Comment 26 for bug 564617
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#26 |
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0e1f616
(Get the code!)
Before you start bisecting:
video=vga16fb:off does not work because in Ubuntu vga16fb is compiled as module and kernel parameters does not affect it - you have to blacklist it by hand.
There's "vga16fb: not registering due to another framebuffer present" (which is Ubuntu addon) in kernel log so it should not load it, BUT it exercises broken failure path in vga16fb which is iounmapping memory region which was not ioremapped by vga16fb (VGA_MAP_MEM is defined differently on different architectures - on x86 it's NOT ioremap), so it might affect nouveau - I need to investigate it more.
In reply to comment 13:
IIRC Fedora does not enable vga16fb, so:
- it might be diffent bug
- this bug is not related to vga16fb at all