linux-kernel - Re: Report long suspend times of NVMe devices (mostly firmware/device issues)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 22 Jan 2018 16:31:11 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Paul Menzel <pmenzel+linux-nvme@...gen.mpg.de>
Cc:     Keith Busch <keith.busch@...el.com>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org
Subject: Re: Report long suspend times of NVMe devices (mostly firmware/device issues)


Paul,

> In my opinion anything longer than 200 ms should be reported similar to
> [2], and maybe worded like below.

There are many controllers out there that take double-digit seconds to
shut down.

-- 
Martin K. Petersen	Oracle Linux Engineering