Date: Thu, 12 Nov 2009 15:36:42 +0200 From: Andriy Gapon <avg@icyb.net.ua> To: "S.N.Grigoriev" <serguey-grigoriev@yandex.ru> Cc: freebsd-current@freebsd.org, Mark Atkinson <atkin901@yahoo.com> Subject: Re: 8.0RC2 amd64 - kernel panic running make buildworld Message-ID: <4AFC0F6A.3000501@icyb.net.ua> In-Reply-To: <941257966918@webmail42.yandex.ru> References: <1031257439203@webmail57.yandex.ru> <20091105184925.16b55c43@ernst.jennejohn.org> <31221257446063@webmail71.yandex.ru> <20091106101943.5a763f43@ernst.jennejohn.org> <41361257585651@webmail39.yandex.ru> <20091107115256.3df62bc3@ernst.jennejohn.org> <1257618758.1511.14.camel@RabbitsDen> <6511257846119@webmail85.yandex.ru> <20091110105856.1270038e@ernst.jennejohn.org> <1257864452.46072.25.camel@RabbitsDen> <20091110162205.48abcffe@ernst.jennejohn.org> <4AF99D53.9030005@icyb.net.ua> <hdc73v$4rt$1@ger.gmane.org> <941257966918@webmail42.yandex.ru>
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on 11/11/2009 21:15 S.N.Grigoriev said the following: > > MCA: CPU3 UNCOR PCC OVER DTLIB L1 error > MCA: Address 0x8015fb000 > > > Fatal trap 28: machine check trap while in user mode > > Fatal trap 28: machine check trap while in user mode > cpuid = 3, apic id = 03 > ..... etc. > > > I've typed 'panic' at the 'db>' prompt but got no crash dump. > Tell me please what can I do for further problem investigation. Serguey, are you sure that setting vm.pmap.pg_ps_enabled=0 doesn't help you? I know that already asked you this once. But, could you please try again with vm.pmap.pg_ps_enabled=0 and hw.mca.enabled=1 and see what kind of behavior you get? I am curious what would happen, would it be the same kind of machine check condition. -- Andriy Gapon
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