Re: [CentOS] bad text under KDE and C7

2018-07-22 Thread Michael Hennebry

On Sun, 22 Jul 2018, Michael Hennebry wrote:


The next thing on my list is to try MemTest86+ with SMP.


5 hours in SMP mode, no errors.

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Re: [CentOS] bad text under KDE and C7

2018-07-22 Thread Michael Hennebry

On Sat, 21 Jul 2018, Pete Biggs wrote:


First, check the memory - MemTest86+ is the tool most people use for
this. Run it on your system and it will highlight memory problems. It
can be found at www.memtest.org - the precompiled versions are tiny and
will fit on a floppy (or memory stick or CD).


Ran MemTest86+.
While I was deciding what to tell it,
it started in upiprocesor mode.

After reading about kernel option, tried C7 LIve again.
Got panic again.
Tried again with nosync.
Gpt panic again.
What got C7 to boot was acpi=off and nosmp.

Tried to play the Big Bunny file.
Got fullscreen mode, the first and last images and audio.
No complaints.
Eventaully figured out how to get it out of fullscreen mode.
Big Bunny played without the shutter effect.

The next thing on my list is to try MemTest86+ with SMP.

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Re: [CentOS] bad text under KDE and C7

2018-07-22 Thread Michael Hennebry

On Sun, 22 Jul 2018, Pete Biggs wrote:


(Yes I know the relationship).
I'm told I couldn't install Fedora on a machine because a


A machine, a now-defuct DakTech machine that I bought new.
My current machine is an HP that I bought used.
Did not mean to confuse.


kernel bug affected precisely one kind of motherboard, mine.
I'm also told the bug was supposedly fixed,
but I was never able to run any later Fedora on that machine.


You never mentioned that you had previously had issues with Fedora on
the machine - not even when I suggested you run a Live version of
Fedora to provide different drivers. Not even when you got kernel
panics when booting the live Fedora did you mention this was a known
issue.


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Re: [CentOS] bad text under KDE and C7

2018-07-21 Thread Pete Biggs


> > I don't necessarily mean the video - kernel panics are rarely to do
> > with something that far removed from the CPU. I mean test the hardware
> > of your computer.
> 
> I'll do the testing suggested.  The machine is rather old.
> HP Compaq dc5800 sff (small form factor)
> I would not be surprised if the kernel
> just did not like my motherboard any more.

It is very rare that old motherboards (or rather chipsets) stop being
supported - I have CentOS 7 running on 10, 15 yr old kit. You get a lot
more problems with new motherboards than you get with old ones.

> 
> Even after I figure out the kermal panics,
> the video will still be an issue.

They may well be linked.

> 
> > First, check the memory - MemTest86+ is the tool most people use for
> > this. Run it on your system and it will highlight memory problems. It
> > can be found at www.memtest.org - the precompiled versions are tiny and
> > will fit on a floppy (or memory stick or CD).
> > 
> > If that doesn't detect anything try running a hardware diagnostic -
> > there's a load on the UBCD (www.ultimatebootcd.com) or Hiren's BootCD (
> > www.hiren.info).  You might want to download one of those anyway as
> > they both contain MemTest86+.
> > 
> > None of this needs you to open the case.
> 
> That is good.
> 
> My suspicion is that this is a repeat of what sent me to Centos from Fedora.
> (Yes I know the relationship).
> I'm told I couldn't install Fedora on a machine because a
> kernel bug affected precisely one kind of motherboard, mine.
> I'm also told the bug was supposedly fixed,
> but I was never able to run any later Fedora on that machine.

You never mentioned that you had previously had issues with Fedora on
the machine - not even when I suggested you run a Live version of
Fedora to provide different drivers. Not even when you got kernel
panics when booting the live Fedora did you mention this was a known
issue.

P.
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Re: [CentOS] bad text under KDE and C7

2018-07-21 Thread Michael Hennebry

On Sat, 21 Jul 2018, Pete Biggs wrote:


On Fri, 2018-07-20 at 10:10 -0500, Michael Hennebry wrote:

On Tue, 17 Jul 2018, Pete Biggs wrote:


Check your hardware - all these things might well be symptomatic of an
hardware issue.


