I have started bisecting again. Link: https://forum.hyperion-entertainment.com/viewtopic.php?p=53106#p53106
> On 6. May 2021, at 10:09, Christophe Leroy <christophe.le...@csgroup.eu> > wrote: > > Hi, > >> Le 06/05/2021 à 09:56, Christian Zigotzky a écrit : >> Hi Christophe, >> Ok, so let's summarise from my side. >> The issue is in the PowerPC updates 5.13-1. I reverted these and after that >> the issue is gone. >> We know that only BookE machines are affected. Book3S machines are working >> with the PowerPC updates. >> I think it’s not directly an Xorg issue. It’s more a symptom that Xorg >> restarts again and again. In my point of view the changes for BookE machines >> in the PowerPC updates are responsible for this issue. >> Bisecting costs a lot of time and I don’t have time for my main work anymore. >> Bisecting is good but sometime you have to check your code yourself. We know >> all facts and now it’s time to check the code because of BookE compatibility. >> @All >> You can test it with QEMU as well. I provide some virtual machines and >> kernels for testing. Guys, it is really important that you test your changes >> before you release them. > > > So, summary from my side: > > You popped up telling that commit 887f3ceb51cd was the reason of your > problem. As I am the one who released that commit, I took a look, and > identified that 525642624783 should have fixed it. > > You are working with a 64 bits kernel. My domain is 32 bits kernels. > > I have no problem at all with corenet64_smp_defconfig booting QEMU with any > of the commits you pointed. > > On my side QEMU doesn't work at all with the configuration you provided, I > don't get any output at all on the screen. > > > So how can we progress ? > > I know bisecting is not always easy, and for sure you must have spend a lot > of time with all those skipped steps. But it provided us good information > anyway and I'm sure we could progress quickly if you can do the few tests I > suggested in my last email: > > - Can you check that 887f3ceb51cd with cherry-picked 525642624783 has Xorg > working ? > - Can you bisect between 887f3ceb51cd[good] and 56bec2f9d4d0[bad] to identify > first bad commit that stops after loading the dtb and uImage ? > - Once that first bad commit is identified, can you check whether the > preceeding commit with cherry-picked 525642624783 has Xorg working or not ? > > Thanks > Christophe