Re: 2.1.112: page fault from irq handler

Jes Sorensen (Jes.Sorensen@cern.ch)
07 Aug 1998 17:59:21 +0200


>>>>> "Jean" == Jean Wolter <jw5@os.inf.tu-dresden.de> writes:

Jean> Hello, yesterday our server machine crashed because of a 'page
Jean> fault from irq handler'. The kernel wrote a rather strange oops
Jean> message to the console and "panic-ed", because the page fault
Jean> happened in the context of the idle process. I have copied the
Jean> oops message to a piece of paper and here it is:

I just had one of those today as well, though it was a page fault 02
from interrupt, ie. a kernel write not read.

Jean> The kernel is a stock 2.1.112 (with the lock_kernel patch
Jean> applied). The machine is a AMI Goliath equipped with 4 PPro and
Jean> 256MB memory. /proc/interrupts reports: 3: IO-APIC-edge NE2000
Jean> 7: IO-APIC-edge Digital DS21140 Tulip 9: IO-APIC-edge ncr53c8xx
Jean> 10: IO-APIC-edge ncr53c8xx

The box is a 440BX with 2 400MHz p2's. My kernel is a 2.1.114-vger and
I also have a 53c8xx in the box (53c896 to be precise) at the moment,
in fact it happend while running some serious reading data off the
network writing to disk.

Jes

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