[vbox-dev] OSE VNC Crash

Howard Su howard0su at gmail.com
Mon Jan 24 04:44:19 PST 2011

I got the following crash (segment fault) when I am using VboxHeadless with
VNC. It crashes during reboot of guest XP os.

I captured the core file and crash stack is following:

(gdb) where
#0  rfbTranslateWithRGBTables32to32 (table=0x8027c7800 "", in=0x802385838,
out=Variable "out" is not available.) at tabletranstemplate.c:104
#1  0x0000000800677482 in rfbSendRectEncodingRaw (cl=0x80273e000, x=Variable
"x" is not available.) at rfbserver.c:2936
#2  0x0000000800678d05 in rfbSendFramebufferUpdate
(cl=0x80273e000, givenUpdateRegion=Variable "givenUpdateRegion" is not
available.) at rfbserver.c:2769
#3  0x00000008006755fe in rfbProcessEvents (screen=0x802385800,
usec=Variable "usec" is not available.) at main.c:1089
#4  0x0000000800675665 in rfbRunEventLoop (screen=0x802385800, usec=5000,
 runInBackground=0 '\0') at main.c:1150
#5  0x000000000040eb95 in VNCFB::vncThreadFn
(hThreadSelf=0x8022f3800,  pvUser=0x802385800)    at
#6  0x000000080087716b in rtThreadMain (pThread=0x8022f3800,
 NativeThread=34395429632, pszThreadName=0x8022f40d8 "VNC")     at
#7  0x000000080090cd9d in rtThreadNativeMain (pvArgs=0x8022f3800)    at
#8  0x0000000801621511 in pthread_getprio () from /lib/libthr.so.3

Any idea? I suspend this is due to thread sync when vbox is switching

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