I'm not at all sure how.
If it means opening the case,
hardware issues are likely to occur.

Is there a way to tell whether the video
player is even using video acceleration?



I don't necessarily mean the video - kernel panics are rarely to do
with something that far removed from the CPU. I mean test the hardware
of your computer.


I'll do the testing suggested.  The machine is rather old.
HP Compaq dc5800 sff (small form factor)
I would not be surprised if the kernel
just did not like my motherboard any more.

Even after I figure out the kermal panics,
the video will still be an issue.


First, check the memory - MemTest86+ is the tool most people use for
this. Run it on your system and it will highlight memory problems. It
can be found at www.memtest.org - the precompiled versions are tiny and
will fit on a floppy (or memory stick or CD).

If that doesn't detect anything try running a hardware diagnostic -
there's a load on the UBCD (www.ultimatebootcd.com) or Hiren's BootCD (
www.hiren.info).  You might want to download one of those anyway as
they both contain MemTest86+.

None of this needs you to open the case.


That is good.

My suspicion is that this is a repeat of what sent me to Centos from Fedora.
(Yes I know the relationship).
I'm told I couldn't install Fedora on a machine because a
kernel bug affected precisely one kind of motherboard, mine.
I'm also told the bug was supposedly fixed,
but I was never able to run any later Fedora on that machine.

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Re: [CentOS] bad text under KDE and C7

2018-07-21 Thread Nicolas Kovacs
Le 10/07/2018 à 08:26, Michael Hennebry a écrit :
> KDE is not doing so well either.

Here's what KDE on CentOS looks like here:

https://i1.wp.com/blog.microlinux.fr/wp-content/uploads/2017/01/centos-7-kde.png?ssl=1

Cheers,

Niki

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Re: [CentOS] bad text under KDE and C7

2018-07-21 Thread Pete Biggs
On Fri, 2018-07-20 at 10:10 -0500, Michael Hennebry wrote:
> On Tue, 17 Jul 2018, Pete Biggs wrote:
> 
> > Check your hardware - all these things might well be symptomatic of an
> > hardware issue.
> 
> I'm not at all sure how.
> If it means opening the case,
> hardware issues are likely to occur.
> 
> Is there a way to tell whether the video
> player is even using video acceleration?
> 

I don't necessarily mean the video - kernel panics are rarely to do
with something that far removed from the CPU. I mean test the hardware
of your computer.

First, check the memory - MemTest86+ is the tool most people use for
this. Run it on your system and it will highlight memory problems. It
can be found at www.memtest.org - the precompiled versions are tiny and
will fit on a floppy (or memory stick or CD).

If that doesn't detect anything try running a hardware diagnostic -
there's a load on the UBCD (www.ultimatebootcd.com) or Hiren's BootCD (
www.hiren.info).  You might want to download one of those anyway as
they both contain MemTest86+.

None of this needs you to open the case.

P.

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Re: [CentOS] bad text under KDE and C7

2018-07-20 Thread Michael Hennebry

On Tue, 17 Jul 2018, Pete Biggs wrote:


Check your hardware - all these things might well be symptomatic of an
hardware issue.


I'm not at all sure how.
If it means opening the case,
hardware issues are likely to occur.

Is there a way to tell whether the video
player is even using video acceleration?

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Re: [CentOS] bad text under KDE and C7

2018-07-17 Thread mark
Michael Hennebry wrote:
> On Sun, 15 Jul 2018, Pete Biggs wrote:
>> On Sun, 2018-07-15 at 09:06 -0500, Michael Hennebry wrote:
>>
>>> I've been looking.
>>> I keep finding claims that Fedora live CD's exist,
>>> but not actual images.
>>
>> https://getfedora.org/
>>
>> specifically
>>
>> https://getfedora.org/en/workstation/download/
>>
>> What it actually does is to download Fedora Media Writer which when run
>>  downloads the correct image and writes it to a memory stick.
>
> Won't boot for me.
> I keep getting kernel panics and am real tired of the power button.
> I have to boot C6 with acpi=off, but that did not help.
>
> Something about sync, attempt to kill process 1, kernel panic.
> I'll see whether I can find something else.
>
>>> To be clear:
>>> flv and avi caused it to complain about the lack of mp4 codecs.
>>
>> Yes, because MPG codecs are not license free.
>
> I hadn't realized flv and avi were synonyms for mpg.

They're not. Those are two *different* vidao/audio file formats. Each one
needs its own codec.
>
>>> Is there something dragon or totem will play out of the box?
>>>
I like mplayer.

   mark

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Re: [CentOS] bad text under KDE and C7

2018-07-17 Thread Pete Biggs


> > What it actually does is to download Fedora Media Writer which when run
> > downloads the correct image and writes it to a memory stick.
> 
> Won't boot for me.
> I keep getting kernel panics and am real tired of the power button.
> I have to boot C6 with acpi=off, but that did not help.
> 
> Something about sync, attempt to kill process 1, kernel panic.
> 
> I'll see whether I can find something else.

Check your hardware - all these things might well be symptomatic of an
hardware issue.

> 
> > > To be clear:
> > > flv and avi caused it to complain about the lack of mp4 codecs.
> > 
> > Yes, because MPG codecs are not license free.
> 
> I hadn't realized flv and avi were synonyms for mpg.

They're not. flv and avi are containers, mpg is an encoding method that
can be used in those containers. 

P.

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Re: [CentOS] bad text under KDE and C7

2018-07-17 Thread Michael Hennebry

On Sun, 15 Jul 2018, Pete Biggs wrote:


On Sun, 2018-07-15 at 09:06 -0500, Michael Hennebry wrote:

I've been looking.
I keep finding claims that Fedora live CD's exist,
but not actual images.


https://getfedora.org/

specifically

https://getfedora.org/en/workstation/download/

What it actually does is to download Fedora Media Writer which when run
downloads the correct image and writes it to a memory stick.


Won't boot for me.
I keep getting kernel panics and am real tired of the power button.
I have to boot C6 with acpi=off, but that did not help.

Something about sync, attempt to kill process 1, kernel panic.

I'll see whether I can find something else.


To be clear:
flv and avi caused it to complain about the lack of mp4 codecs.


Yes, because MPG codecs are not license free.


I hadn't realized flv and avi were synonyms for mpg.


Is there something dragon or totem will play out of the box?


Probably WebM and OGG video as they are both patent/license free. If
you are looking for something try

 https://commons.wikimedia.org/wiki/File:Big_Buck_Bunny_Trailer_1080p.ogv


Thanks.

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Re: [CentOS] bad text under KDE and C7

2018-07-15 Thread Pete Biggs
On Sun, 2018-07-15 at 09:06 -0500, Michael Hennebry wrote:
> On Sun, 15 Jul 2018, Pete Biggs wrote:
> 
> > > I tried the live DVD from which I installed C7.
> > 
> > I meant to use a live DVD from some other distro so that it had
> > differently compiled drivers - the idea was to eliminate (or otherwise)
> > the drivers from CentOS 7.
> 
> I've been looking.
> I keep finding claims that Fedora live CD's exist,
> but not actual images.

 https://getfedora.org/

specifically 

 https://getfedora.org/en/workstation/download/

What it actually does is to download Fedora Media Writer which when run
downloads the correct image and writes it to a memory stick.

> 
> To be clear:
> flv and avi caused it to complain about the lack of mp4 codecs.

Yes, because MPG codecs are not license free.

> 
> Is there something dragon or totem will play out of the box?
> 
Probably WebM and OGG video as they are both patent/license free. If
you are looking for something try 

  https://commons.wikimedia.org/wiki/File:Big_Buck_Bunny_Trailer_1080p.ogv

(that's an open source, royalty free movie using open codecs).

P.

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Re: [CentOS] bad text under KDE and C7

2018-07-15 Thread Michael Hennebry

On Sun, 15 Jul 2018, Pete Biggs wrote:


I tried the live DVD from which I installed C7.


I meant to use a live DVD from some other distro so that it had
differently compiled drivers - the idea was to eliminate (or otherwise)
the drivers from CentOS 7.


I've been looking.
I keep finding claims that Fedora live CD's exist,
but not actual images.

I did find a C6 live CD.
No go.
Without additional installs, it would not even try.
After accepting its offers to install dragon and totem,
it still would not play any videos.
... not working  falling back to default.
The default was blank.


It would not do videos at all.
It claimed it did not have mp4 codecs.
It made the same complaint about avi and flv files.


That's mainly because they are non-free codecs so aren't included by
default.


To be clear:
flv and avi caused it to complain about the lack of mp4 codecs.

Is there something dragon or totem will play out of the box?

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Re: [CentOS] bad text under KDE and C7

2018-07-15 Thread Pete Biggs


> 
> I tried the live DVD from which I installed C7.

I meant to use a live DVD from some other distro so that it had
differently compiled drivers - the idea was to eliminate (or otherwise)
the drivers from CentOS 7.

> It would not do videos at all.
> It claimed it did not have mp4 codecs.
> It made the same complaint about avi and flv files.

That's mainly because they are non-free codecs so aren't included by
default.

P.
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Re: [CentOS] bad text under KDE and C7

2018-07-14 Thread Michael Hennebry

On Fri, 13 Jul 2018, Michael Hennebry wrote:


On Thu, 12 Jul 2018, Michael Hennebry wrote:


On Thu, 12 Jul 2018, Pete Biggs wrote:


For some reason you say you disliked Gnome - but does Gnome show issues
(they use the same video driver)?


No, neither gnome nor gnome-classic.


The black tape has gone away for KDE also.
Apparently logging out and in again fixed or obscured the problem.


One of them, I think it was gnome-classic,
did videos badly.
It was a bit like a shutter came about a
quarter way down at about once per second.


I'll try the live CD suggested elsewhere.


I tried the live DVD from which I installed C7.
It would not do videos at all.
It claimed it did not have mp4 codecs.
It made the same complaint about avi and flv files.

How would I go about telling whether C7 decided to do software rendering?

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Re: [CentOS] bad text under KDE and C7

2018-07-13 Thread Michael Hennebry

On Thu, 12 Jul 2018, Michael Hennebry wrote:


On Thu, 12 Jul 2018, Pete Biggs wrote:


For some reason you say you disliked Gnome - but does Gnome show issues
(they use the same video driver)?


No, neither gnome nor gnome-classic.


The black tape has gone away for KDE also.
Apparently logging out and in again fixed or obscured the problem.


One of them, I think it was gnome-classic,
did videos badly.
It was a bit like a shutter came about a
quarter way down at about once per second.


I'll try the live CD suggested elsewhere.


Late for work.


Again.

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Re: [CentOS] bad text under KDE and C7

2018-07-12 Thread Pete Biggs
On Thu, 2018-07-12 at 09:06 -0500, Michael Hennebry wrote:
> On Thu, 12 Jul 2018, Pete Biggs wrote:
> 
> > For some reason you say you disliked Gnome - but does Gnome show issues
> > (they use the same video driver)?
> 
> No, neither gnome nor gnome-classic.
> One of them, I think it was gnome-classic,
> did videos badly.
> It was a bit like a shutter came about a
> quarter way down at about once per second.
> 
Hmm, that is usually symptomatic of slow graphics card, but the Intel
graphics chip set should be perfectly OK.

It may be that your particular combination of chipset and driver is
manifesting a bug - or it might be bad hardware.

Try booting a live distro - such as Fedora (other distros are
available). It won't affect your installed data, but it will provide a
different driver to try.

P.

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Re: [CentOS] bad text under KDE and C7

2018-07-12 Thread Pete Biggs


> > A long shot is the theme. Are you using some non-standard theme on your
> > desktop?
> 
> What is a theme?

