Re: Debian failed
On Sun, 2022-12-04 at 18:42 -0500, Jeffrey Walton wrote:
> On Sun, Dec 4, 2022 at 5:30 PM hw <hw@adminart.net> wrote:
> >
> > On Sun, 2022-12-04 at 20:58 +0000, Andrew M.A. Cater wrote:
> > > On Sun, Dec 04, 2022 at 09:49:59PM +0100, hw wrote:
> > > > On Sun, 2022-12-04 at 13:58 -0500, Jeffrey Walton wrote:
> > > > > On Sun, Dec 4, 2022 at 9:53 AM hw <hw@adminart.net> wrote:
> > > > > >
> > > > > > so I wanted to have Debian on a Precision R7910 with AMD graphics card
> > > > > > and it failed because it refuses to use the amdgpu module. I tried
> > > > > > forcing to load it when booting and it still didn't work.
> > > > > >
> > > > > > So I'm stuck with Fedora. What's wrong with Debian that we can't even
> > > > > > get AMD cards to work.
> > > > >
> > > > > I think you need around the 5.15 kernel.
> > > >
> > > > It was fully updated and the amdgpu module would load after forcing it,
> > > > yet it didn't work right. This is something that should --- and does
> > > > with Fedora --- work right out of the box.
> > > >
> > >
> > > If Jeffrey is right - and Debian stable will install, then install the 6.0 kernel from backports and a more up to date firmware?
> >
> > Thanks, if I try again, that would be worth a try.
>
> Yeah, a newer kernel is probably worth a try. The 5.8 kernel may work.
> The 5.15 kernel will work based on my experience.
>
> For completeness, here is the mini-pc I was having trouble with:
> https://www.amazon.com/dp/B0B2RHXLDK . It is described as 'AMD Ryzen 5
> 5560U with AMD Radeon Graphics'.
>
> [...]
> The thing that kept tripping me up was:
>
> # lspci | grep -v 'bridge:'
> ...
> 04:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
> [AMD/ATI] Device 1638 (rev c3)
> 04:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 1637
>
> Device 1638 was supposed to use amdgpu driver per [1,2]. But it didn't
> - it used an old ati driver. I did not realize the 5.4 kernel was too
> old. The 5.4 kernel lacked Cezanne support.
>
> [1] https://drmdb.emersion.fr/devices?driver=amdgpu
> [2] https://wiki.archlinux.org/title/AMDGPU
IIRC, I got the amdgpu module to load and it still didn't detect the
graphics card right.
How can Debian be so old? I thought I could use it for workstations and
servers, but when it can't even work right with a relatively old
graphics card, its usefulness becomes very questionable --- and it
leaves me without a good alternative.
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