Date: Mon, 6 Feb 2006 21:36:42 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: freebsd-current@freebsd.org, Watanabe Kazuhiro <CQG00620@nifty.ne.jp> Subject: Re: Cannot boot the 7-current's GENERIC kernel on some old PCs (Pentium/P54C, DX4ODP) Message-ID: <20060206213642.1ef7a777@Magellan.Leidinger.net> In-Reply-To: <20060206125511.957BC1EF46@mail.asahi-net.or.jp> References: <20060206125511.957BC1EF46@mail.asahi-net.or.jp>
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Am Mon, 06 Feb 2006 21:55:21 +0900 schrieb Watanabe Kazuhiro <CQG00620@nifty.ne.jp>: > Hi, all. > > I have some old PCs which CPU is Intel Pentium/P54C and DX4ODP. > They cannot boot the recent 7-current's GENERIC kernel. > > * NEC PC-9821Xa9 (CPU: Pentium/P54C, Memory: 64MB, pc98) > * NEC PC-9821As2 (CPU: DX4ODP, Memory: 42MB, pc98) > * Fujitsu FMV-575D4 (CPU: Pentium/P54C, Memory: 128MB, i386) > > They can boot 6.0-RELEASE, but cannot boot 7-current (CVSup'ed with > date=2006.01.26.00.00.00). [...] > But when I add a "options PQ_NOOPT" configulation option to the > GENERIC kernel configulation file and recompile it, this kernel is > able to boot on these PCs. > I think this is caused by the CPU cache detection functions in > sys/i386/i386/identcpu.c (but I have no idea to solve the problem). > These ware comitted at the end of December 2005. From src/UPDATING: This is strange, since it is supposed to fall back to default values if it can't detect a cache size. And the cache size detection is protected like every other use of the CPU features detection code. Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7 WL http://www.amazon.de/exec/obidos/registry/1FZ4DTHQE9PQ8/ref=wl_em_to/
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