Date: Sat, 31 Dec 2011 12:02:59 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Dan Allen <danallen46@airwired.net> Cc: Garrett Cooper <yanegomi@gmail.com>, List FreeBSD-STABLE Mailing <freebsd-stable@freebsd.org>, Jeremy Chadwick <freebsd@jdc.parodius.com> Subject: Re: ACPI broke going from 8 to 9 Message-ID: <CAJ-Vmokowp1J-a_vOPa=2Osbb79x2d3Z6eZQtpm2BWP43vzRUA@mail.gmail.com> In-Reply-To: <F766F156-E1F5-46B2-B58E-0EA164772049@airwired.net> References: <1C1E4950-FEAF-48DB-9F38-2408245E16EF@airwired.net> <20111231175714.GA48840@icarus.home.lan> <F766F156-E1F5-46B2-B58E-0EA164772049@airwired.net>
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On 31 December 2011 11:41, Dan Allen <danallen46@airwired.net> wrote: > My Toshiba Satellite U205 used to work great with RELENG_7, but the boot = code of RELENG_8 will not recognize the 2nd core of my Core Duo (not Core 2= Duo) processor. =A0Nobody seems to care as few machines have Core Duo, or = few people use this era of Toshiba BIOS, or whatever. .. and if this is a problem, a boot -v from both releng_7 and releng_8 would be a good starting point. Surely detecting the CPU cores would be an easy thing to get right. Also, it may be a hyperthread CPU "thing" - I recall some changes in the releng_8 timeframe because of security vulnerabilities with classic hyperthreading and you have to do something to enable it again. Adrian
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