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On Q1900TM-itx mb with the same BIOS setting 14.04.1 shows with at /proc/acpi/wakeup Device S-state Status Sysfs node XHC1 S4 *enabled pci:0000:00:14.0 PXSX S4 *enabled pci:0000:01:00.0 PXSX S4 *enabled pci:0000:02:00.0 PXSX S4 *disabled PWRB S0 *enabled 14.04.3 shows cat /proc/acpi/wakeup Device S-state Status Sysfs node UAR1 S4 *disabled XHC1 S4 *enabled pci:0000:00:14.0 EHC1 S4 *disabled PXSX S4 *disabled pci:0000:01:00.0 PXSX S4 *enabled pci:0000:02:00.0 PXSX S4 *disabled PWRB S0 *enabled platform:PNP0C0C:00 BRCM S0 *disabled BRC3 S0 *disabled ==> IN consequence, WOL is perfectly working on 14.04.1 and absolutlty nothing in 14.04.3 Trying to disable -> enable by ECHO PXSX > proc/acpi/wakeup . but the system dosn't allow !!! Could you support me ? Thanks in advance for your precious help JP ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: bot-comment -- /proc/acpi/wakeup differences between 14.04.1 & 14.04.3 https://bugs.launchpad.net/bugs/1516779 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp