(apprently didn't post; take 2)
Upgrading from a working linux64 kernel-default 4.12.7x instance to ->
kernel-default 4.12.8x breaks USB devices (non-responsive) on AMD
SB700 motherboards.
I reported @ distro
Bug 1055044 - kernel-stable upgrade from 4.12.7 -> 4.12.[8,9,10]
causes USB device failures on some machines; fix re: AMD freeze
workaround; OK with 4.13.0rc6
https://bugzilla.opensuse.org/show_bug.cgi?id=1055044#c7
There, demonstrated that it's related to a years-old patch, but did
not yet determine WHY it cropped up again in 4.12.x branch.
Moving to v4.13.0rc6 cures the problem.
Response at the bug's gone silent.
As I'm unclear whether the fortuitous, unknown fix in 4.13.0 is
sufficient here, or whether it needs to be found/verified in 4.12.x so
as not to propagate into 4.13, thought best to bring it up here ... b4
release.
Can someone take a look & opine about a fix for 4.12 stable branch?
Thanks.
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