Date: Fri, 30 May 2008 13:49:24 +0200 From: Wilko Bulte <wb@freebie.xs4all.nl> To: freebsd-stable@freebsd.org, gerrit@pmp.uni-hannover.de Subject: Re: broken re(4) Message-ID: <20080530114924.GB52107@freebie.xs4all.nl> In-Reply-To: <200805301144.m4UBihd2002204@lurza.secnetix.de> References: <20080529205558.d2b064bf.gerrit@pmp.uni-hannover.de> <200805301144.m4UBihd2002204@lurza.secnetix.de>
next in thread | previous in thread | raw e-mail | index | archive | help
Quoting Oliver Fromme, who wrote on Fri, May 30, 2008 at 01:44:43PM +0200 .. > Gerrit Kühn wrote: > > As Oliver already suggested, I will take out the controller and see what > > happens then. > > > > Talking about this controller: This is also the only board I am using with > > PCI cards (and thus with a PCI riser) at all. I remember vaguely that I > > had a few problems getting the controller to work in the riser card when > > it put the system together. The riser has two ports, and the controller > > would only work in the upper one afaicr. > > That rings a bell ... > > I remember reports of riser cards that apparently changed > the timing on the PCI bus so they were only marginally > compliant with the spec, or maybe not even that anymore. > > If you try to remove the controller, please also remove > the riser card. It could well be that it's causing > problems, especially if it's on the same PCI bus as the > onboard re(4) interfaces. > > There are various kinds of riser cards (passive, active, > with fixed IRQs, or with jumpers, and so on). For a > related discussion see this one, for example: > http://lkml.org/lkml/2007/6/24/39 > > Typing "pci riser card jumper" in Google will give you > many more pages with interesting (or frightening) stuff > to read. Well, if you know how the PCI bus electrically works this kind of problem is hardly a surprise ;-) -- Wilko Bulte wilko@FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080530114924.GB52107>