Big and ugly bug in 5.1-release

Harald Schmalzbauer h at
Wed Jul 16 04:27:11 PDT 2003

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.


> --
> Doug White                    |  FreeBSD: The Power to Serve
> dwhite at          |

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