Public bug reported:
Hi,
Sometimes there's a hang that never happened earlier.
Ubuntu 24.04.
There's NUMEROUS error messages in dmesg like these (and the cycle repeats
every 5 sec or so I believe):
==================================================
[66469.063656] thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_BAD_PARAMETER
[66469.063665] ACPI: \: BCTG: evaluate failed
[66469.063722] thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_BAD_PARAMETER
[66469.063729] ACPI: \: BCTG: evaluate failed
[66469.063782] thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_BAD_PARAMETER
[66469.063788] ACPI: \: BCSG: evaluate failed
[66469.063863] thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_BAD_PARAMETER
[66469.063869] ACPI: \: BCSG: evaluate failed
[66469.604040] thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_BAD_PARAMETER
[66469.604059] ACPI: \: BCTG: evaluate failed
[66469.604156] thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_BAD_PARAMETER
[66469.604168] ACPI: \: BCTG: evaluate failed
[66469.604255] thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_BAD_PARAMETER
[66469.604266] ACPI: \: BCSG: evaluate failed
[66469.604358] thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_BAD_PARAMETER
[66469.604373] ACPI: \: B66474CSG: evaluate failed
[66474.058247] thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_BAD_PARAMETER
[66474.058260] ACPI: \: BCTG: evaluate failed
[66474.058326] thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_BAD_PARAMETER
[66474.058333] ACPI: \: BCTG: evaluate failed
[66474.058387] thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_BAD_PARAMETER
[66474.058394] ACPI: \: BCSG: evaluate failed
[66474.058447] thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_BAD_PARAMETER
[66474.058453] ACPI: \: BCSG: evaluate failed
[66474.059488] thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_BAD_PARAMETER
[66474.059497] ACPI: \: BCTG: evaluate failed
======================================================
Anybody knows whats "BCTG" and "BCSG"?
Kernel 6.14.0-37-generic
The actual package is linux-image-generic-hwe-24.04, but couldn't find it in
the search.
The above is written to syslog (which is huge now).
Thinkbook G7 ARP (Ryzen).
I believe this is a regression that started with a recent update.
Thank you.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: kernel-bug
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https://bugs.launchpad.net/bugs/2139014
Title:
Regression: Hang and numerous thinkpad_acpi: acpi_evalf failed:
AE_BAD_PARAMETER on HWE Kernel 6.14,Lenovo laptop
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