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Re: PCI pass-through problem for SN570 NVME SSD
- To: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 4 Jul 2022 12:34:39 +0200
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- Cc: xen-devel <xen-devel@xxxxxxxxxxxxx>, "G.R." <firemeteor@xxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 04 Jul 2022 10:34:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 04.07.2022 11:50, Roger Pau Monné wrote:
> On Sun, Jul 03, 2022 at 01:43:11AM +0800, G.R. wrote:
>> Hi everybody,
>>
>> I run into problems passing through a SN570 NVME SSD to a HVM guest.
>> So far I have no idea if the problem is with this specific SSD or with
>> the CPU + motherboard combination or the SW stack.
>> Looking for some suggestions on troubleshooting.
>>
>> List of build info:
>> CPU+motherboard: E-2146G + Gigabyte C246N-WU2
>> XEN version: 4.14.3
>
> Are you using a debug build of Xen? (if not it would be helpful to do
> so).
>
>> Dom0: Linux Kernel 5.10 (built from Debian 11.2 kernel source package)
>> The SN570 SSD sits here in the PCI tree:
>> +-1d.0-[05]----00.0 Sandisk Corp Device 501a
As per this I understand that ...
> I'm slightly confused by the fact that the DPC / AER errors seem to be
> from a device that's different from what you attempt to passthrough?
> (0000:00:1d.0 vs 0000:05:00.0)
... 00:1d.0 is the upstream bridge for 05:00.0.
Jan
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