http://bugzilla.kernel.org/show_bug.cgi?id=10509
Summary: Intel DG965RY system occasionally suspends back
immediately after resume
Product: ACPI
Version: 2.5
KernelVersion: 2.6.25
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Latest working kernel version: 2.6.20
Earliest failing kernel version: 2.6.24
Distribution: Debian etch
Hardware Environment: Intel DG965RY motherboard, P4 CPU 3.2GHz (family 15 model
6 stepping 5)
Software Environment: debian etch amd64
Problem Description: System occasionally suspends back immediately after resume
Steps to reproduce:
I'm using a 2.6.25 kernel. The system does suspend and resume correctly, but
sometimes (roughly 40% of the time I'd estimate) it suspends again just after
the resume succeeds.
The obvious workaround I've been using is to keep pressing the power button as
many times as needed for the machine to stay on. The nicer workaround is to
unload the button module right around a suspend to ram.
I did notice that when the system suspends multiple times, the value in
/sys/firmware/acpi/interrupts/ff_pwr_btn increments by that many times.
I do run acpid, and my powerbtn.sh script includes the following:
/etc/init.d/apcupsd stop
/etc/init.d/ntp stop
rmmod button # Need this as a workaround...
sync
echo mem > /sys/power/state
modprobe button # Need this as a workaround...
/etc/init.d/ntp start
sleep 5
/etc/init.d/apcupsd start
/etc/init.d/anacron start
I see there was a similar sounding thread "Machine shutdown after resume from
S3" back in february on different Intel hardware, but there was no apparent
resolution to it:
http://www.mail-archive.com/[EMAIL PROTECTED]/msg12328.html
I'll attach the acpidump output on that system if that is any help.
Thanks,
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