svn commit: r284998 - in stable/10: cddl/contrib/opensolaris/cmd/lockstat sys/kern sys/sys

[Herbert J. Skuhra]

On Sun, Jul 19, 2015 at 07:03:32AM +0200, Herbert J. Skuhra wrote:
> On Wed, Jul 01, 2015 at 10:15:50AM +0000, Andriy Gapon wrote:
> > Author: avg
> > Date: Wed Jul  1 10:15:49 2015
> > New Revision: 284998
> > URL: https://svnweb.freebsd.org/changeset/base/284998
> > 
> > Log:
> >   MFC r284297: several lockstat improvements
> > 
> > Modified:
> >   stable/10/cddl/contrib/opensolaris/cmd/lockstat/lockstat.c
> >   stable/10/sys/kern/kern_mutex.c
> >   stable/10/sys/kern/kern_rwlock.c
> >   stable/10/sys/kern/kern_sx.c
> >   stable/10/sys/sys/lockstat.h
> > Directory Properties:
> >   stable/10/   (props changed)
> 
> Yesterday I tried to upgrade my Soekris Net6501-70 from 10.2-PRERELEASE
> (r284583) to 10.2-BETA2 (r285646). All kernels after this commit fail to
> boot:
> 
> SMP: AP CPU #1 Launched!
> 
> Fatal double fault:
> eip = 0xc08b2e0f
> esp = 0xe0febfec
> ebp = 0xe0fec008
> cpuid = 1; apic id = 01
> panic: double fault
> cpuid = 1
> KDB: stack backtrace:
> #0 0xc065ed62 at kdb_backtrace+0x52
> #1 0xc06204eb at vpanic+0x11b
> #2 0xc06203cb at panic+0x1b
> #3 0xc08a5bbb at dblfault_handler+0xab
> Uptime: 2s
> Automatic reboot in 15 seconds - press a key on the console to abort
> Rebooting...
> cpu_reset: Restarting BSP
> timeout stopping cpus
> cpu_reset_proxy: Stopped CPU 1
> 
> I am running i386 on my Soekris.

Sorry. There is already a PR for this issue: 201642!

-- 
Herbert