Big and ugly bug in 5.1-release

[Harald Schmalzbauer]

Doug White wrote:
> On Wed, 16 Jul 2003, Harald Schmalzbauer wrote:
>
> > I'm experimenting with 5.1-REL for some weeks and during that time I had
> > some mysterious hangs which I didn't take serious because I modified
> > /usr/src/sys/cam/scsi/scsi_da.c to support my CF-Card-Reader.
> > But now I saw exactly the same problem on my brand new (and cosidered by
> > hardware extremely different) fileserver.
> >
> > The machine freezes for about one minute and then reboots
> itself withut any
> > error message.
>
> Sounds like its panicking and making a crashdump. Do you have console
> access? Can you perhaps compile with 'options DDB' and get on the console
> when it dies?  If it worked right you should see the panic message and
> have a db> prompt.

I can do so on my workstation. More when my server is running again.

>
> > It happens when I do a "/stand/sysinstall" or a "sysctl -a"
>
> If this is an i386 machine, I'd begin to suspect bad memory.

Usually yes, but now exactly the same problem crashed my server so I'm quiet
sure it's no hardware problem.

-Harry

>
> --
> Doug White                    |  FreeBSD: The Power to Serve
> dwhite at gumbysoft.com          |  www.FreeBSD.org
>