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Old 06-22-2018, 03:09 PM   #31
Darth Vader
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Quote:
Originally Posted by dugan View Post
Also, Darth_Vader: can I confirm that you're running Slackware-current, and you're using the open source drivers for your HD5450?
I run on every test system the Slackware-current, with the open source drivers in all of them, being fanatically updated and today I use the LTS release of Eric's Plasma5 (latest)

Excluding the Plasma5, in every one of them are installed: SMPlayer, Chromium (with PeperFlash), FlashPlayer and LibreOffice. Nothing more.

I have distinct playground computers (where I play with -current and Plasma5) and work computers, where I run 14.1.
 
Old 06-22-2018, 03:11 PM   #32
orbea
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Quote:
Originally Posted by Alien Bob View Post
I always wonder who would ever buy Radeon... Me, never did and never will, Radeon has a history of bad Linux support.
If it does not work with Plasma, perhaps you'll get farther by telling the AMD people to do a better job at writing drivers. Apparently they are not so good at writing open source software as you think. Do they have a repository and a bug tracker? Then that's where I would start. Instead of shifting the blame to KDE. Stop buying AMD GPU's and that might convince them that they have to start taking Linux seriously.
You shouldn't listen to Darth. AMD currently offers excellent support in mesa and the kernel for their video drivers.
 
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Old 06-22-2018, 03:12 PM   #33
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Okay, you two who had issues with Plasma 5 and have never run any other OpenGL apps:

have you confirmed that the cause of your issue isn't your video card overheating?
 
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Old 06-22-2018, 03:13 PM   #34
Darth Vader
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Quote:
Originally Posted by orbea View Post
You shouldn't listen to Darth. AMD currently offers excellent support in mesa and the kernel for their video drivers.
I do not blame the AMD drivers, I blame the Plasma5.
 
Old 06-22-2018, 03:13 PM   #35
dugan
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Quote:
Originally Posted by Darth Vader View Post
I do not blame the AMD drivers, I blame the Plasma5.
So your answer is "I refuse to answer this question"?

Well then...

Last edited by dugan; 06-22-2018 at 03:15 PM.
 
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Old 06-22-2018, 03:16 PM   #36
dugan
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Quote:
Originally Posted by orbea View Post
You shouldn't listen to Darth. AMD currently offers excellent support in mesa and the kernel for their video drivers.
Hey.....

Do you have access to an AMD GPU, and would you be able to give us a report on how well Plasma 5 runs on it?
 
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Old 06-22-2018, 03:21 PM   #37
Darth Vader
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Quote:
Originally Posted by dugan View Post
Okay, you two who had issues with Plasma 5 and have never run any other OpenGL apps:

have you confirmed that the cause of your issue isn't your video card overheating?
At least myself, I have no passion for OpenGL apps. And I started to hate a particular OpenGL driven app: Kwin.

Talking about overheating, all my video-cards are either in motherboards or low-power of 18W or something. Passive cooled. I do not think that can appear overheating on their case.

Every computer case I believe to have an good air flow, as they usually have 2x 120mm fans. And for example, this is what says the sensors in the computer where I type:
Code:
bash-4.4# sensors
it8718-isa-0e80
Adapter: ISA adapter
Vcore:        +1.20 V  (min =  +0.85 V, max =  +1.60 V)
+1.1V:        +1.10 V  (min =  +1.04 V, max =  +1.33 V)
+3.3V:        +3.27 V  (min =  +2.97 V, max =  +3.64 V)
+5V:          +4.98 V  (min =  +4.76 V, max =  +5.25 V)
+12V:        +11.77 V  (min = +10.23 V, max = +13.83 V)
5VSB:         +4.92 V  (min =  +4.76 V, max =  +5.25 V)
Vbat:         +3.33 V  
CPU Fan:     2242 RPM  (min =  300 RPM)
SYS Fan:     1146 RPM  (min =  300 RPM)
CPU Temp:     +40.0C  (low  =  +0.0C, high = +65.0C)  sensor = thermal diode
System Temp:  +47.0C  (low  =  +0.0C, high = +55.0C)  sensor = thermistor
NB Temp:      +46.0C  (low  =  +0.0C, high = +55.0C)  sensor = thermal diode
NB is for the RS780G northbridge, where is also the integrated video, an Radeon HD3200.

"high" value is what I considered myself, well... high, as the sensors have custom configs, well tuned in comparation with the BIOS info.

PS. The fans can reach in a lengthy full load 3600RPM (CPU) and 2200RPM (SYS), for a temperature rising around 55C on all thermal sensors, to have a figure about what my BIOS consider is need for temperature control.

PS2. The second case fan is an 120mm thermistor controlled one, connected directly to a 12V IDE line. No reports there but it runs around half of power, then ~1000RPM.

