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[Question #255248]: Installation pilote ATI radeon et fglrx MAIS (?!?) avant le redémarrage, nouvelle MàJ manuelle u14.04 et : Grub, id&Pw =OK MAIS Pas de Bureau sauf default wallpaper

 

New question #255248 on Ubuntu:
https://answers.launchpad.net/ubuntu/+question/255248

1) installation ubuntu 14.04 LTS(double boot sur W7) puis, MàJ u14.04
--> 2) arrêt pc.
||Tout est OK|| 
3)installation pilote ati radeon & fglrx- et -> 4) (!) MàJ u14.04 juste après (securité)
--> 5) Reboot, Grub= OK, id&PW= OK MAIS : PAS DE BUREAU SAUF fond d'écran par défaut.

Pc=Toshiba satellite L550 AMD ATI radeon HD mobility 4???

Par USB-boot ubuntu 14.04 en live, TERMINAL:

ubuntu@ubuntu:~$ lspci -nnk | grep -iA2 aphics; uname -a; Xorg -version; sudo apt-get update; sudo apt-get install hwinfo mesa-utils hardinfo;  apt-cache show xserver-xorg | grep Version; xrandr; fglrxinfo; nvidia-settings -g |head -n 30 ; lspci -nnk | grep -iA2 VGA; sudo lshw -short; sudo lshw -C display; sudo hwinfo --gfxcard; dpkg -l | egrep 'fgl|intel|mesa|mesa-utils|nvidia|NVIDIA|nouveau|radeon|video-ati'; cat /etc/lsb-release; dmesg | egrep 'abort|ailed|error|fail|fgl|GLX|GPU|intel|issing|nouveau|nvidia|NVIDIA|radeon|segment|VESA|VGA|wfb|\(EE\)|\(WW\)'; cat /proc/cpuinfo | grep -I model; cat /var/log/Xorg.0.log | egrep 'abort|ailed|error|fail|fgl|GLX|GPU|intel|issing|nouveau|nvidia|NVIDIA|radeon|segment|VESA|VGA|wfb|\(EE\)|\(WW\)'; sudo dmidecode|egrep 'anufact|roduct|erial|elease'; cat /etc/X11/xorg.conf; /usr/lib/nux/unity_support_test -p; ubuntu-support-status ; sudo lsmod
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port [8086:2a41] (rev 07)
	Kernel driver in use: pcieport
00:1a.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03)
Linux ubuntu 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

