Date: Tue, 3 Sep 2019 09:12:23 +0300 From: Yuri Pankov <yuripv@yuripv.net> To: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Looking for review / testing for nvme suspend / resume support Message-ID: <41727448-9b0d-69dd-00f3-de30d9d5902b@yuripv.net> In-Reply-To: <CANCZdfqPTLL0dL5Q%2B2FVLoZqBqP2v7qmCzMwjnmjvWTc7CD0GQ@mail.gmail.com> References: <CANCZdfqPTLL0dL5Q%2B2FVLoZqBqP2v7qmCzMwjnmjvWTc7CD0GQ@mail.gmail.com>
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Warner Losh wrote: > I've posted a review: https://reviews.freebsd.org/D21493 for NVMe suspend / > resume support. This avoids issues where we come out of suspend and need to > wait 30s for there to be a timeout and a reset of the device. It does so by > completely shutting down the card before we suspend, and then assume it was > in an unknown state when we come back up. > > Please leave comments about successful (or unsuccessful) tests and/or ways > to improve the code. Not seeing any issues with "SAMSUNG MZVLB512HAJQ", both suspend/resume were almost instant, no messages from nvme/nvd logged, no errors from zpool status/scrub.
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