[CC: linux-fbdev-devel to find out what was wrong with the patch]
Marcelo Tosatti wrote:
> On Sat, 2 Nov 2002, Carl-Daniel Hailfinger wrote:
>>Marcelo Tosatti wrote:
>>
>>>Hi,
>>>
>>>Finally, rc1.
>>>[snipped]
>>>
>>>Please stress test it.
>>>
>>
>>My system comes up with a blank console after hardware suspend and resume.
>>The cursor is still visible, but no text is there. Switching to another
>>console and back fixes it. Vesafb is enabled with vga=791.
>>Hardware is a Toshiba Satellite 4100XCDT notebook with Trident Cyber9525DVD
>>graphics chipset, but this also can be reproduced with Dell notebooks.
>>
>>I just verified the problem exists still with 2.4.20-rc1.
>>A binary search turned up 2.4.18-pre7 as the kernel which broke,
>>specifically the changes made to apm.c back then.
> 
> 
> Have you tried to revert 2.4.18-pre7's changes to apm.c to make sure it is
> the cause?>

I tried it and found out that my results were incorrect. The problem was 
introduced in 2.4.18-pre1 by the changes to drivers/video/fbcon.c

Reverting the attached patch fixes my problem. However, I am not exactly 
sure why a patch intended to fix a PM problem introduced another one.

Regards
Carl-Daniel