Races between async firmware initialization and device removal appears on
kernel 4.1.x.
Whole scenario leading to the error together with logs is in
https://bugzilla.kernel.org/show_bug.cgi?id=196003
Mapping the patch from kernel 4.11.x "mwifiex: resolve races between async FW
init (failure) and device removal" solved the problem.
In Bugzilla I've also attached patch which I've tested for pcie interface and
it works.
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