On Sat, Dec 31, 2011 at 02:26:35AM +0100, Vincent Lefevre wrote: > On 2011-12-30 20:16:43 -0500, Thomas Dickey wrote: > > Which window manager are you using? > > fvwm I'm baffled by this one (not able to reproduce the problem). In my initial response, I had in mind that perhaps the optimization that I did in #274/#275 to discard extra configure-events, and extra exposures (due to rapid scrolling) was the problem. If I could reproduce it, I'd do that with the debugging traces and re-examine the changes from #274/#275. Your xtrace output is showing only a few exposure events: 5.711 000:>:010b: Event Expose(12) window=0x02c00018 x=9 y=0 width=484 height=784 count=0x0000 5.711 000:>:010b: Event Expose(12) window=0x02c00019 x=0 y=0 width=8 height=784 count=0x0000 11.726 000:>:0242: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=108 width=275 height=3329 minor-opcode=0x000d count=0x0000 major-opcode=0x3e 11.729 000:>:024d: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=108 width=275 height=3329 minor-opcode=0x000d count=0x0000 major-opcode=0x3e 11.731 000:>:025e: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=82 width=275 height=9985 minor-opcode=0x0027 count=0x0000 major-opcode=0x3e 26.349 000:>:0396: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=108 width=275 height=3329 minor-opcode=0x000d count=0x0000 major-opcode=0x3e 26.351 000:>:03a5: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=108 width=275 height=3329 minor-opcode=0x000d count=0x0000 major-opcode=0x3e 26.353 000:>:03c2: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=17 width=275 height=26625 minor-opcode=0x0068 count=0x0000 major-opcode=0x3e 27.995 000:>:0455: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=43 width=275 height=19969 minor-opcode=0x004e count=0x0000 major-opcode=0x3e 34.750 000:>:053f: Event GraphicsExposure(13) drawable=0x02c00018 x=216 y=2 width=275 height=30465 minor-opcode=0x0077 count=0x0000 major-opcode=0x3e 45.532 000:>:0560: Event Expose(12) window=0x02c00018 x=9 y=0 width=484 height=121 count=0x0002 45.532 000:>:0560: Event Expose(12) window=0x02c00018 x=9 y=121 width=207 height=503 count=0x0001 45.532 000:>:0560: Event Expose(12) window=0x02c00018 x=9 y=624 width=484 height=160 count=0x0000 45.532 000:>:0560: Event Expose(12) window=0x02c00019 x=0 y=0 width=8 height=784 count=0x0000 Some of the heights look too large to me, those at 26.353 and 27.995, and the GraphicsExposure widths all look too small (perhaps those are the highlighting - but still, I'd expect more than just that). This type of problem is also possible in the X server - usually for specific drivers. (My display here is just vesa - mostly am using Parallels on Mac OS X - so the X server tends to be more stable than some of the drivers). -- Thomas E. Dickey <dickey@invisible-island.net> http://invisible-island.net ftp://invisible-island.net
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