First, thank you, Phillip. Your help is much appreciated! Back on latest Ubuntu 11.04 I switched to tty1, ran "echo mem > /sys/power/state" as root. The machine looked like it properly suspended, fans stopping, hdd spinning down. Waking up by pressing the power button caused the fans to run, hdd spin up, video signal stays off = stuck.
Pressing Alt + SysRQ + S then B didn't have any visible/audible effect - machine kept running in that state. I pressed the softreset button and the fans stopped for a moment, but I couldn't get it back to the BIOS logo (or any video signal for that matter). Only a hard reset by long power button press actually resets. Weird, isn't it? I just checked kern.log and syslog, but they don't state anything at all. It's a complete gap until the machine reboots after a hard reset. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/760842 Title: Natty Narwhal/Sandy Bridge Suspend Fails -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
