Here is a hiDPI scaling script for Gnome3:
#!/bin/bash
gsettings set org.gnome.desktop.interface scaling-factor 2
eval sleep 1;xrandr --output eDP --scale 1.6x1.6 --panning 3072x1728
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*instead of ath10k_hwmon-pci(?!??) -> except of ath10k_hwmon-pci
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https://bugs.launchpad.net/bugs/1776563
Title:
Acer Aspire A315 ACPI failure on Ubuntu 18.04, kernel hangs, can't
Hi all,
After a bit of testing the power management seems to be better but it is far
away from perfect. I don't see any anomaly watching temperature sensors
(instead of ath10k_hwmon-pci(?!??)) but my notebook is definitely warm if I
hold it on my lap.
This is more better on win10, I don't know
This could be the better solution because of the notebook's lowest
heating but I'm not sure.
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https://bugs.launchpad.net/bugs/1776563
Title:
Acer Aspire A315 ACPI failure on Ubuntu
HOT NEWS!!
CONFIG_VGA_SWITCHEROO=n can be avoided using these kernel parameters
amdgpu.runpm=0 radeon.modeset=0.
Further investigation is in progress...
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AaronMa,
This is the iommu debug:
[0.00] AMD-Vi: Using IVHD type 0x11
[0.00] AMD-Vi: device: 00:00.2 cap: 0040 seg: 0 flags: b0 info
[0.00] AMD-Vi:mmio-addr: fd90
[0.00] AMD-Vi: DEV_SELECT_RANGE_START devid: 00:01.0 flags: 00
[
Kernel can be started even with noapic but two sensors will be missing
and the advanced touchpad functions will not work.
!!!This line is not here: This is the reason of CONFIG_VGA_SWITCHEROO=n
compile time kernel parameter.
There is an another problem: this notebook has two GPUs and amdgpu (or
Hi AaronMa,
thanks for the response. I tried it but it didn't work. I think iommu
problem is not the main reason of the kernel hang. Otherwise it can be
disabled in BIOS and there is no change.
The main reason is: https://bugzilla.kernel.org/attachment.cgi?id=276587
like you can se on this
Hi Richard:
This issue should be related to the buggy BIOS ivrs table.
Kernel panic when found no southbridge device ID.
Could you try boot kernel with "amd_iommu_dump=1 amd_iommu=off" (remove
other kernel parameters you tried to solve this issue).
If it works, please attach the dmesg here.
I
** Also affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
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Title:
Acer Aspire A315 ACPI failure on Ubuntu 18.04,
Dear Ubuntu maintainers,
couldn't this be fixed by an ubuntu kernel patch? The hardest part is to
disable gpu switching at kernel load time. APIC fixing parameters can be
hardcoded for these models I think or search for the correct pci
controller using a smart script.
This was a hell of an
The solution for Acer A315-41G-* notebooks: (USE AT YOUR OWN RISK - PLS
be very careful)
1. Load kernel with these parameters: ivrs_ioapic[4]=00:14.0
ivrs_ioapic[5]=00:00.2 nomodeset
This is how it can be done (1. answer/first half 1-4):
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https://bugzilla.kernel.org/show_bug.cgi?id=200087.
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** Summary changed:
- Acer Aspire A315 ACPI failure on Ubuntu 18.04, kernel hangs, can't load (AMD
Ryzen 5/Radeon/Raven)
+ Acer Aspire A315 ACPI failure on Ubuntu 18.04, kernel hangs, can't load,
kernel freeze (AMD Ryzen 5/Radeon/Raven)
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