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https://bugs.launchpad.net/bugs/1791312
Title:
ubuntu 18.04
https://sattamatkamarket.in/
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
To manage notifications about this bug go to:
https://lkml.org/lkml/2020/8/25/934
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
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Hello,
... good news! "lp1861554-2/" seems to work!
I got: linux-image-5.9.0-rc1+
giving:
- Linux version 5.9.0-rc1+ (khfeng@ubuntu)
- /lib/modules/5.9.0-rc1+/kernel/drivers/gpu/drm/radeon/radeon.ko
size: 2244937 date: Aug 17 11:19
- radeon driver still tells: 2.50.0 20080528 (see: dmesg)
Ok, can you please test this one:
https://people.canonical.com/~khfeng/lp1861554-2/
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
To
Hello,
I've tested your kernel Linux version 5.8.0+ (khfeng@ubuntu) and
unfortunately the screen on my system flickers again!
You may watch some videos:
flicker_5.8.0.mpg via
https://drive.google.com/file/d/1mHsmJcgkMf7H26kQSFrhccTkdOju4APe/view?usp=sharing
flicker1_5.8.0.mpg
Hello,
I've tested the khfeng-kernel Linux version 5.8.0+ (khfeng@ubuntu) and
unfortunately the screen on my system flickers again!
You may watch some videos:
flicker_5.8.0.mpg via
https://drive.google.com/file/d/1mHsmJcgkMf7H26kQSFrhccTkdOju4APe/view?usp=sharing
flicker1_5.8.0.mpg
Werner,
Can you please test the kernel here:
https://people.canonical.com/~khfeng/lp1861554/
I'd like to see if fix for LP: #1861554 doesn't introduce a regression
on your system.
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I still have flickering problems with the X1300, kernel 5.4, Ubuntu
20.04.
$ lspci | grep Radeon
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV515/M52 [Mobility Radeon X1300]
$ uname -r
5.4.0-33-generic
$ lsb_release -r
Release:20.04
The display is a laptop
The patch 2e26ccb119bde03584be53406bbd22e711b0d6e6 created for this bug brokes
the ATI Radeon HD3450/70 RV620 card. Please take a look at bug #1861554 and
freedesktop issue here:
https://gitlab.freedesktop.org/drm/amd/issues/1045
** Bug watch added: gitlab.freedesktop.org/drm/amd/issues #1045
I did the verification with 18.04 "Bionic" and it was o.k; see Comment# 72.
But I don't have a 16.04 "Xenial" installation, so I can't verify this version.
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag
** Tags added: cscc
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
To manage notifications about this bug go to:
This bug was fixed in the package linux - 5.0.0-21.22
---
linux (5.0.0-21.22) disco; urgency=medium
* linux: 5.0.0-21.22 -proposed tracker (LP: #1834902)
* Disco update: 5.0.15 upstream stable release (LP: #1834529)
- net: stmmac: Use bfsize1 in ndesc_init_rx_desc
-
This bug was fixed in the package linux - 4.15.0-55.60
---
linux (4.15.0-55.60) bionic; urgency=medium
* linux: 4.15.0-55.60 -proposed tracker (LP: #1834954)
* Request backport of ceph commits into bionic (LP: #1834235)
- ceph: use atomic_t for ceph_inode_info::i_shared_gen
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
To
I've tested the kernel from
http://at.archive.ubuntu.com/ubuntu bionic-proposed/main amd64 Packages
linux-headers-4.15.0-55-generic Linux kernel headers for version 4.15.0 on
64 bit x86 SMP
linux-image-4.15.0-55-generic Signed kernel image generic
linux-modules-4.15.0-55-generic Linux
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
cosmic' to 'verification-done-cosmic'. If the problem still exists,
change the tag
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
disco' to 'verification-done-disco'. If the problem still exists, change
the tag
Hi Werner,
The fix for this bug hasn't been released yet, so kernel 4.15.0-54 is
expected to still have the issue. A new kernel version containing the
fix is planned to be published to -proposed this week and an automated
comment will be added when the new version is available for testing.
instead of "In Progress" I better set the Status to "Confirmed"
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Confirmed
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Fix in Bionic does NOT work; see comment #65
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => In Progress
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Title:
ubuntu
today I've updated the kernel to the current version 4.15.0-54 and ... the
screen flickers again (!!!)
while the version from https://launchpad.net/~kaihengfeng is working
perfectly!!!
