From owner-freebsd-qa Fri Mar 30 20:50:45 2001 Delivered-To: freebsd-qa@freebsd.org Received: from harmony.village.org (rover.bsdimp.com [204.144.255.66]) by hub.freebsd.org (Postfix) with ESMTP id F393337B718; Fri, 30 Mar 2001 20:50:41 -0800 (PST) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (localhost.village.org [127.0.0.1]) by harmony.village.org (8.11.1/8.11.1) with ESMTP id f2V4ofO08270; Fri, 30 Mar 2001 21:50:41 -0700 (MST) (envelope-from imp@harmony.village.org) Message-Id: <200103310450.f2V4ofO08270@harmony.village.org> To: John Baldwin Subject: Re: followup to problems with 4.3-RC1 for laptops Cc: qa@FreeBSD.ORG, mobile@FreeBSD.ORG, John Reynolds , Mike Smith In-reply-to: Your message of "Fri, 30 Mar 2001 15:01:16 PST." References: Date: Fri, 30 Mar 2001 21:49:26 -0700 From: Warner Losh Sender: owner-freebsd-qa@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message John Baldwin writes: : That is easy enough to work around, just have the cardbus code mask out : INTR_FAST in its bus_setup_intr and bus_teardown_intr and it will work fine. : This will hurt sio(4) performance some however, but if fast interrupts are a : problem for cardbus you can always turn them off. The problem isn't FAST interrupts with cardbus. The problem is that fast interrupts can't be shared. I don't think sio does anything that requires a fast interrupt, except for the latency issues for the 16550 uarts. They can't tolerate the latency we have in non-fast interrupts in current :-(. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-qa" in the body of the message