*** This bug is a duplicate of bug 1220426 ***
https://bugs.launchpad.net/bugs/1220426
Same here with GK208M [GeForce GT 740M]
Rather than reboot, a work-around is ctrl-alt-f1 followed by ctrl-alt-f7
# uname -a
Linux hpp 3.13.0-35-generic #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014 x86_64
x86_64 x86_64 GNU/Linux
# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"
# lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor
Integrated Graphics Controller (rev 06)
# sudo lshw -C video
PCI (sysfs)
*-display
description: 3D controller
product: GK208M [GeForce GT 740M]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:49 memory:d2000000-d2ffffff memory:a0000000-afffffff
memory:b0000000-b1ffffff ioport:5000(size=128) memory:b2000000-b207ffff
*-display
description: VGA compatible controller
product: 4th Gen Core Processor Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:46 memory:d3000000-d33fffff memory:c0000000-cfffffff
ioport:6000(size=64)
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu.
https://bugs.launchpad.net/bugs/1277245
Title:
nvidia prime causing mouse and screen to freeze
Status in “nvidia-graphics-drivers-331” package in Ubuntu:
Confirmed
Bug description:
I upgraded to Ubuntu Trusty Tahr . Currently running with updates as of 6th
Feb. 64bit.
After installing nvidia-prime and nvidia-331, i can see frequent mouse
freezes. Once the mouse is frozen, it doesn't allow Alt+Tab functionality. Only
way to get out of this is by pressing Ctrl+Alt+F1 . I can bring back by
unloading and loading the psmouse module
modprobe -r psmouse.
lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Core Processor
Integrated Graphics Controller (rev 18)
01:00.0 VGA compatible controller: NVIDIA Corporation GT218M [GeForce 310M]
(rev a2)
uname -a
Linux Vostro-3300 3.13.0-6-generic #23-Ubuntu SMP Thu Jan 30 09:48:03 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu Trusty Tahr (development branch)"
This issue does not occur while running the opensource driver.
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https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1277245/+subscriptions
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