(gdb) bt
#0  RecordAReply (pcbl=0x8204f00, nulldata=0x0, calldata=0xbee730b8)
    at ../../record/record.c:601
#1  0x08073866 in _CallCallbacks (pcbl=0x8204f00, call_data=0xbee730b8)
    at ../../dix/dixutils.c:743
#2  CallCallbacks (pcbl=0x8204f00, call_data=0xbee730b8)
    at ../../dix/dixutils.c:877
#3  0x080a4b6f in WriteToClient (who=0xa2e7268, count=1012, __buf=0xa31f0e0)
    at ../../os/io.c:800
#4  0xb787e28e in RecordFlushReplyBuffer (pContext=0xa31f0c8,
    data1=<value optimized out>, len1=0, data2=0x0, len2=0)
    at ../../record/record.c:251
#5  0xb787e314 in RecordFlushAllContexts (pcbl=0x8204f04, nulldata=0x0,
    calldata=0x0) at ../../record/record.c:867
#6  0x08073866 in _CallCallbacks (pcbl=0x8204f04, call_data=0x0)
    at ../../dix/dixutils.c:743
#7  CallCallbacks (pcbl=0x8204f04, call_data=0x0) at ../../dix/dixutils.c:877
#8  0x080a4a54 in WriteToClient (who=0xa2e7268, count=1012, __buf=0xa31f0e0)
    at ../../os/io.c:824
#9  0xb787e28e in RecordFlushReplyBuffer (pContext=0xa31f0c8,
    data1=<value optimized out>, len1=0, data2=0x0, len2=0)
    at ../../record/record.c:251
#10 0xb787e314 in RecordFlushAllContexts (pcbl=0x8204f04, nulldata=0x0,
    calldata=0x0) at ../../record/record.c:867
---Type <return> to continue, or q <return> to quit---q