It's how the desktop looks - colours, icons, widgets that sort of
thing.  Complex themes have a "theme engine" underneath that does a lot
of the hard work of drawing things on the screen

> 
> > Finally, do you have a spare graphics card you could try in the
> > machine? (This is just to make sure there's no hardware problem.)
> 
> Only as a last resort.
> Having already lost a couple graphics cards (not in this machine),
> I open the case rarely and with fear and trepidation.
> 
> When I hover over text, the black tape effect goes away.
> Do graphics cards know about text or hovering?
> 

Not really. But hardware issues may affect the rendering of some
things.

P.
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Re: [CentOS] bad text under KDE and C7

2018-07-12 Thread Michael Hennebry

On Thu, 12 Jul 2018, Pete Biggs wrote:


For some reason you say you disliked Gnome - but does Gnome show issues
(they use the same video driver)?


No, neither gnome nor gnome-classic.
One of them, I think it was gnome-classic,
did videos badly.
It was a bit like a shutter came about a
quarter way down at about once per second.

Late for work.

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Re: [CentOS] bad text under KDE and C7

2018-07-12 Thread Michael Hennebry

On Thu, 12 Jul 2018, Pete Biggs wrote:


The i915 driver is fairly rock solid - virtually all desktop machines
these days have on-board Intel video, it's the lowest common
denominator. And your chipset is not exactly cutting edge stuff.


I bought it used.


Are there any errors in the logs - either kernel logs or X logs?


I'm not seeing anything that seems very interesting.
Xorg.0.log uses the phrase "falling back" a few times.
I expect that just means I've not inerfered with defaults.
boot.log-20180625 does not contain any of the sequences rap, RAP, ideo, IDEO.
dmesg contains graphics and video, but nothing that seems interesting.


For some reason you say you disliked Gnome - but does Gnome show issues
(they use the same video driver)?


I'll try it.


A long shot is the theme. Are you using some non-standard theme on your
desktop?


What is a theme?


Finally, do you have a spare graphics card you could try in the
machine? (This is just to make sure there's no hardware problem.)


Only as a last resort.
Having already lost a couple graphics cards (not in this machine),
I open the case rarely and with fear and trepidation.

When I hover over text, the black tape effect goes away.
Do graphics cards know about text or hovering?

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Re: [CentOS] bad text under KDE and C7

2018-07-12 Thread Michael Hennebry

On Thu, 12 Jul 2018, George Labuschagne wrote:


If it is to just get better font rendering (infinality freetype rendering);
have a look at this gist:


No.  It is to replace the 'black tape'
that covers a lot of text.

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Re: [CentOS] bad text under KDE and C7

2018-07-12 Thread George Labuschagne
If it is to just get better font rendering (infinality freetype rendering);
have a look at this gist:

https://gist.github.com/sunnz/11cd72135a0d6a3ec6b6

it requires the installation of some packages from non fedault repos such as
nux-desktop and sets up a new fonts.conf file.

However, once used, it is impossible to work on a RHEL 7 type system without
this installed. Font rendering looks better than Windows and Ubuntu.

-Original Message-
From: CentOS  On Behalf Of Pete Biggs
Sent: Thursday, 12 July 2018 10:51
To: centos@centos.org
Subject: Re: [CentOS] bad text under KDE and C7


> >   
> > Kernel driver in use: i915
> > Kernel modules: i915
> 
The i915 driver is fairly rock solid - virtually all desktop machines these
days have on-board Intel video, it's the lowest common denominator. And your
chipset is not exactly cutting edge stuff.

Are there any errors in the logs - either kernel logs or X logs?

For some reason you say you disliked Gnome - but does Gnome show issues
(they use the same video driver)?

A long shot is the theme. Are you using some non-standard theme on your
desktop?

Finally, do you have a spare graphics card you could try in the machine?
(This is just to make sure there's no hardware problem.)

P.

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Re: [CentOS] bad text under KDE and C7

2018-07-12 Thread Pete Biggs


> >   
> > Kernel driver in use: i915
> > Kernel modules: i915
> 
The i915 driver is fairly rock solid - virtually all desktop machines
these days have on-board Intel video, it's the lowest common
denominator. And your chipset is not exactly cutting edge stuff.

