[Bug 276428] NEC uPD720200 USB 3.0 Host Controller - Controller Halt/Reset

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276428

--- Comment #11 from Tomasz "CeDeROM" CEDRO <tomek@cedro.info> ---
Whoah that clearly looks like a firmware bug and something terrible to have on
a laptop :-(

Does this happen also on Linux / Windoze? If not then probably BSD driver could
prevent that somehow by clearing / setting initial controller config (maybe
this needs to be done for that specific controller / firmware).

I do not observe such problems with my NEC PCI-E card.

On the other hand I have different ASMEDIA USB 3.0 controller onboard with some
disconnects problems. I have found some utility (using FreeBSD boot media) to
upgrade firmware and found firmware extracted from other more modern
motherboard BIOS with the same chip. Some things improved but disconnects are
still here. I have tried different firmwares and each one of them has some
issues. This was extremely risky as it could brick the controller. At least I
have verified this is not the OS but controller issue.

I hope firmware upgrade would fix your NEC controller.

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