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Re: I have a Gigabyte GA-A320M-H is there a BUG in this motherboard?

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On 2021-01-02 4:06 a.m., ike wrote:
> On 01/01/2021 11:42 PM, ike wrote:
> 
>      I have a Gigabyte GA-A320M-H I have tried to install Debian 10.7 .
> I
>      have enable Iommu and CSM. When the menu comes up it does not
> matter
>      what I select after I hit enter the screen is just a mess can you
> help
>      me please. After I press enter the screen is just lines dots and a
>      mess.
>      I under stand there is a BUG in Lommu if so how do I fix it. I am
> not
>      an expert with this so be patient with me please.
>      Thank you Isaac Shields
>      nejekipl@bigpond.com
> 
> 
> 

Issac,

If you have been able to complete the Buster install and install GRUB on 
the appropriate disk, please try the following:

	__DISABLE__  IOMMU support in the motherboard BIOS.

	Reboot to the GRUB menu and type "e" to edit the default boot
         option

	type " iommu=soft" (no quotes) at the end of the "linux" line.

	Press the "F10" key to boot the default option.


If that works (the system comes up to a Debian login screen) then you 
need to edit /etc/default/grub (under the root user; create a backup 
copy first) and update the line below with:

	GRUB_CMDLINE_LINUX="iommu=soft"

	Save the updated file

	Run the "update-grub" command (again, under the root user).

	Reboot

I have two systems with Gigabyte motherboards and I need to add this to 
the GRUB configuration in order to get all USB ports working properly.

-- 
Regards,

John Boxall

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Thread

Re: I have a Gigabyte GA-A320M-H is there a BUG in this motherboard? Richard Owlett <rowlett@cloud85.net> - 2021-01-02 08:20 +0100
  Re: Re: I have a Gigabyte GA-A320M-H is there a BUG in this  motherboard? ike <nejekipl@bigpond.com> - 2021-01-02 10:20 +0100
    Re: I have a Gigabyte GA-A320M-H is there a BUG in this motherboard? David Christensen <dpchrist@holgerdanske.com> - 2021-01-02 10:40 +0100
      Re: I have a Gigabyte GA-A320M-H is there a BUG in this motherboard? tom arnall <kloro2006@gmail.com> - 2021-01-03 09:00 +0100
    Re: I have a Gigabyte GA-A320M-H is there a BUG in this motherboard? John Boxall <jboxall47@gmail.com> - 2021-01-03 19:00 +0100

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