Hi Andreas,

Thanks for your reply.

Andreas Herrmann <andreas.herrmann3@amd.com> writes:

> Hi Lei,
>
> can you please provide information, which system you are using.  dmesg
> (please use apic=debug kernel parameter), output of lspci -nnxxxx (as
> root),
>

I'm using debian sid with customized kernel. dmesg and lspci are
attached.