Re: Regression for Power PC in 4.14-rc0 - bisected to commit 31bfdb036f12
- Date: Thu, 14 Sep 2017 10:37:24 +1000
- From: Andrew Donnellan <andrew.donnellan@xxxxxxxxxxx>
- Subject: Re: Regression for Power PC in 4.14-rc0 - bisected to commit 31bfdb036f12
On 14/09/17 10:07, Larry Finger wrote:
When booting my PowerBook Aluminum G4, I get a pop-up screen that says
"The system is running in low-graphics mode. Your screen, graphics
card, and input device settings could not be detected correctly. You
will need to configure these yourself." This is a big-endian 74xx CPU.
The lscpu command says it is a PowerBook5,6 model.
This problem has been bisected to commit 31bfdb036f12 ("powerpc: Use
instruction emulation infrastructure to handle alignment faults"). I am
confident of the accuracy of the bisection.
Attached is the configuration.
Try with https://patchwork.ozlabs.org/patch/813153/
(A selftest for the instruction emulation will make its way upstream
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@xxxxxxxxxxx IBM Australia Limited