[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2021-09-12 Thread thom
** Changed in: linux (Ubuntu)
   Status: Fix Committed => Fix Released

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Fix Released

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-10-20 Thread Boris Gjenero
I wonder if this is the same bug which I am seeing on my Dell Inspiron
6400 laptop with Radeon X1400 video. Occasionally I get white lines
which are very similar to the
https://www.youtube.com/watch?v=nx2-Fvihzxg video posted at the
beginning. The only difference is that more lines are present at screen
edges and high contrast borders. Line length and the way they flicker is
very similar.

This problem has been present over multiple Ubuntu versions, and is
still present in 64-bit Ubuntu 16.10 with kernel 4.8.0-26-generic. In
the past I posted about the problem at:
https://ubuntuforums.org/showthread.php?t=2322535

Sometimes I've gotten worse corruption like how Ivan Zakharyaschev (imz)
wrote "sometimes the flickering did appear as some regions (with text)
displayed at another place on the screen appearing extremely quickly and
transparently also at a wrong places at the top." This is more rare than
the white lines, and has not happened in Ubuntu 16.10 yet.

Changing video modes can start or stop corruption. So, if I have
corruption, run a script which uses xrandr to change to a lower
resolution and back to the native resolution. This usually works in one
try but sometimes takes a few tries. The problem happens rarely enough
that it's not a big deal, but a fix would be nice.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Fix Committed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-08-30 Thread thom
@Ivan: There is a slight possibility that the patch could work for you
(I don't know because I don't have that hardware). You could test by
installing kernel 4.7 from mainline.

The probable cause of the flickering is PLL-resonance which only seems
to affect LVDS and only on older GPU-chips. It is mitigated by switching
off the fractional divider of the PLL when an LVDS is connected, which
is exactly what the patch is doing for chips like RS780/880 (R600) and
older.

@everyone:
The patch is in kernel 4.7 now so there is no need anymore to post your results 
here. Thank you all very much for what you posted thus far; It turned out to be 
quite helpful.

If the patch is not working for you, you are probably hitting a
different bug. Please commit a new bugreport in that case.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Fix Committed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-08-30 Thread Ivan Zakharyaschev
I'm afraid my case is different (drm:radeon_compute_pll_legacy).

Perhaps, it's a matter of forcing a better modeline for the LCD, like
here -- https://forums.gentoo.org/viewtopic-t-984216-start-0.html .
Although mostly I observed the flickering as horizontal lines/line
segments, sometimes the flickering did appear as some regions (with
text) displayed at another place on the screen appearing extremely
quickly and transparently also at a wrong places at the top.

I can try this if I get again to this machine.

This seems to be noticable if there are several complex graphical
windows like ownclowd-client (Qt), qupzilla (Qt), Firefox (gtk).

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Fix Committed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-08-28 Thread Ivan Zakharyaschev
4.4.19-std-def-alt0.M80P.1 (not Ubuntu, but still might be important for
collecting the data) with bad flickering

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV360 
[Radeon 9600/X1050 Series]
01:00.1 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] RV350 
[Radeon 9600/X1050 Series] (Secondary)

# fgrep -i '[drm' /var/log/kernel/info | fgrep div | tail
Aug 28 19:35:45 amber kernel: [   10.751094] [drm:radeon_compute_pll_legacy], 
10800 108000, pll dividers - fb: 24.0 ref: 2, post 3
Aug 28 19:37:52 amber kernel: [   12.201155] [drm:radeon_compute_pll_legacy] 
10800 108000, pll dividers - fb: 24.0 ref: 2, post 3
# 

Will this patch need to be adapted for my data?

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Fix Committed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-08-20 Thread thom
Update:

Patch is part of the ubuntu mainline kernel 4.7

I'm running this kernel on ubuntu 16.04 and everything works as perfectly as 
expected.
If anyone of you wants to try:

Read this:
https://wiki.ubuntu.com/Kernel/MainlineBuilds

here is kernel 4.7:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7


** Changed in: linux (Ubuntu)
   Status: Confirmed => Fix Committed

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Fix Committed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-08-14 Thread Gabor Nagy
Same problem on RV710/M92.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-06-21 Thread Chris Bainbridge
Best way would be to get the patch in to the stable series so it's fixed
across all distributions:

https://www.kernel.org/doc/Documentation/stable_kernel_rules.txt

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-06-21 Thread thom
Before I forget:

What can I do to get the patch incorporated in the current LTS release ? 
(Xenial 16.04)
According to Christian König the patch is backwards compatible with the 4.x 
series kernels.

I've tested it (compiled against 4.4.0.26) and it works without problem.

Who do I have to contact to get this patch into the current 4.4 series ?

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-06-13 Thread thom
UPDATE:

Patch submitted by Christian König
Patch applied by Alex Deucher

https://lists.freedesktop.org/archives/dri-devel/2016-June/110724.html

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-06-13 Thread thom
@Tim,
  Sorry to hear about that, so close to the finish.
  Thank you anyway for all the help.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-06-03 Thread Tim
Hello, Thom.

Sadly the old laptop has died 100% (total failure of GPU).

So i can not be of help on this bug for testing any more.

Thank you all for the work, keep going!

