** Changed in: ubuntu-drivers-common (Ubuntu)
Status: In Progress = Fix Released
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https://bugs.launchpad.net/bugs/1289420
Title:
Regression in the gpu-manager: bbswitch quirks
$ echo OFF | sudo tee /etc/prime-discrete
OFF
After log out:
$ cat /proc/acpi/bbswitch
:01:00.0 ON
** Attachment added: gpu-manager.log
https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1289420/+attachment/4013446/+files/gpu-manager.log
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I was able to switch the Nvidia card off manually, by using these
commands which were present in the old prime-switch script (from nvidia-
prime pre 0.6):
/sbin/initctl emit nvidia-off
/sbin/rmmod nvidia
echo OFF | sudo tee /proc/acpi/bbswitch
$ cat /proc/acpi/bbswitch
:01:00.0 OFF
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You
that's one more bug. I know exactly what's going on. Thanks
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https://bugs.launchpad.net/bugs/1289420
Title:
Regression in the gpu-manager: bbswitch quirks erroneously applied
To
ubuntu-drivers-common (1:0.2.89.6) will solve the problem.
In case of further issues, please file new bug reports against ubuntu-
drivers-common.
Thank you again for your help debugging the problem.
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Thank you! I can't test it right now but I'll give it a try later.
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https://bugs.launchpad.net/bugs/1289420
Title:
Regression in the gpu-manager: bbswitch quirks erroneously applied
I upgraded to version 1:0.2.89.6 and it seems to work. Thanks again!
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https://bugs.launchpad.net/bugs/1289420
Title:
Regression in the gpu-manager: bbswitch quirks erroneously applied
I've just committed and uploaded a fix for this bug. ubuntu-drivers-
common (1:0.2.89.4) will solve the problem.
** Summary changed:
- Can't switch to nvidia - prime-select fails
+ Regression in the gpu-manager: bbswitch quirks erroneously applied
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I just upgraded to ubuntu-drivers-common and bbswitch is only partially
fixed: now bbswitch works, but it's always on, even if I select to use
the Intel card:
$sudo prime-select intel
Info: the intel profile is already in use
$cat /proc/acpi/bbswitch
:01:00.0 ON
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please attach the new dmesg and /var/log/gpu-manager.log
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https://bugs.launchpad.net/bugs/1289420
Title:
Regression in the gpu-manager: bbswitch quirks erroneously applied
To manage
** Attachment added: gpu-manager.log
https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1289420/+attachment/4012743/+files/gpu-manager.log
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dmesg log attached here. I'm guessing this is what's causing the issue:
7.355529] init: Failed to spawn hybrid-gfx main process: unable to execute:
No such file or directory
[7.396415] bbswitch: version 0.7
[7.396425] bbswitch: Found integrated VGA device :00:02.0:
This is just a completely harmless leftover:
7.355529] init: Failed to spawn hybrid-gfx main process: unable to
execute: No such file or directory
there's probably something wrong with bbswitch.
What happens if you type:
echo OFF | sudo tee /etc/prime-discrete
and then you log out and log
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