X.Org X Server 1.15.1
Release Date: 2014-04-13
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.2.0-37-generic x86_64 Ubuntu
Current Operating System: Linux ubuntu 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64
Kernel command line: bootkbd=fr-latin1 console-setup/layoutcode=fr console-setup/variantcode=nodeadkeys locale=fr_FR noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz splash -- maybe-ubiquity
Build Date: 16 April 2014  01:36:29PM
xorg-server 2:1.15.1-0ubuntu2 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.30.2
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Ign cdrom://Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2) trusty InRelease
Ign cdrom://Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2) trusty/main Translation-fr_FR
Ign cdrom://Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2) trusty/main Translation-fr
Ign cdrom://Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2) trusty/main Translation-en
Ign cdrom://Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2) trusty/restricted Translation-fr_FR
Ign cdrom://Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2) trusty/restricted Translation-fr
Ign cdrom://Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2) trusty/restricted Translation-en
Ign http://security.ubuntu.com trusty-security InRelease                
Réception de : 1 http://security.ubuntu.com trusty-security Release.gpg [933 B]
Réception de : 2 http://security.ubuntu.com trusty-security Release [59,7 kB]
Ign http://archive.ubuntu.com trusty InRelease                     
Réception de : 3 http://security.ubuntu.com trusty-security/main amd64 Packages [146 kB]
Ign http://archive.ubuntu.com trusty-updates InRelease              
Atteint http://archive.ubuntu.com trusty Release.gpg                
Réception de : 4 http://security.ubuntu.com trusty-security/restricted amd64 Packages [14 B]
Réception de : 5 http://security.ubuntu.com trusty-security/main Translation-en [70,7 kB]
Réception de : 6 http://archive.ubuntu.com trusty-updates Release.gpg [933 B]
Réception de : 7 http://security.ubuntu.com trusty-security/restricted Translation-en [14 B]
Atteint http://archive.ubuntu.com trusty Release                               
Réception de : 8 http://archive.ubuntu.com trusty-updates Release [59,7 kB]
Atteint http://archive.ubuntu.com trusty/main amd64 Packages
Atteint http://archive.ubuntu.com trusty/restricted amd64 Packages
Réception de : 9 http://archive.ubuntu.com trusty/main Translation-fr [814 kB]
Atteint http://archive.ubuntu.com trusty/main Translation-en
Réception de : 10 http://archive.ubuntu.com trusty/restricted Translation-fr [3 879 B]
Atteint http://archive.ubuntu.com trusty/restricted Translation-en  
Réception de : 11 http://archive.ubuntu.com trusty-updates/main amd64 Packages [337 kB]
Réception de : 12 http://archive.ubuntu.com trusty-updates/restricted amd64 Packages [5 820 B]
Réception de : 13 http://archive.ubuntu.com trusty-updates/main Translation-en [150 kB]
Réception de : 14 http://archive.ubuntu.com trusty-updates/restricted Translation-en [1 736 B]
Ign http://archive.ubuntu.com trusty/main Translation-fr_FR                    
Ign http://archive.ubuntu.com trusty/restricted Translation-fr_FR              
1 649 ko réceptionnés en 6s (261 ko/s)                                         
Lecture des listes de paquets... Fait
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances       
Lecture des informations d'état... Fait
Package mesa-utils is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Impossible de trouver le paquet hwinfo
E: Package 'mesa-utils' has no installation candidate
E: Impossible de trouver le paquet hardinfo
Version: 1:7.7+1ubuntu8
Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
LVDS connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 382mm x 215mm
   1600x900       60.1*+
   1440x900       59.9  
   1280x854       59.9  
   1280x800       59.8  
   1280x720       59.9  
   1152x768       59.8  
   1024x768       59.9  
   800x600        59.9  
   848x480        59.7  
   720x480        59.7  
   640x480        59.4  
VGA-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
fglrxinfo: command not found
The program 'nvidia-settings' is currently not installed. You can install it by typing:
