From owner-freebsd-multimedia@FreeBSD.ORG Mon May 20 20:50:01 2013 Return-Path: Delivered-To: freebsd-multimedia@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 637BECF4 for ; Mon, 20 May 2013 20:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 5554F2D4 for ; Mon, 20 May 2013 20:50:01 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r4KKo1pO009479 for ; Mon, 20 May 2013 20:50:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r4KKo1h4009478; Mon, 20 May 2013 20:50:01 GMT (envelope-from gnats) Date: Mon, 20 May 2013 20:50:01 GMT Message-Id: <201305202050.r4KKo1h4009478@freefall.freebsd.org> To: freebsd-multimedia@FreeBSD.org Cc: From: John Baldwin Subject: Re: amd64/178671: snd_hda stops working as soon as X starts X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: John Baldwin List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 May 2013 20:50:01 -0000 The following reply was made to PR kern/178671; it has been noted by GNATS. From: John Baldwin To: freebsd-amd64@freebsd.org, Anton Shterenlikht Cc: FreeBSD-gnats-submit@freebsd.org Subject: Re: amd64/178671: snd_hda stops working as soon as X starts Date: Mon, 20 May 2013 09:46:51 -0400 On Wednesday, May 15, 2013 3:35:01 pm Anton Shterenlikht wrote: > > >Number: 178671 > >Category: amd64 > >Synopsis: snd_hda stops working as soon as X starts > >Confidential: no > >Severity: non-critical > >Priority: low > >Responsible: freebsd-amd64 > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Wed May 15 19:40:02 UTC 2013 > >Closed-Date: > >Last-Modified: > >Originator: Anton Shterenlikht > >Release: FreeBSD 10.0-CURRENT amd64 > >Organization: > University of Bristol > >Environment: > System: FreeBSD mech-aslap239.men.bris.ac.uk 10.0-CURRENT FreeBSD 10.0- CURRENT #33 r250633: Tue May 14 20:11:05 BST 2013 root@mech- aslap239.men.bris.ac.uk:/usr/obj/usr/src/sys/BUZI amd64 > > > > >Description: > > This is HP Compaq 6715s laptop. > The sound card is: > > hdac0@pci0:0:20:2: class=0x040300 card=0x30c2103c chip=0x43831002 rev=0x00 hdr=0x00 > vendor = 'Advanced Micro Devices [AMD] nee ATI' > device = 'SBx00 Azalia (Intel HDA)' > class = multimedia > subclass = HDA > > I have in the kernel: > > device sound # Generic sound driver (required) > device snd_hda # Intel High Definition Audio > > In dmesg: > > hdac0: mem 0xc0000000-0xc0003fff irq 16 at device 20.2 on pci0 > > Before X starts I can get sound via /dev/dsp, > or play CDs with > dd if=/dev/cd0 of=/dev/dspcd bs=2352 > > HOwever, as soon I start X, e.g. with xdm, > or simply "X -config /root/xorg.conf.new -retro" > I cannot get any sound anymore until a reboot. > > On the console I see lots of messages: > > hdac0: Unexpected unsolicited response from address 0: 00000040 > hdac0: Unexpected unsolicited response from address 0: 00400104 > hdac0: Unexpected unsolicited response from address 0: 00000001 > hdac0: Unexpected unsolicited response from address 0: 0000000f > hdac0: Unexpected unsolicited response from address 0: 410710f0 > hdac0: Unexpected unsolicited response from address 0: 00000010 > hdac0: Unexpected unsolicited response from address 0: 00000040 > hdac0: Unexpected unsolicited response from address 0: 00400083 > hdac0: Unexpected unsolicited response from address 0: 00000000 > hdac0: Unexpected unsolicited response from address 0: 04a12020 > hdac0: Unexpected unsolicited response from address 0: 00001727 > hdac0: Unexpected unsolicited response from address 0: 00000020 > hdac0: Unexpected unsolicited response from address 0: 00400187 > hdac0: Unexpected unsolicited response from address 0: 00000002 > hdac0: Unexpected unsolicited response from address 0: 00000e03 > hdac0: Unexpected unsolicited response from address 0: 0181302e > hdac0: Unexpected unsolicited response from address 0: 00001737 > hdac0: Unexpected unsolicited response from address 0: 00000020 > hdac0: Unexpected unsolicited response from address 0: 00400301 > hdac0: Unexpected unsolicited response from address 0: 00000001 > hdac0: Unexpected unsolicited response from address 0: 00000002 > hdac0: Unexpected unsolicited response from address 0: 4145f0f0 > hdac0: Unexpected unsolicited response from address 0: 00000010 > hdac0: Unexpected unsolicited response from address 0: 00000040 This sounds like the display driver is DMA'ing to the wrong place or writing to the wrong registers. Can you check the output of pciconf -lcb to make sure there are no collisions between BARs? Also, which GPU hardware/driver is in your laptop? -- John Baldwin