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    SubjectRe: 2.6.14-rc3-rt2
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    On Tue, 2005-10-04 at 23:41 +0530, Dinakar Guniguntala wrote:
    > On Tue, Oct 04, 2005 at 10:54:30AM -0700, Daniel Walker wrote:
    > > On Tue, 2005-10-04 at 23:28 +0530, Dinakar Guniguntala wrote:
    > >
    > > > Nope doesnt help. I booted with this code change and I get the
    > > > same message.
    > > >
    > > > I saw that the code change is in #ifdef CONFIG_HIGH_RES_TIMERS.
    > > > I have already disabled CONFIG_HIGH_RES_TIMERS as Thomas Gleixner
    > > > suggested
    > >
    > > Which code is #ifdef'd ?
    >
    > Your code was in function smp_apic_timer_ipi_interrupt (right?) that
    > is under CONFIG_HIGH_RES_TIMERS which was disabled.

    Yeah, I see what your saying now ..

    > >
    > > Is there any diversity in these messages , or is it always the same? Is
    > > the CPU# ever different?
    > >
    >
    > Sorry I should have put this up before.
    >
    >
    > BUG: auditd:3587, possible softlockup detected on CPU#2!
    > [<c0144448>] softlockup_detected+0x39/0x46 (8)
    > [<c0144526>] softlockup_tick+0xd1/0xd3 (20)
    > [<c01112c7>] smp_apic_timer_interrupt+0xc0/0xcc (24)
    > [<c010396c>] apic_timer_interrupt+0x1c/0x24 (24)
    > [<c0102e8a>] sysenter_past_esp+0x2f/0x75 (44)

    This patch should handle both cases . I would think if this doesn't
    silence it, then it's something else..

    Index: linux-2.6.13/arch/i386/kernel/apic.c
    ===================================================================
    --- linux-2.6.13.orig/arch/i386/kernel/apic.c
    +++ linux-2.6.13/arch/i386/kernel/apic.c
    @@ -1153,6 +1153,14 @@ fastcall notrace void smp_apic_timer_ipi
    #if 0
    profile_tick(CPU_PROFILING, regs);
    #endif
    + /*
    + * If the task is currently running in user mode, don't
    + * detect soft lockups. If CONFIG_DETECT_SOFTLOCKUP is not
    + * configured, this should be optimized out.
    + */
    + if (user_mode(regs))
    + touch_light_softlockup_watchdog();
    +
    update_process_times(user_mode_vm(regs));
    irq_exit();

    @@ -1247,6 +1255,14 @@ inline void smp_local_timer_interrupt(st
    per_cpu(prof_counter, cpu);
    }
    #ifdef CONFIG_SMP
    + /*
    + * If the task is currently running in user mode, don't
    + * detect soft lockups. If CONFIG_DETECT_SOFTLOCKUP is not
    + * configured, this should be optimized out.
    + */
    + if (user_mode(regs))
    + touch_light_softlockup_watchdog();
    +
    update_process_times(user_mode_vm(regs));
    #endif
    }

    -
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