixed bufsize 32768, s/g segs 256
Unable to handle kernel NULL pointer dereference at virtual address 0000002e
printing eip:
e48640fb
*pde = 00000000
Oops: 0002 [#1]
PREEMPT DEBUG_PAGEALLOC
CPU: 0
EIP: 0060:[<e48640fb>] Not tainted
EFLAGS: 00010282 (2.6.5-rc2-bk1)
EIP is at do_create_class_files+0x9b/0x130 [st]
eax: e1be2e74 ebx: ffffffea ecx: e3febf78 edx: e4867fc8
esi: 00000000 edi: e1be2df8 ebp: 00000000 esp: e1b0fe6c
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 439, threadinfo=e1b0e000 task=e2ae29e0)
Stack: e239ef38 00900000 e3376da4 e486479b e1c5a71c 00000000 00000002
00000004
e1c5a640 e1be2e74 e4863941 e239cf04 e48646c9 00000000 c0187e09
e19cef38
00000000 e1be2e74 c01920ec 405e5d3a 00000000 e1be2df8 00000000
00000000
Call Trace:
[<e4863941>] st_probe+0x501/0x800 [st]
[<c0187e09>] __lookup_hash+0x89/0xb0
[<c01920ec>] dput+0x1c/0x710
[<c01bd502>] sysfs_create_dir+0x32/0x70
[<c0252f12>] bus_match+0x32/0x60
[<c0253029>] driver_attach+0x59/0x90
[<c01f0b12>] kobject_register+0x22/0x60
[<c02532e1>] bus_add_driver+0x91/0xb0
[<c0253700>] driver_register+0x80/0x90
[<e486a088>] init_st+0x88/0xcb [st]
[<c0144e2f>] sys_init_module+0x1df/0x3a0
[<c01718ff>] filp_close+0x4f/0x80
[<c0107dd9>] sysenter_past_esp+0x52/0x71

Code: 89 43 44 89 d8 e8 cb f7 9e db ba dc 7f 86 e4 89 d8 e8 bf f7

-----Original Message-----
From: Shawn Starr [mailto:shawn.starr@rogers.com]
Sent: Sunday, March 21, 2004 09:45 PM
To: 'linux-kernel@vger.kernel.org'
Subject: [PANIC][2.6.5-rc2-bk1] st_probe - Detection of a SCSI tape drive
(HP Colorado T4000s)


Apon booting 2.6.5-rc2-bk1, during detection of the SCSI tape drive, the
kernel panics

The backtrace is:

st_probe
__lockup_hash
dput
sysfs_create_dir
bus_match
driver_match
kobject_register
bus_add_driver
driver_register
init_st
do_initcalls
init
init
kernel_thread_helper

Is this known? I will revert to my previous kernel

Shawn.


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