Archive:HOW-TO:Enable Wake-On-Device for Ubuntu
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This Article discusses enabling wake-up from your remote device.
Identification of resume devices
- From your terminal type the following to gain a list of all authorized resume devices
cat /proc/acpi/wakeup
EG.
root@XBMCLive:~# cat /proc/acpi/wakeup Device S-state Status Sysfs node HUB0 S5 disabled pci:0000:00:04.0 XVR0 S5 disabled pci:0000:00:09.0 XVR1 S5 disabled pci:0000:00:0b.0 XVR2 S5 disabled pci:0000:00:0c.0 PS2M S4 disabled pnp:00:08 PS2K S4 disabled pnp:00:09 USB0 S3 disabled pci:0000:00:02.0 USB2 S3 disabled pci:0000:00:02.1 AZAD S5 disabled pci:0000:00:05.0 MMAC S5 disabled pci:0000:00:07.0
Enabling wakeup status for devices
- enable wakeup devices to resume the computer by typing the following where **** is replaced with the corresponding device
echo **** > /proc/acpi/wakeup
EG.
root@XBMCLive:~# echo USB0 > /proc/acpi/wakeup root@XBMCLive:~# echo USB2 > /proc/acpi/wakeup
- Type the following to verify proper wakeup device status
cat /proc/acpi/wakeup
Verification of wakeup status
EG.
root@XBMCLive:~# cat /proc/acpi/wakeup Device S-state Status Sysfs node HUB0 S5 disabled pci:0000:00:04.0 XVR0 S5 disabled pci:0000:00:09.0 XVR1 S5 disabled pci:0000:00:0b.0 XVR2 S5 disabled pci:0000:00:0c.0 PS2M S4 disabled pnp:00:08 PS2K S4 disabled pnp:00:09 USB0 S3 enabled pci:0000:00:02.0 USB2 S3 enabled pci:0000:00:02.1 AZAD S5 disabled pci:0000:00:05.0 MMAC S5 disabled pci:0000:00:07.0
You should now see that your devices are enabled. Test your resume function at this time and verify proper operation.