Public bug reported:
This system was working perfectly 3 months ago. I turned it off and left it off
until yesterday.
When I came back to it and turned it on, it worked initially but then the
nvidia video card
(nvidia GeForce GT 630) decided to die. I replaced the video card with an
nvidia GeForce GT 710
and hit this issue. The machine also has integrated Intel graphics which I am
not using.
The system boots fine, I see BIOS boot messages and linux kernel messages until
X tries to start.
After it does that, nothing is displayed on screen. If I try to switch to
another VT with
<c><a><F2> for example, I get no output then either.
Extract from /var/log/Xorg.0.log
[ 20.839] (EE) Backtrace:
[ 20.839] (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x55ef19ccae0e]
[ 20.839] (EE) 1: /usr/lib/xorg/Xorg (0x55ef19b19000+0x1b5b79)
[0x55ef19cceb79]
[ 20.839] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0
(0x7fc802cbb000+0x11390) [0x7fc802ccc390]
[ 20.839] (EE) 3: /usr/lib/xorg/Xorg (RRProviderAutoConfigGpuScreen+0x42)
[0x55ef19c38232]
[ 20.839] (EE) 4: /usr/lib/xorg/Xorg (InitOutput+0x5bd) [0x55ef19bb1c7d]
[ 20.839] (EE) 5: /usr/lib/xorg/Xorg (0x55ef19b19000+0x582d6)
[0x55ef19b712d6]
[ 20.839] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0)
[0x7fc802911830]
[ 20.839] (EE) 7: /usr/lib/xorg/Xorg (_start+0x29) [0x55ef19b5b449]
[ 20.839] (EE)
[ 20.839] (EE) Segmentation fault at address 0x130
[ 20.839] (EE)
Fatal server error:
[ 20.839] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 20.839] (EE)
[ 20.839] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
I am using the nvidia drivers and they seem not to be loading for some reason.
I need to use them for vdpau support.
Here is where the X server tries to load the nvidia driver, from earlier in the
same log file:
...
[ 20.823] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 20.823] (II) xfree86: Adding drm device (/dev/dri/card1)
[ 20.826] (--) PCI: (0:0:2:0) 8086:29c2:8086:5044 rev 2, Mem @
0x9b400000/524288, 0x80000000/268435456, 0x9b300000/1048576, I/O @ 0
x00004430/8
[ 20.826] (--) PCI:*(0:1:0:0) 10de:128b:1462:8c93 rev 161, Mem @
0x9a000000/16777216, 0x90000000/134217728, 0x98000000/33554432, I/
O @ 0x00003000/128, BIOS @ 0x????????/131072
[ 20.826] (WW) "glamoregl" will not be loaded unless you've specified it to
be loaded elsewhere.
[ 20.826] (II) "glx" will be loaded by default.
[ 20.826] (II) LoadModule: "glx"
[ 20.826] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 20.827] (II) Module glx: vendor="X.Org Foundation"
[ 20.827] compiled for 1.19.6, module version = 1.0.0
[ 20.827] ABI class: X.Org Server Extension, version 10.0
[ 20.827] (==) Matched nvidia as autoconfigured driver 0
[ 20.828] (==) Matched nouveau as autoconfigured driver 1
[ 20.828] (==) Matched intel as autoconfigured driver 2
[ 20.828] (==) Matched nvidia as autoconfigured driver 3
[ 20.828] (==) Matched nouveau as autoconfigured driver 4
[ 20.828] (==) Matched modesetting as autoconfigured driver 5
[ 20.828] (==) Matched fbdev as autoconfigured driver 6
[ 20.828] (==) Matched vesa as autoconfigured driver 7
[ 20.828] (==) Assigned the driver to the xf86ConfigLayout
[ 20.828] (II) LoadModule: "nvidia"
[ 20.829] (WW) Warning, couldn't open module nvidia
[ 20.829] (II) UnloadModule: "nvidia"
[ 20.829] (II) Unloading nvidia
[ 20.829] (EE) Failed to load module "nvidia" (module does not exist, 0)
[ 20.829] (II) LoadModule: "nouveau"
[ 20.829] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
[ 20.830] (II) Module nouveau: vendor="X.Org Foundation"
[ 20.830] compiled for 1.19.5, module version = 1.0.15
[ 20.830] Module class: X.Org Video Driver
[ 20.830] ABI class: X.Org Video Driver, version 23.0
[ 20.830] (II) LoadModule: "intel"
[ 20.830] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 20.830] (II) Module intel: vendor="X.Org Foundation"
[ 20.830] compiled for 1.19.5, module version = 2.99.917
[ 20.830] Module class: X.Org Video Driver
[ 20.830] ABI class: X.Org Video Driver, version 23.0
...
Steps I have taken:
- reinstall xserver-xorg-hwe-16.04, xserver-xorg-core-hwe-16.04,
xserver-xorg-video-all-hwe-16.04 and nvidia-384
- rebooted a few times to check for a race condition
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3.1
ProcVersionSignature: Ubuntu 4.15.0-55.60~16.04.2-generic 4.15.18
Uname: Linux 4.15.0-55-generic x86_64
NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.19
Architecture: amd64
Date: Sun Jul 28 22:23:42 2019
InstallationDate: Installed on 2016-11-12 (988 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1838192
Title:
X server segfaults immediately at startup
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