linux-nvme.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: chris@chris-wilson.co.uk (Chris Wilson)
Subject: [PATCH] Revert "nvme-pci: use host managed power state for suspend"
Date: Fri, 16 Aug 2019 15:12:11 +0100	[thread overview]
Message-ID: <156596473180.11610.10618280744615593681@skylake-alporthouse-com> (raw)
In-Reply-To: <CAOSXXT54LyxmF7sAgfxYr7G_vnvDjhiEiHnVm7Zrm1vjS7zLQA@mail.gmail.com>

Quoting Keith Busch (2019-08-16 13:46:41)
> On Fri, Aug 16, 2019@6:38 AM Christoph Hellwig <hch@lst.de> wrote:
> > On Fri, Aug 16, 2019@01:30:29PM +0100, Chris Wilson wrote:
> > > Quoting Christoph Hellwig (2019-08-16 13:26:44)
> > > > Please, report the actual problem.  Blindly reverting a patch without
> > > > even an explanation of your regressions is not the way to do it.
> > >
> > > As stated, the system doesn't suspend.
> > >
> > > If you would like to wait, you will get test results from our CI
> > > giving the current failed state and the outcome of the patch.
> >
> > Platform type, SSD vendor and type, firmware version?

Which platform were you interested in, and is that information not
present in the debug log? The issue is observed across multiple different
SSD and vendors.
 
> Also not a fan of knee-jerk reverts. Even if it may turn out to be
> necessary, let's at least start with a bug report for an opportunity
> to fix first!

I just did report that we successfully bisected the earlier bug we
reported, and was testing a revert for our CI.

> Could you please try Rafael's solution? These two commits here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=xps13-9380-20190812&id=accd2dd72c8f087441d725dd916688171519e4e6
> https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=xps13-9380-20190812&id=4eaefe8c621c6195c91044396ed8060c179f7aae

Which indeed work, thank you.
-Chris

  reply	other threads:[~2019-08-16 14:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-16 12:15 [PATCH] Revert "nvme-pci: use host managed power state for suspend" Chris Wilson
2019-08-16 12:26 ` Christoph Hellwig
2019-08-16 12:30   ` Chris Wilson
2019-08-16 12:38     ` Christoph Hellwig
2019-08-16 12:46       ` Keith Busch
2019-08-16 14:12         ` Chris Wilson [this message]
2019-08-16 14:26           ` Keith Busch

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=156596473180.11610.10618280744615593681@skylake-alporthouse-com \
    --to=chris@chris-wilson.co.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).