On Fri, Apr 11, 2025 at 09:19:09PM -0500, Mario Limonciello wrote: > > > On 4/11/25 21:12, Bagas Sanjaya wrote: > > On Thu, Apr 10, 2025 at 03:01:59PM -0500, Mario Limonciello wrote: > > > v3: > > > * Move debugging.rst to index.rst > > > > Do you plan to add more AMD-specific admin docs in the future? > > I don't have any others planned right now. That move was because I noticed > a toc warning with how I had it structured before. > > > (BTW, I don't > > follow v2 discussions.) > > Don't worry; documentation hasn't been talked about in v2, it's all been > discussion on the S5_RESET_STATUS. Understand. > > > > > > +As there are a lot of places that problems can occur, a debugging script has > > > +been created that can help test for common problems and offer suggestions. > > > + > > > +https://git.kernel.org/pub/scm/linux/kernel/git/superm1/amd-debug-tools.git/tree/amd_s2idle.py > > > + > > > +If you have an s2idle issue, it's best to start with this and follow instructions > > > +from its findings. If you continue to have an issue, raise a bug with the > > > +report generated from this script. > > > > To mailing list following Documentation/admin-guide/reporting-issues.rst? > > Actually I prefer them to drm/amd with the s2idle bug template. I'll add > this detail. > > > > > > +First convert the GPIO number into hex. :: > > > + > > > + $ python3 -c "print(hex(59))" > > > + 0x3b > > > + > > > +Next determine which ACPI table has the ``_EVT`` entry. For example: :: > > > + > > > + $ sudo grep EVT /sys/firmware/acpi/tables/SSDT* > > > + grep: /sys/firmware/acpi/tables/SSDT27: binary file matches > > > + > > > +Decode this table::: > > > + > > > + $ sudo cp /sys/firmware/acpi/tables/SSDT27 . > > > + $ sudo iasl -d SSDT27 > > > > Nit: two colons are sufficient for literal code-block. > > Thanks. > > > > > > +To activate PM debugging, use the kernel command line option: ``pm_debug_messages``. > > > + > > > +Or enable the feature using the sysfs file: ``/sys/power/pm_debug_messages`` > > > +Constraints that are not met will be displayed in the kernel log and can be > > > +viewed using anything that processes the kernel ring buffer such as ``dmesg``` or > > > +``journalctl``. > > > > "To activate PM debugging, either specify ``pm_debug_messagess`` kernel > > command-line option at boot or write to ``/sys/power/pm_debug_messages``. > > Unmet constraints will be displayed in the kernel log and can be > > viewed by logging tools that process kernel ring buffer like dmesg or > > journalctl." > > > > > +`patch <https://lore.kernel.org/amd-gfx/20250305051402.1550046-3-chiahsuan.chung@xxxxxxx/T/#u>`_ > > > > What about that patchset status? It was not reviewed by upstream maintainers, > > right? > > > > At the time I wrote this document it wasn't yet merged. It's been since > merged, I will update to the commit details. > OK, thanks! -- An old man doll... just what I always wanted! - Clara
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