page fault panic tracked down (selwakeuppri())

[Scott Long]

Stefan Ehmann wrote:
> Some weeks ago I posted about a panic in 5.2-BETA.
> 
> After accessing a read-only ext2fs for some hours I got a "page fault"
> panic (or rarely a "getblk: size(7537385) > MAXBSIZE(65536)"). The
> backtrace was always somewhat different. You can read about it a bit
> more detailed here:
> 
> http://lists.freebsd.org/pipermail/freebsd-current/2003-November/015405.html
> 
> After lots of buildworld and buildkernel I finally was able to detect
> the commit that caused this panic.
> 
> Current from 2003.11.09.09.00.00 runs fine for > 10 hours. Current from
> 2003.11.09.09.20.00 crashed twice within less than 2 hours.
> 
> The only src/sys commit in that time is
> http://lists.freebsd.org/pipermail/cvs-src/2003-November/013515.html
> where selwakeup()s is replaced with selwakeuppri().
> 
> So the problem must be somewhere in selwakeuppri().
> 
> I hope this can be resolved now.
> 

Thanks for tracking this down!  Just for completeness, can you send
a verbose dmesg?

Thanks!

Scott