sudo apt-get install nvidia-settings
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] RV710/M92 [Mobility Radeon HD 4530/4570/545v] [1002:9553]
	Subsystem: Toshiba America Info Systems Device [1179:ffa0]
	Kernel driver in use: radeon
H/W path        Device      Class       Description
===================================================
                            system      Satellite L550 (012345678912345678912345678)
/0                          bus         KTWAA
/0/0                        memory      111KiB BIOS
/0/4                        processor   Intel(R) Core(TM)2 Duo CPU     T6600  @ 2.20GHz
/0/4/5                      memory      64KiB L1 cache
/0/4/6                      memory      2MiB L2 cache
/0/d                        memory      4GiB System Memory
/0/d/0                      memory      2GiB SODIMM Synchronous 800 MHz (1,2 ns)
/0/d/1                      memory      2GiB SODIMM Synchronous 800 MHz (1,2 ns)
/0/100                      bridge      Mobile 4 Series Chipset Memory Controller Hub
/0/100/1                    bridge      Mobile 4 Series Chipset PCI Express Graphics Port
/0/100/1/0                  display     RV710/M92 [Mobility Radeon HD 4530/4570/545v]
/0/100/1/0.1                multimedia  RV710/730 HDMI Audio [Radeon HD 4000 series]
/0/100/1a                   bus         82801I (ICH9 Family) USB UHCI Controller #4
/0/100/1a.1                 bus         82801I (ICH9 Family) USB UHCI Controller #5
/0/100/1a.2                 bus         82801I (ICH9 Family) USB UHCI Controller #6
/0/100/1a.7                 bus         82801I (ICH9 Family) USB2 EHCI Controller #2
/0/100/1b                   multimedia  82801I (ICH9 Family) HD Audio Controller
/0/100/1c                   bridge      82801I (ICH9 Family) PCI Express Port 1
/0/100/1c.2                 bridge      82801I (ICH9 Family) PCI Express Port 3
/0/100/1c.2/0   eth0        network     RTL8101E/RTL8102E PCI Express Fast Ethernet controller
/0/100/1c.3                 bridge      82801I (ICH9 Family) PCI Express Port 4
/0/100/1c.3/0   wlan0       network     RTL8191SEvB Wireless LAN Controller
/0/100/1c.5                 bridge      82801I (ICH9 Family) PCI Express Port 6
/0/100/1d                   bus         82801I (ICH9 Family) USB UHCI Controller #1
/0/100/1d.1                 bus         82801I (ICH9 Family) USB UHCI Controller #2
/0/100/1d.2                 bus         82801I (ICH9 Family) USB UHCI Controller #3
/0/100/1d.7                 bus         82801I (ICH9 Family) USB2 EHCI Controller #1
/0/100/1e                   bridge      82801 Mobile PCI Bridge
/0/100/1f                   bridge      ICH9M LPC Interface Controller
/0/100/1f.2                 storage     82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode]
/0/100/1f.3                 bus         82801I (ICH9 Family) SMBus Controller
/0/1            scsi1       storage     
/0/1/0.0.0      /dev/sda    disk        500GB FUJITSU MJA2500B
/0/1/0.0.0/1    /dev/sda1   volume      400MiB Windows NTFS volume
/0/1/0.0.0/2    /dev/sda2   volume      158GiB Windows NTFS volume
/0/1/0.0.0/3    /dev/sda3   volume      148GiB Windows NTFS volume
/0/1/0.0.0/4    /dev/sda4   volume      158GiB Extended partition
/0/1/0.0.0/4/5  /dev/sda5   volume      158GiB Linux filesystem partition
/0/2            scsi4       storage     
/0/2/0.0.0      /dev/cdrom  disk        DVDRAM GT20N
/0/3            scsi6       storage     
/0/3/0.0.0      /dev/sdb    disk        8019MB SCSI Disk
/0/3/0.0.0/1    /dev/sdb1   volume      7640MiB Windows FAT volume
/0/5            scsi7       storage     
/0/5/0.0.0      /dev/sdc    disk        62GB SCSI Disk
/0/5/0.0.0/1    /dev/sdc1   volume      58GiB Windows NTFS volume
/1                          power       TOSHIBA
  *-display               
       description: VGA compatible controller
       product: RV710/M92 [Mobility Radeon HD 4530/4570/545v]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 32 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=0
       resources: irq:47 memory:d0000000-dfffffff ioport:2000(size=256) memory:f2100000-f210ffff memory:f2120000-f213ffff
sudo: hwinfo: command not found
ii  intel-gpu-tools                                       1.3-0ubuntu2.1                                      amd64        tools for debugging the Intel graphics driver
