Thanks so much for your help. It seems to work again now after adding
those options and switching the device once in pavucontrol. Really
appreciate your fast responses!
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@Hui Wang
Thanks for the quick reply. If I understand correctly, 5.3.0-43 is not
yet in the bionic repository, but in bionic-proposed. I'm a bit hesitant
to install this after having just gotten the system back to boot again.
Is it intentional that there is this incompatibility but libasound is
A friend of mine has a Carbon 7th-gen and did the following update this
morning:
```
Start-Date: 2020-03-29 09:23:18
Commandline: apt-get upgrade
I can confirm this as well as that the workaround in #9 seems to work.
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https://bugs.launchpad.net/bugs/1379062
Title:
Graphics problem in Virtualbox
To manage notifications about
Please reopen. This happens to me for Ubuntu 14.04 on a Lenovo T530 with
nvidia drivers. It only happens when I switch to Discrete Graphics in
the BIOS, but running in Optimus breaks other things (cannot change the
virtual layout of external screens without glitches).
Using all the proposed
This is what happens when I tried echo 5 sudo tee
/sys/class/backlight/acpi_video0/brightness. It instantly froze
everything except the mouse pointer, which froze after about 10 seconds
as well. You can see lots of erros in the log file.
** Attachment added: Xorg.0.log.old
@Fabio I can confirm that
sudo dpkg -i ubuntu-drivers-common_0.2.91.5_amd64.deb nvidia-
common_0.2.91.5_amd64.deb
still seems to work (nvidia driver is successfully loaded). I tried
ubuntu-drivers-common_0.2.91.5 before and it didn't work, so I guess it's
because I also downgraded
I'm experiencing the same problem (I'm the OP from the link posted in
#2) on my T530. However, downgrading ubuntu-drivers-common to 0.2.91.5
didn't work for me, even after reinstalling the nvidia drivers.
It seems as if something keeps changing the alternatives for x86_64
-linux-gnu_gl_conf
I can confirm now that downgrading to ubuntu-drivers-common=1:0.2.91.4
as suggested by Fabio actually seems to work, whereas ubuntu-drivers-
common=1:0.2.91.5 was not enough. I also didn't have to reinstall nvidia
drivers, the downgrade alone seems to be enough.
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