Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756793Ab2JTWT0 (ORCPT ); Sat, 20 Oct 2012 18:19:26 -0400 Received: from mail-wg0-f44.google.com ([74.125.82.44]:45731 "EHLO mail-wg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756666Ab2JTWTZ (ORCPT ); Sat, 20 Oct 2012 18:19:25 -0400 Date: Sun, 21 Oct 2012 00:19:48 +0200 From: Marcin Slusarz To: Heinz Diehl Cc: Martin Peres , Heinz Diehl , Linus Torvalds , =?utf-8?B?UGF3ZcWC?= Sikora , David Airlie , Ben Skeggs , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, marcheu@chromium.org Subject: Re: Linux 3.7-rc1 (nouveau_bios_score oops). Message-ID: <20121020221948.GE5826@joi.lan> References: <1724445.dN2yMEzN6d@localhost> <20121020092647.GA3186@fancy-poultry.org> <50827174.7070109@labri.fr> <20121020104238.GA1539@fritha.org> <20121020202846.GA5826@joi.lan> <20121020212036.GA1698@fritha.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121020212036.GA1698@fritha.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3004 Lines: 66 On Sat, Oct 20, 2012 at 11:20:36PM +0200, Heinz Diehl wrote: > On 20.10.2012, Marcin Slusarz wrote: > > > Try this one. > > It works, now I can boot again. However, nouveau seems to be dead now. > The dmesg output with your patch on top of 3.7-rc1 is: > > [ 3.685909] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 > [ 3.687784] nouveau [ DEVICE][0000:01:00.0] BOOT0 : 0x0a8800b1 > [ 3.689960] nouveau [ DEVICE][0000:01:00.0] Chipset: GT218 (NVA8) > [ 3.692471] nouveau [ DEVICE][0000:01:00.0] Family : NV50 > [ 3.695716] nouveau [ VBIOS][0000:01:00.0] checking PRAMIN for image... > [ 3.697087] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.698471] nouveau [ VBIOS][0000:01:00.0] checking PROM for image... > [ 3.699838] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.701223] nouveau [ VBIOS][0000:01:00.0] checking ACPI for image... > [ 3.702684] ACPI Error: Field [ROMI] Base+Offset+Width 0+24+1 is beyond end of region [VROM] (length 24) (20120913/exfldio-210) > [ 3.704139] ACPI Error: Method parse/execution failed[\_SB_.PCI0.PEG1.GFX0._ROM] (Node ffff880142e85cf8), AE_AML_REGION_LIMIT (20120913/psparse-536) > [ 3.716183] failed to evaluate ROM got AE_AML_REGION_LIMIT > [ 3.718776] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.721349] nouveau [ VBIOS][0000:01:00.0] checking PCIROM for image... > [ 3.724111] nouveau 0000:01:00.0: Invalid ROM contents > [ 3.726663] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.729159] nouveau E[ VBIOS][0000:01:00.0] unable to locate usable image > [ 3.731677] nouveau E[ DEVICE][0000:01:00.0] failed to create 0x10000001, -22 > [ 3.734231] nouveau E[ DRM] failed to create 0x80000080, -22 > [ 3.736097] nouveau: probe of 0000:01:00.0 failed with error -22 > [ 3.740523] dracut: Starting plymouth daemon Hmm, maybe we can't fetch 3 bytes only... Let's check this: --- diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c index 824eea0..8bd71aa 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c @@ -192,14 +192,16 @@ nouveau_bios_shadow_acpi(struct nouveau_bios *bios) { struct pci_dev *pdev = nv_device(bios)->pdev; int ret, cnt, i; - u8 data[3]; + u8 *data; if (!nouveau_acpi_rom_supported(pdev)) return; bios->size = 0; - if (nouveau_acpi_get_bios_chunk(data, 0, 3) == 3) + data = kmalloc(4096, GFP_KERNEL); + if (data && nouveau_acpi_get_bios_chunk(data, 0, 4096) >= 3) bios->size = data[2] * 512; + kfree(data); if (!bios->size) return; --- Please attach acpidump output. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/