[ale] Strange kernel message

[James P. Kinney III]

As others have pointed out, I think it's time to start building my new
webserver. 

On Fri, 2002-09-20 at 14:33, James P. Kinney III wrote:
> Ah Ha! RTFM! In the kernel docs is a file called nmi_watchdog.txt. NMI
> is Non Maskable Interupt. It is found on SMP machines, which I am using.
> 
> So it is used to help debug SMP kernels. But I am not running in KDB
> mode so it looks like a processor just hard locked but the other cpu is
> still running as there is no other message in the file.
> 
> I thought if one cpu locked, the entire kernel would crash. 
> 
> Or do I just have a flaky cpu that simulated an NMI event?
> 
> On Fri, 2002-09-20 at 13:59, James P. Kinney III wrote:
> > OK. I plugged through the kernel sources. traps.c generated the kernel
> > log entry.
> > 
> > static void unknown_nmi_error(unsigned char reason, struct pt_regs *
> > regs)
> > {
> > #ifdef CONFIG_MCA
> >         /* Might actually be able to figure out what the guilty party
> >         * is. */
> >         if( MCA_bus ) {
> >                 mca_handle_nmi();
> >                 return;
> >         }
> > #endif
> > #ifdef  CONFIG_KDB
> >         (void)kdb(KDB_REASON_NMI, reason, regs);
> > #endif  /* CONFIG_KDB */
> >         printk("Uhhuh. NMI received for unknown reason %02x.\n",
> > reason);
> >         printk("Dazed and confused, but trying to continue\n");
> >         printk("Do you have a strange power saving mode enabled?\n");
> > }
> > 
> > 
> > So, I'm not on an MCA bus system. Looking for what NMI is. KDB is not
> > enabled. 
> > 
> > On Fri, 2002-09-20 at 13:49, James P. Kinney III wrote:
> > > This was in my log today. I've NEVER seen anything like it.
> > > 
> > > 
> > > Sep 20 11:55:15 castle kernel: Uhhuh. NMI received for unknown reason
> > > 31.
> > > Sep 20 11:55:15 castle kernel: Dazed and confused, but trying to
> > > continue
> > > Sep 20 11:55:15 castle kernel: Do you have a strange power saving mode
> > > enabled?
> > > 
> > > 
> > > Unfortunately, I had stepped out for lunch and don't know if the power
> > > did blink or if my power supply is being weird.
> > > 
> > > -- 
> > > James P. Kinney III   \Changing the mobile computing world/
> > > President and CEO      \          one Linux user         /
> > > Local Net Solutions,LLC \           at a time.          /
> > > 770-493-8244             \.___________________________./
> > > 
> > > GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> > > <jkinney at localnetsolutions.com>
> > > Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7 
> > > 
> > > 
> > -- 
> > James P. Kinney III   \Changing the mobile computing world/
> > President and CEO      \          one Linux user         /
> > Local Net Solutions,LLC \           at a time.          /
> > 770-493-8244             \.___________________________./
> > 
> > GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> > <jkinney at localnetsolutions.com>
> > Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7 
> > 
> > 
> -- 
> James P. Kinney III   \Changing the mobile computing world/
> President and CEO      \          one Linux user         /
> Local Net Solutions,LLC \           at a time.          /
> 770-493-8244             \.___________________________./
> 
> GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> <jkinney at localnetsolutions.com>
> Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7 
> 
> 
-- 
James P. Kinney III   \Changing the mobile computing world/
President and CEO      \          one Linux user         /
Local Net Solutions,LLC \           at a time.          /
770-493-8244             \.___________________________./

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7 



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