Re: [PATCH]O18.1int

From: Alex Riesen (alexander.riesen_at_synopsys.COM)
Date: 08/25/03

  • Next message: Måns Rullgård: "Re: [PATCH]O18.1int" 
    Date:	Mon, 25 Aug 2003 12:34:20 +0200
To: Måns Rullgård <mru@users.sourceforge.net>

    Måns Rullgård, Mon, Aug 25, 2003 12:17:16 +0200:
    > Alex Riesen <alexander.riesen@synopsys.COM> writes:
    >
    > >> XEmacs still spins after running a background job like make or grep.
    > >> It's fine if I reverse patch-O16.2-O16.3. The spinning doesn't happen
    > >> as often, or as long time as with O16.3, but it's there and it's
    > >> irritating.
    > >
    > > another example is RXVT (an X terminal emulator). Starts spinnig after
    > > it's child has exited. Not always, but annoyingly often. System is
    > > almost locked while it spins (calling select).
    >
    > It sounds like the same bug. IMHO, it's rather bad, since a
    > non-privileged process can make the system unusable for a non-zero
    > amount of time.

    the source of RXVT looks more like the bug: it does not check for
    errors, even though it is a bit tricky to get portably.
    It is still a problem, though: "_almost_ locked" does not make it nice.

    > How should I do to capture some information about this thing?

    Use "top" and look at the dynamic priority.

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