The differences:
current kernel 4.15.0-54: radeon.ko version: 2.50.0; module-size: 2342342
kaihengfeng kernel
** Changed in: linux (Ubuntu Bionic)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Cosmic)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Disco)
Status: New => Fix Committed
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** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
** Description changed:
+ === SRU Justification ===
+ [Impact]
+ Screen flickers when using radeon.ko.
+ It's a regression, it didn't happen on Trusty.
+
+ [Fix]
+ Quote the original commit log:
+ "Instead of the closest reference divider prefer the lowest".
+
+ [Test]
+ Affected user confirms
I've tested the kernel 4.15.0-52 (from khfeng) on my laptop and found: THE
FLICKERING IS GONE!
Screen is O.K. in text and graphic - mode. Console switching works too.
So, Paul's bugfix seems to work! Many thanks!
I found one small thing:
the new radeon.ko - module identifies itself still as
"...
Please test kernel here:
https://people.canonical.com/~khfeng/lp1791312/
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
To manage
** Changed in: linux
Status: Confirmed => Fix Released
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
To manage notifications
The patch is included in:
Linux 4.14.125
Linux 4.19.50
Linux 5.1.9
I don't have access to the laptop on which I investigated this problem anymore.
But it could be tested from the built kernel packages at:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14.125/
Launchpad has imported 36 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=108514.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
Being fixed in upstream
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-
next-5.2=2e26ccb119bde03584be53406bbd22e711b0d6e6
Maybe a candidate for SRUs too after the fix hits eoan (19.10).
** Also affects: linux via
https://bugs.freedesktop.org/show_bug.cgi?id=108514
Importance:
Paul,
Since you already bisected the commit, please file an upstream bug at
https://bugs.freedesktop.org/
Product: DRI
Component: DRM/Radeon
So the radeon maintainers can work on a fix.
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** Tags added: patch
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
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** Patch added: "patch radeon-display.c for latest kernel (5.0.0rc7)"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1791312/+attachment/5240017/+files/radeon-display.patch
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Same problem here: Laptop is a HP 255 G6 based on AMD E2-9000e, Ubuntu
is 18.04 64 bits, kernel 4.15.0-45-generic, wide monitor is LG LG
25UM58-P, 2560x1080.
It does not always flicker, but it does when playing video or when using
applications in full screen mode (or in general when using most of
Same laptop, same problem.
Thanks for workaround using commands: xrandr ..; sleep 2; xrandr ...;
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Title:
ubuntu 18.04 flickering screen with
Well, It seems to take more than 12 hours ( I did stopped it ) to compile a
kernel (many features deactivated) on my atom based laptop. Will retry.
But the line I wanted to comment out does not seems to exist anymore.
But I found that the function to select PLL values show them before returning
Indeed, the two radeon parameters for PLL mention in previous message
does not seems to appear anymore in modinfo radeon.
paul@paul-NC210-NC110:~/linux-stable$ git log --oneline v3.15-rc1..v3.15-rc2 |
grep radeon
bcddee29b0b8 drm/radeon/ci: make sure mc ucode is loaded before checking the
size
From: https://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc2-trusty/CHANGES
I see the folowing changes for radeon:
Alex Deucher (13):
drm/radeon/dp: handle zero sized i2c over aux transactions (v2)
drm/dp/i2c: send bare addresses to properly reset i2c connections (v4)
Ok, I have access at "work" on a Compaq nx9420, for a few days.