ii  libdrm-intel1:amd64                                   2.4.52-1                                            amd64        Userspace interface to intel-specific kernel DRM services -- runtime
ii  libdrm-nouveau2:amd64                                 2.4.52-1                                            amd64        Userspace interface to nouveau-specific kernel DRM services -- runtime
ii  libdrm-radeon1:amd64                                  2.4.52-1                                            amd64        Userspace interface to radeon-specific kernel DRM services -- runtime
ii  libegl1-mesa:amd64                                    10.1.3-0ubuntu0.1                                   amd64        free implementation of the EGL API -- runtime
ii  libegl1-mesa-drivers:amd64                            10.1.3-0ubuntu0.1                                   amd64        free implementation of the EGL API -- hardware drivers
ii  libgl1-mesa-dri:amd64                                 10.1.3-0ubuntu0.1                                   amd64        free implementation of the OpenGL API -- DRI modules
ii  libgl1-mesa-glx:amd64                                 10.1.3-0ubuntu0.1                                   amd64        free implementation of the OpenGL API -- GLX runtime
ii  libglapi-mesa:amd64                                   10.1.3-0ubuntu0.1                                   amd64        free implementation of the GL API -- shared library
ii  libgles2-mesa:amd64                                   10.1.3-0ubuntu0.1                                   amd64        free implementation of the OpenGL|ES 2.x API -- runtime
ii  libglu1-mesa:amd64                                    9.0.0-2                                             amd64        Mesa OpenGL utility library (GLU)
ii  libopenvg1-mesa:amd64                                 10.1.3-0ubuntu0.1                                   amd64        free implementation of the OpenVG API -- runtime
ii  libwayland-egl1-mesa:amd64                            10.1.3-0ubuntu0.1                                   amd64        implementation of the Wayland EGL platform -- runtime
ii  xserver-xorg-video-ati                                1:7.3.0-1ubuntu3.1                                  amd64        X.Org X server -- AMD/ATI display driver wrapper
ii  xserver-xorg-video-intel                              2:2.99.910-0ubuntu1                                 amd64        X.Org X server -- Intel i8xx, i9xx display driver
ii  xserver-xorg-video-nouveau                            1:1.0.10-1ubuntu2                                   amd64        X.Org X server -- Nouveau display driver
ii  xserver-xorg-video-radeon                             1:7.3.0-1ubuntu3.1                                  amd64        X.Org X server -- AMD/ATI Radeon display driver
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"
[    0.000000] Console: colour VGA+ 80x25
[    0.000000] tsc: Fast TSC calibration failed
[    0.244643] acpi PNP0A08:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    5.120564] intel_idle: does not run on family 6 model 23
[    5.313728] ACPI: Video Device [VGA] (multi-head: yes  rom: no  post: no)
[    5.388988] [drm] radeon kernel modesetting enabled.
[    5.390862] radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M used)
[    5.390929] radeon 0000:01:00.0: GTT: 1024M 0x0000000020000000 - 0x000000005FFFFFFF
[    5.391329] [drm] radeon: 512M of VRAM memory ready
[    5.391382] [drm] radeon: 1024M of GTT memory ready.
[    5.409138] radeon 0000:01:00.0: WB enabled
[    5.409196] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000020000c00 and cpu addr 0xffff880138a13c00
[    5.409272] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000020000c0c and cpu addr 0xffff880138a13c0c
[    5.410417] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c598 and cpu addr 0xffffc9001081c598
[    5.410639] radeon 0000:01:00.0: irq 47 for MSI/MSI-X
[    5.410656] radeon 0000:01:00.0: radeon: using MSI.
[    5.410740] [drm] radeon: irq initialized.
[    5.828045] [drm] radeon atom DIG backlight initialized
[    5.828493] [drm]   VGA-1
[    5.845708] [drm] radeon: dpm initialized
[    6.848154] fbcon: radeondrmfb (fb0) is primary device
