Re: kern/45139 (bugs in ACPI(CA) serialization)

To: maya%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, maya%NetBSD.org@localhost, jruohonen%iki.fi@localhost
Subject: Re: kern/45139 (bugs in ACPI(CA) serialization)
From: maya%NetBSD.org@localhost
Date: Wed, 13 Nov 2019 18:39:55 +0000 (UTC)

Synopsis: bugs in ACPI(CA) serialization

Responsible-Changed-From-To: kern-bug-people->maya
Responsible-Changed-By: maya%NetBSD.org@localhost
Responsible-Changed-When: Wed, 13 Nov 2019 18:39:55 +0000
Responsible-Changed-Why:
Reminder I want to handle this.
from jared: the semaphore code handles this via quickly exiting if (cold || doing_shutdown || acpi_suspended)
To avoid the problem that we might release a lock we don't own, perhaps we can move setting acpi_suspended to 0 to acpi_md_sleep, so it doesn't run with more than 1 CPU. Or use KERNEL_LOCK.

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