Public bug reported:
Recently I've got a problem with the official Nvidia driver. I used to
run it on Ubuntu 10.11 and older versions and it never gave me any
serious problems, whatsoever. Then one day, it stopped working (Ubuntu
10.11). By stopped working I mean, Ubuntu could not load, it hangs in
the middle of the loading process and keyboard does not respond: i.e. if
you press the Num Lock button it does not change its state. But the
kernel keeps running, i.e. you can communicate to the O/S via SSH. Also
the system does not hang if you boot in text mode (using the "text"
option at Grub).
I thought Ubuntu got somehow corrupted. So I've installed the latest
version, that is 12.04 (fresh installation). Then I've installed the
current Nvidia driver using Ubuntu's Additional Drivers option, rebooted
the system and it again hanged. Then, I've booted in text mode removed
the Nvidia driver, and installed the latest Nvidia driver by adding a
PPA repository.
For weeks everything worked well until a few days ago. That day, I've
tried to boot my computer and it again hanged. Tried to remove the
driver and replace it by another one from another PPA repository, and no
luck. I've even tried to manually install Nvidia driver (that is
provided from Nvidia.com) and it did not work as well.
Also I've tried to blacklist the nouveau driver, but the system still
crashed.
Side effects:
* Keyboard do not respond, giving the illusion that the kernel has crashed
* You can only communicate with the O/S via SSH
* You can't terminate the X server (sudo kill -9 <xserver_pid>)
* You can't reboot/poweroff the system (sudo poweroff or sudo reboot)
Hardware / Software info:
*-display
description: VGA compatible controller
product: GF110 [GeForce GTX 560 Ti]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:02:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller cap_list rom
configuration: driver=nvidia latency=0
resources: irq:16 memory:f6000000-f7ffffff memory:e0000000-e7ffffff
memory:ec000000-efffffff ioport:ef00(size=128) memory:e8000000-e807ffff
Distributor ID: Ubuntu
Description: Ubuntu 12.04 LTS
Release: 12.04
Codename: precise
Linux melitas 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
ii nvidia-common 1:0.2.44 Find obsolete NVIDIA drivers
ii nvidia-current 295.53-0ubuntu1 NVIDIA binary Xorg driver, kernel module and
VDPAU library
ii nvidia-settings 295.33-0ubuntu1 Tool of configuring the NVIDIA graphics
driver
------------
The crash dump (logged in dmesg) can be found in the attachment named dmesg.txt
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1007119
Title:
Nvidia driver causing Xorg to crash at boot time
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