[Bug 220096] [acpi] sys/dev/acpica/acpi_thermal.c: a sleep-under-mutex bug in acpi_tz_thread

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220096

John Baldwin <jhb at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
                 CC|                            |jhb at FreeBSD.org
             Status|New                         |Closed

--- Comment #1 from John Baldwin <jhb at FreeBSD.org> ---
The call to msleep() uses PDROP so the mutex is not reacquired after the thread
awakens from the sleep.  You probably need to add a special case for the PDROP
flag in your static analysis tool.  It is a bit of an unusual case.

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