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Re: AMD Radeon 6490M

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Felix Miata composed on 2021-01-03 22:24 (UTC-0500):

> LuKaRo composed on 2021-01-04 03:24 (UTC+0100):

>> Any ideas on how to get graphics output on that machine? I don't even
>> need the radeon graphics, the integrated Intel graphics would be okay
>> for a start as well. My full Xorg.0.log <https://termbin.com/x15x> and
>> my dmesg <https://termbin.com/uc85> are attached here
>> <https://termbin.com/x15x> and here <https://termbin.com/uc85>.. Thanks
>> a lot in advance for any ideas!

> Did you check to see if there is a way in the BIOS to disable the Radeon?

You may be able to disable the Radeon indirectly adding this to the kernel command
line in Grub:

	radeon.modeset=0

I suspect doing this could functionally make the Intel GPU preferred.

> Getting "dual graphics" or "hybrid graphics" going on a laptop is a common
> problem. I don't have any, but I see a lot of threads about getting them going.
> With Intel and NVidia together, this is called "Optimus".

> Your 6490M is a "Terascale" class Radeon, so don't let anything you might read
> about "Southern Islands" or "Sea Islands" waste your time.

> Start with a read of this driver primer (which applies to all distros, not just
> openSUSE), to avoid potential confusion when you see the word "driver":
> <https://forums.opensuse.org/showthread.php/541438-AMD-Intel-amp-NVidia-X-graphics-driver-primer>.
> You may wish to try a bit of what you find there.

> Try hitting escape as soon as the screen goes black. Do you get a stream of text
> messages? If yes, do you see any clues? You can make the messages more permanent
> by reconfiguring in /etc/default/grub's GRUB_CMDLINE_LINUX_DEFAULT= line to
> exclude quiet and changing splash=silent to splash=verbose or omitting it
> altogether, possibly needing instead or in addition one of the following:

> 	noplymouth
> 	plymouth=0
> 	plymouth.enable=0

> Sending /var/log/Xorg.0.log to http://paste.debian.net/ or http://pastbin.com/ if
> it exists, or ~/.local/share/xorg/Xorg.0.log if it exists, will help us help you
> if examining it yourself doesn't enable you to find a solution on your own.

> Examining output from "sudo journalctl -b" will enable searching for error
> messages that don't show up in Xorg.0.log. Grep for "failed" and "error" in dmesg too.

> I have Terascale ATI as well, HD 6450 working fine, but not in a laptop or with
> dual graphics. 
-- 
Evolution as taught in public schools, like religion,
	is based on faith, not on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/

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Thread

AMD Radeon 6490M LuKaRo <lists@lrose.de> - 2021-01-04 03:30 +0100
  Re: AMD Radeon 6490M Felix Miata <mrmazda@earthlink.net> - 2021-01-04 04:30 +0100
    Re: AMD Radeon 6490M Felix Miata <mrmazda@earthlink.net> - 2021-01-04 04:30 +0100
      Re: AMD Radeon 6490M LuKaRo <lists@lrose.de> - 2021-01-04 18:00 +0100
        Re: AMD Radeon 6490M Hans <hans.ullrich@loop.de> - 2021-01-04 18:40 +0100
          Re: AMD Radeon 6490M Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-04 18:50 +0100
            Re: AMD Radeon 6490M Hans <hans.ullrich@loop.de> - 2021-01-04 19:00 +0100
              Re: AMD Radeon 6490M Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-04 20:50 +0100
                Re: AMD Radeon 6490M Felix Miata <mrmazda@earthlink.net> - 2021-01-04 21:10 +0100
                Re: AMD Radeon 6490M LuKaRo <lists@lrose.de> - 2021-01-07 14:10 +0100
    Re: AMD Radeon 6490M Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-04 08:50 +0100
    Re: AMD Radeon 6490M LuKaRo <lists@lrose.de> - 2021-01-04 18:00 +0100
      Re: AMD Radeon 6490M deloptes <deloptes@gmail.com> - 2021-01-04 18:30 +0100
      Re: AMD Radeon 6490M Felix Miata <mrmazda@earthlink.net> - 2021-01-04 21:00 +0100

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