[Bug 213759] [acpi] Rarely FreeBSD 11-STABLE system halts when shutting down due to ACPI error (20160527/utmutex-345)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213759

            Bug ID: 213759
           Summary: [acpi] Rarely FreeBSD 11-STABLE system halts when
                    shutting down due to ACPI error (20160527/utmutex-345)
           Product: Base System
           Version: 11.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: jakub_lach at mailplus.pl

Very rarely system instead of shutting down, system gets halted due to ACPI
errors. It hung there for 2 days.

<...>

Oct 22 07:41:20 Thinkpad kernel: fbd0 on drmn0
Oct 22 07:41:20 Thinkpad kernel: VT: Replacing driver "vga" with new "fb".
Oct 22 07:41:20 Thinkpad kernel: info: [drm] Initialized i915 1.6.0 20080730
for drmn0 on minor 0
Oct 22 09:19:01 Thinkpad devd: notify_clients: send() failed; dropping
unresponsive client
Oct 22 09:19:02 Thinkpad kernel: , 807.
Oct 22 09:19:02 Thinkpad ntpd[591]: dispatch_imsg in main: pipe closed
Oct 22 09:19:02 Thinkpad kernel: Oct 22 09:19:02 Thinkpad ntpd[591]:
dispatch_imsg in main: pipe closed
Oct 22 09:19:02 Thinkpad syslogd: exiting on signal 15
Oct 24 19:18:09 Thinkpad syslogd: kernel boot file is /boot/kernel/kernel
Oct 24 19:18:09 Thinkpad kernel: Waiting (max 60 seconds) for system process
`vnlru' to stop... done
Oct 24 19:18:09 Thinkpad kernel: Waiting (max 60 seconds) for system process
`bufdaemon' to stop... done
Oct 24 19:18:09 Thinkpad kernel: Waiting (max 60 seconds) for system process
`syncer' to stop...
Oct 24 19:18:09 Thinkpad kernel: Syncing disks, vnodes remaining... 4 4 1 0 0 0
done
Oct 24 19:18:09 Thinkpad kernel: All buffers synced.
Oct 24 19:18:09 Thinkpad kernel: Uptime: 1h38m15s
Oct 24 19:18:09 Thinkpad kernel: em0: link state changed to DOWN
Oct 24 19:18:09 Thinkpad kernel: ACPI Exception: AE_ERROR, Thread 100001 could
not acquire Mutex [0x0] (20160527/utmutex-345)
Oct 24 19:18:09 Thinkpad kernel: ACPI Error: Could not acquire AML Interpreter
mutex (20160527/exutils-104)
Oct 24 19:18:09 Thinkpad kernel: ACPI Exception: AE_ERROR, Thread 100001 could
not acquire Mutex [0x4] (20160527/utmutex-345)
Oct 24 19:18:09 Thinkpad kernel: ACPI Error: Method parse/execution failed
[\_SB.PCI0.LPC.EC.BPTS] (Node 0xfffff800042a1740), AE_NO_MEMORY
(20160527/psparse-559)
Oct 24 19:18:09 Thinkpad kernel: ACPI Error: Method parse/execution failed
[\_PTS] (Node 0xfffff800042a7540), AE_NO_MEMORY (20160527/psparse-559)
Oct 24 19:18:09 Thinkpad kernel: ACPI Error: Mutex [0x0] is not acquired,
cannot release (20160527/utmutex-386)
Oct 24 19:18:09 Thinkpad kernel: ACPI Error: Could not release AML Interpreter
mutex (20160527/exutils-147)
Oct 24 19:18:09 Thinkpad kernel: acpi0: AcpiEnterSleepStatePrep failed -
AE_NO_MEMORY
Oct 24 19:18:09 Thinkpad kernel:
Oct 24 19:18:09 Thinkpad kernel: The operating system has halted.
Oct 24 19:18:09 Thinkpad kernel: Please press any key to reboot.
Oct 24 19:18:09 Thinkpad kernel:
Oct 24 19:18:09 Thinkpad kernel: em0: link state changed to UP
Oct 24 19:18:09 Thinkpad kernel: Rebooting...
Oct 24 19:18:09 Thinkpad kernel: cpu_reset: Stopping other CPUs

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