[Ubuntu-x-swat] [Bug 2020604] Re: After Mesa upgrades, Chrome won't show graphics

[oblong]

For any Linux Mint 21.1 users... their systems may be behind in getting
updates. But in the last few days I've had some users experience this
problem with Google Chrome (Version 114.0.5735.198) and with Brave
(Version 1.52.130). Thanks to posts here these fixes worked for me:

Chrome:
Delete ~/.config/google-chrome/Default/GPUCache

Brave:
Delete ~/.config/BraveSoftware/Brave-Browser/Default/GPUCache

(not to be confused with the older (?) ~/.config/brave... directory

-- 
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which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/2020604

Title:
  After Mesa upgrades, Chrome won't show graphics

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[Ubuntu-x-swat] [Bug 541492] Re: MASTER: [i845] GPU lockup (apport-crash) (Should KMS be blacklisted?)

[oblong]

System/hardware:
10.04 (lucid) 2.6.32-25-generic

1024x768

$ lspci|grep VGA
00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE 
Chipset Integrated Graphics Device (rev 03)

This reproduces the problem consistently (gnome-screensaver is
installed):

System|Preferences|Screensaver.

By default, AntSpotlight is selected. After a couple of seconds the
screen goes blank, sometimes with vertical zebra stripes.

syslog contains:

Oct  2 12:26:41 ubuntu-desktop kernel: [ 5531.425838] 
[drm:i915_gem_entervt_ioctl] *ERROR* Reenabling wedged hardware, good luck
Oct  2 12:26:41 ubuntu-desktop kernel: [ 5531.740027] 
[drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Oct  2 12:26:41 ubuntu-desktop kernel: [ 5531.740038] render error detected, 
EIR: 0x
Oct  2 12:26:41 ubuntu-desktop kernel: [ 5531.740880] 
[drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 
4120 at 1135)
Oct  2 12:26:43 ubuntu-desktop kernel: [ 5533.792017] [drm:i915_gem_idle] 
*ERROR* hardware wedged

So after a reboot (pressing the power button seems to more-or-less
cleanly shutdown), at GRUB, I've pressed 'e' to edit and after quiet
splash I've added i915.modetest=1 (no quotes).

After that, I can go to the screen saver preferences and there is no
black screen/crash. Screensaver comes in after the specified time and
works, probably slowly, though.

However, I then realised that modetest should have been modeset. So, not 
surprisingly,
syslog reports:

kernel: [   18.768163] i915: Unknown parameter `modetest'

If I use modeset=0, or modeset=1, then the blanking/crash still
happens when I go to the screensaver preferences.

So, modetest=0 or modetest=1 (either one avoids the blanking) is doing
*something*. But what, and why?

Anyway, I'm happy to live with this until the official release of
Maverick, which hopefully will solve things.

-- 
MASTER: [i845] GPU lockup (apport-crash) (Should KMS be blacklisted?)
https://bugs.launchpad.net/bugs/541492
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which is the registrant for xf86-video-intel.

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[Ubuntu-x-swat] [Bug 341898] Re: MythTV Frontend does not work with RADEON DRI

[oblong]

Thanks to everybody who helped on this. My report is for Ubuntu 9.04
with Mythbuntu 9.04 using Radeon 9200 (RX280) using the open source
radeon driver (I think; I uninstalled fglrx with: sudo apt-get remove
--purge xorg-driver-fglrx).

For me, adding 'export XLIB_SKIP_ARGB_VISUALS=1' to /etc/mythtv
/session-settings didn't help. But inserting:

export XLIB_SKIP_ARGB_VISUALS=1
into the file:
/usr/share/mythtv/mythfrontend.sh

did work.

-- 
MythTV Frontend does not work with RADEON DRI
https://bugs.launchpad.net/bugs/341898
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which is subscribed to xorg-server in ubuntu.

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