On Mon, Mar 01, 2010 at 12:41:02AM -0700, David Mohr wrote: > On Sun, Feb 28, 2010 at 11:37 PM, Peter Hutterer > <[email protected]> wrote: > > On Sun, Feb 28, 2010 at 11:29:12PM -0700, David Mohr wrote: > >> I'm part of the minory who currently uses a Zaphod style dual monitor > >> setup with separate X screens for every monitor. When I recently > >> upgraded from 7.4 to 7.5, some utilites which I adopted[1] which > >> manipulate the mouse cursor started malfunctioning. My two X screens > >> are setup to be "apart" so that the mouse does not pass between them, > >> and I use my utilities to move the mouse between the two screens. But > >> with 7.5 every now and then a condition is triggered where the mouse > >> cursor will just continually jump from screen to screen, keeping the X > >> server at 100% CPU. I cannot even shut it down using > >> CTRL-ALT-Backspace. > >> > >> I've noticed comments in other threads on this mailing list that > >> Zaphod mode is not really supported any more (for completeness' sake, > >> I'm using the binary Nvidia drivers). So my question is, is there > >> value in trying to track down the bug in Xorg which causes the mouse > >> to jump back and forth? > > > > yes. I've seen this myself and I have not yet identified the issue. it's a > > server bug and unrelated to the binary driver. If you can help track this > > issue down, it would be much appreciated. > > Ok. Unfortunately I have not been able to find reliable conditions for > triggering the bug. I'll try again and see what I can find.
i found using a wacom tablet with a xinerama setup and then switch back and forth triggers it eventually. the problem is the "eventually" bit... > Is there any way to get good information out of the running X instance > once the bug has been triggered? I can only think of sending a signal > to get a core dump, but then I'm not sure how much useful information > that would contain. once it happens, gdb in and single-stepping may be the only approach. a backtrace would be great already, just to make sure if you're seeing the same problem as I am. Cheers, Peter _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
