We have a fix for this and will send out a patch next week after additional testing. Thanks, Bob > -----Original Message----- > From: Moore, Robert > Sent: Friday, March 14, 2014 2:03 PM > To: 'Valdis Kletnieks'; Zheng, Lv; Wysocki, Rafael J; Len Brown > Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx > Subject: RE: ACPICA 20140214 auto-serialize weirds my machine... > > > > > -----Original Message----- > > From: Valdis Kletnieks [mailto:Valdis.Kletnieks@xxxxxx] > > Sent: Friday, March 14, 2014 9:05 AM > > To: Zheng, Lv; Wysocki, Rafael J; Moore, Robert; Len Brown > > Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx > > Subject: ACPICA 20140214 auto-serialize weirds my machine... > > > > 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): > > > Yes, and the reason that it is rare to see this error is because the > problem is related to the use of the ASL Sync Level mechanism, which is > rarely used. > > Bob > > > > > > > > > http://comments.gmane.org/gmane.os.dragonfly-bsd.user/1817 > > > > I found this, but haven't tried it yet: > > > > commit 5f1cb4a92e4c4aabd139ff9ca1e11c0e2db2ac59 > > Author: Lv Zheng <lv.zheng@xxxxxxxxx> > > Date: Wed Feb 26 10:32:01 2014 +0800 > > > > ACPICA: Remove global option to serialize all control methods. > > > > With the addition of the auto-serialization feature, this option > > is obsolete and is completely removed. Lv Zheng. > > > > This patch also updates acpi_serialize kernel parameter using the > > new auto-serialization feature - acpi_gbl_auto_serialize_methods. > > > > This looks like a user nightmare waiting to happen, because: > > > > - acpi_serialize [HW,ACPI] force serialization of AML methods > > + acpi_serialize= [HW,ACPI] configure auto-serialization of AML > > methods > > > > Re-using a kernel parameter name with different semantics is just > > asking for trouble. > > > > I get this in my dmesg, and then I end up with all sorts of > > ACPI-related weirdness - everything from 4 or 5 temperature sensors > > evaporating to it claiming that my laptop doesn't have a battery bay > > (it may also be related to an issue I'm seeing with multiple graphics > > monitors as well, but I haven't verified that yet). > > > > We're going to need a better way to deal with this before it gets to > > mainline.... > > > > [ 0.119344] ACPI: Executed 1 blocks of module-level executable AML > code > > [ 0.135282] ACPI Error: Cannot acquire Mutex for method [SNVC], > current > > SyncLevel is too large (1) (20140214/dsmethod-362) > > [ 0.135288] ACPI Error: Method parse/execution failed [\SMBF] (Node > > ffff88012d026ec0), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.135298] ACPI Error: Method parse/execution failed [\GENS] (Node > > ffff88012d026e70), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.135307] ACPI Error: Method parse/execution failed [\EISC] (Node > > ffff88012d02d560), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.135320] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.ECDV.ECR1] (Node ffff88012d02d470), > > AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.135328] ACPI Error: Method parse/execution failed [\ECRB] (Node > > ffff88012d02d5d8), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.135336] ACPI Error: Method parse/execution failed [\ECG5] (Node > > ffff88012d02d740), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.135343] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.EINI] (Node ffff88012d02db00), AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.135351] ACPI Error: Method parse/execution failed [\EV3_] (Node > > ffff88012d0314c0), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.135359] ACPI Error: Method parse/execution failed > [\_SB_.PCI0._INI] > > (Node ffff88012d026920), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.135574] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored > > [ 0.136283] ACPI: SSDT 0x00000000CE789598 000523 (v01 PmRef Cpu0Cst > > 00003001 INTL 20051117) > > [ 0.138312] ACPI: Dynamic OEM Table Load: > > [ 0.138316] ACPI: SSDT 0x0000000000000000 000523 (v01 PmRef