Description of problem: after switching to console and back, the system hangs entirely, until reset button pressed. How reproducible: All the time. Checked three times. Steps to Reproduce: 1. Boot to LiveUSB 2. Switch to second console by ALT+CTRL+F2 3. Login as root 4. Switch back by ALT+CTRL+F1 Actual results: Complete hang up. Expected results: Gnome shell desktop. Additional info:
Also seen on a Radeon HD4570 Details of setup at [https://fedoraproject.org/wiki/Test_Day:2012-09-26_Radeon] user James. On switching to VT1 screen will enter infinite loop of flashing black and white. Login in as root is not required. Bug is reproducible by 1. Boot to LiveUSB 2. Switch to second console by ALT+CTRL+F2 4. Switch back by ALT+CTRL+F1
I didn't have flashing black and white. Just no signal.
I just retested on Fedora 18 final release. The issue still exists.
Dave, is there anything we can do to help you fixing this bug?
Anecdotical evidence: I'm running Ubuntu 12.4 on such a device using evil binary drivers. The screen will remain black or frozen if one just boots. But it works if I just enter the "bios" and exit it.
Binary drivers are completely different code than xorg-x11-drv-ati. This is only evidence that HW is working and maybe there is some bug in BIOS. Could you try your enter BIOS and exit scenario with F18 using xorg-x11-drv-ati?
Ben and James, are you able to reproduce it on latest Fedora 18 or 19?
I can no longer produce this issue on an up to date Fedora 19.
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