Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752809Ab3IQLVy (ORCPT ); Tue, 17 Sep 2013 07:21:54 -0400 Received: from smtp1.uu.se ([130.238.7.54]:45400 "EHLO smtp1.uu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752484Ab3IQLVw (ORCPT ); Tue, 17 Sep 2013 07:21:52 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <21048.15143.580015.875306@pilspetsen.it.uu.se> Date: Tue, 17 Sep 2013 13:21:11 +0200 From: Mikael Pettersson To: linux-kernel@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Subject: [3.12-rc1 regression] X fails to start on Latitude E6510 w/ NOUVEAU DRM driver X-Mailer: VM 7.17 under Emacs 20.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3658 Lines: 77 Dell Latitude E6510, CONFIG_DRM_NOUVEAU, 64-bit Fedora 17 user-space, Xorg drivers, and 01:00.0 VGA compatible controller: nVidia Corporation GT218 [NVS 3100M] (rev a2). With 3.11 X starts fine, with 3.12-rc1 it fails with the following in Xorg.0.log: ... [ 56.819] (II) Loading /usr/lib64/xorg/modules/drivers/nouveau_drv.so [ 56.842] (II) Module nouveau: vendor="X.Org Foundation" [ 56.842] compiled for 1.12.2, module version = 0.0.16 [ 56.842] Module class: X.Org Video Driver [ 56.842] ABI class: X.Org Video Driver, version 12.0 [ 56.842] (II) NOUVEAU driver [ 56.842] (II) NOUVEAU driver for NVIDIA chipset families : [ 56.842] RIVA TNT (NV04) [ 56.842] RIVA TNT2 (NV05) [ 56.842] GeForce 256 (NV10) [ 56.842] GeForce 2 (NV11, NV15) [ 56.842] GeForce 4MX (NV17, NV18) [ 56.842] GeForce 3 (NV20) [ 56.842] GeForce 4Ti (NV25, NV28) [ 56.842] GeForce FX (NV3x) [ 56.842] GeForce 6 (NV4x) [ 56.842] GeForce 7 (G7x) [ 56.842] GeForce 8 (G8x) [ 56.842] GeForce GTX 200 (NVA0) [ 56.842] GeForce GTX 400 (NVC0) [ 56.842] (--) using VT number 7 [ 56.845] drmOpenDevice: node name is /dev/dri/card0 [ 56.845] drmOpenDevice: open result is 9, (OK) [ 56.845] drmOpenByBusid: Searching for BusID pci:0000:01:00.0 [ 56.845] drmOpenDevice: node name is /dev/dri/card0 [ 56.845] drmOpenDevice: open result is 9, (OK) [ 56.845] drmOpenByBusid: drmOpenMinor returns 9 [ 56.845] drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0 [ 56.845] (EE) [drm] failed to open device [ 56.845] (EE) No devices detected. With 3.11 one instead sees: ... [ 33.879] drmOpenByBusid: drmOpenMinor returns 9 [ 33.879] drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0 [ 33.879] (II) [drm] nouveau interface version: 1.1.1 [ 33.879] (II) Loading sub module "dri" ... There are no messages in the kernel's log that indicate any problem. stracing xinit shows: 964 open("/dev/dri/card0", O_RDWR) = 9 964 write(0, "[ 1120.365] ", 13) = 13 964 write(0, "drmOpenDevice: open result is 9,"..., 38) = 38 964 write(0, "[ 1120.365] ", 13) = 13 964 write(0, "drmOpenByBusid: drmOpenMinor ret"..., 39) = 39 964 ioctl(9, 0xc0106407, 0x7fffda0d4800) = 0 964 ioctl(9, 0xc0106401, 0x7fffda0d4800) = 0 964 ioctl(9, 0xc0106401, 0x7fffda0d4800) = 0 964 write(0, "[ 1120.365] ", 13) = 13 964 write(0, "drmOpenByBusid: drmGetBusid repo"..., 53) = 53 964 ioctl(9, 0xc0086420, 0x7fffda0d4870) = -1 EINVAL (Invalid argument) 964 fstat(9, {st_dev=makedev(0, 5), st_ino=2348, st_mode=S_IFCHR|0660, st_nlink=1, st_uid=0, st_gid=39, st_blksize=4096, st_blocks=0, st_rdev=makedev(226, 0), st_atime=2013/09/17-11:25:35, st_mtime=2013/09/17-11:25:35, st_ctime=2013/09/17-11:43:58}) = 0 964 fstat(9, {st_dev=makedev(0, 5), st_ino=2348, st_mode=S_IFCHR|0660, st_nlink=1, st_uid=0, st_gid=39, st_blksize=4096, st_blocks=0, st_rdev=makedev(226, 0), st_atime=2013/09/17-11:25:35, st_mtime=2013/09/17-11:25:35, st_ctime=2013/09/17-11:43:58}) = 0 964 close(9) = 0 964 write(0, "[ 1120.366] ", 13) = 13 964 write(0, "(EE) [drm] failed to open device"..., 33) = 33 So it looke like that ioctl 0xc0086420 is the culprit. Any ideas? I may have time to try a bisection tomorrow. -- 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/