Date: Tue, 5 Aug 2014 20:49:49 -0700 From: John Baldwin <jhb@FreeBSD.org> To: Michael Butler <imb@protected-networks.net> Cc: royger@FreeBSD.org, current@freebsd.org Subject: Re: panic: aatpic_assign_cpu: bad cookie [Was: Build machine OK; laptop panics @r269515] Message-ID: <8B832384-C1CC-4622-BA67-7447ECE317C9@FreeBSD.org> In-Reply-To: <53E14CD1.20308@protected-networks.net> References: <20140804194759.GT1228@albert.catwhisker.org> <20140805142914.GJ1228@albert.catwhisker.org> <C248C4AE-65AB-406A-A523-F7D7FAA8FBBE@FreeBSD.org> <53E1450D.5090708@protected-networks.net> <53E14CD1.20308@protected-networks.net>
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On Aug 5, 2014, at 2:29 PM, Michael Butler <imb@protected-networks.net> = wrote: > On 08/05/14 16:56, Michael Butler wrote: >> On 08/05/14 16:02, John Baldwin wrote: >>=20 >>> My guess is that the recent Xen changes tickled something. >>=20 >> I can confirm this on a kernel which is otherwise up to date .. >>=20 >> FreeBSD toshi.auburn.protected-networks.net 11.0-CURRENT FreeBSD >> 11.0-CURRENT #2 r269608M: Tue Aug 5 16:48:12 EDT 2014 >>=20 >> I backed out all of SVN r269507 through r269515. >>=20 >> Now working .. >=20 > [ .. snip .. ] >=20 >> Now to see if it's related to the other machine's disk woes (it's a >> single-core device), >=20 > And it fixes the inability to probe disks on my single-core machine = :-) It looks like the MADT code to probe the I/O APICs isn't working so it's = trying to fall back to using the ATPIC while using SMP (which doesn't = work). I know it's a pain on a laptop, but if it is at all possible to = capture either a verbose or non-verbose dmesg that would really help = narrow it down. Also, if anyone can try reverting just the MADT-related changes in the = recent Xen changes to see if you can narrow down which exact one = triggers the panic that would be really helpful. --=20 John Baldwin
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