Subject: kern/9160: crash: uvm_fault, page fault trap
To: None <gnats-bugs@gnats.netbsd.org>
From: Martin J. Laubach <mjl@emsi.priv.at>
List: netbsd-bugs
Date: 01/10/2000 07:16:00
>Number:         9160
>Category:       kern
>Synopsis:       uvm_fault -- page fault trap
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people (Kernel Bug People)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 10 07:15:01 2000
>Last-Modified:
>Originator:     Martin J. Laubach
>Organization:
>Release:        1999-12-13
>Environment:
System: NetBSD cactus.emsi.priv.at 1.4P NetBSD 1.4P (CACTUS) #0: Wed Dec 15 14:54:10 CET 1999 mjl@asparagus:/home/temp/devel/cvs/src/sys/arch/i386/compile/CACTUS i386


>Description:
  From time to time (about every other week) this machine suffers
from sudden kernel panics, like this (paper copy):

uvm_fault ( 0xf0294b0, 0xf09ae000, 0, 3 ) -> 2
kernel: page fault trap, code=0

memcpy + 0x1a
aha_done + 0x45
aha_finish_ccbs + 0x13e
aha_intr + 0x74
Xintr11 + 0x70
-- interrupt --
uvm_map_lookup_entry + 0x35
uvm_fault + 0xe8
trap #6

  Generating a crash dump is not possible at this point.

>How-To-Repeat:
>Fix:
>Audit-Trail:
>Unformatted: