http://bugzilla.kernel.org/show_bug.cgi?id=8709
Summary: EmbeddedControl AE_TIME errors, /proc/acpi/battery/* not
present
Product: ACPI
Version: 2.5
KernelVersion: 2.6.22-rc7
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Battery
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Most recent kernel where this bug did not occur:
Battery and other ACPI-related features used to work in 2.6.20
Distribution: Ubuntu (7.04 with 2.6.20 - works, alpha 7.10 with 2.6.22-rc -
does not work)
Hardware Environment:
ASUS M6r
Problem Description:
2.6.22-rc kernels are unable to check battery status.
The following errors show up in dmesg at boot:
ACPI: EC: acpi_ec_wait timeout, status = 255, expect_event = 2
ACPI: EC: input buffer is not empty, aborting transaction
ACPI Exception (evregion-0420): AE_TIME, Returned by Handler for
[EmbeddedControl] [20070126]
ACPI Error (psparse-0537): Method parse/execution failed
[\_SB_.PCI0.SBRG.EC0_.RDC3] (Node ddf07f04), AE_TIME
ACPI Error (psparse-0537): Method parse/execution failed [\ECIO] (Node
ddf0975c), AE_TIME
ACPI Error (psparse-0537): Method parse/execution failed
[\_SB_.PCI0.SBRG.EC0_.ACPS] (Node ddf07f68), AE_TIME
ACPI Error (psparse-0537): Method parse/execution failed [\ACPS] (Node
ddf04c70), AE_TIME
ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.AC0_._PSR]
(Node ddf07b80), AE_TIME
ACPI Exception (ac-0095): AE_TIME, Error reading AC Adapter state [20070126]
ACPI: EC: acpi_ec_wait timeout, status = 255, expect_event = 2
ACPI: EC: input buffer is not empty, aborting transaction
ACPI Exception (evregion-0420): AE_TIME, Returned by Handler for
[EmbeddedControl] [20070126]
ACPI Exception (dswexec-0462): AE_TIME, While resolving operands for
[OpcodeName unavailable] [20070126]
ACPI Error (psparse-0537): Method parse/execution failed
[\_SB_.PCI0.SBRG.EC0_.SMBR] (Node ddf07d24), AE_TIME
ACPI Error (psparse-0537): Method parse/execution failed
[\_SB_.PCI0.SBRG.EC0_.BIF0] (Node ddf07900), AE_TIME
ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.BAT0._BIF]
(Node ddf07a2c), AE_TIME
ACPI Exception (battery-0147): AE_TIME, Evaluating _BIF [20070126]
This laptop experienced EC problems before (described in bug 4150 and bug
6111).
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