Subject: Re: 2.99.11 page fault trap / sp->vp == NULL
To: None <current-users@netbsd.org>
From: Christos Zoulas <christos@zoulas.com>
List: current-users
Date: 12/20/2004 21:01:32
In article <B590E09D-5296-11D9-A38E-0050E4AE8807@dtcc.edu>,
Chris Tribo <ctribo@dtcc.edu> wrote:
>I created a new directory on my lfs partition, went to go add a user 
>account and the system paniced. This can be triggered by just making a 
>directory and typing sync. The fs was just make with newfs_lfs with no 
>options and with -b 8192 -f 8192 as was once suggested to work around a 
>file coalescing problem.
>
>uvm_fault(0xc0a20cc0, 0xc5ed1000, 0, 2) -> 0xe
>kernel: page fault trap, code=0
>Stopped in pid 16.1 (ioflush) at netbsd:lfs_update_single+0x5da: movl
>%
>eax,0(%edx,%ecx,1)
>db{0}>

The current theory is that there is a problem with the latest changes
to make some int32_t's unsigned in ufs, that affect lfs. Please submit
a PR.

christos