Date: Thu, 01 Dec 2005 21:08:47 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: craig@tobuj.gank.org Cc: freebsd-hackers@freebsd.org Subject: Re: Weird PCI interrupt delivery problem Message-ID: <20051201.210847.88001018.imp@bsdimp.com> In-Reply-To: <20051202022014.GC15424@nowhere> References: <20051202013146.GA15424@nowhere> <20051201.191110.19781274.imp@bsdimp.com> <20051202022014.GC15424@nowhere>
next in thread | previous in thread | raw e-mail | index | archive | help
In message: <20051202022014.GC15424@nowhere>
Craig Boston <craig@tobuj.gank.org> writes:
: On Thu, Dec 01, 2005 at 07:11:10PM -0700, M. Warner Losh wrote:
: > In message: <20051202013146.GA15424@nowhere>
: > Craig Boston <craig@tobuj.gank.org> writes:
: > : I suspect that really old 16-bit PCMCIA cards with non-sharable
: > : interrupts wouldn't work, but does NEWCARD even support those anyway?
: >
: > Yes. There's no such thing as a PCMCIA card whose interrupts are
: > non-sharable. NEWCARD works great with them.
:
: Heh, guess I shouldn't believe what I read on pages hosted at
: microsoft.com :)
:
: http://www.microsoft.com/whdc/system/bus/cardbus/PCMCIA-IRQrouting.mspx
: (found via google search for "cardbus interrupt routing")
:
: It's probably talking about legacy device drivers that didn't know how
: to properly share IRQs.
You are right. It is talking about Legacy drivers that do the wrong
thing when they get an interrupt that's not for them.
Warner
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20051201.210847.88001018.imp>