From owner-freebsd-current@FreeBSD.ORG Mon Jul 18 13:27:45 2011 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6AC3A106566C for ; Mon, 18 Jul 2011 13:27:45 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 4188C8FC16 for ; Mon, 18 Jul 2011 13:27:45 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id EADBB46B0A; Mon, 18 Jul 2011 09:27:44 -0400 (EDT) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 886C98A02F; Mon, 18 Jul 2011 09:27:44 -0400 (EDT) From: John Baldwin To: Michael Butler Date: Mon, 18 Jul 2011 09:24:56 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110617; KDE/4.5.5; amd64; ; ) References: <4CE54A1B-B0EF-4907-88BE-124FC4FF236D@FreeBSD.org> <4E22EC60.2050708@protected-networks.net> In-Reply-To: <4E22EC60.2050708@protected-networks.net> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201107180924.56616.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (bigwig.baldwin.cx); Mon, 18 Jul 2011 09:27:44 -0400 (EDT) Cc: current@freebsd.org Subject: Re: [PATCH] Make x86 Host-PCI bridge drivers honor decoded ranges X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jul 2011 13:27:45 -0000 On Sunday, July 17, 2011 10:06:24 am Michael Butler wrote: > On 07/09/11 20:04, John Baldwin wrote: > > This patch adds a new API (pcib_host_res_*) that Host-PCI bridge drivers can > > use to restrict allocations for child devices to a known subset of address > > ranges that the bridge decodes. > > One observation from what is now in 'HEAD' .. > > isa_probe_children: disabling PnP devices > ichwd0: on isa0 > isab0: found ICH7 or equivalent chipset: Intel ICH7M watchdog timer > pcib0: allocated type 4 (0x1030-0x1037) for rid 0 of ichwd0 > pcib0: allocated type 4 (0x1060-0x107f) for rid 1 of ichwd0 > ichwd0: unable to reserve GCS registers > device_attach: ichwd0 attach returned 6 > pmtimer0 on isa0 > atkbdc: atkbdc0 already exists; skipping it > atrtc: atrtc0 already exists; skipping it > attimer: attimer0 already exists; skipping it > sc: sc0 already exists; skipping it > isa_probe_children: probing non-PnP devices > ichwd0: at port 0x1030-0x1037,0x1060-0x107f > on isa0 > isab0: found ICH7 or equivalent chipset: Intel ICH7M watchdog timer > pcib0: allocated type 4 (0x1030-0x1037) for rid 0 of ichwd0 > pcib0: allocated type 4 (0x1060-0x107f) for rid 1 of ichwd0 > ichwd0: unable to reserve GCS registers > device_attach: ichwd0 attach returned 6 > > .. where previous kernels would proceed as follows: > > isa_probe_children: disabling PnP devices > ichwd0: on isa0 > isab0: found ICH7 or equivalent chipset: Intel ICH7M watchdog timer > ichwd0: Intel ICH7M watchdog timer (ICH7 or equivalent) > ichwd0: timer disabled > pmtimer0 on isa0 > atkbdc: atkbdc0 already exists; skipping it > atrtc: atrtc0 already exists; skipping it > attimer: attimer0 already exists; skipping it > sc: sc0 already exists; skipping it > isa_probe_children: probing non-PnP devices Hmm, can you get the output of 'devinfo -r' from an old kernel? -- John Baldwin