[Bug 238711] Kernel Panic

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238711

yoaucid at yahoo.co.jp changed:

           What    |Removed                     |Added
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                 CC|                            |yoaucid at yahoo.co.jp

--- Comment #6 from yoaucid at yahoo.co.jp ---
I also got same panic.
The reason is probably that although the function AcpiNsWalkNamespace returns
AE_OK, the value of the argument ReturnValue is not changed, resulting in an
invalid handle.
After changing as below, my system is boot without panic.


--- src/sys/contrib/dev/acpica/components/namespace/nswalk.c    2019-06-20
16:40:45.119908000 +0900
+++ src_org/sys/contrib/dev/acpica/components/namespace/nswalk.c       
2019-06-20 15:45:56.709177000 +0900
@@ -331,9 +331,6 @@ AcpiNsWalkNamespace (
     ChildType = ACPI_TYPE_ANY;
     Level = 1;

-    if (ReturnValue)
-        *ReturnValue = NULL;
-
     /*
      * Traverse the tree of nodes until we bubble back up to where we
      * started. When Level is zero, the loop is done because we have

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