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From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: David Herrmann <dh.herrmann@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>,
	Ingo Molnar <mingo@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Petr Mladek <pmladek@suse.com>,
	Mark Salyzyn <salyzyn@android.com>,
	Prarit Bhargava <prarit@redhat.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Kevin Easton <kevin@guarana.org>,
	Michael Kerrisk <mtk.manpages@gmail.com>,
	Jonathan Corbet <corbet@lwn.net>
Subject: Re: [RFC/RFT patch 0/7] timekeeping: Unify clock MONOTONIC and clock BOOTTIME
Date: Fri, 20 Apr 2018 14:44:57 +0900	[thread overview]
Message-ID: <20180420054457.GA26393@jagdpanzerIV> (raw)
In-Reply-To: <CANq1E4Tf27FJHTrO4ZVtWhYK=DLmwzszK=njOpgXZZXqzAOunA@mail.gmail.com>

On (04/20/18 06:37), David Herrmann wrote:
>
> I get lots of timer-errors on Arch-Linux booting current master, after
> a suspend/resume cycle. Just a selection of errors I see on resume:

Hello David,
Any chance you can revert the patches in question and test? I'm running
ARCH (4.17.0-rc1-dbg-00042-gaa03ddd9c434) and suspend/resume cycle does
not trigger any errors. Except for this one

	kernel: do_IRQ: 0.55 No irq handler for vector

> systemd[1]: systemd-journald.service: Main process exited,
> code=dumped, status=6/ABRT
> rtkit-daemon[742]: The canary thread is apparently starving. Taking action.
> systemd[1]: systemd-udevd.service: Watchdog timeout (limit 3min)!
> systemd[1]: systemd-journald.service: Watchdog timeout (limit 3min)!
> kernel: e1000e 0000:00:1f.6: Failed to restore TIMINCA clock rate delta: -22
> 
> Lots of crashes with SIGABRT due to these.
> 
> I did not bisect it, but it sounds related to me. Also, user-space
> uses CLOCK_MONOTONIC for watchdog timers. That is, a process is
> required to respond to a watchdog-request in a given MONOTONIC
> time-frame. If this jumps during suspend/resume, watchdogs will fire
> immediately. I don't see how this can work with the new MONOTONIC
> behavior?

	-ss

  reply	other threads:[~2018-04-20  5:45 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-01 16:33 [RFC/RFT patch 0/7] timekeeping: Unify clock MONOTONIC and clock BOOTTIME Thomas Gleixner
2018-03-01 16:33 ` [RFC/RFT patch 1/7] timekeeping: Provide CLOCK_MONOTONIC_ACTIVE Thomas Gleixner
2018-03-13  7:06   ` [tip:timers/core] timekeeping: Add the new CLOCK_MONOTONIC_ACTIVE clock tip-bot for Thomas Gleixner
2018-03-01 16:33 ` [RFC/RFT patch 2/7] timekeeping: Make clock MONOTONIC behave like clock BOOTTIME Thomas Gleixner
2018-03-13  7:07   ` [tip:timers/core] timekeeping: Make the MONOTONIC clock behave like the BOOTTIME clock tip-bot for Thomas Gleixner
2018-03-01 16:33 ` [RFC/RFT patch 3/7] Input: evdev - Conflate clock MONOTONIC and BOOTTIME Thomas Gleixner
2018-03-13  7:07   ` [tip:timers/core] Input: Evdev - unify MONOTONIC and BOOTTIME clock behavior tip-bot for Thomas Gleixner
2018-03-01 16:33 ` [RFC/RFT patch 4/7] timekeeping: Remove boot time specific code Thomas Gleixner
2018-03-13  7:08   ` [tip:timers/core] " tip-bot for Thomas Gleixner
2018-03-01 16:33 ` [RFC/RFT patch 5/7] posix-timers: Conflate clock MONOTONIC and BOOTTIME Thomas Gleixner
2018-03-13  7:08   ` [tip:timers/core] posix-timers: Unify MONOTONIC and BOOTTIME clock behavior tip-bot for Thomas Gleixner
2018-03-01 16:33 ` [RFC/RFT patch 6/7] hrtimer: Conflate clock MONOTONIC and BOOTTIME Thomas Gleixner
2018-03-13  7:09   ` [tip:timers/core] hrtimer: Unify MONOTONIC and BOOTTIME clock behavior tip-bot for Thomas Gleixner
2018-03-01 16:33 ` [RFC/RFT patch 7/7] tracing: Conflate boot and monotonic clock Thomas Gleixner
2018-03-13  7:09   ` [tip:timers/core] tracing: Unify the "boot" and "mono" tracing clocks tip-bot for Thomas Gleixner
2018-03-01 17:23 ` [RFC/RFT patch 0/7] timekeeping: Unify clock MONOTONIC and clock BOOTTIME Linus Torvalds
2018-03-01 18:41   ` Thomas Gleixner
2018-03-01 18:50     ` Steven Rostedt
2018-03-01 19:10     ` Thomas Gleixner
2018-03-13  6:36   ` Ingo Molnar
2018-03-13 18:11     ` John Stultz
2018-04-20  4:37       ` David Herrmann
2018-04-20  5:44         ` Sergey Senozhatsky [this message]
2018-04-20  6:49           ` David Herrmann
2018-04-24  0:40             ` Genki Sky
2018-04-24  2:45               ` Genki Sky
2018-04-24  3:03                 ` John Stultz
2018-04-24  8:09                   ` Thomas Gleixner
2018-04-24 12:11                     ` Genki Sky
2018-04-24 15:00                       ` Thomas Gleixner
2018-04-25  6:50                     ` Pavel Machek
2018-04-25  8:55                       ` Rafael J. Wysocki
2018-04-25  8:52                     ` Rafael J. Wysocki
2018-04-25  9:49                       ` Rafael J. Wysocki
2018-04-25 13:03                         ` Thomas Gleixner
2018-04-26  7:03                           ` Mike Galbraith
2018-04-26  7:42                             ` Thomas Gleixner
2018-04-26  8:36                               ` Rafael J. Wysocki
2018-04-26  8:51                                 ` Thomas Gleixner
2018-04-26  9:03                                   ` Rafael J. Wysocki

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