https://bugzilla.kernel.org/show_bug.cgi?id=199413

            Bug ID: 199413
           Summary: ACPI Error: No pointer back to namespace node in
                    package 00000000fd2a44cd (20180313/dsargs-303)
           Product: ACPI
           Version: 2.5
    Kernel Version: 4.17-rc1
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

With Linux 4.17-rc1, the message below is new on the TUXEDO Book BU1406.

```
[    0.251627] calling  acpi_ac_init+0x0/0x83 @ 1
[    0.251922] ACPI Error: No pointer back to namespace node in package
00000000fd2a44cd (20180313/dsargs-303)
[    0.251937] 
               Initialized Local Variables for Method [ADJP]:
[    0.251938]   Local4: 000000003f70c344 <Obj>           Integer
0000000000000000
[    0.251942]   Local5: 0000000007ea22d7 <Obj>           Integer
0000000000000000
[    0.251944]   Local6: 00000000fd2a44cd <Obj>           Package
00000000fd2a44cd
[    0.251947]   Local7: 00000000c340c495 <Obj>           Integer
0000000000000001
[    0.251951] Initialized Arguments for Method [ADJP]:  (1 arguments defined
for method invocation)
[    0.251951]   Arg0:   00000000fdbbac69 <Obj>           Integer
0000000000000000
[    0.251956] ACPI Error: Method parse/execution failed \_SB.AC.ADJP,
AE_AML_INTERNAL (20180313/psparse-516)
[    0.251975] ACPI Error: Method parse/execution failed \_SB.AC._PSR,
AE_AML_INTERNAL (20180313/psparse-516)
[    0.251982] ACPI Error: AE_AML_INTERNAL, Error reading AC Adapter state
(20180313/ac-139)
[    0.251994] initcall acpi_ac_init+0x0/0x83 returned 0 after 356 usecs
```

Searching for the error, I only found a FreeBSD thread [1].

Please find all Linux messages, and the dumped ACPI tables attached.


[1] http://freebsd.1045724.x6.nabble.com/New-ACPI-Errors-td6238598.html

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