Last edited by Darth Vader; 06-22-2018 at 03:34 PM.
 
Old 06-22-2018, 03:22 PM   #38
Darth Vader
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Quote:
Originally Posted by dugan View Post
So your answer is "I refuse to answer this question"?

Well then...
In that post you refer, I responded to @orbea, not to you. For you I made another post. The one right before this one.

Last edited by Darth Vader; 06-22-2018 at 03:32 PM.
 
Old 06-22-2018, 03:27 PM   #39
orbea
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I don't, I bought Nvidia instead of AMD and am still regretting it! Its true that AMD support historically hasn't always been good in linux and this might still be true for older hardware, but I've spent a bit of time lurking graphics communities and its clear this is no longer true for newer hardware. Intel graphics support should be good too, but their recent troubles with their CPUs have discouraged me...

Nvidia has performance, but at the cost of not playing well with other programs. For example when the xorg api or kernel is updated it often breaks for the Nvidia blob... On the other hand nouveau doesn't have this issue, but instead is an imperfect driver with poor support for newer hardware, sometimes lacking performance and many remaining bugs. Considering Nvidia doesn't share documentation or firmware with them in a timely manner if at all and their severe lack of developers I think they have done very well.
 
Old 06-22-2018, 03:38 PM   #40
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Quote:
Originally Posted by Alien Bob View Post
I always wonder who would ever buy Radeon...
Because Romania is flooded with defective Radeon cards.

What else am I to conclude from the fact that he bought so many (so many) and none of them work properly?

I mean, it definitely isn't an issue with Plasma 5. Sure, it's possible that the KDE team messed up their OpenGL programming to that extent, resulting in issues that obvious on equipment that common, but I don't find that to be very likely.

Last edited by dugan; 06-22-2018 at 03:45 PM.
 
Old 06-22-2018, 03:46 PM   #41
Darth Vader
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Quote:
Originally Posted by dugan View Post
Because Romania is flooded with defective Radeon cards.

What else am I to conclude from the fact that he bought so many (so many) and none of them work properly?

I mean, it definitely isn't an issue with Plasma 5. Sure, it's possible that the KDE team messed up their OpenGL programming to that extent, resulting in issues that obvious on equipment that popular, but I don't find that to be very likely.
Excuse me? At least the computer where I type is an Acer Veriton D420 bought from Germany. OK, I replaced the hard drives in the meantime, BUT the video-card in on-board.

In other hand, all my computers runs well the Slackware-current with the shipped KDE4 and Windows, even with those "defective" video-cards.

Last edited by Darth Vader; 06-22-2018 at 03:48 PM.
 
Old 06-22-2018, 03:53 PM   #42
ZhaoLin1457
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Quote:
Originally Posted by dugan View Post
Okay, you two who had issues with Plasma 5 and have never run any other OpenGL apps:

have you confirmed that the cause of your issue isn't your video card overheating?
Certainly no overheating issues here. It is a mini-ATX board mounted in a gamming case with 3 fans, which happened to find it cheap in a black friday.
 
Old 06-22-2018, 03:55 PM   #43
dugan
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Quote:
Originally Posted by ZhaoLin1457 View Post
Certainly no overheating issues here. It is a mini-ATX board mounted in a gamming case with 3 fans, which happened to find it cheap in a black friday.
You still want to check the GPU's internal temperature though. The HSF actually mounted on the GPU, the sealant used to attach the GPU, those matter too. This is one of the first things to look into if you're having graphical artifacts.
 
Old 06-22-2018, 04:03 PM   #44
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Originally Posted by dugan View Post
You still want to check the GPU's internal temperature though. The HSF actually mounted on the GPU, the sealant used to attach the GPU, those matter too. This is one of the first things to look into if you're having graphical artifacts.
The temperature reported by the Radeon sensor is around 50-55C and it runs fine some light games like Tux Racer. Even after the icons issue appear, looking that the artifacts appear at GUI level and only there, then I do not think they are really "graphical artifacts" but rather "desktop artifacts".

The video card is this: https://www.gigabyte.com/us/Graphics...R435OC-512I#ov

I will do tomorrow a clean install of -current in another partition, to make comparation with KDE4 as today, but I do not think I seen that on KDE4.

Last edited by ZhaoLin1457; 06-22-2018 at 04:05 PM.
 
Old 06-22-2018, 04:08 PM   #45
dugan
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Quote:
Originally Posted by ZhaoLin1457 View Post
From that page:

Quote:
OpenGL: 2.1
Yes, OpenGL 2.1 is supposed to be explicitly supported by Plasma 5. I'm only pointing this out so that anyone who actually tries to debug this is aware of the setup.

Last edited by dugan; 06-22-2018 at 04:15 PM.
 
  


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