I've also triggered this error under xtrace (log attached). The interesting parts are:
000:<:0652: 24: Request(20): GetProperty delete=false(0x00) window=0x00400004 property=0x27("WM_NAME") type=0x1f("STRING") long-offset=0x00000000 long-length=0xffffffff 000:>:0652:40: Reply to GetProperty: type=0x1f("STRING") bytes-after=0x00000000 data='xsplash'
-------
000:>:07e5:32: Reply to GetInputFocus: revert-to=PointerRoot(0x01) focus=0x02e00004 000:<:07e6: 24: Request(20): GetProperty delete=false(0x00) window=0x02e00004 property=0x27("WM_NAME") type=0x1f("STRING") long-offset=0x00000000 long-length=0xffffffff 000:>:07e6: Event PropertyNotify(28) window=0x000000fc atom=0xf1("_NET_ACTIVE_WINDOW") time=0x00404b8a state=NewValue(0x00) 000:>:07e6:48: Reply to GetProperty: type=0x1f("STRING") bytes-after=0x00000000 data='System Monitor' 000:<:07e7: 4: Request(43): GetInputFocus 000:>:07e7:32: Reply to GetInputFocus: revert-to=PointerRoot(0x01) focus=0x02e00004 000:<:07e8: 24: Request(20): GetProperty delete=false(0x00) window=0x00400004 property=0x15f("XKLAVIER_TRANSPARENT") type=0x13("INTEGER") long-offset=0x00000000 long-length=0x00000001 000:>:7e8:Error 8=Match: major=0, minor=20, bad=4194308 000:>:07e8: Event PropertyNotify(28) window=0x01c00003 atom=0x13f(unrecognized atom) time=0x00404c69 state=NewValue(0x00)
I've only so far seen this error when XGetWindowProperty is called on the xsplash window, which is really wierd. Also, BadMatch is not documented in xlib as a valid error from this xlib call.
I've also triggered this error under xtrace (log attached). The interesting parts are:
000:<:0652: 24: Request(20): GetProperty delete=false(0x00) window=0x00400004 property= 0x27("WM_ NAME") type=0x1f("STRING") long-offset= 0x00000000 long-length= 0xffffffff 0x00000000 data='xsplash'
000:>:0652:40: Reply to GetProperty: type=0x1f("STRING") bytes-after=
-------
000:>:07e5:32: Reply to GetInputFocus: revert- to=PointerRoot( 0x01) focus=0x02e00004 0x27("WM_ NAME") type=0x1f("STRING") long-offset= 0x00000000 long-length= 0xffffffff "_NET_ACTIVE_ WINDOW" ) time=0x00404b8a state=NewValue( 0x00) 0x00000000 data='System Monitor' to=PointerRoot( 0x01) focus=0x02e00004 0x15f(" XKLAVIER_ TRANSPARENT" ) type=0x13( "INTEGER" ) long-offset= 0x00000000 long-length= 0x00000001 unrecognized atom) time=0x00404c69 state=NewValue( 0x00)
000:<:07e6: 24: Request(20): GetProperty delete=false(0x00) window=0x02e00004 property=
000:>:07e6: Event PropertyNotify(28) window=0x000000fc atom=0xf1(
000:>:07e6:48: Reply to GetProperty: type=0x1f("STRING") bytes-after=
000:<:07e7: 4: Request(43): GetInputFocus
000:>:07e7:32: Reply to GetInputFocus: revert-
000:<:07e8: 24: Request(20): GetProperty delete=false(0x00) window=0x00400004 property=
000:>:7e8:Error 8=Match: major=0, minor=20, bad=4194308
000:>:07e8: Event PropertyNotify(28) window=0x01c00003 atom=0x13f(
I've only so far seen this error when XGetWindowProperty is called on the xsplash window, which is really wierd. Also, BadMatch is not documented in xlib as a valid error from this xlib call.