Hello,

lb --version shows the following: 20220505

You are right...Only nomodeset was introduced since I was getting DRM error
messages and it worked fine after introducing it.... rest options
"amd_iommu=off
iommu=pt" were from the default GrUB template that I had set as I used to
have  IOMMU error in other linux OS as well and OS used to hang as soon as
it started video rendering.


Regards
Rajaneesh

On Sun, Oct 23, 2022 at 2:31 AM Roland Clobus <[email protected]> wrote:

> Hello Rajaneesh,
>
> On 22/10/2022 12:13, finlinux na wrote:
> > 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..
>
> On 2022-06-01 I've removed 'nomodeset' from the code, because that was
> causing hangups during the boot of the 'failsafe' option.
>
> Which version of live-build are you using?
>
>  > I am using Ryzen 3 machine...
>
> Do you need all these 3 options for a normal live boot?
>
>
> With kind regards,
> Roland Clobus
>

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