Hello, Damien. On Mon, Jun 24, 2019 at 08:27:02PM +0000, Damien Le Moal wrote: > For NCQ commands, I believe it is mandatory to request sense data for the failed > command to get the device out of error mode. So isn't this approach breaking Hah, that's a news to me. We never had that code path before ZAC support was added, so I'm kinda skeptical that'd be the case. > anything for well behaving drives ? Wouldn't it be better to blacklist the > misbehaving SSD you observed the problem with ? Provided I'm not wrong with the assumption, there's virtually no benefit in doing this and that's gonna be a *really* difficult blacklist to develop. Thanks. -- tejun