Description of problem: With the following card, booting fails if KMS is enabled. Passing nomodeset on the kernel command line allows vesa to work at least. When booting, the screen(s) come up with corruption with some of the buffers from the last boot on the screen tiled. What appears to be dmesg output is also there, paused. No keyboard input seems to be accepted. Ctrl+Alt+Del does trigger a reboot though. Don't know if it's a regression; never tried F15 or F16. 08:00.0 VGA compatible controller: ATI Technologies Inc NI Turks [AMD Radeon HD 6500] Will try with the newest kernel version (kernel-3.3.4-3.fc17.x86_64) soon. Version-Release number of selected component (if applicable): kernel-3.3.2-8.fc17.x86_64 How reproducible: Always.
The last message in the output seems to be "Loading TURKS microcode". This is with the latest Rawhide kernel (3.4.0-0.rc7.git1.1.fc18.x86_64).
Created attachment 585285 [details] dmesg output dmesg output after booting with nomodeset and then running: rmmod radeon && modprobe radeon modeset=1
The machine still runs and chugs along just fine but the monitors are getting no signal.
This also happens with Fedora 17 GA.
Created attachment 591886 [details] dmesg output with drm.debug=4
Still reproducable with xorg-x11-drv-ati-6.14.4-6.20120602git930760942.fc17.x86_64 and kernel-3.5.1-1.fc17.x86_64
This is still occurring in F18 as of a week or two ago (I'll try again when I do the upgrade to F19 on the relevant machine).
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