# Re: \[FSL P50x0\] Xorg always restarts again and again after the the PowerPC updates 5.13-1

- From: Christian Zigotzky \<hidden\>
- Date: 2021-05-04 10:08:14 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/05/9522464
- Thread: https://ratatoskr.run/linuxppc-dev/2021/05/9198143/t.md

```text
Am 04.05.21 um 11:49 schrieb Christophe Leroy:
>
>
> Le 04/05/2021 à 11:46, Christian Zigotzky a écrit :
>> Am 04.05.21 um 11:11 schrieb Christophe Leroy:
>>>
>>>
>>> Le 04/05/2021 à 11:09, Christian Zigotzky a écrit :
>>>> Am 04.05.21 um 10:58 schrieb Christophe Leroy:
>>>>>
>>>>>
>>>>> Le 04/05/2021 à 10:29, Christian Zigotzky a écrit :
>>>>>> On 04 May 2021 at 09:47am, Christophe Leroy wrote:
>>>>>>> Hi
>>>>>>>
>>>>>>> Le 04/05/2021 à 09:21, Christian Zigotzky a écrit :
>>>>>>>> Hi Christophe,
>>>>>>>>
>>>>>>>> Thanks for your answer but I think I don't know how it works with the cherry-pick.
>>>>>>>>
>>>>>>>> $ git bisect start
>>>>>>>
>>>>>>> As you suspect the problem to be specific to powerpc, I can do
>>>>>>>
>>>>>>> git bisect start -- arch/powerpc
>>>>>>>
>>>>>>>
>>>>>>>> $ git bisect good 68a32ba14177d4a21c4a9a941cf1d7aea86d436f
>>>>>>>> $ git bisect bad c70a4be130de333ea079c59da41cc959712bb01c
>>>>>>>
>>>>>>> You said that powerpc-5.13-1 is bad so you can narrow the search I think:
>>>>>>>
>>>>>>> git bisect bad powerpc-5.13-1
>>>>>>> git bisect good 887f3ceb51cd3~
>>>>>> I tried it but without any success.
>>>>>>
>>>>>> git bisect bad powerpc-5.13-1
>>>>>>
>>>>>> Output:
>>>>>> fatal: Needed a single revision
>>>>>> Bad rev input: powerpc-5.13-1
>>>>>
>>>>> I don't understand, on my side it works. Maybe a difference between your version of git and mine.
>>>>>
>>>>> In that case, just use the SHA corresponding to the merge:
>>>>>
>>>>> git bisect bad c70a4be130de333ea079c59da41cc959712bb01c
>>>>>
>>>>> Christophe
>>>> Do you use a BookE machine?
>>>
>>> No I don't unfortunately, and I have tried booting in QEMU a kernel built with your config, but it freezes before any output.
>> You can use my kernels and distributions.
>>
>
> Ok, I'll see if I can do something with them.
>
> In the meantime, have you been able to bisect ?
>
> Thanks
> Christophe
I am bisecting currently.

$ git bisect start -- arch/powerpc
$ git bisect good 887f3ceb51cd3~
$ git bisect bad c70a4be130de333ea079c59da41cc959712bb01c
```