https://bugzilla.kernel.org/show_bug.cgi?id=211071
Bug ID: 211071
Summary: ACPI errors when plugin/unplugin AC on Lenovo T14s
Product: ACPI
Version: 2.5
Kernel Version: 5.9.16-200.fc33.x86_64
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ACPICA-Core
Assignee: acpi_acpica-c...@kernel-bugs.osdl.org
Reporter: robert.de.r...@gmail.com
Regression: No
Similar to closed issue https://bugzilla.kernel.org/show_bug.cgi?id=203199 I am
getting ACPI errors on a new T14s running the latest bios release (1.14) when
plugging and unplugging the power supply.
https://support.lenovo.com/lu/en/downloads/ds544146-bios-update-utility-bootable-cd-for-windows-10-64-bit-and-linux-thinkpad-t14s-gen-1-x13-gen-1
Jan 07 11:31:09 t14s kernel: ACPI BIOS Error (bug): AE_AML_PACKAGE_LIMIT, Index
(0x000000011) is beyond end of object (length 0x0) (20200717/exoparg2-393)
Jan 07 11:31:09 t14s kernel: ACPI Error: Aborting method \_SB.PCI0.LPCB.EC.BRNS
due to previous error (AE_AML_PACKAGE_LIMIT) (20200717/psparse-529)
Jan 07 11:31:09 t14s kernel: ACPI Error: Aborting method \_SB.PCI0.LPCB.EC._Q26
due to previous error (AE_AML_PACKAGE_LIMIT) (20200717/psparse-529)
$ dmesg |grep thinkpad
[ 7.578119] thinkpad_acpi: ThinkPad ACPI Extras v0.26
[ 7.578120] thinkpad_acpi: http://ibm-acpi.sf.net/
[ 7.578120] thinkpad_acpi: ThinkPad BIOS N2YET25W (1.14 ), EC N2YHT16W
[ 7.578121] thinkpad_acpi: Lenovo ThinkPad T14s Gen 1, model 20T0S1CV00
[ 7.578396] thinkpad_acpi: radio switch found; radios are enabled
[ 7.578409] thinkpad_acpi: This ThinkPad has standard ACPI backlight
brightness control, supported by the ACPI video driver
[ 7.578411] thinkpad_acpi: Disabling thinkpad-acpi brightness events by
default...
[ 7.580037] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is
unblocked
[ 7.581125] thinkpad_acpi: rfkill switch tpacpi_wwan_sw: radio is blocked
[ 7.594563] thinkpad_acpi: battery 1 registered (start 0, stop 100)
[ 7.595680] input: ThinkPad Extra Buttons as
/devices/platform/thinkpad_acpi/input/input23
[ 74.754790] thinkpad_acpi: undocked from hotplug port replicator
[ 80.392160] thinkpad_acpi: docked into hotplug port replicator
[23592.521308] thinkpad_acpi: undocked from hotplug port replicator
[76093.951061] thinkpad_acpi: docked into hotplug port replicator
[86467.204078] thinkpad_acpi: undocked from hotplug port replicator
[86571.914240] thinkpad_acpi: docked into hotplug port replicator
$ fwupdmgr update
Devices with no available firmware updates:
• Thunderbolt host controller
• USB3.1 Hub
• USB3.1 Hub
• Integrated Camera
• UEFI Device Firmware
• UEFI Device Firmware
• UEFI Device Firmware
• UEFI dbx
• USB2.0 Hub
• USB2.0 Hub
• Unifying Receiver
• VMM5322
Devices with the latest available firmware version:
• Embedded Controller
• Intel Management Engine
• KXG6AZNV1T02 TOSHIBA
• Prometheus
• Prometheus IOTA Config
• System Firmware
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