xorg will fail to start upon the first time reboot after switch to iGPU mode(Broadwell + AMD Topaz XT Radeon R7 M260)
........
(EE) AIGLX: reverting to software rendering
(EE) AIGLX error: dlopen of /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so failed (/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so: undefined symbol: _glapi_tls_Dispatch)
(EE) GLX: could not load software renderer
(II) GLX: no usable GL providers found for screen 0
......
Steps to reproduce:
1. install amd fglrx driver and switch iGPU mode.
2. reboot and issue will happen.
3. after another reboot, issue will disappear and swrast_dri.so would load successfully, xorg could start successfully.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
NonfreeKernelModules: fglrx
.tmp.unity.support.test.0:
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CompizPlugins:
(gconftool-2:2984): GConf-WARNING **: Client failed to connect to the D-BUS daemon:
Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
Failed to get value for `/apps/compiz-1/general/screen0/options/active_plugins': No D-BUS daemon running
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Mon May 12 11:19:52 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Broadwell-U Integrated Graphics [8086:1606] (rev 06) (prog-if 00 [VGA controller])
Subsystem: Intel Corporation Device [8086:2112]
Subsystem: Intel Corporation Device [8086:2112]
InstallationDate: Installed on 2014-05-07 (4 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 9710:7830 MosChip Semiconductor MCS7830 10/100 Mbps Ethernet adapter
Bus 001 Device 003: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 001 Device 002: ID 045e:0750 Microsoft Corp. Wired Keyboard 600
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Intel Corporation Broadwell Client platform
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=b53ace64-f4ad-4558-ad20-6268412b06bd ro quiet splash vt.handoff=7 nogpumanager
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/24/2014
dmi.bios.vendor: Intel Corporation
dmi.bios.version: BDW-E1R1.86C.0069.R00.1403240209
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: WhiteTip Mountain 1
dmi.board.vendor: Intel Corp.
dmi.board.version: 3
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Intel Corporation
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnIntelCorporation:bvrBDW-E1R1.86C.0069.R00.1403240209:bd03/24/2014:svnIntelCorporation:pnBroadwellClientplatform:pvr0.1:rvnIntelCorp.:rnWhiteTipMountain1:rvr3:cvnIntelCorporation:ct9:cvr0.1:
dmi.product.name: Broadwell Client platform
dmi.product.version: 0.1
dmi.sys.vendor: Intel Corporation
version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Mon May 12 11:17:51 2014
xserver.configfile: /etc/X11/xorg.conf
xserver.errors: Screen 1 deleted because of no matching config section.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.1-0ubuntu2
xserver.video_driver: fglrx
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Ubuntu 14.04 (trusty) reached end-of-
I'm setting the status of this bug to 'Incomplete' as it's not seen any activity for some time. If this bug report has any relevance when using a currently maintained release of Ubuntu then please let us know which one(s) otherwise this bug report can be left to expire in approximately 60 days time.