Subject: Re: uvm_fault kernel: page fault trap while un-tar-ing a large file
To: Edgar Fu? <email@example.com>
From: Allen Briggs <firstname.lastname@example.org>
Date: 06/21/2007 16:26:11
On Thu, Jun 21, 2007 at 10:07:47PM +0200, Edgar Fu? wrote:
> >Usually a va like that points to a NULL pointer dereference.
> How on earth can trunc_page(any_garbage) equal 0x10?
> Am I missing something?
Nope. That was me. I somehow missed the trunc_page().
> >Did you manage to get a line number?
> Or do you mean this:
> gdb netbsd.gdb
> (gdb) info line *(dqget+0x118)
> Line 729 of "/var/tmp/src-4.0beta2/sys/ufs/ufs/ufs_quota.c"
> starts at address 0xffffffff8028e4df <dqget+255>
> and ends at 0xffffffff8028e4fb <dqget+283>.
That's what I meant.
I don't see anything obvious there. I wonder how many people are
running with quotas on ffsv2 on amd64.
Allen Briggs | http://www.ninthwonder.com/~briggs/ | email@example.com