https://bugzilla.kernel.org/show_bug.cgi?id=200141
Bug ID: 200141
Summary: MacBookPro11,3 battery is wrongly reported as absent
Product: ACPI
Version: 2.5
Kernel Version: 4.18-rc1
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Battery
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 276695
--> https://bugzilla.kernel.org/attachment.cgi?id=276695&action=edit
dmesg and acpidump output
My MacBookPro11,3 no longer reports battery information, starting with the 4.17
kernel (and including 4.18-rc1), presumably due to /sys/class/power_supply/BAT0
no longer existing.
The relevant dmesg line appears to be:
Jun 19 14:43:09 aharvey-mbp-linux kernel: ACPI: Battery Slot [BAT0] (battery
absent)
On 4.16, this line was:
Jun 18 10:10:32 aharvey-mbp-linux kernel: ACPI: Battery Slot [BAT0] (battery
present)
This may have the same root cause as bug #199981, but since this is on
different hardware and is only manifesting on the battery and no other devices,
I'm going to open this separately for now.
I haven't had a chance to bisect the kernel yet, given the time required to do
so, but if that would be helpful please let me know and I'll start the process.
I've attached the dmesg and acpidump output.
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