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bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs


From: Eli Zaretskii
Subject: bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs
Date: Sun, 23 Jun 2013 20:27:46 +0300

> From: Lars Magne Ingebrigtsen <address@hidden>
> Date: Fri, 14 Jun 2013 10:05:17 +0200
> 
> Lars Magne Ingebrigtsen <address@hidden> writes:
> 
> > I don't have a test case for this bug, I'm afraid, but here's what I'm
> > seeing:
> 
> Oh, I just noticed from the trace.  This is repeated, time and time and
> time again:
> 
> [pid 21916]      0.000091 write(4, "\33[27;1H\33[K\33[H\33[?25l\33[33mR  [  
> 41"..., 123) = 123
> [pid 21916]      0.000161 write(4, "\r\n\33[33mR  \33[39;49m\33[4m\33[33m[  
> 55"..., 916) = 916
> [pid 21916]      0.000111 write(4, "\r\n\33[K\nRails ships with a 
> default"..., 287) = 287
> [pid 21916]      0.000140 write(4, "\n* \33[1mBeta:\33[0m For testing 
> fea"..., 675) = 675
> 
> "Rails ships with a default" is the text that's displayed on the
> screen.  So it seems to be repainting the entire screen over and over
> and over again?
> 
> That tallies with my surmise that Emacs was generating a lot a data
> traffic.

Any progress with investigating this?

Let me know if you need help.





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