Cpu0Cst > > 00003001 INTL 20051117) > > [ 0.141483] ACPI: SSDT 0x00000000CE78AA98 000303 (v01 PmRef ApIst > > 00003000 INTL 20051117) > > [ 0.143683] ACPI: Dynamic OEM Table Load: > > [ 0.143687] ACPI: SSDT 0x0000000000000000 000303 (v01 PmRef ApIst > > 00003000 INTL 20051117) > > [ 0.146215] ACPI: SSDT 0x00000000CE790C18 000119 (v01 PmRef ApCst > > 00003000 INTL 20051117) > > [ 0.148279] ACPI: Dynamic OEM Table Load: > > [ 0.148282] ACPI: SSDT 0x0000000000000000 000119 (v01 PmRef ApCst > > 00003000 INTL 20051117) > > [ 0.152678] ACPI Error: Cannot acquire Mutex for method [SNVC], > current > > SyncLevel is too large (1) (20140214/dsmethod-362) > > [ 0.152684] ACPI Error: Method parse/execution failed [\SMBF] (Node > > ffff88012d026ec0), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.152693] ACPI Error: Method parse/execution failed [\GENS] (Node > > ffff88012d026e70), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.152702] ACPI Error: Method parse/execution failed [\EISC] (Node > > ffff88012d02d560), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.152714] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.ECDV.ECR1] (Node ffff88012d02d470), > > AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.152722] ACPI Error: Method parse/execution failed [\ECBT] (Node > > ffff88012d02d588), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.152730] ACPI Error: Method parse/execution failed [\ECG3] (Node > > ffff88012d02d6c8), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.152737] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.ECDV.ECIN] (Node ffff88012d02d3d0), > > AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.152745] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.ECDV._REG] (Node ffff88012d02d3f8), > > AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.152818] ACPI: Interpreter enabled > > [ 0.152828] ACPI: (supports S0) > > [ 0.152830] ACPI: Using IOAPIC for interrupt routing > > [ 0.152883] PCI: Using host bridge windows from ACPI; if necessary, > use > > "pci=nocrs" and report a bug > > [ 0.156479] ACPI Error: Cannot acquire Mutex for method [SNVC], > current > > SyncLevel is too large (1) (20140214/dsmethod-362) > > [ 0.156485] ACPI Error: Method parse/execution failed [\SMBF] (Node > > ffff88012d026ec0), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.156494] ACPI Error: Method parse/execution failed [\GENS] (Node > > ffff88012d026e70), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.156504] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.UAR1._STA] (Node ffff88012d02fb28), > > AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.156666] ACPI Error: Cannot acquire Mutex for method [SNVC], > current > > SyncLevel is too large (1) (20140214/dsmethod-362) > > [ 0.156671] ACPI Error: Method parse/execution failed [\SMBF] (Node > > ffff88012d026ec0), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.156680] ACPI Error: Method parse/execution failed [\GENS] (Node > > ffff88012d026e70), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.156689] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.LPTE.CLPS] (Node ffff88012d02fcb8), > > AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.156702] ACPI Error: Method parse/execution failed > > [\_SB_.PCI0.LPCB.LPTE._STA] (Node ffff88012d02fce0), > > AE_AML_MUTEX_ORDER > > (20140214/psparse-536) > > [ 0.162229] ACPI Error: Cannot acquire Mutex for method [SNVC], > current > > SyncLevel is too large (1) (20140214/dsmethod-362) > > [ 0.162234] ACPI Error: Method parse/execution failed [\SMBF] (Node > > ffff88012d026ec0), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.162244] ACPI Error: Method parse/execution failed [\GENS] (Node > > ffff88012d026e70), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > [ 0.162254] ACPI Error: Method parse/execution failed [\EISC] (Node > > ffff88012d02d560), AE_AML_MUTEX_ORDER (20140214/psparse-536) > > > > (you get the idea. I get a total of 172 'ACPI Error:' messages before > > I get to a single-user prompt) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html