Date: Mon, 19 Jun 2000 00:37:39 +0200 From: Wilko Bulte <wkb@chello.nl> To: takawata@shidahara1.planet.sci.kobe-u.ac.jp Cc: wc.bulte@chello.nl, hackers@freebsd.org Subject: Re: SM bus on VIA KX133 chipset? Message-ID: <20000619003739.A50433@freebie.wbnet> In-Reply-To: <200006181629.BAA14195@libr.scitec.kobe-u.ac.jp>; from takawata@shidahara1.planet.sci.kobe-u.ac.jp on Mon, Jun 19, 2000 at 01:29:48AM %2B0900 References: <20000618140122.A73008@freebie.wbnet> <200006181629.BAA14195@libr.scitec.kobe-u.ac.jp>
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On Mon, Jun 19, 2000 at 01:29:48AM +0900, takawata@shidahara1.planet.sci.kobe-u.ac.jp wrote: Watanabe-san, thank you for your reply. > In message <20000618140122.A73008@freebie.wbnet>, Wilko Bulte wrote: > >On Sun, Jun 18, 2000 at 10:49:08AM +0200, Wilko Bulte wrote: > >> Since yesterday I finally have my Abit KA7 Athlon board online (I *hate* > >> backordered CPUs..). It works like a charm, but I'd like to see if wmhm > >> (hardware monitoring) can be made to work. Sofar starting wmhm gives me: > 1.There is no SMBus support for Athron Chipset,and SMBus that connected to > mother board cannot be controled with Bt8X8 I2C Bus,that is connected to > TV tuner,etc. Would it be difficult to add support for the VIA 82C686 chip? That is what controls the SM bus on this board (Abit KA7). Interestingly (maybe) is that there are 2 additional header connectors for SM bus connection. I have no clue what hardware uses this. > > data=0xc94efd78 "\003") at smbus_if.c:37 > >#14 0xc01452ed in smbus_request_bus (bus=0xc0bdcb00, dev=0xc0bdca80, how=3) > > at ../../dev/smbus/smbconf.c:136 > > 2. I think it is bktr driver's bug related to I2C interface. > bktr driver has two way to access I2C Bus:one is I2C bit bang interface, > another is controller access that issues I2C bus request. And it seems > a bug of I2C Bit Bang interface. Right... Whatever is the case a user program causing a kernel crash is a bad thing. thanks, -- Wilko Bulte http://www.freebsd.org "Do, or do not. There is no try" wilko@freebsd.org http://www.nlfug.nl Yoda - The Empire Strikes Back To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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