[    7.469133] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[    7.469172] radeon 0000:01:00.0: registered panic notifier
[    7.469331] [drm] Initialized radeon 2.36.0 20080528 for 0000:01:00.0 on minor 0
[   21.570326] snd_hda_intel 0000:00:1b.0: irq 48 for MSI/MSI-X
[   21.648877] hda-intel 0000:01:00.1: Handle VGA-switcheroo audio client
[   21.648883] hda-intel 0000:01:00.1: Using LPIB position fix
[   21.648949] snd_hda_intel 0000:01:00.1: irq 49 for MSI/MSI-X
[   21.659616] hda-intel 0000:01:00.1: Enable sync_write for stable communication
[   22.244331] init: failsafe main process (1328) killed by TERM signal
model		: 23
model name	: Intel(R) Core(TM)2 Duo CPU     T6600  @ 2.20GHz
model		: 23
model name	: Intel(R) Core(TM)2 Duo CPU     T6600  @ 2.20GHz
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    49.254] (==) Automatically adding GPU devices
[    49.254] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[    49.254] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[    49.254] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[    49.254] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[    49.254] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[    49.259] (==) AIGLX enabled
[    49.259] Loading extension GLX
[    49.259] (==) Matched fglrx as autoconfigured driver 0
[    49.259] (==) Matched fglrx as autoconfigured driver 2
[    49.259] (II) LoadModule: "fglrx"
[    49.259] (WW) Warning, couldn't open module fglrx
[    49.259] (II) UnloadModule: "fglrx"
[    49.259] (II) Unloading fglrx
[    49.260] (EE) Failed to load module "fglrx" (module does not exist, 0)
[    49.260] (II) LoadModule: "radeon"
[    49.260] (II) Loading /usr/lib/xorg/modules/drivers/radeon_drv.so
[    49.260] (II) Module radeon: vendor="X.Org Foundation"
[    49.261] (==) Matched fglrx as autoconfigured driver 0
[    49.261] (==) Matched fglrx as autoconfigured driver 2
[    49.261] (II) LoadModule: "fglrx"
[    49.262] (WW) Warning, couldn't open module fglrx
[    49.262] (II) UnloadModule: "fglrx"
[    49.262] (II) Unloading fglrx
[    49.262] (EE) Failed to load module "fglrx" (module does not exist, 0)
[    49.262] (II) Failed to load module "modesetting" (already loaded, 0)
[    49.263] (II) Failed to load module "fbdev" (already loaded, 0)
[    49.263] (II) Failed to load module "vesa" (already loaded, 0)
[    49.266] (II) VESA: driver for VESA chipsets: vesa
[    49.266] (WW) Falling back to old probe method for modesetting
[    49.266] (WW) Falling back to old probe method for fbdev
[    49.267] (WW) Falling back to old probe method for vesa
[    49.296] (II) RADEON(0): Output VGA-0 has no monitor section
[    49.312] (II) RADEON(0): First detailed timing is preferred mode
[    49.312] (II) RADEON(0): Supported detailed timing:
[    49.336] (II) RADEON(0): EDID for output VGA-0
[    49.352] (II) RADEON(0): Output VGA-0 disconnected
[    49.375] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[    49.375] (II) AIGLX: enabled GLX_ARB_create_context
[    49.375] (II) AIGLX: enabled GLX_ARB_create_context_profile
[    49.375] (II) AIGLX: enabled GLX_EXT_create_context_es2_profile
[    49.375] (II) AIGLX: enabled GLX_INTEL_swap_event
[    49.375] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
[    49.375] (II) AIGLX: enabled GLX_EXT_framebuffer_sRGB
[    49.375] (II) AIGLX: enabled GLX_ARB_fbconfig_float
[    49.375] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
[    49.376] (II) AIGLX: Loaded and initialized r600
[    49.376] (II) GLX: Initialized DRI2 GL provider for screen 0
[    49.412] (WW) evdev: HP Laser Mobile Mouse: ignoring absolute axes.
	Release Date: 12/18/2009
	Manufacturer: TOSHIBA
	Product Name: Satellite L550
	Serial Number: 99345109K
	Manufacturer: TOSHIBA
	Product Name: KTWAA
	Serial Number: 0123456789AB
	Manufacturer: TOSHIBA
	Serial Number: None        
	Manufacturer: Intel
	Serial Number: Not Specified
	Manufacturer: Toshiba
	Serial Number: DD456AF3
	Manufacturer: Toshiba
	Serial Number: 1706DB14
	Manufacturer: TOSHIBA   
	SBDS Serial Number: 0001
	SBDS Manufacture Date: 1980-00-01
cat: /etc/X11/xorg.conf: No such file or directory
OpenGL vendor string:   X.Org
OpenGL renderer string: Gallium 0.4 on AMD RV710
OpenGL version string:  3.0 Mesa 10.1.3

