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| author | Aristeu Rozanski <arozansk@redhat.com> | 2008-08-15 08:36:14 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 15:34:59 +0200 |
| commit | 15636668449d4135ac77a79715ba430a81aed16d (patch) | |
| tree | 4a74e37873c870fdf6300832ad7d154666f1043a /arch/x86/kernel | |
| parent | a06de63000b95e1ed1c6373a72376876c952608e (diff) | |
| download | linux-15636668449d4135ac77a79715ba430a81aed16d.tar.gz | |
x86, NMI: fix watchdog failure message
> it just won't work at boot time - the second logic unit will be stuck: > > Booting processor 1/2 APIC 0x1 > Initializing CPU#1 > Calibrating delay using timer specific routine.. 5586.12 BogoMIPS (lpj=2793063) > CPU: Trace cache: 12K uops, L1 D cache: 16K > CPU: L2 cache: 1024K > CPU: Physical Processor ID: 0 > CPU: Processor Core ID: 1 > CPU1: Thermal monitoring enabled (TM1) > Intel(R) Pentium(R) D CPU 2.80GHz stepping 04 > Brought up 2 CPUs > testing NMI watchdog ... <4>WARNING: CPU#1: NMI appears to be stuck (0->0)! while at it... - fix that newline Signed-off-by: Aristeu Rozanski <aris@redhat.com> Cc: jvillalo@redhat.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/nmi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index ac6d51222e7d..919473ad4a29 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -142,11 +142,15 @@ int __init check_nmi_watchdog(void) if (!per_cpu(wd_enabled, cpu)) continue; if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5) { + printk("\n"); printk(KERN_WARNING "WARNING: CPU#%d: NMI " "appears to be stuck (%d->%d)!\n", cpu, prev_nmi_count[cpu], get_nmi_count(cpu)); + printk(KERN_WARNING "Please report this to " + "linux-kernel@vger.kernel.org and attach " + "the output of 'dmesg' command.\n"); per_cpu(wd_enabled, cpu) = 0; atomic_dec(&nmi_active); } |