Re: Recent 6.0_BETA crash

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Mar 07, 2012 at 05:47:18PM +0300, Aleksey Cheusov wrote:
> I few minutes ago I updated the kernel and modules on my 6.0_BETA
> to the latest netbsd-6 sources and enabled debugging kernel options.
> 
>    options        DEBUG           # expensive debugging checks/support
>    makeoptions    DEBUG="-g"      # compile full symbol table
> 
> Userlevel was not updated.
> After login in xdm the system crashed.
>     at /srv/src_netbsd_current/sys/arch/x86/x86/pmap.c:3326
> 
>     3326            KASSERT(uvm_page_locked_p(pg));
> 
> Stacktrace is below. Any clue?

It looks like the same problem as what makes the kernel occasionally panic
while running tests. It looks like a race condition causing memory corrution,
but this is hard to track down ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--