Date: Mon, 30 Dec 1996 08:12:05 +0200 (IST) From: Nadav Eiron <nadav@cs.technion.ac.il> To: Wolfgang Helbig <wh@helbig.informatik.ba-stuttgart.de> Cc: freebsd-questions@freebsd.org Subject: Re: Re : FreeBSD gets stuck while copying installation files Message-ID: <Pine.SV4.3.91-heb-2.04.961230080948.3759A-100000@cs.technion.ac.il> In-Reply-To: <199612291647.RAA00181@helbig.informatik.ba-stuttgart.de>
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On Sun, 29 Dec 1996, Wolfgang Helbig wrote: > Hi, > > On Friday, 14 Jun 1996, Nadav Eiron wrote about a FreeBSD box > getting stuck while copying between two IDE-Channels. (i. e. CDROM > on wdc0 and /usr mounted on wdc1). I experienced the same difficulties. > It seems that any concurrent uses of both ide controllers leads to > a stopp of the system. This happens with GENERIC kernel 2.1.5, 2.2-Alpha > and -current (of yesterday). > And it happens with two disks or with disk and CDROM. All configurations > work just fine, (booting and probing the hardware gets to the expected > results), the problem starts when you start copying from CDROM on one > ide channel to the disk on the other channel during installation, or > when you copy from a disk on one channel to a disk on the other channel. > > Maybe the cause is the PCI-Dual-Ide-controller chip? > On my motherboard the CMD PCI0640B chip is working. > > If anyone has similar experiences I would like to get a note on the > mailing list. This is a well known bug (feature?) of the CMD640 chip. FreeBSD cannot (at least AFAIK) use both its channels. However, my previous posting you referred to was about a disk and a CD which are *both* on the primary channel causing the machine to lock up. > > Thank You > Wolfgang Helbig > Nadav
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