Re: use generic DMA mapping code in powerpc V4

From: Christian Zigotzky
Date: Wed Dec 12 2018 - 02:03:57 EST




> On 12. Dec 2018, at 01:47, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote:
>
>> On Tue, 2018-12-11 at 19:17 +0100, Christian Zigotzky wrote:
>> X5000 (P5020 board): U-Boot loads the kernel and the dtb file. Then the
>> kernel starts but it doesn't find any hard disks (partitions). That
>> means this is also the bad commit for the P5020 board.
>
> What are the disks hanging off ? A PCIe device of some sort ?
>
> Can you send good & bad dmesg logs ?
>
> Ben.
>
>
Unfortunately not. It doesnât detect any hard disk. That means the kernel ring buffer wonât save to log files. I donât have a serial null modem cable for seeing all output. We use SATA disks. I will investigate more in this problem with rollback the files in the bad commit.

â Christian