[Xquartz-dev] 2.5.0_beta1

[Jeremy Huddleston]

That sample looks like an X11 server sitting idle waiting for events...

It sounds like most of the X11 server functionality is working.  From your use case, I don't think the server is frozen.  My guess is that whatever application you were running is what actually froze, not the server.

If this happens again, can you sample your quartz-wm process as well as the application itself?

Thanks,
Jeremy

On Dec 3, 2009, at 22:08, Tom Lane wrote:

> Jeremy Huddleston <jeremyhu at apple.com> writes:
>> Please let me know if there are any issues.
> 
> Just had a most bizarre semi-freezeup in 2.5.0_beta1, unlike anything
> I've ever seen before.  All of my existing windows stopped responding
> to mouse clicks --- in some of them a click produced a double beep,
> in others nothing.  I could still open new windows, switch focus
> via command-digit, and type into the active window.  X11's menus
> still worked too, and I could quit normally.
> 
> Once before, Jeremy asked for an activity monitor sample of X11 to
> investigate a freezeup, so I took one before restarting X11.
> 
> I have a grand total of perhaps an hour's runtime with 2.5.0_beta1
> so far, so I'm suspecting this won't be too terribly hard to reproduce.
> What data should I gather next time?
> 
> 			regards, tom lane
> 
> Sampling process 142 for 3 seconds with 1 millisecond of run time between samples
> Sampling completed, processing symbols...
> Analysis of sampling X11.bin (pid 142) every 1 millisecond
> Call graph:
>    2342 Thread_875   DispatchQueue_1: com.apple.main-thread  (serial)
>      2342 start
>        2342 main
>          2342 mach_msg_server
>            2342 mach_startup_server
>              2342 _Xstart_x11_server
>                2342 do_start_x11_server
>                  2342 server_main
>                    2342 X11ApplicationMain
>                      2342 -[NSApplication run]
>                        2342 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
>                          2342 _DPSNextEvent
>                            2342 BlockUntilNextEventMatchingListInMode
>                              2342 ReceiveNextEventCommon
>                                2342 RunCurrentEventLoopInMode
>                                  2342 CFRunLoopRunSpecific
>                                    2342 __CFRunLoopRun
>                                      2342 mach_msg
>                                        2342 mach_msg_trap
>    2342 Thread_966   DispatchQueue_2: com.apple.libdispatch-manager  (serial)
>      2342 start_wqthread
>        2342 _pthread_wqthread
>          2342 _dispatch_worker_thread2
>            2342 _dispatch_queue_invoke
>              2342 _dispatch_mgr_invoke
>                2342 kevent
>    2342 Thread_975
>      2342 thread_start
>        2342 _pthread_start
>          2342 server_thread
>            2342 dix_main
>              2342 Dispatch
>                2342 WaitForSomething
>                  2342 select$DARWIN_EXTSN
>    2342 Thread_976
>      2342 thread_start
>        2342 _pthread_start
>          2342 xpbproxy_x_thread
>            2342 xpbproxy_input_loop
>              2342 _pthread_cond_wait
>                2342 __semwait_signal
>    2342 Thread_987
>      2342 thread_start
>        2342 _pthread_start
>          2342 DarwinProcessFDAdditionQueue_thread
>            2342 _pthread_cond_wait
>              2342 __semwait_signal
>    2342 Thread_995
>      2342 thread_start
>        2342 _pthread_start
>          2342 __CFSocketManager
>            2342 select$DARWIN_EXTSN
>    2342 Thread_999
>      2342 thread_start
>        2342 _pthread_start
>          2342 _xp_async_thread
>            2342 _xp_async_dequeue
>              2342 _pthread_cond_wait
>                2342 __semwait_signal
> 
> Total number in stack (recursive counted multiple, when >=5):
>        5       _pthread_start
>        5       thread_start
> 
> Sort by top of stack, same collapsed (when >= 5):
>        __semwait_signal        7026
>        select$DARWIN_EXTSN        4684
>        kevent        2342
>        mach_msg_trap        2342
> Sample analysis of process 142 written to file /dev/stdout
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