http://bugzilla.kernel.org/show_bug.cgi?id=10010
Summary: Spurious RTC wakeup at 00:00
Product: ACPI
Version: 2.5
KernelVersion: 2.6.24.2
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Off
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Hardware Environment:
Intel 865PE chipset
Prescott CPU
Software Environment:
Wake on RTC is disabled in BIOS.
RTC wakeup time is unset, still at default 00:00.
Problem Description:
After ACPI shutdown in Linux, computer turns itself back on at the RTC wakeup
time (00:00) even though RTC wakeup is disabled in BIOS and not otherwise
requested.
Previously it appeared that enabling the kernel config option "Enhanced Real
Time Clock Support" solved this problem. However, since upgrading to mainline
kernel 2.6.24.2, the problem occurs even though this option is enabled.
Steps to reproduce:
1. Install kernel using the attached config.
2. hwclock --set --date="2/17/2008 23:58"
3. shutdown -t 1 -h now
4. Wait 2 minutes
Workaround 1:
Disable ACPI.
Workaround 2:
Revert to kernel 2.6.23.9 and ensure that the kernel option "Enhanced Real Time
Clock Support" is enabled.
History: bug 4835, bug 4896, bug 5694.
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