Red Hat Bugzilla – Bug 428491
/proc/acpi/alarm can't be disabled, computer boots automatically
Last modified: 2008-11-29 18:54:08 EST
Description of problem:
After installing f8 I noticed my pc booting up by itself at the same time every
day. When I found out about /proc/acpi/alarm I tried to disable it with echo 0 >
/proc/acpi/alarm, but that didn't work. It messed with the bios clock and didn't
stop the problem. If I shut down from f8 my pc will boot up again at midnight,
if I shutdown from another OS it stays off.
Version-Release number of selected component (if applicable):
I assume this is somehow specific to my hardware (MSI-6728), so I'd like some
further pointers on how to investigate this, to help fix it.
This auto-booting also happened for a while on f7, while the kernel had the rtc
patch (it moved the alarm to /sys/class/rtc/rtc0/wakealarm), which was reverted
before I filed a bug.
Can you try:
echo "2008-01-00 00:00:00" >/proc/acpi/alarm
Thanks for your suggestion, but it woke up again.
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I think this has been fixed upstream during f9. I don't know when because I had a workaround in place. The bug was still there when fedora 9 came out.
I'll close it, optimistically assuming it's really gone.