* On 2007-11-25 Ico Doornekamp [off-list ref] wrote  :

quoted

Fbcon writes to the memory at fb_info.screen_base.

That is what I expected. I'll have to do a bit more debugging here then.

It seems that my driver did not fill the line_length member of
fb_fix_screeninfo, and no gets was copied by fbcon when this is missing.

I filled in this field, but now

  BUG: unable to handle kernel paging request at virtual address c882a800

  [<c882450c>] mbarcfb_imageblit+0xc/0x20 [mbarcfb]
  [<c881315d>] soft_cursor+0x15d/0x1bc [softcursor]
  [<c8817b38>] bit_cursor+0x338/0x5a8 [bitblit]
  [<c01c5c53>] vsnprintf+0x303/0x690

happens. Back to do some more debugging.

Thanks for your time,

Ico


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