Re: enable msix get err / PCI frontend error when trying to pass through NVMe

[Leigh Brown <leigh@xxxxxxxxxxxxx>]

Hi Joost and everyone,

On 2024-03-18 08:16, Joost Roeleveld wrote:
> Hi All,
>
> I am trying to pass through an NVMe device using pci-passthrough.
> All seems to go fine until I load the "nvme" module.
>
> Check "dmesg" I see the following errors:
>
> [Mon Mar 18 07:59:19 2024] nvme 0000:81:00.0: Xen PCI mapped GSI56 to 
> IRQ269
> [Mon Mar 18 07:59:19 2024] nvme nvme0: Shutdown timeout set to 8 
> seconds
> [Mon Mar 18 07:59:19 2024] nvme nvme0: allocated 64 MiB host memory 
> buffer.
> [Mon Mar 18 07:59:20 2024] nvme 0000:81:00.0: enable msix get err 
> ffffff8e
> [Mon Mar 18 07:59:20 2024] nvme 0000:81:00.0: Xen PCI frontend error: 
> -114!
> [Mon Mar 18 07:59:20 2024] nvme nvme0: 1/0/0 default/read/poll queues
I get exactly the same errors in the logs for my NVME drives. I have not 
encountered any
data issues so far (not production yet but have performed extensive 
bench testing using
FIO).

> Any advice on how to resolve this would be greatly appreciated.
> The devices do show in /dev/... , but with that error, I'm not certain  
> I can reliably use the drive.
It would be good to at least know it is nothing to worry about :-)

> Many thanks,
>
> Joost Roeleveld
Regards,

Leigh.