Date: Sun, 13 Jun 2010 22:18:36 +0200 From: Marius Strobl <marius@alchemy.franken.de> To: Andreas Tobler <andreast-list@fgznet.ch> Cc: freebsd-sparc64@freebsd.org Subject: Re: U60 doesn't boot anymore with -CURRENT Message-ID: <20100613201836.GC68288@alchemy.franken.de> In-Reply-To: <4C1530F1.6070207@fgznet.ch> References: <4C14ED7C.2030809@fgznet.ch> <20100613191518.GA95797@alchemy.franken.de> <4C1530F1.6070207@fgznet.ch>
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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@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? Marius
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