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SubjectRe: Linux-2.0.32.. (OOPS)
This time the following appeared while doing a dd from /dev/hda to /dev/hdc.

----------------------------------------------------------------------------

Unable to handle kernel paging request at virtual address c2994f38
current->tss.cr3 = 01715000, %cr3 = 01715000
general protection: 0000
*pde = 00f95b98
Oops: 0000
CPU: 0
EIP: 0010:[<0016ad55>]
EFLAGS: 00010006
eax: 0375b0cc ebx: 02994f18 ecx: 00000019 edx: 0028be60
esi: 001b55c4 edi: 002af298 ebp: 00000400 esp: 03d39cb8
ds: 0010 es: 0018 fs: 002b gs: 002b ss: 0018
Corrupted stack page
Process dd (pid: 185, process nr: 20, stackpage=03d39000)
Stack: 000000ee 001b55c4 001c6264 001c6101 0016fc39 00000001 002af298 002af298
001c6264 0016fbcc 00000424 0016cd86 001c6264 002ab0f8 20000000 0000000f
0010ca3a 0000000f 002af298 00000000 000003fe 00c0d14a 400d6154 0010c891
Call Trace: [<0016fc39>] [<0016fbcc>] [<0016cd86>] [<0010ca3a>] [<0010c891>]
[<0012818f>] [<00122270>]
[<0010a665>]
Code: 8b 43 20 c1 e8 09 89 46 18 39 46 14 73 10 89 46 14 68 ac 69
Aiee, killing interrupt handler

--------------------------------------------------------------------------

Here's what ksymoops produces given the above.

Using `/usr/src/linux/System.map' to map addresses to symbols.

>>EIP: 16ad55 <ide_end_request+91/114>
Trace: 16fc39 <dma_intr+6d/b0>
Trace: 16fc39 <dma_intr+6d/b0>
Trace: 16cd86 <ide_intr+3e/64>
Trace: 10ca3a <do_fast_IRQ+2a/4c>
Trace: 10c891 <fast_IRQ15_interrupt+41/70>
Trace: 12818f <block_read+4ab/5bc>
Trace: 122270 <sys_read+c0/e8>
Trace: 10a665 <system_call+55/80>

Code: 16ad55 <ide_end_request+91/114>
Code: 16ad55 <ide_end_request+91/114> 8b 43 20 movl 0x20(%ebx),%eax
Code: 16ad58 <ide_end_request+94/114> c1 e8 09 shrl $0x9,%eax
Code: 16ad5b <ide_end_request+97/114> 89 46 18 movl %eax,0x18(%esi)
Code: 16ad5e <ide_end_request+9a/114> 39 46 14 cmpl %eax,0x14(%esi)
Code: 16ad67 <ide_end_request+a3/114> 73 10 jae 16ad73
<ide_end_request+af/114>
Code: 16ad69 <ide_end_request+a5/114> 89 46 14 movl %eax,0x14(%esi)
Code: 16ad6c <ide_end_request+a8/114> 68 ac 69 00 90 pushl $0x900069ac
Code: 16ad77 <ide_end_request+b3/114> 90 nop
Code: 16ad78 <ide_end_request+b4/114> 90 nop

--------------------------------------------------------------------------

Let me know if there's more information you need.

Rodney
rbarnett@teltech.com
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