On Sun, Apr 7, 2013 at 12:53 AM, Peter Butler <pbut...@pt.com> wrote:
> OK setting SUBARCH did the trick.  Thanks for that.  :-)

Can you do a git bisect between 3.8 and 3.9-X to find the evil doer?
You'll get the credit. :-)

> Here's the output from a crash using the associated build.  Too several
> boots to trigger the crash - probably some sort of a race condition.  Note
> that I am doing nothing other than booting up the UML to trigger the crash
> (that is, I am not doing anything at the command line).  If no crash
> occurs I simply do a graceful shutdown and then start it up again (in
> order to trigger a crash).  In this particular case the crash actually
> occurred during the shutdown and triggered this bug:
>
> BUG: scheduling while atomic: systemd-logind/485/0x00000001
>
> Here's the full output:
>
> bash $ ./linux ubd0=Fedora18-AMD64-root_fs rw mem=4096M con0=fd:0,fd:1

What it your host kernel?
At least here on my Laptop (v3.7.x x86_64) I cannot reproduce this.
(Also fc18 also guest, same cmd line...)
I fear it has to do something with the host side. Toralf saw related crash.

Thanks,
//richard

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