Re: [Regression] commit 8a4aeec8d(libata/ahci: accommodate tag ordered controllers)

[Ming Lei]

On Thu, Jun 5, 2014 at 9:12 PM, Dan Williams <dan.j.williams@xxxxxxxxx> wrote:
> On Thu, Jun 5, 2014 at 1:53 AM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote:
>> Hi Dan and Tejun,
>>
>> Looks the commit 8a4aeec8d(libata/ahci: accommodate tag ordered
>> controllers) causes below sata failure[1] on APM AHCI controller.
>>
>> And the error does disappear after reverting the commit.
>
> Can you give some more details about the workload and the disk?  What
> is the APM AHCI?

The commit causes the APM arm64 based system not bootable, and not
special workload, just when mounting rootfs or reading init files.

APM AHCI:
      drivers/ata/ahci_xgene.c

Thanks,
--
Ming Lei
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