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    Subjectac17 "kernel BUG at slab.c:1244!"
    Date
    The first occurrence of this I didn't even notice until i checked my logs. 

    kernel BUG at slab.c:1244!
    invalid operand: 0000
    CPU: 0
    EIP: 0010:[<c0126850>]
    EFLAGS: 00010082
    eax: 0000001b ebx: c187f788 ecx: 00000001 edx: 00002765
    esi: d9a5f000 edi: d9a5f9aa ebp: 00012800 esp: d9fcbda4
    ds: 0018 es: 0018 ss: 0018
    Process kdeinit (pid: 993, stackpage=d9fcb000)
    Stack: c023d5c5 000004dc d9a5f000 00001000 d9a5f9aa 00000246 ca0fe000 00000282
    d9fcbf5c 000004c8 dfa43128 00000007 d9fca000 00000002 c01f47d7 0000087c
    00000007 d9dbef40 00000000 c01f3ed5 00000840 00000007 00000000 00000810
    Call Trace: [<c01f47d7>] [<c01f3ed5>] [<c0223ab7>] [<c01f1beb>] [<c01f1f23>]
    [<c01f1faa>] [<c012e4e1>] [<c0126d9c>] [<c013c988>] [<c012e651>]
    [<c0106ca7>]


    Code: 0f 0b 5d 8b 6b 10 58 81 e5 00 04 00 00 74 4b b8 a5 c2 0f 17

    >>EIP; c0126850 <kmalloc+140/1e0> <=====
    Trace; c01f47d7 <alloc_skb+d7/310>
    Trace; c01f3ed5 <sock_alloc_send_skb+85/f0>
    Trace; c0223ab7 <ip_rt_ioctl+3a67/5110>
    Trace; c01f1beb <sock_sendmsg+6b/90>
    Trace; c01f1f23 <sock_recvmsg+313/5b0>
    Trace; c01f1faa <sock_recvmsg+39a/5b0>
    Trace; c012e4e1 <default_llseek+501/9c0>
    Trace; c0126d9c <kfree+1ec/290>
    Trace; c013c988 <__pollwait+838/1040>
    Trace; c012e651 <default_llseek+671/9c0>
    Trace; c0106ca7 <__up_wakeup+10fb/23f4>
    Code; c0126850 <kmalloc+140/1e0>
    00000000 <_EIP>:
    Code; c0126850 <kmalloc+140/1e0> <=====
    0: 0f 0b ud2a <=====
    Code; c0126852 <kmalloc+142/1e0>
    2: 5d pop %ebp
    Code; c0126853 <kmalloc+143/1e0>
    3: 8b 6b 10 mov 0x10(%ebx),%ebp
    Code; c0126856 <kmalloc+146/1e0>
    6: 58 pop %eax
    Code; c0126857 <kmalloc+147/1e0>
    7: 81 e5 00 04 00 00 and $0x400,%ebp
    Code; c012685d <kmalloc+14d/1e0>
    d: 74 4b je 5a <_EIP+0x5a> c01268aa
    <kmalloc+19a/1e0>
    Code; c012685f <kmalloc+14f/1e0>
    f: b8 a5 c2 0f 17 mov $0x170fc2a5,%eax


    1 warning and 1 error issued. Results may not be reliable.




    This second one was immediately after rebooting, and hard locked at getty.

    kernel BUG at slab.c:1244!
    invalid operand: 0000
    CPU: 0
    EIP: 0010:[<c0126850>]
    EFLAGS: 00010082
    eax: 0000001b ebx: c187f788 ecx: 00000001 edx: 00002704
    esi: dfa5c000 edi: dfa5c9aa ebp: 00012800 esp: da801e2c
    ds: 0018 es: 0018 ss: 0018
    Process mingetty (pid: 811, stackpage=da801000)
    Stack: c023d5c5 000004dc dfa5c000 00001000 dfa5c9aa 00000246 00000007 00000001
    dfa5c000 c0230b4a c030a2e0 00000006 00000406 00000000 c01931dd 00000c3c
    00000007 00000406 c0193e48 c198df88 00000005 00000000 00000000 dfa5d000
    Call Trace: [<c0230b4a>] [<c01931dd>] [<c0193e48>] [<c0126d9c>] [<c019485e>]
    [<c012e932>] [<c010fd26>] [<c012eac6>] [<c012db40>] [<c012da69>]
    [<c0137c5a>]
    [<c012dd43>] [<c0106ca7>]

    Code: 0f 0b 5d 8b 6b 10 58 81 e5 00 04 00 00 74 4b b8 a5 c2 0f 17

    >>EIP; c0126850 <kmalloc+140/1e0> <=====
    Trace; c0230b4a <_mmx_memcpy+fa/260>
    Trace; c01931dd <parport_pc_unregister_port+a5d/b90>
    Trace; c0193e48 <tty_hung_up_p+588/1d30>
    Trace; c0126d9c <kfree+1ec/290>
    Trace; c019485e <tty_hung_up_p+f9e/1d30>
    Trace; c012e932 <default_llseek+952/9c0>
    Trace; c010fd26 <do_BUG+246/740>
    Trace; c012eac6 <unregister_chrdev+96/a0>
    Trace; c012db40 <dentry_open+c0/140>
    Trace; c012da69 <filp_open+49/60>
    Trace; c0137c5a <getname+5a/a0>
    Trace; c012dd43 <get_unused_fd+183/220>
    Trace; c0106ca7 <__up_wakeup+10fb/23f4>
    Code; c0126850 <kmalloc+140/1e0>
    00000000 <_EIP>:
    Code; c0126850 <kmalloc+140/1e0> <=====
    0: 0f 0b ud2a <=====
    Code; c0126852 <kmalloc+142/1e0>
    2: 5d pop %ebp
    Code; c0126853 <kmalloc+143/1e0>
    3: 8b 6b 10 mov 0x10(%ebx),%ebp
    Code; c0126856 <kmalloc+146/1e0>
    6: 58 pop %eax
    Code; c0126857 <kmalloc+147/1e0>
    7: 81 e5 00 04 00 00 and $0x400,%ebp
    Code; c012685d <kmalloc+14d/1e0>
    d: 74 4b je 5a <_EIP+0x5a> c01268aa
    <kmalloc+19a/1e0>
    Code; c012685f <kmalloc+14f/1e0>
    f: b8 a5 c2 0f 17 mov $0x170fc2a5,%eax


    1 warning and 1 error issued. Results may not be reliable.

    This kernel was built with gcc 2.96 on an Athlon 1.33Ghz.

    Hope this is usefull,

    -- Regards, Gavin Baker

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