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Subjectoops with 2.5.1-pre3 in ide-scsi module
Hi,

just tried the new 2.5.1-pre3 and got the following oops when trying to
burn a cd (ide-cd/rw with ide-scsi emulation).

I Hope this is some useful information.


____
ksymoops 2.4.3 on i586 2.5.1-pre3. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.1-pre3/ (default)
-m /boot/System.map-2.5.1-pre3 (default)

Warning: You did not tell me where to find
symbol information. I will
assume that the log matches the kernel and
modules that are running
right now and I'll use the default options
above for symbol resolution.
If the current kernel and/or modules do not
match the log, you can get
more accurate output by telling me the kernel
version and where to find
map, modules, ksyms etc. ksymoops -h explains
the options.


Unable to handle kernel NULL pointer dereference at virtual address
00000038
c01af582
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[idescsi_queue+1158/1396] Not tainted
EFLAGS: 00210002
eax: 00000000 ebx: d3f64320 ecx: d3f64ea0 edx: 00000000
esi: c0989000 edi: d3f64ea0 ebp: d3f64320 esp: c7321cc4
ds: 0018 es: 0018 ss: 0018
Process cdrecord (pid: 1055, stackpage=c7321000)
Stack: 00200293 d36761d4 d3eef800 d3f2dba0 00000000 c8a76ee0 d3eef858 c0989000
00000001 00000000 c7d5d3c0 c150eee0 c02c3be4 c01a7309 d3eef800 c01a77b4
d3eef800 d36761d4 d3eef8b8 d36761d4 00000000 c01ac422 d3eef800 d3eef800
Call Trace: [scsi_dispatch_cmd+257/372] [scsi_done+0/144] [scsi_request_fn+786/808] [__scsi_in sert_special+118/128] [scsi_insert_special_req+25/32]
Code: 03 42 38 89 46 00 83 c6 14 89 74 24 1c 83 6c 24 20 01 73 bf
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 03 42 38 add 0x38(%edx),%eax
Code; 00000002 Before first symbol
3: 89 46 00 mov %eax,0x0(%esi)
Code; 00000006 Before first symbol
6: 83 c6 14 add $0x14,%esi
Code; 00000008 Before first symbol
9: 89 74 24 1c mov %esi,0x1c(%esp,1)
Code; 0000000c Before first symbol
d: 83 6c 24 20 01 subl $0x1,0x20(%esp,1)
Code; 00000012 Before first symbol
12: 73 bf jae ffffffd3 <_EIP+0xffffffd3> ffffffd2 <END_OF_CODE+2af53fd0/????>


1 warning issued. Results may not be reliable.
____

After the oops the following message appeared in syslog:

Nov 29 18:06:01 enterprise kernel: <6>scsi: device set offline -
command error recover failed: host 0 channel 0 id 0 lun 0

____

lsmod shows no loaded ide-scsi or cdrom modules, so the oops happened
before loading them.

____




Please CC: me in replies or if you need further information as I'm not
subscribed to l-k.


Cheers,

Dirk

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