[Bug 202055] Failed to PCI passthrough SSD with SMI SM2262 controller.

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https://bugzilla.kernel.org/show_bug.cgi?id=202055

--- Comment #40 from Alex Williamson (alex.williamson@xxxxxxxxxx) ---
Created attachment 281113
  --> https://bugzilla.kernel.org/attachment.cgi?id=281113&action=edit
Debug patch

Dongli, if we're unable to perform the NVMe subsystem reset, we fall back to
other resets, including the known bad FLR reset, which seems like what might be
happening here.  Could you please apply this patch on top of the previous to
add some debugging to show where the detection is failing.  I can only guess
this might mean your device does not support an NVMe subsystem reset, but I
can't imagine why the Intel variant would remove this while the ADATA version
has it.  Ugh.  Thanks

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