Date: Tue, 09 Nov 2010 18:07:30 +0200 From: Andriy Gapon <avg@icyb.net.ua> To: Dan Allen <danallen46@airwired.net> Cc: Sergey Kandaurov <pluknet@gmail.com>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: Fatal trap 18 Message-ID: <4CD971C2.1010506@icyb.net.ua> In-Reply-To: <817835F0-91C1-4945-917A-9C582C4FDFF6@airwired.net> References: <68E248E0-8619-4859-BFFE-1B5F5ABBC51F@airwired.net> <AANLkTik0=x6h3YK0F_yrRJ_MGHp9pf8dVubbEwpmAa1y@mail.gmail.com> <4CD11FE9.8050105@freebsd.org> <5224E1F5-4567-45A8-A12C-868F7B45BC21@airwired.net> <4CD42127.5070902@icyb.net.ua> <F151FEC5-A9E3-408F-B29E-9ED18F45FE24@airwired.net> <4CD8DC87.3090207@icyb.net.ua> <24FCCE4A-C7C2-4EDE-9521-3D562391ACE4@airwired.net> <4CD9648A.2080606@icyb.net.ua> <CB71FE79-F1BE-4134-8536-70EA12A60F8C@airwired.net> <4CD967CB.5090201@icyb.net.ua> <817835F0-91C1-4945-917A-9C582C4FDFF6@airwired.net>
next in thread | previous in thread | raw e-mail | index | archive | help
on 09/11/2010 17:59 Dan Allen said the following: > > On 9 Nov 2010, at 8:24 AM, Andriy Gapon wrote: > >> on 09/11/2010 17:22 Dan Allen said the following: >>> >>> On 9 Nov 2010, at 8:11 AM, Andriy Gapon wrote: >>> >>>> /boot/loader.conf contents >>> >>> This might be the smoking gun! >>> >>> cat loader.conf: >>> >>> hint.apic.0.disabled="1" >> >> Yes, it is. >> So why do you have it and what happens if you remove it? > > Well, there is good news and bad news. > > The good news is that if I remove this hint the machine boots with 2 CPUs. > > The bad news is that I get lots of: > > CPU0: local APIC error 0x40 > CPU1: local APIC error 0x40 > > messages and the machine is very unresponsive. Every keystroke has a second or two of delay. It really is unusable. > > If memory serves I had to turn off APIC in order to see both CPUs at some time in the past. However, at some time in the past I had both CPUs and did not have the severe unresponsiveness that I get without this hint. > > So with APIC I get both CPUs but an unusable config. Without APIC I have one CPU but things are lively. > > What next? Let's see if anybody else can help you with that stuff. My jurisdiction (area of expertise) ends here. Verbose dmesg will be useful in any case. -- Andriy Gapon
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4CD971C2.1010506>