linux-kernel - Re: [PATCH 2/2] nvme: Quirk APST on Intel 600P/P3100 devices

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Message-ID: <CALCETrVa4xvAKyw=-dwRpOExwFrKuVdmMDixaCjaWV0HYtuO5A@mail.gmail.com>
Date:   Wed, 31 May 2017 06:54:51 -0700
From:   Andy Lutomirski <luto@...nel.org>
To:     Keith Busch <keith.busch@...el.com>
Cc:     Andy Lutomirski <luto@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        linux-nvme <linux-nvme@...ts.infradead.org>
Subject: Re: [PATCH 2/2] nvme: Quirk APST on Intel 600P/P3100 devices

On Tue, May 30, 2017 at 8:35 AM, Keith Busch <keith.busch@...el.com> wrote:
> On Wed, May 24, 2017 at 03:06:31PM -0700, Andy Lutomirski wrote:
>> They have known firmware bugs.  A fix is apparently in the works --
>> once fixed firmware is available, someone from Intel (Hi, Keith!)
>> can adjust the quirk accordingly.
>
> Here's the latest firmware with all the known fixes:
>
>   https://downloadcenter.intel.com/download/26491?v=t
>
> I am not 100% sure if this fixes the issue you're quirking, but I think
> it falls under the issues the link initialization and ASPM comments in
> the release notes.

Can you or someone at Intel supply a reliable way to distinguish a
fixed firmware from an unfixed firmware?  We have access to the "fr"
string, but I don't know what to do with it.