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-18 Thread Mrerexx
Radeon HD 3200 & Xubuntu 16.04 (4.4.0.21-generic) ISO booted from the
USB drive:

xubuntu kernel: [   11.195154] [drm:radeon_compute_pll_avivo] 69300 -
69290, pll dividers - fb: 135.5 ref: 2, post 14

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-17 Thread thom
@Marius, Yes, thanks, that is exactly what I needed. 
That one line plus your card model. Excellent.

I need it from as much people (i.e. affected hardware) as possible .

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-17 Thread Marius J.
I'm also hit by the bug on Ubuntu 16.04 with kernel 4.4.0-22-generic and
a Radeon Mobility HD4670.

@thom : the grep command return only the following line :

kernel: [3.760078] [drm:radeon_compute_pll_avivo] 107000 - 106980,
pll dividers - fb: 63.4 ref: 2, post 8

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-17 Thread thom
Tim, Mrerexx and anyone who is hit by this bug:

I am testing a lot at the moment and I need your help.

please boot that problematic kernel with bootoption: drm.debug=4

Then, in a terminal type this:
grep -i "\[drm:" /var/log/kern.log | grep div | tail

post the results here, I'm going to need it

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-08 Thread thom
OK, about the bisect:

c2fb3094669a3205f16a32f4119d0afe40b1a1fd is the first bad commit
Date:   Sun Apr 20 13:24:32 2014 +0200

drm/radeon: improve PLL limit handling in post div calculation

This improves the PLL parameters when we work at
the limits of the allowed ranges.

I reverted this commit (I got some good working tips from Chris
Bainbridge), tested the result with the kernels 4.4.0-rc1 and 4.6.0-rc6+
and the problem is completely gone. I ended up with a good stable and
rock-solid display output without artefacts.

I could test against some other kernels if any of the devs here would
like me to do that.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-04 Thread thom
Maybebut it is not supposed to cause such weird side effects

I ended up doing a git bisect myself on this issue:

https://bugs.freedesktop.org/show_bug.cgi?id=87682
(because it's an upstream bug)

Anyone any tips how to continue ?

** Bug watch added: freedesktop.org Bugzilla #87682
   https://bugs.freedesktop.org/show_bug.cgi?id=87682

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-03 Thread Mrerexx
thom,  VGA output is better. There is some flickering (no white lines,
though) but my D-Sub cable is cheap.

AFAIK, HP has disabled ATI PowerPlay in models with Athlon or Sempron
CPUs. Maybe that's the culprit.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-02 Thread thom
Mrerexx, could you perhaps test if your VGA output on that laptop is unaffected 
?
My VGA-output seems to work without problems and only LVDS seems affected.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-02 Thread thom
Mrerexx, I can confirm this... I have the EXACT same laptop model (I rarely use 
nowadays) and just checked it.
Indeed this model still has the same problems with the newer kernels.

Since this is an upstream bug, please follow this link [ 
https://bugzilla.kernel.org/show_bug.cgi?id=83461 ] and mention it there.
I don't think many people (or developers) have hardware vulnerable to this bug 
so you might be asked to test some patches.

In a few days I hope to be able to add some information there myself.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-05-02 Thread Mrerexx
Xubuntu 16.04 LTS still gives me artifacts. I'm using HP Compaq 6735s
with Athlon 64 X2 QL-60 & Radeon HD 3200.

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-04-26 Thread Tim
Great news!

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-03-04 Thread thom
According to bugzilla:
(https://bugzilla.kernel.org/show_bug.cgi?id=83461)

32167016076f714f0e35e287fbead7de0f1fb179 seems to be the first bad
commit

bug seems to affect only the RS880 series and older

Christian König  proposed a patch to limit the reference divider to fix
this and it seems to work.

Alex Deucher has committed it upstream
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=72edd83cc9e5819ed1ee771519143d7594e059f0

Hope it will land soon in Ubuntu.


** Bug watch added: Linux Kernel Bug Tracker #83461
   http://bugzilla.kernel.org/show_bug.cgi?id=83461

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-01-22 Thread Joseph Salisbury
** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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[Kernel-packages] [Bug 1479136] Re: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

2016-01-21 Thread Chris Bainbridge
To get this fixed you'd need to do a git bisect between 3.13 and 3.16 to
find the bad commit, and then report the bug upstream to
bugs.freedesktop.org.

** Package changed: ubuntu => linux-meta (Ubuntu)

** Package changed: linux-meta (Ubuntu) => linux (Ubuntu)

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Title:
  [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu-Mate 14.04.2

  This is what I get if I run a kernel newer than 3.13: 
https://www.youtube.com/watch?v=nx2-Fvihzxg
  sorry for the link, I just don't know how to describe these artefacts 
verbally.
  (a storm of small horizontal moving blips from right to left ??)

  Those artefacts appear as soon as new kernel is selected in GRUB, and
  remain during the whole session.

  The lastest kernel (from the main repository that is) working without
  artifacts is v3.13.0.59. All later kernels have artifacts. All later
  kernels also are either "-utopic" or "-vivid" instead of "-trusty",
  but I do not know if it is related.

  
  GPU: Mobility Radeon HD 3200 (RS780M)
  System: Ubuntu Mate 14.04.2  32-bit

  Kernels tested: 3.13.0.59 (and earlier) , 3.16.0.45 , 3.19.0.25 
  Only  3.13.0.59 (and earlier) are without problems.

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