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SubjectRe: mount /mnt/cdrom = segfault
Tommasi Marc wrote:

>Hello,
> I cannot explain why the mount command issues with a segmentation
>fault.
> Kernel messages indicates
>
>Nov 14 20:44:38 marion kernel: devfs: devfs_register(): device already
>registered: "cd"
>Nov 14 20:44:38 marion kernel: hdc: ide_cdrom_setup failed to register
>device with the cdrom driver.
>Nov 14 20:44:38 marion kernel: Unable to handle kernel NULL pointer
>dereference at virtual address 00000028
>Nov 14 20:44:38 marion kernel: printing eip:
>Nov 14 20:44:38 marion kernel: c018ba8f
>Nov 14 20:44:38 marion kernel: *pde = 00000000
>Nov 14 20:44:38 marion kernel: Oops: 0000
>Nov 14 20:44:38 marion kernel: CPU: 0
>Nov 14 20:44:38 marion kernel: EIP:
>0010:[ide_revalidate_disk+223/272]
>Nov 14 20:44:38 marion kernel: EIP: 0010:[<c018ba8f>]
>Nov 14 20:44:38 marion kernel: EFLAGS: 00010212
>Nov 14 20:44:38 marion kernel: eax: 00000000 ebx: 00001600 ecx:
>00001600 edx: 00000000
>Nov 14 20:44:38 marion kernel: esi: c03591d0 edi: 00001100 ebp:
>00000040 esp: c813dec8
>Nov 14 20:44:38 marion kernel: ds: 0018 es: 0018 ss: 0018
>Nov 14 20:44:38 marion kernel: Process mount (pid: 2502,
>stackpage=c813d000)
>Nov 14 20:44:38 marion kernel: Stack: 16000330 00000000 00000330
>00000000 c0359498 00000330 c018bb0a 00001600
>Nov 14 20:44:38 marion kernel: 00000001 c03591d0 ce8cfc60
>00000000 ce8cfc60 c018bbd4 c149a5a0 ce8cfc60
>Nov 14 20:44:38 marion kernel: c0138a38 ce8cfc60 c82447a0
>c14c3240 00000000 c14c3244 c015d7df ce8cfc60
>Nov 14 20:44:38 marion kernel: Call Trace: [revalidate_drives+74/128]
>[ide_open+52/240] [blkdev_open+72/128] [devfs_open+191/416]
>[dentry_open+192/336]
>Nov 14 20:44:38 marion kernel: Call Trace: [<c018bb0a>] [<c018bbd4>]
>[<c0138a38>] [<c015d7df>] [<c0131d60>]
>Nov 14 20:44:38 marion kernel: [filp_open+75/96] [getname+95/160]
>[sys_open+54/176] [system_call+51/64]
>Nov 14 20:44:38 marion kernel: [<c0131c8b>] [<c013b45f>] [<c0131f76>]
>[<c0106ec3>]
>Nov 14 20:44:38 marion kernel:
>Nov 14 20:44:38 marion kernel: Code: 8b 40 28 85 c0 74 04 56 ff d0 5b 80
>a6 ae 00 00 00 fb 8d 86
>
>
>
>I have tried no boot with devfs=nomount but I have still the same kind
>of message.
>I whish to be cc'ed the answers.
>Thanks a lot.
>
>Marc.
>-
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>Please read the FAQ at http://www.tux.org/lkml/
>
Kernel version and box features could help....
Please read the Howto Oops in the kernel documentation, and resubmit
the Oops.

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