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SubjectOops when mounting cdrom

Hi all,

When mounting a 700 MB CD-RW in my Plextor CD-ROM, my machine
reliably oopses. Below is the first oops decoded.

Can someone explain to me what all those ksymoops warnings are
about?

-Udo.

ksymoops 2.3.5 on i686 2.4.0-test13-pre4. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test13-pre4/ (default)
-m /usr/src/linux/System.map (specified)

Warning (compare_maps): ksyms_base symbol acpi_clear_event_R__ver_acpi_clear_event not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_cm_memcpy_R__ver_acpi_cm_memcpy not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_cm_memset_R__ver_acpi_cm_memset not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_cm_strncmp_R__ver_acpi_cm_strncmp not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_dbg_layer_R__ver_acpi_dbg_layer not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_dbg_level_R__ver_acpi_dbg_level not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_disable_event_R__ver_acpi_disable_event not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_enable_event_R__ver_acpi_enable_event not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_evaluate_object_R__ver_acpi_evaluate_object not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_current_resources_R__ver_acpi_get_current_resources not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_handle_R__ver_acpi_get_handle not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_name_R__ver_acpi_get_name not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_next_object_R__ver_acpi_get_next_object not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_object_info_R__ver_acpi_get_object_info not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_parent_R__ver_acpi_get_parent not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_possible_resources_R__ver_acpi_get_possible_resources not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_processor_cx_info_R__ver_acpi_get_processor_cx_info not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_processor_throttling_info_R__ver_acpi_get_processor_throttling_info not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_processor_throttling_state_R__ver_acpi_get_processor_throttling_state not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_get_type_R__ver_acpi_get_type not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_install_address_space_handler_R__ver_acpi_install_address_space_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_install_gpe_handler_R__ver_acpi_install_gpe_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_install_notify_handler_R__ver_acpi_install_notify_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_breakpoint_R__ver_acpi_os_breakpoint not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_callocate_R__ver_acpi_os_callocate not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_free_R__ver_acpi_os_free not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_in8_R__ver_acpi_os_in8 not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_out8_R__ver_acpi_os_out8 not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_printf_R__ver_acpi_os_printf not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_queue_for_execution_R__ver_acpi_os_queue_for_execution not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_sleep_R__ver_acpi_os_sleep not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_os_sleep_usec_R__ver_acpi_os_sleep_usec not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_processor_sleep_R__ver_acpi_processor_sleep not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_remove_address_space_handler_R__ver_acpi_remove_address_space_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_remove_gpe_handler_R__ver_acpi_remove_gpe_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_remove_notify_handler_R__ver_acpi_remove_notify_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_set_current_resources_R__ver_acpi_set_current_resources not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_set_processor_sleep_state_R__ver_acpi_set_processor_sleep_state not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol acpi_set_processor_throttling_state_R__ver_acpi_set_processor_throttling_state not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol debug_print_prefix_R__ver_debug_print_prefix not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol debug_print_raw_R__ver_debug_print_raw not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol function_exit_R__ver_function_exit not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol function_status_exit_R__ver_function_status_exit not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol function_trace_R__ver_function_trace not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol function_value_exit_R__ver_function_value_exit not found in System.map. Ignoring ksyms_base entry
Unable to handle kernel NULL pointer dereference at virtual address 0000000c
*pde = 00000000
OOPS: 0000
CPU: 0
EIP: 0010:[<c01be6df>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010082
eax: 00000000 ebx: 00000000 ecx: 00000000 edx: c1467a10
esi: 00000001 edi: c03022c0 ebp: c0302280 esp: cf30dd54
ds: 0018 es: 0018 ss: 0018
Process mount (pid: 131, stackpage=cf30d000)
Stack: c03022c0 c01be764 c03022c0 00000000 c1467a10 c1467a50 00000001 c03022c0
c0302280 00000003 c1467a00 00000000 00000000 cf30dd9c 00000000 00000001
c027fc20 20000000 00003332 cf30ddb4 00000000 00000000 c027fc20 30002280
Call Trace: [<c01b3764>] [<c027fc20>] [<c027fc20>] [<c01b2805>] [<c01bebdd>]
[<c01bfa27>] [<c01b40ef>] [<c01bf940>] [<c010a181>] [<c010a2fe>]
[<c0108fd0>] [<c0130f0b>] [<c0136fce>] [<c01346c6>] [<c01357d2>]
[<c01355fd>] [<c0135984>] [<c0108f27>]
Code: 83 78 0c 00 74 07 31 c0 eb 52 8d 76 00 8a 42 02 24 0f 25 ff

>>EIP; c01be6df <cdrom_log_sense+f/70> <=====
Trace; c01b3764 <execute_drive_cmd+104/150>
Trace; c027fc20 <msstab+630e/65ae>
Trace; c027fc20 <msstab+630e/65ae>
Trace; c01b2805 <ide_set_handler+55/60>
Trace; c01bebdd <cdrom_end_request+3d/80>
Trace; c01bfa27 <cdrom_pc_intr+e7/1d0>
Trace; c01b40ef <ide_intr+ff/160>
Trace; c01bf940 <cdrom_pc_intr+0/1d0>
Trace; c010a181 <handle_IRQ_event+31/60>
Trace; c010a2fe <do_IRQ+6e/c0>
Trace; c0108fd0 <ret_from_intr+0/20>
Trace; c0130f0b <__invalidate_buffers+3b/e0>
Trace; c0136fce <blkdev_put+4e/b0>
Trace; c01346c6 <sync_supers+26/b0>
Trace; c01357d2 <do_mount+182/2b0>
Trace; c01355fd <copy_mount_options+4d/a0>
Trace; c0135984 <sys_mount+84/d0>
Trace; c0108f27 <system_call+33/38>
Code; c01be6df <cdrom_log_sense+f/70>
00000000 <_EIP>:
Code; c01be6df <cdrom_log_sense+f/70> <=====
0: 83 78 0c 00 cmpl $0x0,0xc(%eax) <=====
Code; c01be6e3 <cdrom_log_sense+13/70>
4: 74 07 je d <_EIP+0xd> c01be6ec <cdrom_log_sense+1c/70>
Code; c01be6e5 <cdrom_log_sense+15/70>
6: 31 c0 xorl %eax,%eax
Code; c01be6e7 <cdrom_log_sense+17/70>
8: eb 52 jmp 5c <_EIP+0x5c> c01be73b <cdrom_log_sense+6b/70>
Code; c01be6e9 <cdrom_log_sense+19/70>
a: 8d 76 00 leal 0x0(%esi),%esi
Code; c01be6ec <cdrom_log_sense+1c/70>
d: 8a 42 02 movb 0x2(%edx),%al
Code; c01be6ef <cdrom_log_sense+1f/70>
10: 24 0f andb $0xf,%al
Code; c01be6f1 <cdrom_log_sense+21/70>
12: 25 ff 00 00 00 andl $0xff,%eax

Kernel panic: Aiee, Killing interrupt handler

45 warnings issued. Results may not be reliable.
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