https://bugzilla.kernel.org/show_bug.cgi?id=67351
Bug ID: 67351
Summary: ACPI Fix that breaks _BIX table parsing.
Product: ACPI
Version: 2.5
Kernel Version: 3.8.0.31 onwards
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Power-Battery
Assignee: acpi_power-batt...@kernel-bugs.osdl.org
Reporter: f...@adinet.com.uy
Regression: Yes
Hello,
Before anything, sorry for my broken english:
The issue to be reported here, is that the "fix" for the bug:
https://bugzilla.kernel.org/show_bug.cgi?id=60519
which was merged from kernel 3.8.0.31 onwards; makes the battery module fail
on a laptop (NEC LZ750/LS) which previously worked. After removing the two
lines that the parch added and recompiling, it works again.
These are the lines that dmesg is now showing:
[ 2.272970] ACPI Warning: For \_SB_.PCI0.LPCB.EC__.BAT1._BIX: Return Package
is too small - found 19 elements, expected 20 (20121018/nspredef-679)
[ 2.272985] battery: probe of PNP0C0A:00 failed with error -14
The "fix" for that issue should be removed, or at least rewritten, since it
breaks compatibility with hardware that's somewhat new, and still on sale.
acpidump is attached to the refferenced bug.
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