Not software rendered:    yes
Not blacklisted:          yes
GLX fbconfig:             yes
GLX texture from pixmap:  yes
GL npot or rect textures: yes
GL vertex program:        yes
GL fragment program:      yes
GL vertex buffer object:  yes
GL framebuffer object:    yes
GL version is 1.4+:       yes

Unity 3D supported:       yes
Support status summary of 'ubuntu':

You have 5 packages (0.3%) supported until juin 2015 (9m)
You have 4 packages (0.2%) supported until février 2015 (9m)
You have 1737 packages (99.5%) supported until mai 2019 (5y)

You have 0 packages (0.0%) that can not/no-longer be downloaded
You have 0 packages (0.0%) that are unsupported

Run with --show-unsupported, --show-supported or --show-all to see more details
Module                  Size  Used by
dm_crypt               23177  0 
arc4                   12608  2 
uvcvideo               80885  0 
rtl8192se              63196  0 
coretemp               13435  0 
rtl_pci                26690  1 rtl8192se
videobuf2_vmalloc      13216  1 uvcvideo
videobuf2_memops       13362  1 videobuf2_vmalloc
rtlwifi                63475  2 rtl_pci,rtl8192se
videobuf2_core         40664  1 uvcvideo
videodev              134688  2 uvcvideo,videobuf2_core
mac80211              630653  3 rtl_pci,rtlwifi,rtl8192se
snd_hda_codec_hdmi     46254  1 
joydev                 17381  0 
dm_multipath           22873  0 
snd_hda_codec_realtek    61438  1 
cfg80211              484040  2 mac80211,rtlwifi
scsi_dh                14882  1 dm_multipath
serio_raw              13462  0 
snd_hda_intel          52355  5 
snd_seq_midi           13324  0 
snd_hda_codec         192906  3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_seq_midi_event     14899  1 snd_seq_midi
lpc_ich                21080  0 
snd_rawmidi            30144  1 snd_seq_midi
toshiba_acpi           22901  0 
snd_hwdep              13602  1 snd_hda_codec
sparse_keymap          13948  1 toshiba_acpi
wmi                    19177  1 toshiba_acpi
snd_seq                61560  2 snd_seq_midi_event,snd_seq_midi
snd_pcm               102099  3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
rfcomm                 69160  0 
snd_seq_device         14497  3 snd_seq,snd_rawmidi,snd_seq_midi
bnep                   19624  2 
snd_page_alloc         18710  2 snd_pcm,snd_hda_intel
bluetooth             391196  10 bnep,rfcomm
snd_timer              29482  2 snd_pcm,snd_seq
parport_pc             32701  0 
snd                    69238  21 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi
soundcore              12680  1 snd
ppdev                  17671  0 
mac_hid                13205  0 
lp                     17759  0 
parport                42348  3 lp,ppdev,parport_pc
squashfs               48362  1 
overlayfs              27916  1 
nls_iso8859_1          12713  1 
dm_mirror              22135  0 
dm_region_hash         20862  1 dm_mirror
dm_log                 18411  2 dm_region_hash,dm_mirror
hid_generic            12548  0 
usbhid                 52570  0 
hid                   106148  2 hid_generic,usbhid
usb_storage            62209  2 
radeon               1522422  3 
psmouse               106678  0 
ahci                   25819  0 
libahci                32560  1 ahci
r8169                  67581  0 
i2c_algo_bit           13413  1 radeon
mii                    13934  1 r8169
ttm                    85115  1 radeon
drm_kms_helper         53081  1 radeon
drm                   303102  5 ttm,drm_kms_helper,radeon
video                  19476  0 
ubuntu@ubuntu:~$

----------------------------------------------------------------------------

En mode récupération, (dernière MàJ), quelques indices:

-dans var/log/Xorg.0.log:
            warning: mais j'ai oublié de copier/coller
-dans etc/X11/xorg.conf:
            ce fichier existe (?) mais semble peu fourni, mal paramétré (côté carte graphique)
-et, fglrx_drv.so:
            target "etc/alternatives/x86_64-linux-gnu_fglrx_drv" doesn't exist.

J'ai, quand même un peu cherché, le problème semble venir de moi au moins à un niveau: la MàJ ubuntu 14.04, dans la foulée et l'empressement. J'ai probablement fait erreur aussi, et surtout, en installant le pilote radeon propriétaire. Je ne m'y retrouve plus dans les chemins de fichiers .log, .so, ...  

Voilà, 
Merci.


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