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From: Ico Doornekamp <fbdev@zevv.nl>
To: linux-fbdev-devel@lists.sourceforge.net
Subject: Re: Questions about fbdriver integration
Date: Sun, 25 Nov 2007 13:51:45 +0100	[thread overview]
Message-ID: <20071125125145.GK3183@pruts.nl> (raw)
In-Reply-To: <20071125105153.GH3183@pruts.nl>


* On 2007-11-25 Ico Doornekamp <fbdev@zevv.nl> wrote  :

> > 
> > 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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  reply	other threads:[~2007-11-25 12:52 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-24 21:43 Questions about fbdriver integration Ico Doornekamp
2007-11-24 22:09 ` Ico Doornekamp
2007-11-24 22:14 ` Ico Doornekamp
2007-11-24 22:49   ` Jaya Kumar
2007-11-25  9:05     ` Ico Doornekamp
2007-11-25 10:48       ` Jaya Kumar
2007-11-25 10:53         ` Ico Doornekamp
2007-11-25 11:12           ` Jaya Kumar
2007-11-25 11:21             ` Ico Doornekamp
2007-11-28 11:40         ` Ico Doornekamp
2007-11-28 13:00           ` Jaya Kumar
2007-11-28 13:11             ` Jaya Kumar
2007-11-28 13:21               ` Ico Doornekamp
2007-11-25  8:49 ` Geert Uytterhoeven
2007-11-25 10:51   ` Ico Doornekamp
2007-11-25 12:51     ` Ico Doornekamp [this message]
2007-11-25 13:32       ` Questions about fbdriver integration (solved) Ico Doornekamp
2007-11-25 22:17         ` Geert Uytterhoeven

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