http://bugzilla.kernel.org/show_bug.cgi?id=11411
Summary: Regression 2.6.26-rc5 .. 2.6.26-rc6: RTC wakeup doesn't
work anymore
Product: ACPI
Version: 2.5
KernelVersion: 2.6.26-rc6
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Off
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED], [EMAIL PROTECTED],
[EMAIL PROTECTED]
Latest working kernel version:
2.6.26-rc5
Earliest failing kernel version:
2.6.26-rc6
Distribution:
Debian Etch with some packages from Lenny
Hardware Environment:
Gigabyte GA-6OXM7 (RTC can wake from S4, alarms up to one month)
00:00.0 Host bridge: Intel Corporation 82815 815 Chipset Host Bridge and Memory
Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82815 CGC [Chipset
Graphics Controller] (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02)
00:1f.0 ISA bridge: Intel Corporation 82801AA ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801AA IDE (rev 02)
01:04.0 Network controller: RaLink RT2561/RT61 802.11g PCI
01:05.0 Ethernet controller: Intel Corporation 82545GM Gigabit Ethernet
Controller (rev 04)
01:08.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
01:0a.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
Software Environment:
Video Disk Recorder (VDR)
Problem Description:
After setting the wakeup time via /sys/class/rtc/rtc0/wakealarm, the system
does'nt wake up anymore.
RTC runs in UTC, RTC wakeup is enabled in BIOS.
Git bisect figured out that e1094bfa26e5e94af2fea79e004614dbce42b008 (ACPI:
Disable Fixed_RTC event when installing RTC handler) caused this regression.
(See bug 10010)
Steps to reproduce:
echo 0 > /sys/class/rtc/rtc0/wakealarm
date +%s -d "+4 minutes" > /sys/class/rtc/rtc0/wakealarm
halt
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