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[Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>]

XMir 1.0 (the old Xorg extension) is now deprecated and is not being
maintained or fixed. It is replaced by the new 'Xmir' binary (package
'xmir') introduced in Ubuntu 15.10 wily.

Is there any way to reproduce this bug without the old Xmir?

** Changed in: mir
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1221234

Title:
  [Xmir] EQ overflowing

Status in Mir:
  Incomplete
Status in xorg-server package in Ubuntu:
  Invalid

Bug description:
  After I compiled and installed mir (trunk) and the most recent version
  of the unity system compositor I got this weird log:

  (EE) [mi] EQ overflowing.  Additional events will be discarded until existing events are processed.
  (EE) 
  (EE) Backtrace:
  (EE) 0: /usr/bin/X (xorg_backtrace+0x49) [0xb76c01a9]
  (EE) 1: /usr/bin/X (mieqEnqueue+0x213) [0xb76a0203]
  (EE) 2: /usr/bin/X (QueuePointerEvents+0x6d) [0xb757418d]
  (EE) 3: /usr/bin/X (xf86PostMotionEventM+0x24b) [0xb75ad82b]
  (EE) 4: /usr/lib/xorg/modules/input/evdev_drv.so (0xb6ecb000+0x4726) [0xb6ecf726]
  (EE) 5: /usr/bin/X (0xb7520000+0x7ce65) [0xb759ce65]
  (EE) 6: /usr/bin/X (0xb7520000+0xa7d3b) [0xb75c7d3b]
  (EE) 7: /lib/i386-linux-gnu/libpthread.so.0 (0xb73e6000+0xee48) [0xb73f4e48]
  (EE) 8: /lib/ld-linux.so.2 (0xb74fe000+0x1172) [0xb74ff172]
  (EE) 9: /lib/i386-linux-gnu/libpthread.so.0 (pthread_cond_wait+0xdb) [0xb73f084b]
  (EE) 10: /usr/lib/i386-linux-gnu/libstdc++.so.6 (_ZNSt18condition_variable4waitERSt11unique_lockISt5mutexE+0x25) [0xb6c812d5]
  (EE) 11: /usr/lib/i386-linux-gnu/libmirclient.so.2 (_ZN13MirWaitHandle12wait_for_allEv+0x5f) [0xb6e6e80f]
  (EE) 12: /usr/lib/i386-linux-gnu/libmirclient.so.2 (mir_wait_for+0x1f) [0xb6e6a54f]
  (EE) 13: /usr/lib/xorg/modules/extensions/libxmir.so (xmir_auth_drm_magic+0x3f) [0xb74f5b5f]
  (EE) 14: /usr/lib/xorg/modules/drivers/intel_drv.so (0xb60b9000+0xca677) [0xb6183677]
  (EE) 15: /usr/bin/X (DRI2Authenticate+0x5c) [0xb76912cc]
  (EE) 16: /usr/bin/X (0xb7520000+0x17209b) [0xb769209b]
  (EE) 17: /usr/bin/X (0xb7520000+0x3c46d) [0xb755c46d]
  (EE) 18: /usr/bin/X (0xb7520000+0x2a50a) [0xb754a50a]
  (EE) 19: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0xb70ea905]
  (EE) 20: /usr/bin/X (0xb7520000+0x2a8e8) [0xb754a8e8]
  (EE) 
  (EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
  (EE) [mi] mieq is *NOT* the cause.  It is a victim.
  (EE) [mi] EQ overflow continuing.  100 events have been dropped.

  ...

  [mi] EQ overflow continuing.  1000 events have been dropped.
  (EE) [mi] No further overflow reports will be reported until the clog is cleared.

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