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SubjectRe: [BUG] 2.6.23-rc9 kernel panic - simple_map_write+0x4e/0x75
On Sat, 13 Oct 2007 12:10:44 +0530
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:

> Kernel panic's with following oops message with 2.6.23-rc9 kernel
>
> [ 320.747257] ks0108: ERROR: parport didn't register new device
> [ 320.771314] cfag12864b: ERROR: ks0108 is not initialized
> [ 320.794308] cfag12864bfb: ERROR: cfag12864b is not initialized
> [ 320.820729] BUG: unable to handle kernel paging request at virtual address
> bf000000
> [ 320.857712] printing eip:
> [ 320.872556] *pde = 00000000
> [ 320.887577] Oops: 0002 [#1]
> [ 320.902383] SMP
> [ 320.914174] Modules linked in:
> [ 320.929333] CPU: 0
> [ 320.929334] EIP: 0060:[<c0d7e4e2>] Not tainted VLI
> [ 320.929335] EFLAGS: 00010286 (2.6.23-rc9-1 #1)
> [ 320.982753] EIP is at simple_map_write+0x4e/0x75
> [ 321.001956] eax: f0f0f0f0 ebx: c1de3f00 ecx: c1de3f00 edx: c1de3f00
> [ 321.027701] esi: c3ca8d6c edi: bf000000 ebp: c3ca8d98 esp: c3ca8d6c
> [ 321.053322] ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
> [ 321.075981] Process swapper (pid: 1, ti=c3ca8000 task=f7f44000 task.ti=c3ca8000)
> [ 321.103031] Stack: f0f0f0f0 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> [ 321.139446] c3ca8e20 00000001 c3ca8e40 c3ca8e6c c0d692e6 f0f0f0f0
> 00000000 00000000
> [ 321.176495] 00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 000050e6
> [ 321.214141] Call Trace:
> [ 321.233922] [<c0107dff>] show_trace_log_lvl+0x19/0x2e
> [ 321.255433] [<c0107ec1>] show_stack_log_lvl+0x99/0xa1
> [ 321.276706] [<c01080c4>] show_registers+0x1b8/0x290
> [ 321.297254] [<c01082f9>] die+0x118/0x1fd
> [ 321.314920] [<c145014a>] do_page_fault+0x51c/0x5f3
> [ 321.335291] [<c144e6da>] error_code+0x72/0x78
> [ 321.354413] [<c0d692e6>] cfi_probe_chip+0x148/0x9e1
> [ 321.375202] [<c0d7bb3e>] genprobe_new_chip+0x82/0x98
> [ 321.396298] [<c0d7b8dd>] genprobe_ident_chips+0x26/0x205
> [ 321.418493] [<c0d7b830>] mtd_do_chip_probe+0x10/0x97
> [ 321.439654] [<c0d6a29e>] cfi_probe+0xd/0xf
> [ 321.458157] [<c0d68d57>] do_map_probe+0x40/0x53
> [ 321.477931] [<c200d748>] init_pnc2000+0x3b/0x6d
> [ 321.497559] [<c1fa382c>] do_initcalls+0x7a/0x1c2
> [ 321.517377] [<c1fa3990>] do_basic_setup+0x1c/0x1e
> [ 321.537327] [<c1fa3a2c>] kernel_init+0x69/0xaa
> [ 321.556311] [<c0107c2b>] kernel_thread_helper+0x7/0x10
> [ 321.577207] =======================
> [ 321.592882] Code: 83 f8 01 75 0a 03 7b 10 8b 45 d4 88 07 eb 35 83 f8 02 75 0c
> 0f b7 45 d4 03 7b 10 66 89 07 eb 24 83 f8 04 75 0a 03 7b 10 8b 45 d4 <89> 07 eb
> 15 7e 13 03 7b 10 89 c1 c1 e9 02 f3 a5 89 c1 83 e1 03
> [ 321.668990] EIP: [<c0d7e4e2>] simple_map_write+0x4e/0x75 SS:ESP 0068:c3ca8d6c
> [ 321.695750] Kernel panic - not syncing: Attempted to kill init!

Would I be correct in assuming that the machine has no mtd devices, but
you happened to link that driver into your vmlinux?

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