U60 doesn't boot anymore with -CURRENT

[Marius Strobl]

On Sun, Jun 13, 2010 at 10:29:02PM +0200, Andreas Tobler wrote:
> On 13.06.10 22:18, Marius Strobl wrote:
> >On Sun, Jun 13, 2010 at 09:26:41PM +0200, Andreas Tobler wrote:
> >>On 13.06.10 21:15, Marius Strobl wrote:
> >>>On Sun, Jun 13, 2010 at 04:38:52PM +0200, Andreas Tobler wrote:
> >>>>Hi,
> >>>>
> >>>>my gecko testmachine refuses to boot with -CURRENT.
> >>>>
> >>>>Here the verbose part of the messages:
> >>>>
> >>>>---
> >>>>FreeBSD 9.0-CURRENT #0 r209123M: Sun Jun 13 14:07:28 CEST 2010
> >>>>
> >>>>     andreast at u60.andreas.nets:/usr/obj/export/devel/src/sys/GENERIC
> >>>>     sparc64
> >>>>Preloaded elf kernel "/boot/kernel/kernel" at 0xc0bbc000.
> >>>>real memory  = 1610612736 (1536 MB)
> >>>>avail memory = 1554571264 (1482 MB)
> >>>>machine: SUNW,Ultra-60
> >>>>cpu0: Sun Microsystems UltraSparc-II Processor (449.99 MHz CPU)
> >>>>   mask=0xa0 maxtl=5 maxwin=7
> >>>>initalizing intr_countp
> >>>>---
> >>>>
> >>>>And here it hangs.
> >>>>
> >>>>Any idea on hwat is going wrong?
> >>>>
> >>>
> >>>Nothing obvious as no sparc64 specific changes went in lately.
> >>>If you use a kernel built with options ALT_BREAK_TO_DEBUGGER,
> >>>can you break into the debugger via the alternate break sequence
> >>>on the serial console and get backtrace when it hangs? What is
> >>>the last known working revision? Can you bisect which revsion
> >>>triggers the problem?
> >>
> >>I tracked it down to r207537, especially mp_locore.S.
> >>If I use r207536 from mp_locore.S then my machine boots again.
> >>
> >
> >Ah, that revision fails to update one branch. Could you please
> >give the attached patch a try with current sources?
> 
> Well, there is/was no patch attached. I hope it goes in the direction I 
> discovered ?
> 

Oops, sorry; yes both patches are identical.

Marius