From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Ulanov Subject: Re: Problem with cfb_imageblit Date: Fri, 24 May 2002 21:30:54 +0400 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <20020524173054.GA2000@gleam.rt.mipt.ru> References: <1022214909.540.1.camel@daplas> Mime-Version: 1.0 Return-path: Received: from frtk-campus-gw.mipt.ru ([194.85.82.97]) by usw-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 17BIuE-0004IC-00 for ; Fri, 24 May 2002 10:31:11 -0700 Received: from gleam.rt.mipt.ru (qmailr@vocord.rt.mipt.ru [194.85.82.184]) by frtk-campus-gw.mipt.ru (8.12.1/8.12.1) with SMTP id g4OHUtXf029382 for ; Fri, 24 May 2002 21:30:55 +0400 Content-Disposition: inline In-Reply-To: <1022214909.540.1.camel@daplas> Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Antonino Daplas Cc: fbdev On Fri, May 24, 2002 at 09:19:09PM +0800, Antonino Daplas wrote: > I have an unusual problem with cfb_imageblit. I'm not too sure if this > is unique to my system. I get garbage pixels. For example the > underscore character (_) appears like this magnified: > > 01234567 > 0 > . > . > . > > 13 ******* > 14 * > 15 ** <-- belongs to apostrophe char > > It seems that the image is off by one bit and one row of pixels so it > also includes the first row of pixels of the next character (`) in > fontdata. > Any comments? Some time ago I had the same problem even under X Window and Window$. And it seems it's problem with hardware. Try to reduce system bus frequency. -- with best regards, Andrey Ulanov. drey@rt.mipt.ru _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm