https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239182
Bug ID: 239182
Summary: acpidb issues
Product: Base System
Version: 12.0-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: d8zne...@aon.at
Scenario:
- Laptop Lenovo W520 (ca. 2011)
- Trying to use and learn /usr/sbin/acpidb
Results when executing the following commands (the three sections show the
display at various stage of execution):
- Initial double prompt:
------------------------------------------------------------------
[0]# acpidump -o /tmp/dsdt
[0]# acpidb /tmp/dsdt
Input file /tmp/dsdt, Length 0x105F6 (67062) bytes
-
-
------------------------------------------------------------------
- First character eaten & command ignored, second command ignored entirely,
third command accepted, thereafter the prompt is missing:
------------------------------------------------------------------
[0]# acpidb /tmp/dsdt
Input file /tmp/dsdt, Length 0x105F6 (67062) bytes
-
- Methods
ETHODS: unknown command
- Methods
- Methods
Objects of type [Method] defined in the current ACPI Namespace:
\_OSI Method 0x8006ea5f0 00 Args 1 Len 0000
Aml 0x0
Found 2 objects of type [Method] in the current ACPI Namespace
------------------------------------------------------------------
- Evaluating the \OSI method crashes the program:
------------------------------------------------------------------
[0]# acpidb /tmp/dsdt
Input file /tmp/dsdt, Length 0x105F6 (67062) bytes
-
- Methods
ETHODS: unknown command
- Methods
- Methods
Objects of type [Method] defined in the current ACPI Namespace:
\_OSI Method 0x8006ea5f0 00 Args 1 Len 0000
Aml 0x0
Found 2 objects of type [Method] in the current ACPI Namespace
- Evaluate \_OSI "FreeBSD"
Evaluating \_OSI
zsh: segmentation fault (core dumped) acpidb /tmp/dsdt
[139]# \rm acpidb.core
[0]#
------------------------------------------------------------------
Expected results:
- The command starts with two consecutive prompts. Expected would be one.
- Starting the command seems to eat the first character input. This should not
happen.
- The prompting is strange: The prompt appears after entering the first
character. Expected is that the prompt is displayed when the debugger is ready
to accept another command.
- Executing the \_OSI method crashes the program.
Question:
- Why do I not see any other methods?
- How could I execute the other methods shown in "acpidump -dt"?
-- Martin
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