Great! I'm just a regular user, but I think if you got it to work you
don't need to install 22.04. Even if you do, you'll probably need these
options in grub anyway. I am currently on 22.04 and I have to use
"i915.enable_dc=0".
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Perhaps you need both intel_idle.max_cstate=1 and i915.enable_dc=0 parameters?
According to the above link, some chips might need both.
Also, are you able to try a more recent Ubuntu version?
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The kernel parameter
GRUB_CMDLINE_LINUX_DEFAULT="i915.enable_dc=0"
seems to have finally done the trick for me. More details can be found
here: https://linuxreviews.org/Intel_graphics#Kernel_Parameters
However, could anyone explain why this wasn't needed in kernel 5.8? Is
it because the i915
This option did not do it for me, either in GRUB or with the initramfs
method. I'm on Kubuntu 22.04.
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https://bugs.launchpad.net/bugs/1939347
Title:
Ubuntu 20.04 freeze since kernel
I'm currently on Kubuntu 21.10 with kernel 5.13.0-22 and I have noticed
that no freezes occur when in a Wayland session. I can use my laptop
normally, both in battery / charged, connected to an external monitor or
not. Running for two days now, with some reboots in between.
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Happy holidays to all!
Do we have any new information about this bug? Do we know what's causing it?
More importantly, do we have any idea whether it's going to be fixed in an
upcoming kernel? Or is our only option to downgrade?
It's pretty sad that we can't use our laptop as an actual laptop.
@skucharski77 nope, mine was less than 1% before freeze.
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https://bugs.launchpad.net/bugs/1939347
Title:
Ubuntu 20.04 freeze since kernel 5.11
To manage notifications about this bug
Hi again,
I noticed something interesting. Twice this weekend I've had my laptop
freeze while plugged in but not connected in my main monitor. Up until
now I've been under the impression that the freezes occurred only when
on battery. It seems the culprit might have more to do with whether a
I'm not sure it's relevant but I'm already on (K)ubuntu 21.10, kernel
5.13.0.20 and the problem is still there. Unless you are looking
specifically for feedback from HWE kernels.
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I have observed that if I choose to boot in recovery mode from GRUB menu
and then select to resume boot, the system does not freeze. Of course,
in that case the graphics drivers are not loaded properly so it's
probably not a particularly viable workaround.
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Same here, Dell Latitude 7490, freezes when running in battery with
5.11.x and 5.13.x kernels. Doesn't happen with 5.8.x.
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https://bugs.launchpad.net/bugs/1939347
Title:
Ubuntu 20.04
Public bug reported:
I tried Wayland session on a Kubuntu 21.04 beta live usb.
Firefox is practically unusable since it refreshes the screen only on
re-focusing like described in this bug report:
https://bugzilla.mozilla.org/show_bug.cgi?id=1616894
Unfortunately, setting
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