Re: Namespace lookup failure error on QuadCore E5420

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Ahm.... and kind of? Configuration? Firmware version? Hardware?

Thanks
Pete

On Tue, Nov 11, 2008 at 10:24:52AM -0800, Moore, Robert wrote:
> It looks like a BIOS problem.
> 
> 
> >-----Original Message-----
> >From: Peter Strazovec [mailto:bubak@xxxxxxxxxxxxxxxxx]
> >Sent: Monday, November 10, 2008 8:30 PM
> >To: Moore, Robert
> >Cc: linux-acpi
> >Subject: Re: Namespace lookup failure error on QuadCore E5420
> >
> >Hi, if you say "machine has bad AML code" -what does it mean? Is it bios
> >problem? Bios setting problem? CPU problem? Something other...?
> >
> >Can I solve it somehow?
> >
> >Thanks
> >Pete
> >
> >On Mon, Nov 10, 2008 at 05:53:42PM -0800, Moore, Robert wrote:
> >> I figured so.
> >>
> >> After all, we are *interpreting* the AML code, which by definition is
> >single pass, byte-by-byte.
> >>
> >> Only in the main table can we perform a multi-pass load to resolve
> >forward references, because we aren't really "interpreting" at that time.
> >>
> >> So, I think we can say that the machine has bad AML code.
> >>
> >> Bob
> >>
> >>
> >> >-----Original Message-----
> >> >From: Lin, Ming M
> >> >Sent: Monday, November 10, 2008 5:15 PM
> >> >To: Moore, Robert
> >> >Cc: Zhang, Rui; bubak@xxxxxxxxxxxxxxxxx; linux-acpi; Len Brown
> >> >Subject: RE: Namespace lookup failure error on QuadCore E5420
> >> >
> >> >On Tue, 2008-11-11 at 01:45 +0800, Moore, Robert wrote:
> >> >> The first question would be, what does Windows do with this?
> >> >>
> >> >> To answer your question:
> >> >>
> >> >> ACPICA does not support forward references within control methods, it
> >> >never has. There is good reason for this:
> >> >>
> >> >> Return (CS01)
> >> >> If (ABCD)
> >> >> {
> >> >>     Name (CS01, 1)
> >> >> }
> >> >> Else
> >> >> {
> >> >>     Name (CS01, 2)
> >> >> }
> >> >>
> >> >> What should be returned?
> >> >>
> >> >>
> >> >> Lin Ming, here is a simplified version of the code example, please run
> >it
> >> >on Windows:
> >> >
> >> >Tested XP and Vista in KVM.
> >> >They both don't support forward references within control methods.
> >> >
> >> >Lin Ming
> >> >
> >> >>
> >> >>
> >> >> DefinitionBlock ("gr.aml", "DSDT", 1, "TEST", "CPU0CST", 1)
> >> >> {
> >> >>     Name (ABCD, 1)
> >> >>
> >> >>     Method (_CST, 0, NotSerialized)
> >> >>     {
> >> >>         If (LAnd (ABCD, 0x10))
> >> >>         {
> >> >>             Return (CS03)
> >> >>         }
> >> >>
> >> >>         Return (CS01)
> >> >>
> >> >>         Name (CS01, 1)
> >> >>         Name (CS03, 3)
> >> >>     }
> >> >> }
> >> >>
> >> >> >-----Original Message-----
> >> >> >From: Zhang, Rui
> >> >> >Sent: Sunday, November 09, 2008 10:47 PM
> >> >> >To: Moore, Robert; Lin, Ming M
> >> >> >Cc: bubak@xxxxxxxxxxxxxxxxx; Zhang, Rui; linux-acpi; Len Brown
> >> >> >Subject: Re: Namespace lookup failure error on QuadCore E5420
> >> >> >
> >> >> >Hi, Bob and Ming,
> >> >> >
> >> >> >Please look at this piece of AML code in the cpu0cst (a dynamic SSDT
> >> >> >table).
> >> >> >Method (_CST, 0, NotSerialized)
> >> >> >        {
> >> >> >            If (LAnd (PDC1, 0x10))
> >> >> >            {
> >> >> >                Return (CS03)
> >> >> >            }
