Created attachment 58551 [details]
Driver Stack Details:
3) Mesa-8.1-devel (git-5beba3d)
5) xf86-video-ati- master
Asic : M97
O.S. : Ubuntu-11.10 (32 bit)
Processor : AMD Athlon(tm) 64 X2 @ 1 GHz
Memory : 2 GB
Steps to Reproduce:
1) echo disk > /sys/power/state
System suspends to disk and screen goes to blank.
2) Use the wakeup device to wakeup the system
Observation : System unable to recover from suspend to disk using the wake up =========== device
Created attachment 58552 [details]
samit vats, Ubuntu 11.10 reached EOL on May 9, 2013. For more on this, please see https://wiki.ubuntu.com/Releases.
If this is reproducible with a supported release, it will help immensely if you filed a new report with Ubuntu by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information running the following from a terminal:
Also, please feel free to subscribe me to it.
For more on why this is helpful, please see https://wiki.ubuntu.com/ReportingBugs.