Date: Thu, 08 Apr 2010 10:24:44 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Attilio Rao <attilio@freebsd.org> Cc: Akephalos <akephalos.akephalos@gmail.com>, freebsd-stable@freebsd.org, Ed Maste <emaste@sandvine.com> Subject: Re: CPU problems after 8.0-STABLE update Message-ID: <4BBD84BC.1090302@icyb.net.ua> In-Reply-To: <t2x3bbf2fe11004080022o5b89716cw70aa1808c6f1d607@mail.gmail.com> References: <q2v1468a0871004032332kd654e4c6s8fbb72ed16f73f0@mail.gmail.com> <v2m3bbf2fe11004040928y3751bca5qfb2870c1fc03ad71@mail.gmail.com> <h2i1468a0871004060450t59c81e76t947f8dbbe268b058@mail.gmail.com> <y2q3bbf2fe11004060551i94582c86j211bf2baf96e6f14@mail.gmail.com> <20100408042958.21d99cea.akephalos.akephalos@gmail.com> <4BBD81B6.4000109@icyb.net.ua> <t2x3bbf2fe11004080022o5b89716cw70aa1808c6f1d607@mail.gmail.com>
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on 08/04/2010 10:22 Attilio Rao said the following: > 2010/4/8 Andriy Gapon <avg@icyb.net.ua>: >> on 08/04/2010 04:29 Akephalos said the following: >>> Attilio, I csup-dated several hours ago and rebuilt and installed the kernel >>> (and world, in case it matters). >>> >>> %uname -a FreeBSD free.bsd369441.org 8.0-STABLE FreeBSD 8.0-STABLE #0: Thu >>> Apr 8 03:01:13 EEST 2010 >>> root@free.bsd369441.org:/usr/obj/usr/src/sys/GENERIC amd64 >>> >>> The problem persists without the machdep trick, I see only one processor in >>> top with 0.0% CPU load. >>> >> Interesting, I couldn't see anything obviously wrong about your hardware. >> Could you please post a verbose dmesg from a problematic boot somewhere? >> Also, output of 'vmstat -i' and Interrupt request lines portion of 'devinfo -u' >> output. >> Thanks! > > I watched again the patch I committed to STABLE_8 and I can't find > anything wrong with it. > Also the fact that the setting machdep.lapic_all=1 fixes this means > that this may be an atrtc working problem. > Maybe new atom machine expose a problem with it? This doesn't look like an atom machine :-) A mobile AMD rather. > I'm thinking if we might switch this into an opt-in rather than an > opt-out feature. What's strange is that there is no diagnostics from RTC. -- Andriy Gapon
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