[xubuntu-users] nVidia driver - Problem report on every reboot

KC1DI

2015-04-30 21:55:54 UTC

Hi,
this is normal when using closed binary drivers.

Basically it's telling you that since you are using closed drivers, don't
expect the kernel developers to be interested in any problems you have.

The problem is that Nvidia does not release it's driver code under GPL or
any license that Ubuntu devs can modify. Ubuntu supplies these drives as is
without any modifications they either work or don't fortunately most of the
nvidia ones do :)
Good Luck

Post by MR ZenWiz
I'm running Xubuntu 14.04.2 on my home and work desktops. Both have
an nVidia graphics card in them. I've installed the Ubuntu nVidia-340
driver package from the Ubuntu repository and it seems to be running
fine.
However, every time I get a kernel update and have to reboot, I get
one or two "problem report"s where the system detects a problem, asks
me if I want to report it, and then when it runs, it tells me it can't
report the problem because this isn't an Ubuntu package.
I have this crazy expectation that drivers from the Ubuntu repository
will either work properly or at least report problems upstream.
Apr 30 11:27:24 USITRICHTMD1C kernel: [ 30.971413] nvidia: module
license 'NVIDIA' taints kernel.
Apr 30 11:27:24 USITRICHTMD1C kernel: [ 30.971421] Disabling lock
debugging due to kernel taint
Apr 30 11:27:24 USITRICHTMD1C kernel: [ 30.977137] nvidia: module
verification failed: signature and/or required key missing - tainting
kernel
Apr 30 11:27:24 USITRICHTMD1C kernel: [ 30.986654] vgaarb: device
PCI:0000:02:00.0,olddecodes=io+mem,decodes=none:owns=none
Apr 30 11:27:24 USITRICHTMD1C kernel: [ 30.987228] [drm] Initialized
nvidia-drm 0.0.0 20150116 for 0000:02:00.0 on minor 0
Apr 30 11:27:24 USITRICHTMD1C kernel: [ 30.987256] NVRM: loading
NVIDIA UNIX x86_64 Kernel Module 340.76 Thu Jan 22 12:11:08 PST 2015
[ 26.808465] nvidia: module license 'NVIDIA' taints kernel.
[ 26.808473] Disabling lock debugging due to kernel taint
[ 26.814753] nvidia: module verification failed: signature and/or
required key missing - tainting kernel
PCI:0000:02:00.0,olddecodes=io+mem,decodes=none:owns=none
[ 26.822562] [drm] Initialized nvidia-drm 0.0.0 20150116 for
0000:02:00.0 on minor 0
[ 26.822583] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 340.76
Thu Jan 22 12:11:08 PST 2015
run-parts: executing /etc/kernel/postinst.d/dkms 3.13.0-51-generic
/boot/vmlinuz-3.13.0-51-generic^M
Error! Bad return status for module build on kernel: 3.13.0-51-generic
(x86_64)^M
Consult /var/lib/dkms/nvidia-340/340.76/build/make.log for more information.^M
However, /var/lib/dkms/nvidia-340/340.76/build/make.log is empty.
I'm not entirely sure what that means. Any suggestions?
Thanks.
MR
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