atyfb regression - screen blank except for blinking cursor after fbcon vtswitch
Bug #201591 reported by
Jeremy Jackson
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Medium
|
Tim Gardner | ||
Hardy |
Fix Released
|
Medium
|
Tim Gardner |
Bug Description
In Gutsy it's working, 2.6.22 kernel. In linux-image-2.6 2.6.24-12.20 it starts up, with "modprobe fbcon; modprobe atyfb", but the first time you switch VTs with Alt-F2, all VTs are blank except for blinking cursor. The position seems to correspond with output, and it moves when you type, but there's no text.
I noticed that 3 CONFIG_FB_ options are changed from "m" in Gutsy, to "y" in Hardy:
CONFIG_
CONFIG_
CONFIG_
I am recompiling now with them set back to "m" and see what happens.
Hardware is ATI Technologies Inc Rage XL (rev 27), integrated on Tyan S2865 motherboard Athlon64 CPU.
Changed in linux: | |
status: | Incomplete → Confirmed |
Changed in linux: | |
assignee: | nobody → ben-collins |
importance: | Undecided → Medium |
milestone: | none → ubuntu-8.04 |
status: | Confirmed → In Progress |
Changed in linux: | |
milestone: | ubuntu-8.04 → none |
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Testing modules compiled with the above config options "m" makes no difference. I tried compiling and insmod-ing them when booted from the precompiled kernel of exact same Ubuntu version.
I now belive this is a regression in 2.6.24 kernels.