Regression for Power PC in 4.14-rc0 - bisected to commit 31bfdb036f12

[Andrew Donnellan]

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 
eventually...)

-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan at au1.ibm.com  IBM Australia Limited