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
}
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
