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From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Andy Lutomirski <luto@kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"the arch/x86 maintainers" <x86@kernel.org>
Subject: Re: Linux 4.15-rc2: Regression in resume from ACPI S3
Date: Mon, 4 Dec 2017 14:36:20 -0800
Message-ID: <CA+55aFwsMuHUBQz5kDNwRf17JnasXMWjvmLq5qXGH-694yeq1w@mail.gmail.com> (raw)
In-Reply-To: <168050887.sZlTFXWCmO@aspire.rjw.lan>

On Mon, Dec 4, 2017 at 2:25 PM, Rafael J. Wysocki <rjw@rjwysocki.net> wrote:
>
> So far, resume from suspend-to-RAM (ACPI S3) is broken on all of the
> systems I have tested, so it is probably safe to assume it to be
> broken everywhere.

Oh, it's definitely not broken everywhere, because I use it myself,
and was traveling last week due to my mom's bday.

HOWEVER.

Some of the x86 work seems to have broken it for some configurations.
In particular, do you have a big "everything enabled" kernel config -
particularly lockdep and irqflags tracing enabled?

Andy has a patch, but it hasn't made it to me yet (probably because
the x86 people are very busy with the kaiser work):

    https://lkml.org/lkml/2017/11/30/546

(also note his follow-up "fix the commit message" note, but that one
doesn't actually affect the code itself).

Does that patch fix it for  you?

          Linus

  reply index

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-03 16:22 Linux 4.15-rc2 Linus Torvalds
2017-12-04 22:25 ` Linux 4.15-rc2: Regression in resume from ACPI S3 Rafael J. Wysocki
2017-12-04 22:36   ` Linus Torvalds [this message]
2017-12-04 22:38     ` Thomas Gleixner
2017-12-04 22:41       ` Rafael J. Wysocki
2017-12-05  0:25         ` Rafael J. Wysocki
2017-12-09 10:33           ` Pavel Machek
2017-12-09 11:41             ` Pavel Machek
     [not found]             ` <CA+55aFw8tuoJ2gcXx3K2sKFf2Y9hXX4naMVQNqGOUivnjwhjkg@mail.gmail.com>
2017-12-09 22:01               ` Pavel Machek
     [not found]                 ` <CA+55aFySAdiBZhZ0PSDjH5PuvPPcMsBRXbxCkObfm1eY7gHDbQ@mail.gmail.com>
2017-12-10 16:23                   ` Pavel Machek
2017-12-10 16:37                     ` Linus Torvalds
2017-12-10 18:56                       ` Pavel Machek
2017-12-10 20:30                         ` Linus Torvalds
2017-12-10 20:43                           ` Pavel Machek
2017-12-10 21:28                             ` Linus Torvalds
2017-12-10 21:35                               ` Pavel Machek
2017-12-12 17:27                               ` Linus Torvalds
2017-12-12 18:05                                 ` Andy Lutomirski
2017-12-12 18:36                                   ` Linus Torvalds
2017-12-12 22:10                                     ` Andy Lutomirski
2017-12-12 22:33                                       ` Linus Torvalds
2017-12-12 23:10                                         ` Andy Lutomirski
2017-12-13 11:16                                       ` Jarkko Nikula
2017-12-13 12:40                                         ` Ingo Molnar
2017-12-13 18:50                                         ` Andy Lutomirski
2017-12-10 21:38                           ` [PATCH] Fix resume on x86-32 machines Pavel Machek
2017-12-10 21:58                             ` Andy Lutomirski
2017-12-10 22:20                               ` Pavel Machek
2017-12-11  9:25                                 ` Jarkko Nikula
2017-12-11 14:22                               ` Rafael J. Wysocki
2017-12-11 14:43                                 ` Rafael J. Wysocki
2017-12-11 14:59                                 ` Jarkko Nikula
2017-12-11 18:31                                 ` Linus Torvalds
2017-12-11 18:41                                   ` Andy Lutomirski
2017-12-11 19:12                                     ` Linus Torvalds
2017-12-14 20:38                                     ` Pavel Machek
2017-12-14 20:47                                       ` Linus Torvalds
2017-12-14 21:20                                         ` Andy Lutomirski
2017-12-14 22:22                                         ` Pavel Machek
2017-12-11 15:13                               ` Ingo Molnar
2017-12-11 16:26                                 ` Andy Lutomirski
2017-12-11 14:09                           ` Linux 4.15-rc2: Regression in resume from ACPI S3 Zhang Rui
2017-12-11 16:28                             ` Andy Lutomirski
2017-12-12  8:00                             ` Pavel Machek
2017-12-06 12:15     ` Michal Hocko
2017-12-06 12:23       ` Thomas Gleixner
2017-12-06 14:04         ` Rafael J. Wysocki
2017-12-06 12:31       ` Maarten Lankhorst
2017-12-06 12:46         ` Thomas Gleixner
2017-12-06 13:09           ` Maarten Lankhorst
2017-12-06 14:15             ` Thomas Gleixner
2017-12-07 13:33               ` Maarten Lankhorst
2017-12-08 10:30                 ` Thomas Gleixner
2017-12-13 15:57                   ` Thomas Gleixner
2017-12-13 16:23                     ` Bjorn Helgaas
2017-12-13 16:41                       ` Thomas Gleixner
2017-12-13 17:45                         ` Linus Torvalds
2017-12-13 18:19                           ` Thomas Gleixner
2017-12-13 20:52                             ` Thomas Gleixner
2017-12-13 21:06                               ` Thomas Gleixner
2017-12-13 22:48                                 ` Rafael J. Wysocki
2017-12-14 11:54                                 ` Thomas Gleixner
2017-12-14 12:12                                   ` Rafael J. Wysocki
2017-12-14 12:30                                     ` Thomas Gleixner
2017-12-14 15:30                                       ` Rafael J. Wysocki
2017-12-14 15:52                                         ` Thomas Gleixner
2017-12-14 15:54                                           ` Rafael J. Wysocki
2017-12-14 16:17                                             ` Maarten Lankhorst
2017-12-15  2:07                                             ` [PATCH] PCI / PM: Force devices to D0 in pci_pm_thaw_noirq() Rafael J. Wysocki
2017-12-15 14:28                                               ` Rafael J. Wysocki
2017-12-15 18:30                                               ` Bjorn Helgaas
2017-12-15 23:44                                                 ` Rafael J. Wysocki
2017-12-14 13:24                                   ` Linux 4.15-rc2: Regression in resume from ACPI S3 Thomas Gleixner
2017-12-14 19:03                                   ` Linus Torvalds
2017-12-14 22:36                                     ` Thomas Gleixner
2017-12-14 22:47                                       ` Linus Torvalds
2017-12-15  9:05                                         ` Thomas Gleixner
2017-12-15  0:34                                       ` Rafael J. Wysocki
2017-12-13 22:39                             ` Rafael J. Wysocki
2017-12-13 23:26                               ` Rafael J. Wysocki
2017-12-07  7:55       ` Michal Hocko
2017-12-10 20:30         ` Michal Hocko
2018-02-21 18:36 ` Linux 4.15-rc2 Eugene Syromiatnikov

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