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

[bugzilla-noreply]

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

John Baldwin  changed:

   What|Removed |Added

 Resolution|FIXED   |Works As Intended

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

[bugzilla-noreply]

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

John Baldwin  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 CC||j...@freebsd.org
 Status|New |Closed

--- Comment #1 from John Baldwin  ---
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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[Bug 220096] [acpi] sys/dev/acpica/acpi_thermal.c: a sleep-under-mutex bug in acpi_tz_thread

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

Jia-Ju Bai  changed:

   What|Removed |Added

 CC||freebsd-acpi@FreeBSD.org,
   ||freebsd-hardw...@freebsd.or
   ||g

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