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Re: kern/44402: page fault in supervisor mode in netbsd:filt_piperead
The following reply was made to PR kern/44402; it has been noted by GNATS.
From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc:
Subject: Re: kern/44402: page fault in supervisor mode in netbsd:filt_piperead
Date: Mon, 17 Jan 2011 05:56:33 +0000
On Sun, Jan 16, 2011 at 06:30:01PM +0000, kristerw%netbsd.org@localhost wrote:
> Running the current ghc testsuite crash my kernel with
>
> uvm_fault(0xce3c6774, 0, 1) -> 0xe
> fatal page fault in supervisor mode
> trap type 6 code 0 eip c0638803 cs 8 eflags 10296 cr2 0 ilevel 0
> kernel: supervisor trap page fault, code=0
> Stopped in pid 924.2 (ghc-stage2) at netbsd:filt_piperead+0xf3: movl 0
(%ebx),%eax
Can you use gdb or objdump or whatever to figure out which line of
filt_piperead this is?
also, try setting ddb.commandonenter to "trace".
--
David A. Holland
dholland%netbsd.org@localhost
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