https://bugzilla.kernel.org/show_bug.cgi?id=201153
Bug ID: 201153
Summary: Lenovo ThinkPad X230 UltraBase docking unreliable
since 4.16
Product: ACPI
Version: 2.5
Kernel Version: 4.18.3
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Config-Hotplug
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Since upgrading from 4.15.x to 4.16 (and all kernels after 4.16), connecting
the UltraBase after boot (as opposed to booting with the UltraBase connected)
has been unreliable with regards to the UltraBay Slim slot. Sometimes the
UltraBay Slim device is recognized and shows up correctly; other times (which
has been basically every time recently), the device doesn't show up, and dmesg
shows an ACPI error:
[145643.405090] ACPI Error: Method parse/execution failed
\_SB.PCI0.LPC.EC.IRDY, AE_AML_LOOP_TIMEOUT (20180531/psparse-516)
[145643.405103] ACPI Error: Method parse/execution failed \_SB.PCI0.LPC.EC.BEN,
AE_AML_LOOP_TIMEOUT (20180531/psparse-516)
[145643.405109] ACPI Error: Method parse/execution failed
\_SB.PCI0.LPC.EC.NBIN, AE_AML_LOOP_TIMEOUT (20180531/psparse-516)
[145643.405115] ACPI Error: Method parse/execution failed
\_SB.PCI0.LPC.EC._Q38, AE_AML_LOOP_TIMEOUT (20180531/psparse-516)
Sometimes it also shows this message:
[175451.612897] ACPI: \_SB_.PCI0.SAT1.PRT1: docking
[175451.613125] ACPI: \_SB_.PCI0.SAT1.PRT1: Unable to dock!
Please let me know if there's any other information that would be useful for
fixing this bug.
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