Are there any errors in the logs - either kernel logs or X logs?

For some reason you say you disliked Gnome - but does Gnome show issues
(they use the same video driver)?

A long shot is the theme. Are you using some non-standard theme on your
desktop?

Finally, do you have a spare graphics card you could try in the
machine? (This is just to make sure there's no hardware problem.)

P.

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Re: [CentOS] bad text under KDE and C7

2018-07-11 Thread Michael Hennebry

On Tue, 10 Jul 2018, mark wrote:


Michael Hennebry wrote:

On Tue, 10 Jul 2018, Frank Cox wrote:

On Tue, 10 Jul 2018 01:29:52 -0500 (CDT)
Michael Hennebry wrote:



Suggestions on how to dignose this?


Sounds like a video driver issue.


In other words, a video driver that almost works.
I expect the first things to do are discover
what video card and video driver I have. Is there a link to what to do
next?

BTW I probably will not be able to
get back to this until tomorrow.


First place to start: lspci


lspci wrote:

00:02.0 VGA compatible controller: Intel Corporation 82Q33 Express Integrated 
Graphics Controller (rev 02)


Googling centos 7 VGA...Controller
tells me that apparently 82Q33 refers to the chipset:
release date 2007.06 .

Don't know whether this helps:
lspci -vv wrote:

00:02.0 VGA compatible controller: Intel Corporation 82Q33 Express Integrated 
Graphics Controller (rev 02) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Device 281e
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR-  [disabled]
Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
Address:   Data: 
Capabilities: [d0] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: i915
Kernel modules: i915



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"Sorry but your password must contain an uppercase letter, a number,
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Re: [CentOS] bad text under KDE and C7

2018-07-10 Thread mark
Michael Hennebry wrote:
> On Tue, 10 Jul 2018, Frank Cox wrote:
>> On Tue, 10 Jul 2018 01:29:52 -0500 (CDT)
>> Michael Hennebry wrote:

>>> Suggestions on how to dignose this?
>>
>> Sounds like a video driver issue.
>
> In other words, a video driver that almost works.
> I expect the first things to do are discover
> what video card and video driver I have. Is there a link to what to do
> next?
>
> BTW I probably will not be able to
> get back to this until tomorrow.
>
First place to start: lspci

mark

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Re: [CentOS] bad text under KDE and C7

2018-07-10 Thread Michael Hennebry

On Tue, 10 Jul 2018, Frank Cox wrote:


On Tue, 10 Jul 2018 01:29:52 -0500 (CDT)
Michael Hennebry wrote:


Suggestions on how to dignose this?


Sounds like a video driver issue.


In other words, a video driver that almost works.
I expect the first things to do are discover
what video card and video driver I have.
Is there a link to what to do next?

BTW I probably will not be able to
get back to this until tomorrow.

--
Michael   henne...@web.cs.ndsu.nodak.edu
"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
 --  someeecards
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Re: [CentOS] bad text under KDE and C7

2018-07-10 Thread Frank Cox
On Tue, 10 Jul 2018 01:29:52 -0500 (CDT)
Michael Hennebry wrote:

> Suggestions on how to dignose this?

Sounds like a video driver issue.

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Re: [CentOS] bad text under KDE and C7

2018-07-09 Thread Michael Hennebry

On Tue, 10 Jul 2018, Michael Hennebry wrote:


I recently installed C7 from a C7+gnome CD.
Gnome was awful enough that I promptly installed KDE.

KDE is not doing so well either.
Text in text editors invoked by "opening" a file is flakey at best.
E.g. pieces disappear and duplicate.
Terminals seem ok, including vim invoked from the terminal.
Firefox text seems ok.
The sidebar text in file-browser windows often has "black tape" over it,
usually completely covering text.
The file names are ok.


I wrote too soon.
Some of the file names are also getting the black tape treatment.


Suggestions on how to dignose this?


--
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"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
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