Re: UPS freeze computer

From: Tim Launchbury (
Date: Wed Nov 07 2001 - 08:52:22 GMT

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    William Morris wrote:
    > On Fri, Nov 02, 2001 at 03:30:00PM +0000, Mike Ellis wrote:
    > > Hiya!
    > >
    > > >I frequently find that UPS causes my computer to run *very* slowly
    > > >for a period and then to recover for a while (eg when UPS hits a
    > > >breakpoint).  This makes the debugger almost unusable on certain
    > > >programs - it appears (although this may be coincidence) to be worst
    > > >on programs that use network sockets.
    > Mike
    > Thanks for suggestion.
    > > Just a wild stab in the dark - are you using "step" to miss out things like
    > > calls to socket(),  bind() etc,  or are you using "next".
    >         No, unfortunately the problem doesn't just appear on stepping,
    >         but on any activity (eg just running).  I was probably wrong
    >         to mention sockets - I don't think the problem is restricted
    >         to such programs.
    > An example of the problem:
    >         I just started a simple X client under ups.  The client is
    >         running with no break points.  It has no background activity
    >         so it is just waiting for X events.  Mutt is open partially
    >         hiding the debugger and the program under test and also
    >         partially hiding my clock (buiciClock).
    >         The clock second-hand is advancing in steps of 5-10 seconds
    >         (without UPS it is every second).  If I push Mutt to the back
    >         of the window stack, the clock, UPS and X client windows
    >         remain unrefreshed for 5=10 seconds after which they are
    >         repainted once (and the clock ticks on by the interval).
    >         xload is showing a heavy continuous load implying that UPS is
    >         busy doing something.
    > Any help greatfully received.
    > --
    > William Morris
    Just anither suggestion; What version of X are you using? I had the same
    problem going from X 3.xx to X v4.10. I dont know if somethin changed in
    the X architecture

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