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Re: ACPI Error on boot




On Thu, 12 Apr 2018, Anil Duggirala wrote:
> On Mon, Apr 9, 2018, at 11:55 AM, Anil Duggirala wrote:
> > I am getting an error on boot in my dual boot Win 10-Debian 9 system, 

> > ACPI Error: Cannot release Mutex [PATM], not acquired (20160831/
> > exmutex-393)
> > ACPI Error: Method parse/execution failed [\_SB.PCI0.LPCB.ECDV._Q66] 
> > (Node ffff9346529f5960), AE_AML_MUTEX_NOT_ACQUIRED (20160831/
> > psparse-543)
> > Could someone tell me what this error means,

Assuming the kernel is not broken, it means that the firmware writers
screwed it up, and are trying to release a lock (mutex) that was not
taken.

I.e. it is reporting a "BIOS bug".

You could try to report to the system vendor, and ask them for a fix.

-- 
  Henrique Holschuh