On 06/02/2021 04:02, Suravee Suthikulpanit wrote:
> Tj,
>
> I have posted RFCv3 in the BZ
> https://bugzilla.kernel.org/show_bug.cgi?id=201753.
>
> RFCv3 patch adds the logic to retry checking after 20msec wait for each
> retry loop since I have founded that certain platform takes about 10msec
>
On 02/02/2021 05:54, Suravee Suthikulpanit wrote:
> Could you please try the attached patch to see if the problem still
> persist.
Tested on top of commit 61556703b610 doesn't appear to have solved the
issue.
Linux version 5.11.0-rc6+ (tj@elloe000) (gcc (Ubuntu
9.3.0-17ubuntu1~20.04) 9.3.0, GNU
Lenovo E495 reports:
pci :00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter.
pci :00:00.2: can't derive routing for PCI INT A
pci :00:00.2: PCI INT A: not connected
I found an existing identical bug report that doesn't seem to have
gained any attention:
https://bugzilla.ker