Public bug reported:
I already asked a question on AskUbuntu but I'm reporting it as a bug as
suggested by moderators.
I get lots of hard reboots when the xserver is supposed to do "something"
(that's why I call it random), especially when scrolling a pdf (2-4 scrolls
will suffice). For example, as I'm submitting this bug, my system rebooted
twice: the first time as I clicked on "Yes, log me in", the second one as I
highlighted some words with the cursor. I also get reboots while pressing F2 to
rename a file (just before the box with highlighted text appears), and also
while opening/closing a tab on any browser (right before doing it).
It could really reboot on ANYTHING.
Here are some clues:
1. If I log into the system and don't do anything, the system is stable
and running until I start using it.
2. I'm running a mainstream kernel, but it doesn't matter. A saucy live
cd and even a natty live cd show the same bug.
3. It doesn't matter which desktop environment is running. Ubuntu,
Kubuntu and Xubuntu are all showing the same problem.
4. It doesn't matter which graphic driver is running: nouveau, nvidia
and mesa are all affected.
5. System logs don't show anything, they stop before the crash and
restart at boot.
6. A linux i386 (32 bits) kernel DOES NOT SHOW THIS PROBLEM.
My motherboard is an Asus A8R-MVP upgraded to the latest BIOS available
and my GPU is a NVIDIA GeForce 9500 GT. I already tested my RAM for 3
hours, tested GPU temperature, bought a new PSU and SATA cables, ran
SMART tests, but my hardware seems absolutely fine.
Also, these are the parameters I've set in /etc/default/grub:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nohz=off ipv6.disable=1
enable_mtrr_cleanup mtrr_spare_reg_nr=1 pata_ali.atapi_dma=1
iommu=force"
I'll try to attach anything that could be useful, but so far my system
thinks everything is fine...
Please, feel free to ask any additional info.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: xserver-xorg 1:7.7+1ubuntu6
Uname: Linux 3.12.0-031200-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: amd64
Date: Mon Feb 10 02:07:39 2014
InstallationDate: Installed on 2013-05-30 (255 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
ProcEnviron:
LANGUAGE=it:en
TERM=xterm
PATH=(custom, no user)
LANG=it_IT.UTF-8
SHELL=/bin/bash
SourcePackage: xorg
UpgradeStatus: Upgraded to saucy on 2013-10-18 (114 days ago)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug saucy third-party-packages
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1278224
Title:
X.Org causes RANDOM REBOOTS on x64 linux kernel
To manage notifications about this bug go to:
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