Sabrina, Valdis: Do either of you see any error messages like this: ACPI Error: Mutex [0x1] is not acquired, cannot release (20140214/utmutex-437) > -----Original Message----- > From: Sabrina Dubroca [mailto:sd@xxxxxxxxxxxxxxx] > Sent: Friday, March 14, 2014 10:38 AM > To: Valdis Kletnieks > Cc: Zheng, Lv; Wysocki, Rafael J; Moore, Robert; Len Brown; linux- > kernel@xxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx > Subject: Re: ACPICA 20140214 auto-serialize weirds my machine... > > Hi, > > 2014-03-14, 12:05:01 -0400, Valdis Kletnieks wrote: > > Surprisingly enough, this hasn't seemed to have bitten many Linux > > people yet, Google only finds a BSD thread (where the same ACPICA code > is in use): > > > > http://comments.gmane.org/gmane.os.dragonfly-bsd.user/1817 > > I was about to report the same issue on a Dell Latitude D830. Boot > failure, flood of these messages: > > ACPI Exception: AE_AML_MUTEX_ORDER, while evaluating GPE method [_L1C] > (20140214/evgpe-580) ACPI Error: Method parse/execution failed [\GPE._L1C] > (Node f5e0c9a8), AE_AML_MUTEX_ORDER (20140214/psparse-536) ACPI Error: > Cannot acquire Mutex for method [SX30], current SyncLevel is too large (1) > (20140214/dsmethod-362) ACPI Exception: AE_AML_MUTEX_ORDER, while > evaluating GPE method [_L1C] (20140214/evgpe-580) > > With acpi_no_auto_serialize things look good. > > > Before I tried that option, a bisection led me to remove "| AML_CREATE" > from commit f56b05bd111b. That made the laptop boot, > > things seemed okay, except for the battery not being detected: the normal > battery line was gone ("ACPI: Battery Slot [BAT0] (battery > present)") and there's this instead: > > ACPI Error: Cannot acquire Mutex for method [SX45], current SyncLevel is > too large (1) (20140214/dsmethod-362) ACPI Error: Method parse/execution > failed [\_SB_.BIF_] (Node f5c250d8), AE_AML_MUTEX_ORDER (20140214/psparse- > 536) ACPI Error: Method parse/execution failed [\_SB_.BAT0._BIF] (Node > f5c25168), AE_AML_MUTEX_ORDER (20140214/psparse-536) ACPI Exception: > AE_AML_MUTEX_ORDER, Evaluating _BIF (20140214/battery-416) > > > -- > Sabrina ��.n��������+%������w��{.n�����{�����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
