Ubuntu
nvidia-graphics-drivers-352 package

Nvidia 340 & 352, Kubuntu 15.10, GT 555M, GPU Falling off the bus.

Asked by Andreas Rånman

Installed Kubuntu 15.10 on a Asus N55SF. And been suffering from screen going black, before coming back in lower resolution. Noticed that once back it didn't recognize anything nvidia apart from "nvidia-detector", not even nvidia-bug-report.sh is available after crash. Essentially making me reboot to once again get 1920x1080 resolution.

Read the kern.log and saw that the GPU kept falling off the bus at the timestamps of my crashes.

It falls off the bus at seeming random intervals, sometimes right after SDDM log-in, but mostly during changes like hovering over a link in firefox, opening a new channel in hexchat, even sometimes just scrolling through system settings.

I've tried reinstalling drivers, apt-get remove --purge nvidia* and installing them again.

Was advised to try other drivers and see if that helped, and found it only to be stable running legacy 304 proprietary drivers or nouveau installed. Only 304, 340, 352 and Nouveau drivers are available in Kubuntu's "Driver Manager".

Have not tried installing 14.04 LTS

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Ubuntu nvidia-graphics-drivers-352 Edit question
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Andreas Rånman
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Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#1

Have you tested your RAM using Memtest from Grub?

Revision history for this message
Andreas Rånman (andreas-ranman) said : 		#2

I did not run that no. Do I need to install what I think to be faulty drivers again and run that or is that something I can run with Nouveau installed?

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actionparsnip (andrew-woodhead666) said : 		#3

Hold SHIFT at boot and select it with cursor keys.

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Andreas Rånman (andreas-ranman) said : 		#4

That however did not answer my question; if I have to install what I suspect are faulty Nvidia driver. I've been using Nouvea past day and no crash as the one I had under Nvidia, but anyway.

Holding Shift did not land me in Grub, hitting Esc did (I assume) and Memorytest was not available as an option there. Only two Ubuntu with respective recovery mode was available in advance options.

I tried installing a new Kubuntu 15.10 live usb, to try run it from that one, but couldn't. Tried setting BIOS both UEFI enable and disable and it kept booting me into my current installation.

Revision history for this message
Andreas Rånman (andreas-ranman) said : 		#5

So, I ended up doing a fresh install of Kubuntu 15.10. Installed 340 drivers with nvidia-prime, and haven't experience another xorg crash with soon 2 hours uptime.

Might have been an installation of Bumblebee that ended up making changes to cause instability. Even after attempting to purge it from system.

I'm going to mark it down as solved and not go near Bumblebee in the future.