Date: Thu, 8 Apr 2010 09:22:01 +0200 From: Attilio Rao <attilio@freebsd.org> To: Andriy Gapon <avg@icyb.net.ua> 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: <t2x3bbf2fe11004080022o5b89716cw70aa1808c6f1d607@mail.gmail.com> In-Reply-To: <4BBD81B6.4000109@icyb.net.ua> 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>
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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 ke= rnel >> (and world, in case it matters). >> >> %uname -a FreeBSD free.bsd369441.org 8.0-STABLE FreeBSD 8.0-STABLE #0: T= hu >> Apr =C2=A08 03:01:13 EEST 2010 >> root@free.bsd369441.org:/usr/obj/usr/src/sys/GENERIC =C2=A0amd64 >> >> 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 'devin= fo -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=3D1 fixes this means that this may be an atrtc working problem. Maybe new atom machine expose a problem with it? I'm thinking if we might switch this into an opt-in rather than an opt-out feature. Attilio --=20 Peace can only be achieved by understanding - A. Einstein
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