Please attach the output of "cat /proc/acpi/wakeup". Thanks, rui > -----Original Message----- > From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi- > owner@xxxxxxxxxxxxxxx] On Behalf Of Gianluca Anzolin > Sent: Wednesday, May 13, 2015 2:58 PM > To: linux-acpi@xxxxxxxxxxxxxxx > Subject: Debugging spurious wakeup > > Hello, > > I have a curious problem with my system: whenever I wake up the PC with a > WOL magic packet and then power it off the systems comes back to life after > a couple of seconds, by itself. > > I can reproduce the problem 100% of the times. > > I've been having this problems for years. I remember this same issue > occurred also with my previous computer, with a different mainboard. My > current system has an ASUS P8B-WS mb with a Xeon 1275v2 CPU. > > I've ruled out in the time many factors: traffic on the net (by disconnecting > the cable), RTC alarms (by disabling them)... long story short: I'm stuck. > > While I'm not the only one with this issue (see[1]), some people have > reported mixed success by blacklisting some components (xhci-pci) or by > setting unrelated BIOS options. Unfortunately these workarounds never > worked for me. > > So I'm here to ask if there is a way to get the source/cause of the last wakeup > by setting some ACPI debug option. This way I could at least pinpoint the > device/interface that caused the spontaneous wakeup and then debug > further or at least disable it. > > I've tried to enable the ACPI hardware-related messages with the kernel > arguments: acpi.debug_layer=0x2 acpi.debug_level=0xffffffff > > Unfortunately I can't see the information I'm looking for in the resulting > output. Should I enable some other debug_layer? Could anybody point me in > the right direction? > > Thank you and best regards, > > Gianluca > > [1] https://bbs.archlinux.org/viewtopic.php?id=173648 > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the > body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
