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Date: Thu, 08 Mar 2001 08:49:47 -0800 (PST)
From: John Baldwin <jhb@FreeBSD.org>
To: Andrew Gallatin <gallatin@cs.duke.edu>
Subject: Re: cvs commit: src/sys/alpha/linux linux_machdep.c
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
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On 08-Mar-01 Andrew Gallatin wrote:
> 
> John Baldwin writes:
>  > > 
>  > > Perhaps this is DES's problem on x86 too? (I don't have INVARIANTS,
>  > > witness, etc turned on right now).
>  > 
>  > Most likely.  Hmmmm.  The only difference here is that the new process
> stays at
>  > SIDL until rfork returns and then gets put in SRUN later after we've
> dinked
>  > with the process. :(  We use the same trick with kthreads to ensure that
> they
>  > aren't executed before the fork handler is setup to keep the thread in the
>  > kernel.  Well, after wandering through all of the fork code, I can't see
> where
>  > this is going wrong, but I'll try to throw in some more debugging stuff to
> see
>  > what I can turn up.
> 
> Yes, I think this is DES's panic.  Now that I have DIAGNOSTIC and
> INVARIANTS, I'm crashing with the following panic:
> panic: msleep
> 
> syncing disks... 2 2 panic: runq_add: proc 0xfffffe00068257a0 (ex1) not SRUN
> Uptime: 23m48s
> 
> dumping to dev da0b, offset 2888928
> dump 125 
> 
> <hang>
> 
> So, I don't have a stack trace...

Funky.  I'll work on this when I get into the office.  (Just got out of the
shower. :)

> Drew

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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