linux 3.15.0-rc2 is first one to flickers, but goes to busybox
linux 3.15.0-rc1 does not flickers, but goes to busybox
I found: mounting /dev/sda1 on /root: invalid argument
and then initrd not mounting.
previous version,
.. as recommended I tried 3.14.79-031479-generic;
giving me radeon.ko version 2.37.0 and the screen is o.k. No flickering.
btw. I had the same result e.g. with "puppy_tahr 6.0.5 boot CD" which has the
same radeon-version (2.37.0).
My guess: the flickering-problem starts with radeon 2.39.0
I just retried by installing headers, then reinstall kernel-generic.
This time wifi works.
Note that these packages won't show in Synaptic.
Will show in dpkg -l|grep kernel. Use dpkg -r to remove them.
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Bugs, which is
Well, I tested on my laptop with:
paul@paul-NC210-NC110:~$ cat /proc/version
Linux version 3.14.79-031479-generic (kernel@gloin) (gcc version 4.8.4 (Ubuntu
4.8.4-2ubuntu1~14.04.3) ) #20160910530 SMP Sun Sep 11 09:41:06 UTC 2016
When I used gdebi to install the kernel .deb, in the details, there
Thanks for trying the tearfree option! (ok, it don't work)
By reading: https://wiki.ubuntu.com/Kernel/MainlineBuilds
I discovered: http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
which would allow to download prebuild .deb for old mwainline kernels.
I am a bit sceptical if new versions
I tried the glamor / tearfree - advice, but: with NO success; still flickering.
And, btw.: I don't think the flickering is an Xorg-issue;
it starts in "textmode" (!!) as soon as the radeon-kernel-driver loads. I think
the kernel-driver
does NOT read Xorg-configurations.
Just for fun, I've
Someone said:
"I tried this with a Ubuntu 17.10 and could not boot. I had to use a rescue
boot and remove the lines again to get it up and running."
from:https://askubuntu.com/questions/794865/16-04-ati-mobility-radeon-x1600-full-resolution-flickering
So, try with care!
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I guess I would rather add the two option lines (with same indentation) to:
file:///usr/share/X11/xorg.conf.d/10-radeon.conf
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Title:
ubuntu
The bug have been reported upstream:
https://bugs.freedesktop.org/show_bug.cgi?id=108514
https://forums.linuxmint.com/viewtopic.php?t=229387
suggest the bug could be "fixed" by creating
/usr/share/X11/xorg.conf.d/20-radeon.conf with:
Section "Device"
Identifier "Radeon"
Driver
Sorry, but it turned out that the flickering-issue is NOT really fixed with the
upstream-kernel.
Sometimes a boot again ends in a flickering screen as before.
Now I have the following scenario:
- boot 14.04.5 LTS with kernel 3.13.0-157
-> screen is ALWAYS o.k.; NO flickering
- boot 18.04.1 LTS
** Tags removed: kernel-fixed-upstream
** Tags added: kernel-bug-exists-upstream
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Title:
ubuntu 18.04 flickering screen with Radeon X1600
To
I tested the flickering-issue with the upstream-kernel
"linux-image-unsigned-4.19.0-041900rc3-generic_4.19.0-041900rc3.201809120832_amd64.deb"
and it seemed to be fixed!
No more flickering.
So I added the tag "kernel-fixed-upstream" to this report.
** Tags added: kernel-fixed-upstream
**
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.19 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
I attached a short video-clip (MOV03422.MPG) showing the flickering
screen; that flickering continues in grafic-mode too ...
** Attachment added: "MOV03422.MPG"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1791312/+attachment/5186833/+files/MOV03422.MPG
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you can find the missing logfile as attachment:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1791312/+attachment/5186052/+files/apport.linux-image-4.15.0-33-generic.s5j_wb2y.apport
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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