From: Thomas Gleixner <tglx@linutronix.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
Maarten Lankhorst <dev@mblankhorst.nl>,
Michal Hocko <mhocko@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Andy Lutomirski <luto@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
Daniel Vetter <daniel.vetter@intel.com>,
Bjorn Helgaas <bhelgaas@google.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
linux-pci@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: Linux 4.15-rc2: Regression in resume from ACPI S3
Date: Fri, 15 Dec 2017 10:05:23 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.20.1712151000260.1702@nanos> (raw)
In-Reply-To: <CA+55aFzEt3hspSXgA28emi7aka0wQc8SaC=wdVKp=DtmbptQTQ@mail.gmail.com>
On Thu, 14 Dec 2017, Linus Torvalds wrote:
> On Thu, Dec 14, 2017 at 2:36 PM, Thomas Gleixner <tglx@linutronix.de> wrote:
> >
> > But, because the silly firmware comes out of suspend with all PIC lines
> > unmasked for whatever reason, the PIC can observe that IRQ being raised and
> > the CPU not handling it. So yes, I forgot about 7 being magic, but I still
> > think it's the firmware which causes it by unmasking the PIC irqs.
>
> Yes, that sounds quite likely.
And just for the record I was able to figure out which interrupt comes in
and goes away again. It's the only level triggered interrupt, which is the
ACPI interrupt.....
Thanks,
tglx
next prev parent reply other threads:[~2017-12-15 9:05 UTC|newest]
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
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 [this message]
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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