Public bug reported:
[Impact]
While co-working with AMD for the AMD PMF feature enable, a feature is needed
to capture the BIOS ACPI call tracing log under Linux OS, it is useful to
clairfy certain BIOS related issue.
[Fix]
The patch provided by AMD has been included in the linux-next and would be
available in 6.16
cde89fdfdf182 ACPICA: Add support for printing AML arguments when trace point
enabled
[Test]
1. boot the system with acpi.log_leve=0x0010
2. You'll see ACPI methods' arguments,
ex.
extrace-0138 ex_trace_point : Method Begin
[0x0000000096b240c4:\M460] execution.
extrace-0173 ex_trace_args : " POST CODE: %X ACPI TIMER: %X
TIME: %d.%d ms\n", b0003f53, 1a26a8b2, 0, 15e, 0, 0
extrace-0138 ex_trace_point : Method End [0x0000000096b240c4:\M460]
execution.
[Where problems could occur]
It only prints out debug message, should not lead to any no regressions.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-6.14 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Noble)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: linux-oem-6.14 (Ubuntu Noble)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: linux (Ubuntu Plucky)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Affects: linux-oem-6.11 (Ubuntu Plucky)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.14 (Ubuntu Plucky)
Importance: Undecided
Status: Invalid
** Tags: delta jira-delta-229 oem-priority
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Plucky)
Importance: Undecided
Status: New
** Also affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-6.14 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem-6.14 (Ubuntu Plucky)
Status: New => Invalid
** Changed in: linux-oem-6.11 (Ubuntu Plucky)
Status: New => Invalid
** Changed in: linux (Ubuntu Noble)
Status: New => Invalid
** Changed in: linux (Ubuntu Plucky)
Status: New => In Progress
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-oem-6.14 (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-oem-6.14 (Ubuntu Noble)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux (Ubuntu Plucky)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Tags added: delta jira-delta-229 oem-priority
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https://bugs.launchpad.net/bugs/2111220
Title:
ACPICA: Add support for printing AML arguments when trace point
enabled
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