[Bug 203874] [patch] MSI/MSI-X interrupts don't work in VMware virtual machines

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203874

--- Comment #18 from igor at hybrid-lab.co.uk ---
(In reply to John Baldwin from comment #17)


In order to investigate anything that sporadically breaks, you need to know how
to break it. Like I said in comment #6 when I disabled the hack, nothing was
breaking; so why would anyone spend $$$ investigating anything without even a
clue as to a path to break it? My interpretation of comment #3 is "Our
implementation is in accordance with the spec. Do you have a specific scenario
that takes our implementation outside of the spec?" To which nothing was
produced.

Similarly, as bug #218113 shows MSI-X was also "hacked" for KVM (I don't know
if that's still the case), so it would seem that according to FreeBSD neither
KVM nor ESXi implement the hardware side of MSI-X properly? C'mon! :-)

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