kernel BUG at kernel/timer.c:370!

From: Flavio Bruno Leitner (fbl_at_conectiva.com.br)
Date: 03/05/04

  • Next message: Andi Kleen: "Re: kernel 'simulator' and wave-form analysis tool?" 
    Date:	Fri, 5 Mar 2004 14:40:49 -0300
To: linux-kernel@vger.kernel.org

    Hello!

    My laptop is an Acer TravelMate 630 and somewhere between 2.6.2 and 2.6.3-rc2
    begins returning an oops right after boot.

    kernel BUG at kernel/timer.c:370!
    invalid operand: 0000 [#1]
    CPU: 0
    EIP: 0060:[<c0127177>] Not tainted
    EFLAGS: 00010006
    EIP is at cascade+0x44/0x4e
    eax: c03e4368 ebx: c03e02b0 ecx: fffce200 edx: c03e03b0
    esi: c03e0398 edi: c03dfa80 ebp: c0387f08 esp: c0387ef4
    ds: 007b es: 007b ss: 0068
    Process swapper (pid: 0, threadinfo=c0386000 task=c0306520)
    Stack: c03dfa80 cde229c4 00000000 c03df7a8 c0387f20 c0387f38 c0127732 c03dfa80
           c03e0288 00000022 c0387f34 c0387f20 c0387f20 c0308d64 00000001 c03df7a8
           0000000a c0387f54 c0123b7c c03df7a8 00000046 00000000 c037da00 c0308d64
    Call Trace:
      [<c0127732>] run_timer_softirq+0xec/0x16b
      [<c0123b7c>] do_softirq+0x98/0x9a
      [<c010d2ff>] do_IRQ+0xe4/0x11c
      [<c010b974>] common_interrupt+0x18/0x20
      [<d08c8257>] acpi_processor_idle+0xe9/0x1e5 [processor]
      [<c0105000>] _stext+0x0/0x2a
      [<c01090b7>] cpu_idle+0x2f/0x38
      [<c038c70a>] start_kernel+0x185/0x1c9
      [<c038c44a>] unknow_bootoption+0x0/0x108

    Code: 0f 0b 72 01 3b 05 2d c0 eb d4 55 89 e5 56 53 83 ec 04 0f bf

    Here is the function:
    static int cascade(tvec_base_t *base, tvec_t *tv, int index)
    {
            /* cascade all the timers from tv up one level */
            struct list_head *head, *curr;

            head = tv->vec + index;
            curr = head->next;
            /*
             * We are removing _all_ timers from the list, so we don't have to
             * detach them individually, just clear the list afterwards.
             */
            while (curr != head) {
                    struct timer_list *tmp;

                    tmp = list_entry(curr, struct timer_list, entry);
                    BUG_ON(tmp->base != base);
                    curr = curr->next;
                    internal_add_timer(base, tmp);
            }
            INIT_LIST_HEAD(head);

            return index;
    }

    Any ideas about this one?
    Thanks! 

    -- 
Flávio Bruno Leitner <fbl@conectiva.com.br>
[ E74B 0BD0 5E05 C385 239E  531C BC17 D670 7FF0 A9E0 ]
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