RE: ACPICA 20140214 auto-serialize weirds my machine...

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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     is obsolete and is completely removed.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)
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