Software > Operating Systems and Porting
New Kernel 5.16 and new problem
MauryG5:
Dear guys you Power, as you know the new Kernel 5.16 has just come out and I like to do it as usual, I wanted to try it immediately, compiling my version. Obviously now from 5.14 onwards you have to set the AMD GPU parameter to 0 otherwise it won't start. Well after having done everything and started this beautiful news appeared to me, which you can see in the picture and at that point everything freezes and eventually it does not work and you have to do a reset and restart ... I say it is possible never that every time there must be a new problem in these Kernels ??? !!!! I can not understand!
tle:
I have not tried it yet, still waiting for official build from Fedora team.
However I do not think 5.16 is that much different to 5.14 because there aren't major change that benefits PPC.
The AMDGPU is still very unreliable so system freeze is expected. What pagesize do you compile the kernel with?
MauryG5:
Ever since Daniel Pocock showed me the difference, I always use 4K pages and since then the Kernel on Navi 10 has always worked. Now I don't know why something is missing, it seems that with 5.16 they have made some modification that requires what it writes in the start screen you see ... I don't know ...
Logout:
--- Quote from: tle on January 16, 2022, 07:28:47 pm ---However I do not think 5.16 is that much different to 5.14 because there aren't major change that benefits PPC.
--- End quote ---
There should be support from 5.16 for KVM on Book3e PowerPC CPUs derived from e6500 like the T2080 in the future PowerPC notebook and current T2080 dev boards. That is no benefit for us (= POWER9 users), but certainly quite a step for people on other current PPC64 machines as there in fact are just the two groups - big-iron-derived POWER9 and embedded Book3e CPUs.
MauryG5:
--- Quote from: tle on January 16, 2022, 07:28:47 pm ---I have not tried it yet, still waiting for official build from Fedora team.
However I do not think 5.16 is that much different to 5.14 because there aren't major change that benefits PPC.
The AMDGPU is still very unreliable so system freeze is expected. What pagesize do you compile the kernel with?
--- End quote ---
I personally Fedora I unmounted it from the computer and put it aside, I don't use it anymore. Too bad since he switched to Gnome 40 and they don't improve anything from that point of view so I gave up. Much better Ubuntu that better manages the Gnome in all its forms, it also updates a lot and among other things with the 22.04 it will have an optimization for Power 9 and currently it seems to me that it is the only distro that has it in the pipeline. You have some problems like the unresolved bug in the Firefox history, or the audio CDs that it does not read, but these are things that cannot be overcome because the distro itself works perfectly unlike Fedora or Debian ... In any case, the problem is always for AMD GPU management, something they have changed and now you have to understand what it takes to get it started, for sure other people will notice the problem and will start investigating ...
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