Subject: Re: Single-user reached on multiprocessor Alpha kernel
To: None <>
From: Lennart Augustsson <>
List: tech-smp
Date: 11/20/2000 23:56:02
Great news!  (Now I just wish I had a multiprocessor alpha. :)

    -- Lennart

Jason R Thorpe wrote:

> Thanks to Bill Sommerfeld who found a fatal bug in my CPU spinup
> trampoline, we have gotten to single-user mode on a multiprocessor
> Alpha running a multiprocessor kernel which runs both kernel and
> user code on the secondary CPUs.
> Now, the machine hung when we tried to do anything interesting (like
> "fsck" :-), but once again, Bill came to the rescue and found the
> deadlock while I was on my way to work.  I've committed a fix for
> the deadlock, and will test it tonight when I get home.  It's likely
> we'll have multi-user tonight.
> --
>         -- Jason R. Thorpe <>