5.3-BETA4 hangs (ata2 dma problems)

[Ion-Mihai Tetcu]

On Sat, 18 Sep 2004 12:50:39 +0200
Andreas Klemm <andreas at freebsd.org> wrote:

> On Sat, Sep 18, 2004 at 12:37:05PM +0200, Andreas Klemm wrote:
> > What would be the best thing to hunt this down ?
> > 2nd PC on serial console and trying to troubleshoot there ?
> 
> am just recompiling kernel
> makeoptions     DEBUG=-g
> options         KDB
> options         DDB
> 
> # added this to rc.conf:
> dumpdev="/dev/ad0s3b"
> savecore_flags="-z"
> 
> Other things to do ? Or am I complete ?
> 
> Should I boot the system from serial console ?
> I have a laptop and could try to stress test several times.

Haven't seen this thing from a long time, except one night about 2 weeks
ago when my machine freeze during high load hard disk activity when one
of the disks decided to recalibrate itself.


-- 
IOnut
Unregistered ;) FreeBSD "user"
5.3-BETA4 - try `sysctl debug.witness_watch=0`
and prepare to fly :-)