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    SubjectRe: Soft lockup (and reboot): IPMI
    Matt Domsch wrote:

    > On Mon, Aug 14, 2006 at 06:14:46PM +0200, Philipp Matthias Hahn wrote:
    >
    >>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().

    Sorry for omitting that information, it's a plain 2.6.17.8 kernel.
    model name : Intel(R) Xeon(TM) CPU 2.66GHz

    ipmi message handler version 39.0
    IPMI Watchdog: driver initialized
    ipmi device interface
    IPMI System Interface driver.
    ipmi_si: Trying SMBIOS-specified KCS state machine at I/O address 0xca2,
    slave address 0x24, irq 0
    ipmi: Found new BMC (man_id: 0x002880, prod_id: 0x0000, dev_id: 0x00)
    IPMI KCS interface initialized

    BYtE
    Philipp
    --
    Dipl.-Inform. Philipp.Hahn@informatik.uni-oldenburg.de
    Abteilung Systemsoftware und verteilte Systeme, Fk. II
    Carl von Ossietzky Universitaet Oldenburg, 26111 Oldenburg, Germany
    http://www.svs.informatik.uni-oldenburg.de/contact/pmhahn/
    Telefon: +49 441 798-2866 Telefax: +49 441 798-2756
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