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    SubjectRe: Soft lockup (and reboot): IPMI
    On Mon, Aug 14, 2006 at 06:14:46PM +0200, Philipp Matthias Hahn wrote:
    > Hello!
    >
    > While playing with "openipmigui", the server just rebooted with the
    > following last message:
    >
    > BUG: soft lockup detected on CPU#0!
    > <c0103416> show_trace+0xd/0xf
    > <c01034e5> dump_stack+0x15/0x17
    > <c01382b0> softlockup_tick+0x9d/0xae
    > <c012190a> run_local_timers+0x12/0x14
    > <c0121748> update_process_times+0x3c/0x61
    > <c010e1d9> smp_apic_timer_interrupt+0x57/0x5f
    > <c010307c> apic_timer_interrupt+0x1c/0x24
    > <f8aa8783> ipmi_thread+0x43/0x71 [ipmi_si]
    > <c0129e62> kthread+0x78/0xa0
    > <c0100e31> kernel_thread_helper+0x5/0xb
    >
    > Any idea on what went wrong?

    What kernel please? If 2.6.17 or higher, this is new. If < 2.6.17,
    this is most likely due to the udelay(1) call in ipmi_thread() which
    in 2.6.17 was replaced with a schedule().

    Thanks,
    Matt

    --
    Matt Domsch
    Software Architect
    Dell Linux Solutions linux.dell.com & www.dell.com/linux
    Linux on Dell mailing lists @ http://lists.us.dell.com
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