FSL P5040 board doesn't boot after DRM updates (drm-next-2024-09-19)
Christian Zigotzky
chzigotzky at xenosoft.de
Sat Sep 28 12:15:53 UTC 2024
On 28 September 2024 at 01:46pm, Christian Zigotzky wrote:
> Am 28.09.24 um 10:42 schrieb Christophe Leroy:
>> Hi Christian,
>>
>> Le 28/09/2024 à 09:40, Christian Zigotzky a écrit :
>>> On 28 September 2024 at 09:21am, Christian Zigotzky wrote:
>>> >
>>> >> On Sun, Sep 22, 2024 at 12:28 AM Christian Zigotzky
>>> >> <chzigotzky at xenosoft.de> wrote:
>>> >>>
>>> >>> Hi All,
>>> >>>
>>> >>> The lastest Git kernel doesn't boot anymore after the latest
>>> DRM updates
>>> >>> (drm-next-2024-09-19). [1]
>>> >>>
>>> >>> I tested it with an AMD Radeon HD 6970 (Cayman XT) and with an AMD
>>> >>> Radeon HD 5870 (Cypress XT).
>>> >>>
>>> >>> I reverted the DRM updates and after that the kernel boots
>>> without any
>>> >>> problems.
>>> >>>
>>> >>> Please note: Due to a lack of time, I can't do a bisect.
>>> >>>
>>> >>> Please check the latest DRM updates.
>>> ------------
>>> >>
>>> >> Can you attach your dmesg output? There was a regression in the
>>> dma
>>> >> subsystem what was fixed by this commit:
>>> >>
>>> >> commit b348b6d17fd1d5d89b86db602f02be
>>> >> a54a754bd8
>>> >> Author: Leon Romanovsky <leon at kernel.org>
>>> >> Date: Sun Sep 22 21:09:48 2024 +0300
>>> >>
>>> >> dma-mapping: report unlimited DMA addressing in IOMMU DMA path
>>> >>
>>> >> Alex
>>> >>
>>>
>>> ------------
>>> Hi Alex,
>>>
>>> I tested the latest Git kernel on my FSL P5040 board today and it
>>> doesn't boot. Our FSL P5020 boards boot without any problems.
>>>
>>> I connected my FSL P5040 board with a serial cable to my PC for
>>> getting error messages. Unfortunately there aren't any error
>>> messages after the loading of the uImage.
>>>
>>> This means, that the dma-mapping patch doesn't solve the boot issue.
>>>
>>> Please check the latest DRM updates.
>>
>> Can you bisect the problem ?
>>
>> Christophe
> I would like ... but I don't have time for it. Sorry.
Hi All,
Sorry, I have forgotten to add the boot arguments "console=ttyS0,115200"
for the connecting of my FSL P5040 board with a serial cable to my PC.
Now, I have a serial log file with Radeon error messages (kernel trace). :-)
Link: https://www.xenosoft.de/PuTTY_P5040_U-Boot.log
I hope, you have an idea. The FSL P5020 boards aren't affected.
Thanks,
Christian
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