2.2.15 crash (often)

From: lpala (lpala@tiscalinet.it)
Date: Sat Jun 03 2000 - 09:00:56 EDT

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    i everyone,

    i get about every two days a kernel oops that cause a system crash...

    Here is the system:
    Linux 2.2.1[45] (with hamradio stuff)
    GLibc 2.1.3
    various ham's utils

    Ideas??

    Luca

    Here is the output of ksymoops:

    ksymoops 2.3.4 on i586 2.2.15. Options used
         -v /boot/kernel/vmlinux-2.2.15 (specified)
         -K (specified)
         -L (specified)
         -O (specified)
         -m /boot/kernel/System.map.2215 (specified)

    Error (pclose_local): read_nm_symbols pclose failed 0xffffffff
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    current->tss.cr3 = 00101000, %cr3 = 00101000
    *pde = 00000000
    Oops: 0002
    CPU: 0
    EIP: 0010:[<c01938bb>]
    Using defaults from ksymoops -t elf32-i386 -a i386
    EFLAGS: 00010082
    eax: 000000a4 ebx: 000000a4 ecx: 00000000 edx: 00000303
    esi: c01e7cb0 edi: c0dc4944 ebp: c0dc4944 esp: c01cbed8
    ds: 0018 es: 0018 ss: 0018
    Process swapper (pid: 0, process nr: 0, stackpage=c01cb000)
    Stack: 00000000 c01e82a0 00000082 00000246 00000007 00000007 c0194093 c01e7cb0
           00000010 c14111c0 20000001 00000007 c01cbf68 00000307 00000010 c0108a6e
           00000007 00000000 c01cbf68 c01d50eo 00000007 c14111c0 c01cbf60 c01087c6
    Call Trace: [<c0194093>] [<c0108a6e>] [<c01087c6>] [<c0116381>] [<c0108b90>] [<c0108808>] [<c010624d>] [<c010624d>]
           [<c0106000>] [<c0106270>] [<c01079d4>] [<c0106000>] [<c0106000>] [<c010607b>] [<c0106000>] [<c0100175>]
    Code: 8a 01 ee 8b 5f 5c 85 db 74 0b 4b 89 5f 5c 41 89 8f 80 00 00
    Error (pclose_local): Oops_decode pclose failed 0xffffffff

    >>EIP; c01938bb <scc_isr_dispatch+147/7d4> <=====
    Trace; c0194093 <scc_isr+14b/1b4>
    Trace; c0108a6e <handle_IRQ_event+36/6c>
    Trace; c01087c6 <do_8259A_IRQ+76/a0>
    Trace; c0116381 <do_bottom_half+45/64>
    Trace; c0108b90 <do_IRQ+24/40>
    Trace; c0108808 <common_interrupt+18/20>
    Trace; c010624d <cpu_idle+5d/6c>
    Trace; c010624d <cpu_idle+5d/6c>
    Trace; c0106000 <get_options+0/74>
    Trace; c0106270 <sys_idle+14/24>
    Trace; c01079d4 <system_call+34/38>
    Trace; c0106000 <get_options+0/74>
    Trace; c0106000 <get_options+0/74>
    Trace; c010607b <cpu_idle+7/18>
    Trace; c0106000 <get_options+0/74>
    Trace; c0100175 <L6+0/2>
    Code; c01938bb <scc_isr_dispatch+147/7d4>
    00000000 <_EIP>:
    Code; c01938bb <scc_isr_dispatch+147/7d4> <=====
       0: 8a 01 movb (%ecx),%al <=====
    Code; c01938bd <scc_isr_dispatch+149/7d4>
       2: ee outb %al,(%dx)
    Code; c01938be <scc_isr_dispatch+14a/7d4>
       3: 8b 5f 5c movl 0x5c(%edi),%ebx
    Code; c01938c1 <scc_isr_dispatch+14d/7d4>
       6: 85 db testl %ebx,%ebx
    Code; c01938c3 <scc_isr_dispatch+14f/7d4>
       8: 74 0b je 15 <_EIP+0x15> c01938d0 <scc_isr_dispatch+15c/7d4>
    Code; c01938c5 <scc_isr_dispatch+151/7d4>
       a: 4b decl %ebx
    Code; c01938c6 <scc_isr_dispatch+152/7d4>
       b: 89 5f 5c movl %ebx,0x5c(%edi)
    Code; c01938c9 <scc_isr_dispatch+155/7d4>
       e: 41 incl %ecx
    Code; c01938ca <scc_isr_dispatch+156/7d4>
       f: 89 8f 80 00 00 00 movl %ecx,0x80(%edi)

    2 errors issued. Results may not be reliable. 

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