RE: task queue: supervisor write, page not present

From: Doug White <dwhite_at_gumbysoft.com>
Date: Fri, 15 Apr 2005 19:56:50 -0700 (PDT)
On Fri, 15 Apr 2005, Daniel Eriksson wrote:

> Doug White wrote:
>
> > Can you get a crashdump and inspect the taskq with gdb? I'm assuming
> > there's a bogus entry thats getting tripped over.
>
> Dang, I was running low on space and removed the dump I had just a few hours
> ago since nobody had replied yet.

Sorry, we don't guarantee 4 hour response -- that costs money. :)

> Right now I'm back to running CURRENT as of 2005.03.11.12.00.00 (over a
> month old) because I know it works pretty well for me.
>
> I'm not very good with gdb. Are there any specific steps I should take to
> get the information needed to track this down (if I upgrade to latest
> CURRENT again)? Could this be related to me using a lot of r/w nullfs
> mounts?

I don't think so... nullfs has it sown problems, but not random memory
corruption.

Next time, could you make the crashdump and debug kernel available for
download?

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite_at_gumbysoft.com          |  www.FreeBSD.org
Received on Sat Apr 16 2005 - 00:56:50 UTC

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