On Fri, 13 Dec 2002, Kevin Oberman wrote:
> For the past few days I have been trying to get RC1 running on my old
> laptop (IBM ThinkPad 600E). The installation worked pretty well, but
> the system crashes frequently when acpi is running.
> 
> I decided to get a dump to look at and added the following to my
> rc.conf:
> dumpdev="/dev/ad0s2b"
> dumpdir="/scratch"
> 
> ad0s2 IS my swap partition. I don't think the /scratch directory is
> relevant as I never get to the savecore.

ad0s2 needs to be as big as main memory or dumps may overwrite the next
partition.
 
> After I re-boot, the system boots just fine and soon I get the acpi
> crash. At that point I need to enter "continue" several times at the
> db> prompt before the system finally dumps.

type "panic" instead.  "cont" may obscure the true source of the crash.

> When I try to reboot, the system starts to boot normally until it
> tries to mount the root file system. IT then reports that it can't
> mount the system and asks for the manual entry of the root fs.
> 
> I tried booting the fixit disk and looking at the disk. fsck_ffs
> reports that the super block is bad and that values disagree with
> those in the first alternate. Continuing produces many, many errors.

How does this work for you?
fsck_ffs -b 32 /

Also, try mounting the fs read only if you just need to read files off it.

-Nate


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