From: Frederic Weisbecker <fweisbec@gmail.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>,
wanpeng.li@hotmail.com, Peter Zijlstra <peterz@infradead.org>,
Rik van Riel <riel@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: next_tick hang was Re: v4.10-rc8 (-rc6) boot regression on Intel desktop, does not boot after cold boots, boots after reboot
Date: Wed, 22 Feb 2017 04:08:58 +0100 [thread overview]
Message-ID: <20170222030857.GB2780@lerouge> (raw)
In-Reply-To: <20170218102339.GA3544@amd>
On Sat, Feb 18, 2017 at 11:23:39AM +0100, Pavel Machek wrote:
> On Sat 2017-02-18 10:39:17, Pavel Machek wrote:
> > Hi!
> >
> > [I droped some CCs here, you may want to check the CC list].
> >
> > > > These are different bugs.
> > > >
> > > > On x60, I see failures doing hotplug/unplug in a loop, or lot of
> > > > suspends. Someone seen it in v4.8-stable etc. Old bug. Rare to hit.
> > > >
> > > > Desktop machine was failing to boot, and had some fun with
> > > > suspend/resume too. Boot hang was reproducible with right
> > > > procedure. (Hard poweroff, cold boot.). That one was introduced in
> > > > 4.10-rc cycle.
> > >
> > > Pavel, is there any chance you could apply this patch on top of latest linus tree
> > > and send me your resulting dmesg log? This has the two reverted patches plus some
> > > debugging code. The amount of printk shouldn't be too big, I tested it home without
> > > issue.
> > >
> > > If you can't manage to dump the dmesg, please try to take a picture of your screen
> > > so that I can see the last messages starting with "NEXT_TICK_READ".
> > >
> > > Thanks!
> >
> > I guess I can. But I'll only have one 80x25 screen to look at...
>
> Ok, here it is.
Thanks, I haven't been able to deduce much though, except that the pending timer on CPU 0
looks quite far away.
Could you please add "initcall_debug" in your kernel parameters to identify if we are blocking in
a specific initcall? If so it should tell us which one.
Thanks!
next prev parent reply other threads:[~2017-02-22 3:09 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-03 19:04 v4.10-rc6 boot regression on Intel desktop, maybe related to EHCI hadnoff? Pavel Machek
2017-02-03 19:21 ` Alan Stern
2017-02-03 20:51 ` v4.10-rc6 boot regression on Intel desktop, does not boot after cold boots, boots after reboot Pavel Machek
2017-02-03 21:18 ` Pavel Machek
2017-02-03 21:59 ` Alan Stern
2017-02-03 22:43 ` Pavel Machek
2017-02-04 8:48 ` Pavel Machek
2017-02-04 16:52 ` Pavel Machek
2017-02-12 12:00 ` Pavel Machek
2017-02-14 17:59 ` v4.10-rc8 (-rc6) " Pavel Machek
2017-02-14 19:27 ` Pavel Machek
2017-02-14 19:54 ` Alan Stern
2017-02-23 16:28 ` Frederic Weisbecker
2017-02-23 18:40 ` Pavel Machek
2017-02-25 3:28 ` Frederic Weisbecker
2017-03-18 14:42 ` Frederic Weisbecker
2017-04-03 15:38 ` Frederic Weisbecker
2017-04-03 18:20 ` Pavel Machek
2017-04-12 15:08 ` Frederic Weisbecker
2017-04-15 21:34 ` Pavel Machek
2017-04-20 14:52 ` Frederic Weisbecker
[not found] ` <CA+55aFyYAztA+Onquy9ODeC9_YBL_fXAd-RgeUVUhpsjK81ZVQ@mail.gmail.com>
[not found] ` <CA+55aFxU1D0hAPJuhkKaFBByi=8vpw7dJUX=FfpoqnZLWsvxig@mail.gmail.com>
[not found] ` <CA+55aFwt6pbt2STzRh1yCdoo7AnCLFqnPkkrYk4_BGFuvT2VCw@mail.gmail.com>
[not found] ` <CA+55aFzMiXXw9gqNCMCSc+O5HfcqWHXfqbdtbvcOmAHM9_wNig@mail.gmail.com>
[not found] ` <CA+55aFxuXgsCyMgrRDHdM6BQaej68QoU8TwdM=3LYu9LMBf4fQ@mail.gmail.com>
2017-02-15 17:23 ` Pavel Machek
2017-02-15 23:20 ` Pavel Machek
2017-02-15 23:34 ` Linus Torvalds
2017-02-16 11:11 ` Pavel Machek
2017-02-16 17:25 ` Pavel Machek
2017-02-16 18:13 ` Frederic Weisbecker
2017-02-16 18:20 ` Linus Torvalds
2017-02-16 18:34 ` Frederic Weisbecker
2017-02-16 19:34 ` Thomas Gleixner
2017-02-16 20:06 ` Pavel Machek
2017-02-16 20:21 ` Linus Torvalds
2017-02-16 20:48 ` Pavel Machek
2017-02-18 8:55 ` Pavel Machek
2017-02-17 1:11 ` Greg Kroah-Hartman
2017-02-17 14:04 ` Frederic Weisbecker
2017-02-17 16:37 ` Thomas Gleixner
2017-02-17 17:05 ` Pavel Machek
2017-02-17 18:43 ` Frederic Weisbecker
2017-02-18 9:39 ` next_tick hang was " Pavel Machek
2017-02-18 14:50 ` Frederic Weisbecker
2017-02-18 18:05 ` Pavel Machek
2017-02-20 14:05 ` Frederic Weisbecker
[not found] ` <20170218102339.GA3544@amd>
2017-02-22 3:08 ` Frederic Weisbecker [this message]
2017-02-23 14:22 ` Pavel Machek
2017-02-16 19:06 ` Pavel Machek
2017-02-17 14:40 ` Frederic Weisbecker
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=20170222030857.GB2780@lerouge \
--to=fweisbec@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=pavel@ucw.cz \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=tglx@linutronix.de \
--cc=wanpeng.li@hotmail.com \
/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).