> >> >> >
> >> >> >            Return (CS01)
> >> >> >            Name (CS01, Package (0x02)
> >> >> >            {
> >> >> >               ...
> >> >> >            })
> >> >> >            Name (CS03, Package (0x04)
> >> >> >            {
> >> >> >              ...
> >> >> >            })
> >> >> >}
> >> >> >
> >> >> >CS01/CS03 is evaluated before it's defined, causing an AE_NOT_FOUND
> >> >> >error.
> >> >> >Should we fix it in ACPICA?
> >> >> >
> >> >> >thanks,
> >> >> >rui
> >> >> >
> >> >> >On Mon, 2008-11-10 at 13:26 +0800, Peter Strazovec wrote:
> >> >> >> On Mon, Nov 10, 2008 at 09:32:49AM +0800, Zhang Rui wrote:
> >> >> >> > On Sun, 2008-11-09 at 21:48 +0800, Peter Strazovec wrote:
> >> >> >> > > I have problem with Namespace lookup failure error on E5420.
> >> >> >> > > ( ACPI Error (psargs-0358): [CS03] Namespace lookup failure,
> >> >> >AE_NOT_FOUND )
> >> >> >> > > Thus acpi not functional (cpufrequ via p-states, etc...).
> >> >> >> > >
> >> >> >> > ACPI is enabled on your system, except the cpu c-state.
> >> >> >> >
> >> >> >> > First please download the latest pmtools at
> >> >> >> > http://www.lesswatts.org/projects/acpi/utilities.php
> >> >> >> >
> >> >> >> > and then please run
> >> >> >> > "./acpidump > acpidump.log"
> >> >> >> > "./acpidump --addr 0xcfe5f800 --length 0xd8 > cpu0cst"
> >> >> >> > ???"./acpidump --addr 0xcfe5f900 --length 0xd8 > cpu1cst"
> >> >> >> > ???"./acpidump --addr 0xcfe5fa00 --length 0xd8 > cpu2cst"
> >> >> >> > ???"./acpidump --addr 0xcfe5fb00 --length 0xd8 > cpu3cst"
> >> >> >> > and attach all these files.
> >> >> >> >
> >> >> >> > Btw, how do you know p-state is not functional?
> >> >> >> > the p-state sysfs I/F
> >(/sys/devices/system/cpu/cpuX/cpufreq/)doesn't
> >> >> >> > work for you?
> >> >> >> >
> >> >> >> > thanks,
> >> >> >> > rui
> >> >> >> >
> >> >> >> > > Does anyone know about some patch or some hint?
> >> >> >> > >
> >> >> >> > > CONFIG_ACPI_DEBUG=y, CONFIG_ACPI_DEBUG_FUNC_TRACE=y,
> >> >> >> > > dmesg, interrupts and cpuinfo attached.
> >> >> >> > >
> >> >> >> > > thanks
> >> >> >> > > Pete
> >> >> >> >
> >> >> >> > --
> >> >> >> > 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
> >> >> >>
> >> >> >>
> >> >> >> I though, that 'namespace' error is like 'not working'.... anyhow:
> >> >> >>
> >> >> >> @cpu c-state
> >> >> >> mhmm, I've been talking about p-state (  CONFIG_X86_ACPI_CPUFREQ )
> >and
> >> >> >not
> >> >> >> working because:
> >> >> >> #cpufreq-set -g performance
> >> >> >> wrong, unknown or unhandled CPU?
> >> >> >> #ls /sys/devices/system/cpu/cpu0/
> >> >> >> cache  thermal_throttle  topology
> >> >> >> -> no cpufreq dir there
> >> >> >> #cat /proc/acpi/processor/CPU0/throttling
> >> >> >> <not supported>
> >> >> >>
> >> >> >> acpidumps attached
> >> >> >>
> >> >> >>
> >> >> >> Thanks
> >> >> >> Pete
> >>
> >
> >--
> >------------------------------------------------------------------------
> >
> >mail me : bubak@xxxxxxxxxxxxxxx
> >
> >call me (sms me) : +421 904 536459
> 
> --
> 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

-- 
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mail me : bubak@xxxxxxxxxxxxxxx

call me (sms me) : +421 904 536459

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