I was playing around with Kurt Garloff's rescan-scsi-bus.sh, more
precisely, I moved an entire bus from my Tekram DC-390U (with sym53c8xx
driver) to my Tekram DC-390 (with tmscsim driver). Then, I ran that
script which effectively sends a lot of stuff to /proc/scsi/scsi (scsi
add-single-device).
I ran that script several times since it did not collect all devices,
and at one time, I got two oopsen that I decoded.
The script is available at: http://www.garloff.de/kurt/linux/
The Kernel is a patched 2.2.17, but I think it has no SCSI-related
patches apart from an updated (2.0e3) tmscsim driver. Here's the full patch
list:
* ide.2.2.17.all.20000904
* i²c 2.5.4
* lm_sensors 2.5.4
* dc390 2.0e3
* serial 5.05
* NFSv3: linux-2.2.17-nfsv3-0.23.1.dif dhiggen-over-0.23.1 restore_rsize
* ReiserFS v3.5.27
These are the oopses:
ksymoops 2.3.5 on i586 2.2.17ma3. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.2.17ma3/ (default)
-m /boot/System.map-2.2.17ma3 (specified)
Warning (compare_maps): ksyms_base symbol module_list_R__ver_module_list not found in
System.map. Ignoring ksyms_base entry
Unable to handle kernel NULL pointer dereference at virtual address 00000052
current->tss.cr3 = 05463000, %%cr3 = 05463000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[sr_finish+112/388]
EFLAGS: 00010206
eax: 00000000 ebx: 00000054 ecx: 00000005 edx: c7f9cc00
esi: c267bd50 edi: c7f9cc40 ebp: 00000001 esp: c267bd3c
ds: 0018 es: 0018 ss: 0018
Process rescan-scsi-bus (pid: 18301, process nr: 122, stackpage=c267b000)
Stack: 00000000 c7e3c000 c02a9980 c267bd4c 00307273 c01fedaf c33a0820 00000008
c010a058 c01fedf3 00000000 00000000 c7e3c000 00000001 c5902140 c02caee0
c5902148 c0132793 c5902140 c267bda4 c267bda4 c0001a00 00020000 c5780280
Call Trace: [scan_scsis+491/1076] [common_interrupt+24/32] [scan_scsis+559/1076]
[get_new_inode+147/312] [vsprintf+720/764] [wake_up_process+64/76] [__wake_up+59/68]
Code: 80 48 52 20 a1 ac 99 2a c0 80 4c 18 16 08 a1 ac 99 2a c0 80
Using defaults from ksymoops -t elf32-i386 -a i386
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 80 48 52 20 orb $0x20,0x52(%eax)
Code; 00000004 Before first symbol
4: a1 ac 99 2a c0 mov 0xc02a99ac,%eax
Code; 00000009 Before first symbol
9: 80 4c 18 16 08 orb $0x8,0x16(%eax,%ebx,1)
Code; 0000000e Before first symbol
e: a1 ac 99 2a c0 mov 0xc02a99ac,%eax
Code; 00000013 Before first symbol
13: 80 00 00 addb $0x0,(%eax)
Unable to handle kernel NULL pointer dereference at virtual address 00000032
current->tss.cr3 = 02394000, %%cr3 = 02394000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[proc_print_scsidevice+35/504]
EFLAGS: 00010246
eax: 00000000 ebx: c2577d40 ecx: c154f328 edx: c2577d40
esi: 00000329 edi: c7e3c000 ebp: c154f000 esp: c0551e78
ds: 0018 es: 0018 ss: 0018
Process cat (pid: 18466, process nr: 140, stackpage=c0551000)
Stack: 00000000 00000002 00000000 c2577d40 00000329 c7e3c000 c154f000 c154f000
c0271d8a c33a086a c33a0852 c4ae0ac0 00000212 c1f564c0 c0200e21 c2577d40
c154f000 c0551ef0 00000329 c11462a0 00000100 00000000 00000c00 c1f56380
Call Trace: [scsi_device_types+3946/5792] [scsi_proc_info+121/1876]
[do_anonymous_page+45/128] [do_no_page+54/212] [dispatch_scsi_info+64/188]
[proc_readscsi+150/268] [proc_readscsi+45/268]
Code: 66 8b 40 32 25 ff ff 00 00 50 68 20 5c 27 c0 8b 5c 24 50 03
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 66 8b 40 32 mov 0x32(%eax),%ax
Code; 00000004 Before first symbol
4: 25 ff ff 00 00 and $0xffff,%eax
Code; 00000009 Before first symbol
9: 50 push %eax
Code; 0000000a Before first symbol
a: 68 20 5c 27 c0 push $0xc0275c20
Code; 0000000f Before first symbol
f: 8b 5c 24 50 mov 0x50(%esp,1),%ebx
Code; 00000013 Before first symbol
13: 03 00 add (%eax),%eax
1 warning issued. Results may not be reliable.
--
Matthias Andree
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