Re: Processes stuck in D state with autofs + smbfs

Mike Fedyk (mfedyk@matchmail.com)
Thu, 30 May 2002 12:56:36 -0700


On Thu, May 30, 2002 at 05:18:46PM -0200, Denis Vlasenko wrote:
> On 30 May 2002 10:36, Urban Widmark wrote:
> > > I also have this in my kernel log:
> > > May 26 06:33:16 fileserver kernel: Uhhuh. NMI received. Dazed and
> > > confused, but trying to continue May 26 06:33:16 fileserver kernel: You
> > > probably have a hardware problem with your RAM chips
> >
> > However, this error could (but I don't really know what the effects are of
> > this) potentially stop a process at some random point. If a process
> > crashes, for example an oops, while holding the semaphore that semaphore
> > will still be held and everyone trying to get in will stop in D state.
>
> AFAIK this message says CPU got a spurious NMI. It does not kill the task,
> kernel logs this message and returns from NMI interrupt handler.
>
> What does cat /proc/interrupts tell you?
>

What does this tell you?

CPU0 CPU1
0: 106126905 106523397 IO-APIC-edge timer
1: 1290 1261 IO-APIC-edge keyboard
2: 0 0 XT-PIC cascade
8: 2 1 IO-APIC-edge rtc
16: 135638480 135641259 IO-APIC-level eth0
30: 12 8 IO-APIC-level aic7xxx
31: 16837019 16835973 IO-APIC-level aic7xxx
NMI: 1 0
LOC: 212643560 212643582
ERR: 0
MIS: 0

> NMI may be truly spurious or a hardware failure indication. Give your box
> an overnight run of memtest86.

Yes, I planned to do that anyway, thanks.

Mike
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/