Hello,

And a quick observation.. My virt-manager loads isoconfig at boot time and
while booting a laptop from CDROM, grubcfg is loaded...Is there any way to
control which config can be loaded at boot time? Because virt-manager does
not have issue with GPU drivers while hard booting Live from CDROM has
issue with GPU drivers..

Regards
Rajaneesh

On Sat, Oct 22, 2022 at 3:43 PM finlinux na <finlinux1...@gmail.com> wrote:

> Hello,
>
> Looks like Debian Live Distro needs the following option for kernel  in
> GRUB  config file if GPU driver is installed..
>
> nomodeset amd_iommu=off iommu=pt
>
> Else it will hang with series of DRM bit flip timeout error messages...
> Has anyone experienced this before?
>
> with "nomodeset amd_iommu=off iommu=pt" I was able to circumvent the
> problem..But there should be a better way without disabling the GPU driver..
>
> I am using Ryzen 3 machine...
>
> Regards
> Rajaneesh
>

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