Hi,

Dell soldered  the new AX500 pci card to my motherboard (HCL 
https://groups.google.com/g/qubes-users/c/Fa65-e8vqdM).

Please let me know if a qubes-issue is a better place to track this.

So when the driver tries to initialize msi:  
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/net/wireless/ath/ath11k/pci.c?h=v5.10.5#n640

It gets -28 in sys-net:

[    5.706045] ath11k_pci 0000:00:06.0: WARNING: ath11k PCI support is 
experimental!
[    5.706448] ath11k_pci 0000:00:06.0: BAR 0: assigned [mem 
0xf2000000-0xf20fffff 64bit]
[    5.734248] ath11k_pci 0000:00:06.0: failed to get 32 MSI vectors, only 
-28 available
[    5.734289] ath11k_pci 0000:00:06.0: failed to enable msi: -28
[    5.736589] ath11k_pci: probe of 0000:00:06.0 failed with error -28

The driver works fine in bare metal fedora 33.   I tried permissive and 
no-strict-reset.   I've been looking at xen and suspect the bug is there.  
I did notice a patch to fix a intel wifi driver to work with xen.

Any help of what needs fixing would be appreciated.   Thanks.

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