http://bugzilla.kernel.org/show_bug.cgi?id=9730
Summary: No ACPI battery info
Product: ACPI
Version: 2.5
KernelVersion: 2.6.24-rc7
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Battery
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Latest working kernel version: 2.6.23
Earliest failing kernel version: 2.6.24-rc7
Distribution: mainline kernel with SuSe 10.3
Hardware Environment: PC Laptop (Gericom)
Software Environment: SuSe 10.3 kernel 2.6.24-rc7 with the following
Power Management options in .config:
# Power management options
#
CONFIG_PM=y
# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
CONFIG_PM_SLEEP=y
CONFIG_SUSPEND_UP_POSSIBLE=y
CONFIG_SUSPEND=y
CONFIG_HIBERNATION_UP_POSSIBLE=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
CONFIG_ACPI=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_PROCFS=y
CONFIG_ACPI_PROCFS_POWER=y
CONFIG_ACPI_PROC_EVENT=y
CONFIG_ACPI_AC=m
CONFIG_ACPI_BATTERY=m
CONFIG_ACPI_BUTTON=m
CONFIG_ACPI_VIDEO=m
CONFIG_ACPI_FAN=m
CONFIG_ACPI_DOCK=m
CONFIG_ACPI_BAY=m
CONFIG_ACPI_PROCESSOR=m
CONFIG_ACPI_THERMAL=m
# CONFIG_ACPI_ASUS is not set
CONFIG_ACPI_TOSHIBA=m
# CONFIG_ACPI_CUSTOM_DSDT is not set
CONFIG_ACPI_BLACKLIST_YEAR=2001
CONFIG_ACPI_DEBUG=y
# CONFIG_ACPI_DEBUG_FUNC_TRACE is not set
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_SYSTEM=y
CONFIG_X86_PM_TIMER=y
CONFIG_ACPI_CONTAINER=m
CONFIG_ACPI_SBS=m
# CONFIG_APM is not set
Problem Description:
No battery info available with 2.6.24-rc7 but it is available with 2.6.23.
The same setting in .config is used in both kernel. The 2.6.24-rc7 .config
was created simly by copiing it from 2.6.23 and make xconfig.
The symptom is that under 2.6.23 the directory /proc/acpi/battery/BAT0 is
created and under 2.6.24-rc7 not even the directory /proc/acpi/battery. If I
load the module 'battery' an empty "/proc/acpi/battery" will be created.
acpi -V shows the situation:
------- 2.6.23
$ acpi -V
Battery 1: charged, 100%
No support for device type: thermal
AC Adapter 1: on-line
------- 2.6.24-rc7 without module battery
$ acpi -V
No support for device type: battery
No support for device type: thermal
AC Adapter 1: on-line
------- 2.6.24-rc7 with module battery
$ acpi -V
No support for device type: thermal
AC Adapter 1: on-line
Steps to reproduce:
Start the two kernels on the same machine
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