[Bug 271888] NVME polled command failed to complete within 10s.

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 22 Aug 2023 21:45:47 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271888

Ed Maste <emaste@freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |Unable to Reproduce
             Status|New                         |Closed

--- Comment #1 from Ed Maste <emaste@freebsd.org> ---
Was caused by being unable to deliver interrupts to APIC IDs > 255 (due to lack
of an AMD IOMMU). After a few fixes/workarounds and a hack to avoid assigning
interrupts to CPUs with an APIC ID > 255 this issue is no longer reproducible.
(see "See Also" PRs for related fixes/workarounds).

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