Perhaps this is worth commenting on since I'm using similar hardware (Intel HD4000 graphics, Aspire S3-391) but I have the same issue with Kubuntu 13.04, kernel 3.10.4 mainline. This never happened with earlier kernels.
Perhaps this is worth commenting on since I'm using similar hardware (Intel HD4000 graphics, Aspire S3-391) but I have the same issue with Kubuntu 13.04, kernel 3.10.4 mainline. This never happened with earlier kernels.