[Bug 41622] New: Server hangs when taking screenshots via qemu monitor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41622

           Summary: Server hangs when taking screenshots via qemu monitor
           Product: Spice
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: server
        AssignedTo: spice-bugs at lists.freedesktop.org
        ReportedBy: marcandre.lureau at gmail.com


A hang can occur while taking qemu screendumps and a spice client is connected:

Thread 2 (Thread 0x7f46aa7fd700 (LWP 23002)):
#0  0x000000373a0ab6ad in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#1  0x000000373a0d9954 in usleep (useconds=<optimized out>) at 
                ../sysdeps/unix/sysv/linux/usleep.c:33
#2  0x00007f46b1c39bc8 in flush_display_commands (worker=0x7f46aa6255e0) at 
                red_worker.c:8932
#3  0x00007f46b1c3a1b9 in handle_dev_update (worker=0x7f46aa6255e0) at
red_worker.c:10149
#4  handle_dev_input (listener=0x7f46aa6255e0, events=<optimized out>) at 
                red_worker.c:10416
#5  0x00007f46b1c3c582 in red_worker_main (arg=<optimized out>) at
red_worker.c:10803
#6  0x000000373a807b31 in start_thread (arg=0x7f46aa7fd700) at
pthread_create.c:305
#7  0x000000373a0dfd2d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

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