Messages in this thread | | | Date | Fri, 19 Jul 2002 10:34:03 +0200 | From | "Udo A. Steinberg" <> | Subject | [OOPS] Floppy oops with 2.5.26 |
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Hello,
Following oops happened with 2.5.26 when trying to mount a disk in /dev/fd0.
Regards, -Udo.
VFS: Disk change detected on device fd(2,0) generic_make_request: Trying to access nonexistent block-device fd(2,0) (0)
ksymoops 2.4.5 on i686 2.5.26. Options used -V (default) -K (specified) -l /proc/modules (default) -o /lib/modules/2.5.26/ (default) -m /boot/System.map-2.5.26 (specified)
No modules in ksyms, skipping objects No ksyms, skipping lsmod Unable to handle kernel NULL pointer dereference at virtual address 00000094 c01e5727 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[<c01e5727>] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010002 eax: 00000000 ebx: 00000094 ecx: c03dc000 edx: c03dde60 esi: 00000000 edi: c1008708 ebp: efcf1640 esp: c03dde2c ds: 0018 es: 0018 ss: 0018 Stack: c03dde58 c03dde74 c01ee293 00000000 efcf1640 00000000 c03dde74 efcf1640 00000200 00000001 ef500200 00000001 00000000 c03dde60 c03dde60 c1008708 00000400 00000000 00000000 00000000 efcf1640 00000000 00000000 00000001 Call Trace: [<c01ee293>] [<c01ee1d0>] [<c01ee31a>] [<c01ee470>] [<c013bbeb>] [<c01ee086>] [<c013bd7d>] [<c013c002>] [<c0135281>] [<c0135192>] [<c0135597>] [<c0106dab>] Code: 39 9e 94 00 00 00 74 40 ff 41 10 8b 53 04 8b 86 94 00 00 00
>>EIP; c01e5727 <generic_unplug_device+17/80> <=====
>>ecx; c03dc000 <END_OF_CODE+2642c/????> >>edx; c03dde60 <END_OF_CODE+2828c/????> >>edi; c1008708 <END_OF_CODE+c52b34/????> >>ebp; efcf1640 <END_OF_CODE+2f93ba6c/????> >>esp; c03dde2c <END_OF_CODE+28258/????>
Trace; c01ee293 <__floppy_read_block_0+b3/f0> Trace; c01ee1d0 <floppy_rb0_complete+0/10> Trace; c01ee31a <floppy_read_block_0+4a/60> Trace; c01ee470 <floppy_revalidate+140/170> Trace; c013bbeb <check_disk_change+7b/90> Trace; c01ee086 <floppy_open+336/390> Trace; c013bd7d <do_open+12d/310> Trace; c013c002 <blkdev_open+22/30> Trace; c0135281 <dentry_open+e1/1b0> Trace; c0135192 <filp_open+52/60> Trace; c0135597 <sys_open+37/80> Trace; c0106dab <syscall_call+7/b>
Code; c01e5727 <generic_unplug_device+17/80> 00000000 <_EIP>: Code; c01e5727 <generic_unplug_device+17/80> <===== 0: 39 9e 94 00 00 00 cmp %ebx,0x94(%esi) <===== Code; c01e572d <generic_unplug_device+1d/80> 6: 74 40 je 48 <_EIP+0x48> c01e576f <generic_unplug_device+5f/80> Code; c01e572f <generic_unplug_device+1f/80> 8: ff 41 10 incl 0x10(%ecx) Code; c01e5732 <generic_unplug_device+22/80> b: 8b 53 04 mov 0x4(%ebx),%edx Code; c01e5735 <generic_unplug_device+25/80> e: 8b 86 94 00 00 00 mov 0x94(%esi),%eax <6>note: mount[6832] exited with preempt_count 2
floppy driver state ------------------- now=53287074 last interrupt=1198 diff=53285876 last called handler=c01e9fd0 timeout_message=lock fdc last output bytes: 0 0 0 0 0 0 0 0 0 8 80 1196 8 80 1196 8 80 1196 8 80 1196 e 80 1197 13 80 1197 0 90 1197 1a 90 1197 0 90 1197 12 90 1197 0 90 1198 14 90 1198 18 80 1198 8 80 1198 8 80 1198 8 80 1198 8 80 1198 last result at 1199 last redo_fd_request at 1199
status=80 fdc_busy=1 cont=00000000 CURRENT=00000000 command_status=-1
floppy0: floppy timeout called no cont in shutdown! floppy0: timeout handler died: floppy shutdown
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