From owner-freebsd-stable Fri Jul 21 18:55: 6 2000 Delivered-To: freebsd-stable@freebsd.org Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by hub.freebsd.org (Postfix) with ESMTP id B42EA37C180; Fri, 21 Jul 2000 18:54:58 -0700 (PDT) (envelope-from larse@ISI.EDU) Received: from isi.edu (hbo.isi.edu [128.9.160.75]) by boreas.isi.edu (8.9.3/8.9.3) with ESMTP id SAA13457; Fri, 21 Jul 2000 18:54:57 -0700 (PDT) Message-ID: <3978FEF1.9D053EA8@isi.edu> Date: Fri, 21 Jul 2000 18:54:57 -0700 From: Lars Eggert Organization: USC Information Sciences Institute X-Mailer: Mozilla 4.73 [en] (X11; I; FreeBSD 4.1-RC i386) X-Accept-Language: en, de MIME-Version: 1.0 To: freebsd-gnats-submit@FreeBSD.org, stable@freebsd.org Subject: Re: kern/17224: 4.0-20000214-CURRENT: pcm/csa sound - shared irq problem? Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG kern/17224 is still an issue with 4.1-RC, just verified it again: Disabling an Adaptec aic7899 Ultra160 SCSI adapter that shares IRQ 5 with an onboard Crystal Semiconductor CS4614/4622/4624/4280 Audio controller in the BIOS produces choppy sound. (If the Adaptec is left enabled, the sound output is fine.) (The dump below was taken when the Adaptec controller was enabled.) [hbo: ~] dmesg | grep 'pcm\|csa\|ahc' ahc0: port 0xec00-0xecff mem 0xfafff000-0xfaffffff irq 5 at device 10.0 on pci3 ahc0: aic7899 Wide Channel A, SCSI Id=7, 16/255 SCBs ahc1: port 0xe800-0xe8ff mem 0xfaffe000-0xfaffefff irq 11 at device 10.1 on pci3 ahc1: aic7899 Wide Channel B, SCSI Id=7, 16/255 SCBs csa0: mem 0xfae00000-0xfaefffff,0xfaffe000-0xfaffefff irq 5 at device 6.0 on pci2 pcm0: on csa0 -- Lars Eggert Information Sciences Institute http://www.isi.edu/larse/ University of Southern California To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message