linux-rt-users.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Kurt Kanzenbach <kurt.kanzenbach@linutronix.de>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Corey Minyard <cminyard@mvista.com>,
	Corey Minyard <minyard@acm.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	tglx@linutronix.de
Subject: Re: [PATCH RT v2] Fix a lockup in wait_for_completion() and friends
Date: Tue, 2 Jul 2019 09:04:18 +0200	[thread overview]
Message-ID: <20190702070418.h6ynkkgk6v6s3aii@linutronix.de> (raw)
In-Reply-To: <20190701172825.7d861e85@gandalf.local.home>

[-- Attachment #1: Type: text/plain, Size: 1587 bytes --]

Hi,

On Mon, Jul 01, 2019 at 05:28:25PM -0400, Steven Rostedt wrote:
> On Mon, 1 Jul 2019 17:13:33 -0400
> Steven Rostedt <rostedt@goodmis.org> wrote:
>
> > On Mon, 1 Jul 2019 17:06:02 -0400
> > Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > > On Mon, 1 Jul 2019 15:43:25 -0500
> > > Corey Minyard <cminyard@mvista.com> wrote:
> > >
> > >
> > > > I show that patch is already applied at
> > > >
> > > >     1921ea799b7dc561c97185538100271d88ee47db
> > > >     sched/completion: Fix a lockup in wait_for_completion()
> > > >
> > > > git describe --contains 1921ea799b7dc561c97185538100271d88ee47db
> > > > v4.19.37-rt20~1
> > > >
> > > > So I'm not sure what is going on.
> > >
> > > Bah, I'm replying to the wrong commit that I'm having issues with.
> > >
> > > I searched your name to find the patch that is of trouble, and picked
> > > this one.
> > >
> > > I'll go find the problem patch, sorry for the noise on this one.
> > >
> >
> > No, I did reply to the right email, but it wasn't the top patch I was
> > having issues with. It was the patch I replied to:
> >
> > This change below that Sebastian marked as stable-rt is what is causing
> > me an issue. Not the patch that started the thread.
> >
>
> In fact, my system doesn't boot with this commit in 5.0-rt.
>
> If I revert 90e1b18eba2ae4a729 ("swait: Delete the task from after a
> wakeup occured") the machine boots again.
>
> Sebastian, I think that's a bad commit, please revert it.

I'm having the same problem on a Cyclone V based ARM board. Reverting
this commit solves the boot issue for me as well.

Thanks,
Kurt

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

  parent reply	other threads:[~2019-07-02  7:04 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09 19:33 [PATCH RT v2] Fix a lockup in wait_for_completion() and friends minyard
2019-05-09 19:51 ` Steven Rostedt
2019-05-10 10:33 ` Sebastian Andrzej Siewior
2019-05-10 12:08   ` Corey Minyard
2019-05-10 12:26     ` Sebastian Andrzej Siewior
2019-06-29  1:49   ` Steven Rostedt
2019-07-01 19:09     ` Corey Minyard
     [not found]       ` <20190701161840.1a53c9e4@gandalf.local.home>
2019-07-01 20:43         ` Corey Minyard
2019-07-01 21:06           ` Steven Rostedt
2019-07-01 21:13             ` Steven Rostedt
2019-07-01 21:28               ` Steven Rostedt
2019-07-01 21:34                 ` Corey Minyard
2019-07-02  7:04                 ` Kurt Kanzenbach [this message]
2019-07-02  8:35                   ` Sebastian Andrzej Siewior
2019-07-02 11:40                     ` Corey Minyard
2019-07-02 11:53                       ` Sebastian Andrzej Siewior
  -- strict thread matches above, loose matches on Subject: below --
2019-05-08 20:57 [PATCH " minyard
2019-05-09 16:19 ` [PATCH RT " Sebastian Andrzej Siewior
2019-05-09 17:46   ` Corey Minyard
2019-05-14  8:43   ` Peter Zijlstra
2019-05-14  9:12     ` Sebastian Andrzej Siewior
2019-05-14 11:35       ` Peter Zijlstra
2019-05-14 15:25         ` Sebastian Andrzej Siewior
2019-05-14 12:13       ` Corey Minyard
2019-05-14 15:36         ` Sebastian Andrzej Siewior
2019-05-15 16:22           ` Corey Minyard
2019-06-26 10:35   ` Peter Zijlstra

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=20190702070418.h6ynkkgk6v6s3aii@linutronix.de \
    --to=kurt.kanzenbach@linutronix.de \
    --cc=bigeasy@linutronix.de \
    --cc=cminyard@mvista.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rt-users@vger.kernel.org \
    --cc=minyard@acm.org \
    --cc=peterz@infradead.org \
    --cc=rostedt@goodmis.org \
    --cc=tglx@linutronix.de \
    /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).