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Subject2.5.1-pre8 oopses on non existing acorn partition
2.5.1-pre8 oopses in adfspart_check_ICS (probably the put_dev_sector, 
not entirely sure, since there doesn't seem to be anything wrong).
I've enabled advanced partitions, and all the partition types.
Disabling advanced partitions fixes it.

I'm including the output of ksymoops, and hope that it helps,

Bas Vermeulen

ksymoops 2.4.1 on i686 2.5.0. Options used
-v /usr/src/linux-2.5.1/vmlinux (specified)
-k /dev/null (specified)
-l /dev/null (specified)
-o /lib/modules/2.5.1-pre8 (specified)
-m /usr/src/linux-2.5.1/ (specified)

Error (regular_file): read_ksyms /dev/null is not a regular file, ignored
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Unable to handle kernel NULL pointer dereference at virtual address 00000018
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c012d113>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010a83
eax: 00000000 ebx: 00000000 ecx: 506230c2 edx: 000001fc
esi: c1571124 edi: 00000001 ebp: 00000001 esp: d3fe1e9a
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 1, stackpage=d3fe1000)
Stack: c1055b80 c01517b1 c1055b80 0000003f c1055b80 00000246 0000115c 00000246
00000000 c1571124 c02d0270 00000001 00000000 c015190e d3fe75cc c1571124
00000000 00000001 c02d0244 c1571124 d3fe75cc 00000000 c0150fd2 d3fe75cc
Call Trace: [<c01517b1>] [<c015190e>] [<c0150fd2>] [<c01dfa58>] [<c01ea5d2>]
[<c0151161>] [<c01dd328>] [<c0105000>] [<c0105039>] [<c0105000>] [<c01055f6>]
Code: 8b 43 18 a9 00 40 00 00 75 23 ff 4b 14 0f 94 c0 84 c0 74 19

>>EIP; c012d113 <page_cache_release+3/40> <=====
Trace; c01517b1 <adfspart_check_ICS+71/f0>
Trace; c015190e <acorn_partition+2e/60>
Trace; c0150fd2 <check_partition+f2/170>
Trace; c01dfa58 <ide_add_setting+88/120>
Trace; c01ea5d2 <ide_cdrom_add_settings+b2/c0>
Trace; c0151161 <grok_partitions+d1/110>
Trace; c01dd328 <ide_geninit+68/90>
Trace; c0105000 <_stext+0/0>
Trace; c0105039 <init+9/140>
Trace; c0105000 <_stext+0/0>
Trace; c01055f6 <kernel_thread+26/30>
Trace; c0105030 <init+0/140>
Code; c012d113 <page_cache_release+3/40>
00000000 <_EIP>:
Code; c012d113 <page_cache_release+3/40> <=====
0: 8b 43 18 mov 0x18(%ebx),%eax <=====
Code; c012d116 <page_cache_release+6/40>
3: a9 00 40 00 00 test $0x4000,%eax
Code; c012d11b <page_cache_release+b/40>
8: 75 23 jne 2d <_EIP+0x2d> c012d140 <page_cache_release+30/40>
Code; c012d11d <page_cache_release+d/40>
a: ff 4b 14 decl 0x14(%ebx)
Code; c012d120 <page_cache_release+10/40>
d: 0f 94 c0 sete %al
Code; c012d123 <page_cache_release+13/40>
10: 84 c0 test %al,%al
Code; c012d125 <page_cache_release+15/40>
12: 74 19 je 2d <_EIP+0x2d> c012d140 <page_cache_release+30/40>

1 error issued. Results may not be reliable.

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