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SubjectRe: [GIT PULL] ACPI fixes for v5.16-rc3
On Fri, Nov 26, 2021 at 11:38 AM Rafael J. Wysocki <rafael@kernel.org> wrote:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
> acpi-5.16-rc3

Hmm. This may be unrelated, but I don't think I've seen this before..
On my laptop, I get

WARNING: CPU: 4 PID: 95940 at kernel/workqueue.c:1441 __queue_work+0x2f9/0x3b0
Workqueue: kec_query acpi_ec_event_processor
..
Call Trace:
<TASK>
queue_work_on+0x20/0x30
advance_transaction+0x1a1/0x500
acpi_ec_transaction+0x15c/0x410
acpi_ec_space_handler+0xd2/0x270
acpi_ev_address_space_dispatch+0x216/0x2a3
? acpi_ec_resume+0x20/0x20
acpi_ex_access_region+0x1dc/0x255
? acpi_os_wait_semaphore+0x48/0x70
acpi_ex_field_datum_io+0xfd/0x178
acpi_ex_read_data_from_field+0x12e/0x171
acpi_ex_resolve_node_to_value+0x1fe/0x281
acpi_ds_evaluate_name_path+0x75/0xe9
acpi_ds_exec_end_op+0x8f/0x411
acpi_ps_parse_loop+0x495/0x5bc
acpi_ps_parse_aml+0x94/0x2c2
acpi_ps_execute_method+0x15e/0x193
acpi_ns_evaluate+0x1c6/0x25d
acpi_evaluate_object+0x12e/0x226
acpi_ec_event_processor+0x63/0x90
process_one_work+0x217/0x3c0

and it seems to be happening at resume time.

This was when running a51e3ac43ddb, so not the very latest git tree,
but recent.

Maybe I've missed a report of this?

Linus

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