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SubjectRe: 2.4.22-pre3 and reiserfs boot problem
On Wed, 9 Jul 2003 17:48:37 +0400
Oleg Drokin <green@namesys.com> wrote:

> Hello!
>
> On Wed, Jul 09, 2003 at 09:36:04AM -0400, Chris Mason wrote:
> > > > Is reiserfs on your root drive? If not can you please boot into single
> > > > user mode, enable sysrq, try the mount again and get the decoded output
> > > > from sysrq-p and sysrq-t if it hangs.
> > > I tried to produce some useful output but failed. Additionals I found:
> > > - pre3-ac1 has the same problem
> > > - the box _hangs_ in fact, no sysrq is working.
> > > (you need hw-reset to revive the box)
>
> This complete hang is _very_ suspicious. Usually you cannot achieve such
> results without touching hardware.

Well, I did a few more tries and it looks like this:
- enter mount command
- short blinking on the RAID disks
- about 1/2 second later box hangs

> > Step one is to figure out if the problem is reiserfs or 3ware. Instead
> > of mounting the filesystem, run debugreiserfs -d /dev/xxxx > /dev/null
> > and see if you still hang.
> > This will read the FS metadata and should generate enough io to trigger
> > the hang if it is a 3ware problem.

Ok, I tried this. debugreiserfs runs without any problems. Disks show quite an
activity, the whole thing lasts 1-2 minutes.

mount afterwards shows the same hang.

> Or if this one suceeds, then may be reiserfsck --check /dev/xxxx to get
> journal replayed. This is in case access pattern matters.

I can try that, too. What do you expect to see?

Regards,
Stephan
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