VERY likely a gfx-driver problem, i'm using the open-source radeon driver.
** Summary changed: - computer randomly freezes with screen coruption (Radeon HD 5750) + computer randomly freezes with screen coruption (Radeon HD 5750, IOMMU enabled) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1302574 Title: computer randomly freezes with screen coruption (Radeon HD 5750, IOMMU enabled) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1302574/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs