Date: Wed, 17 Jun 2015 20:09:16 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Jonathan Anderson <jonathan@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: Boot hang: Sony VAIO Message-ID: <20150617170916.GC2080@kib.kiev.ua> In-Reply-To: <176EBAFD-0EEF-4D6B-9136-0006C994FDFF@FreeBSD.org> References: <F37E1325-76ED-4533-9146-26E14F63FC12@FreeBSD.org> <20150617143049.GZ2080@kib.kiev.ua> <633BF6AA-D201-4647-8F14-401911DABCBE@FreeBSD.org> <20150617165456.GB2080@kib.kiev.ua> <176EBAFD-0EEF-4D6B-9136-0006C994FDFF@FreeBSD.org>
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On Wed, Jun 17, 2015 at 02:32:16PM -0230, Jonathan Anderson wrote: > The system boots the 11-CURRENT kernel in "safe mode" (not sure if it???s the kern.mp.disabled or kern.eventtimer.periodic that???s causing that), after which `dmesg -a` produces the following output: > > https://people.freebsd.org/~jonathan/vaio-acpi-dmar.txt Try a loader tunable hw.x2apic_enable=0. Your UP boot was successfull with x2APIC mode enabled and set, but there are rumors that some SandyBridge BIOSes are buggy.help
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