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Hi,
Have you applied any other patches than the 2.5.1-pre3?
If/When not you'll probably get some data corruption :(
Please apply the 2 Patches attatched and
http://kernel.org/pub/linux/kernel/people/axboe/patches/v2.5/2.5.1-pre3/bio-pre3-1.gz
Then recompile your kernel ;)
These patches were posted before by Alan Cox and Jens Axboe
CD burning works fine for me with this patches but I have compiled all SCSI
and IDE stuff directly into the kernel... maybe this matters
Bye
Am Donnerstag, 29. November 2001 19:19 schrieb Dirk Pritsch:
> 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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