Date: Sun, 13 Jun 2010 22:29:02 +0200 From: Andreas Tobler <andreast-list@fgznet.ch> To: Marius Strobl <marius@alchemy.franken.de> Cc: freebsd-sparc64@freebsd.org Subject: Re: U60 doesn't boot anymore with -CURRENT Message-ID: <4C153F8E.1010106@fgznet.ch> In-Reply-To: <20100613201836.GC68288@alchemy.franken.de> References: <4C14ED7C.2030809@fgznet.ch> <20100613191518.GA95797@alchemy.franken.de> <4C1530F1.6070207@fgznet.ch> <20100613201836.GC68288@alchemy.franken.de>
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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@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 ? I rebuild the kernel now with my observation. It will take a while. Half an hour or so. Thanks, Andreas
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