Re: acpi.debug_level not working as intended

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CC Erik

On Tue, Mar 12, 2019 at 5:38 PM Alex G. <mr.nuke.me@xxxxxxxxx> wrote:
>
> Hi,
>
> I want to get to the AML Debug object on boot. I'm setting the kernel
> parameters appropriately:
>
>         acpi.debug_layer=0xfffffff acpi.debug_level=0x2
>
> debug_layer gets set just fine, however, debug_level always ends up as
> 0xC. I don't get anything from the Debug object in the system log. Is
> this some sort of bug?
>
> Alex
>
>
> Appendix A: kernel commandline and resulting acpi parameters
>
> $ cat /proc/cmdline
> BOOT_IMAGE=/vmlinuz-5.0.0+ root=/dev/mapper/fedora-root ro
> rd.lvm.lv=fedora/root rd.lvm.lv=fedora/home console=tty0
> console=ttyS1,115200n8 rhgb acpi.debug_layer=0xffffffff
> acpi.debug_level=0x2 LANG=en_US.UTF-8
>
> $ cat /sys/module/acpi/parameters/debug_l*
> Description                     Hex        SET
> ACPI_UTILITIES                  0x00000001 [*]
> ACPI_HARDWARE                   0x00000002 [*]
> ACPI_EVENTS                     0x00000004 [*]
> ACPI_TABLES                     0x00000008 [*]
> ACPI_NAMESPACE                  0x00000010 [*]
> ACPI_PARSER                     0x00000020 [*]
> ACPI_DISPATCHER                 0x00000040 [*]
> ACPI_EXECUTER                   0x00000080 [*]
> ACPI_RESOURCES                  0x00000100 [*]
> ACPI_CA_DEBUGGER                0x00000200 [*]
> ACPI_OS_SERVICES                0x00000400 [*]
> ACPI_CA_DISASSEMBLER            0x00000800 [*]
> ACPI_COMPILER                   0x00001000 [*]
> ACPI_TOOLS                      0x00002000 [*]
> ACPI_BUS_COMPONENT              0x00010000 [*]
> ACPI_AC_COMPONENT               0x00020000 [*]
> ACPI_BATTERY_COMPONENT          0x00040000 [*]
> ACPI_BUTTON_COMPONENT           0x00080000 [*]
> ACPI_SBS_COMPONENT              0x00100000 [*]
> ACPI_FAN_COMPONENT              0x00200000 [*]
> ACPI_PCI_COMPONENT              0x00400000 [*]
> ACPI_POWER_COMPONENT            0x00800000 [*]
> ACPI_CONTAINER_COMPONENT        0x01000000 [*]
> ACPI_SYSTEM_COMPONENT           0x02000000 [*]
> ACPI_THERMAL_COMPONENT          0x04000000 [*]
> ACPI_MEMORY_DEVICE_COMPONENT    0x08000000 [*]
> ACPI_VIDEO_COMPONENT            0x10000000 [*]
> ACPI_PROCESSOR_COMPONENT        0x20000000 [*]
> ACPI_ALL_DRIVERS                0xFFFF0000 [*]
> --
> debug_layer = 0xFFFFFFFF ( * = enabled)
> Description                     Hex        SET
> ACPI_LV_INIT                    0x00000001 [ ]
> ACPI_LV_DEBUG_OBJECT            0x00000002 [ ]
> ACPI_LV_INFO                    0x00000004 [*]
> ACPI_LV_REPAIR                  0x00000008 [*]
> ACPI_LV_TRACE_POINT             0x00000010 [ ]
> ACPI_LV_INIT_NAMES              0x00000020 [ ]
> ACPI_LV_PARSE                   0x00000040 [ ]
> ACPI_LV_LOAD                    0x00000080 [ ]
> ACPI_LV_DISPATCH                0x00000100 [ ]
> ACPI_LV_EXEC                    0x00000200 [ ]
> ACPI_LV_NAMES                   0x00000400 [ ]
> ACPI_LV_OPREGION                0x00000800 [ ]
> ACPI_LV_BFIELD                  0x00001000 [ ]
> ACPI_LV_TABLES                  0x00002000 [ ]
> ACPI_LV_VALUES                  0x00004000 [ ]
> ACPI_LV_OBJECTS                 0x00008000 [ ]
> ACPI_LV_RESOURCES               0x00010000 [ ]
> ACPI_LV_USER_REQUESTS           0x00020000 [ ]
> ACPI_LV_PACKAGE                 0x00040000 [ ]
> ACPI_LV_ALLOCATIONS             0x00100000 [ ]
> ACPI_LV_FUNCTIONS               0x00200000 [ ]
> ACPI_LV_OPTIMIZATIONS           0x00400000 [ ]
> ACPI_LV_MUTEX                   0x01000000 [ ]
> ACPI_LV_THREADS                 0x02000000 [ ]
> ACPI_LV_IO                      0x04000000 [ ]
> ACPI_LV_INTERRUPTS              0x08000000 [ ]
> ACPI_LV_AML_DISASSEMBLE         0x10000000 [ ]
> ACPI_LV_VERBOSE_INFO            0x20000000 [ ]
> ACPI_LV_FULL_TABLES             0x40000000 [ ]
> ACPI_LV_EVENTS                  0x80000000 [ ]
> --
> debug_level = 0x0000000C (* = enabled)



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