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Differneces between US-III and US-IIIcu
Hello,
I'm using NetBSD-current on two Blade-2000. Both run the same NetBSD
system (currently 7.99.1 built from sources).
First one contains two US-III/750 MHz and often panics with :
Sep 5 01:40:32 hilbert /netbsd: trap type 0x68: cpu 1, pc=41569284
npc=41569288 pstate=0x44820082<,IE>
Sep 5 01:40:32 hilbert /netbsd: Skipping crash dump on recursive panic
Sep 5 01:40:32 hilbert /netbsd: panic: +fast data access MMU miss
Sep 5 01:40:32 hilbert /netbsd: cpu1: Begin traceback...
Sep 5 01:40:32 hilbert /netbsd: cpu1: End traceback...
Sep 5 01:40:32 hilbert /netbsd: cpu0: shutting down
Sep 5 01:40:32 hilbert /netbsd: cpu1: rebooting
under low load average (2 for the last panic). Second one contains two
US-IIICu/900 MHz. If I swap CPU and replace US-III/750 MHz by
US-IIICu/900 MHz, the same hardware seems to be rock solid. I can build
system and pkgsrc in parallel without any trouble, even with a load
average greater than 10 during several days.
I don't know if this difference can help to debug kernel, but I suppose
there are some differences between Cu CPU and non-Cu CPU that is not
correctly handled by kernel.
Regards,
JKB
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