[Portland] [Bug 7678] New: xdg-screensaver resume hangs sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=7678          
     
           Summary: xdg-screensaver resume hangs sometimes
           Product: Portland
           Version: beta2
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: xdg-utils
        AssignedTo: portland at lists.freedesktop.org
        ReportedBy: tom.whipple at intel.com


xdg-screensaver resume sometimes hangs. Unfortunately, this appears to be
somewhat random in re-occurance, so I can't say exactly how to reproduce. It
seems to be tied to doing suspend/resume in a short period of time. (Note that a
'sleep 1' call in between doesn't always help.)

In the following example the command shown was repeted 3 times with no changes.
As quickly as the first two ended, I manually re-ran it. As I write this, the
third occurance has not returned.

In every case 'ps' reveals that it is the resume command that is hanging.

$ xdg-screensaver suspend $WINDOWID; echo $?; xdg-screensaver status;
xdg-screensaver resume $WINDOWID; echo $?; xdg-screensaver status
0
disabled
0
enabled

$ xdg-screensaver suspend $WINDOWID; echo $?; xdg-screensaver status;
xdg-screensaver resume $WINDOWID; echo $?; xdg-screensaver status
0
enabled
0
enabled

$ xdg-screensaver suspend $WINDOWID; echo $?; xdg-screensaver status;
xdg-screensaver resume $WINDOWID; echo $?; xdg-screensaver status
0
enabled
Terminated
143
enabled          
     
     
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