9.2-PRERELEASE #0 r254557 amd64: core dump on shutdown

[John Baldwin]

On Tuesday, September 10, 2013 10:50:55 am Marko Cupać wrote:
> My 9.2-PRERELEASE #0 r254557 amd64 just dumped core on shutdown. I
> updated src to Last Changed Rev: 255395 two days ago but did not get
> to rebuild world&kernel. Also I did not rebuild any ports since.
> Virtualbox was not running.
> 
> pacija at kaa:/var/crash % uname -a
> FreeBSD kaa.mimar.rs 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #0 r254557: Sun 
Aug 25 22:44:52 CEST 2013     pacija at kaa.mimar.rs:/usr/obj/usr/src/sys/KAAGEN  
amd64
> 
> pacija at kaa:/var/crash % sudo cat core.txt.2 
> kaa.mimar.rs dumped core - see /var/crash/vmcore.2
> 
> Tue Sep 10 16:41:45 CEST 2013
> 
> FreeBSD kaa.mimar.rs 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #0 r254557: Sun 
Aug 25 22:44:52 CEST 2013     pacija at kaa.mimar.rs:/usr/obj/usr/src/sys/KAAGEN  
amd64
> 
> panic: page fault

Is this reproducible?

> #6  0xffffffff80cdc843 in calltrap ()
>     at /usr/src/sys/amd64/amd64/exception.S:232
> #7  0xffffffff80b71085 in swapoff_one (sp=0xfffffe0006296600, 
>     cred=0xfffffe00037a0e00) at /usr/src/sys/vm/swap_pager.c:1753

Relevant line is:

1753 	for (swap = swhash[i]; swap != NULL; swap = swap->swb_hnext) {

-- 
John Baldwin