Program received signal SIGSEGV, Segmentation fault. 0xb75cb7bc in pixman_image_set_has_client_clip (image=0x0, client_clip=1) at pixman-image.c:530 530 image->common.client_clip = client_clip; (gdb) bt f #0 0xb75cb7bc in pixman_image_set_has_client_clip (image=0x0, client_clip=1) at pixman-image.c:530 No locals. #1 0xb7145f4b in create_bits_picture (pict=0x966e3c0, has_clip=1, xoff=0xbfb27320, yoff=0xbfb2731c) at fbpict.c:317 pixmap = 0xb5aed008 bits = 0xb5aed038 stride = 662 bpp = 32 image = 0x0 #2 0xb7146289 in image_from_pict (pict=0x966e3c0, has_clip=1, xoff=0xbfb27320, yoff=0xbfb2731c) at fbpict.c:434 image = 0x0 #3 0xb7145a46 in fbComposite (op=1 '\001', pSrc=0x966e520, pMask=0x0, pDst=0x966e3c0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=2, yDst=25, width=658, height=438) at fbpict.c:171 src = 0x966e760 mask = 0x0 dest = 0x824de28 src_xoff = 0 src_yoff = 0 msk_xoff = -1078824104 msk_yoff = 136555216 dst_xoff = -67 dst_yoff = -231 #4 0x0812bc77 in damageComposite (op=1 '\001', pSrc=0x966e520, pMask=0x0, pDst=0x966e3c0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=2, yDst=25, width=658, height=438) at damage.c:643 pScreen = 0x9385ad0 ps = 0x9384238 pScrPriv = 0x93850a0 #5 0x08127f9a in CompositePicture (op=1 '\001', pSrc=0x966e520, pMask=0x0, pDst=0x966e3c0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=2, yDst=25, width=658, height=438) at picture.c:1714 ps = 0x9384238 #6 0x080ee826 in compWindowUpdateAutomatic (pWin=0x9685ff0) at compwindow.c:757 cw = 0x9687678 pScreen = 0x9385ad0 pParent = 0x9687578 pSrcPixmap = 0xb5a19008 pSrcFormat = 0x938a218 pDstFormat = 0x938a158 error = 0 pRegion = 0x96862c8 pSrcPicture = 0x966e520 subwindowMode = 1 pDstPicture = 0x966e3c0 #7 0x080ee8dc in compWindowUpdate (pWin=0x9685ff0) at compwindow.c:789 cw = 0x9687678 pChild = 0x0 #8 0x080ee88a in compWindowUpdate (pWin=0x9687578) at compwindow.c:782 pChild = 0x9685ff0 #9 0x080ee88a in compWindowUpdate (pWin=0x93a8a18) at compwindow.c:782 pChild = 0x9687578 #10 0x080eed0a in compScreenUpdate (pScreen=0x9385ad0) at compinit.c:144 ---Type to continue, or q to quit--- cs = 0x939a078 #11 0x080eed77 in compBlockHandler (i=0, blockData=0x0, pTimeout=0xbfb278b8, pReadmask=0x8250560) at compinit.c:159 pScreen = 0x9385ad0 cs = 0x939a078 #12 0x08078436 in BlockHandler (pTimeout=0xbfb278b8, pReadmask=0x8250560) at dixutils.c:369 i = 0 j = 0 #13 0x080b4cd1 in WaitForSomething (pClientsReady=0x95c4888) at WaitFor.c:216 i = 1 waittime = {tv_sec = 0, tv_usec = 0} wt = 0xbfb278bc timeout = 0 clientsReadable = {fds_bits = {0 }} clientsWritable = {fds_bits = {1, 157599136, -1078822936, 23068675, -1078822936, 134979492, 157737152, 136631488, 0, 3, -1219887243, 0, 0, 0, 157737984, 1, 154825744, 0, -1078822888, -1078822872, 1, -1078822780, -1219517941, 0, 256, 136555216, 136643840, 0, -1078822840, 135152154, 28, -1078822780}} curclient = 192 selecterr = 136555216 nready = -1078822600 devicesReadable = {fds_bits = {-1078823064, 135443563, 694, 256, 727, 69, 23068675, 16777285, 45482711, 0, 136555216, -1218994188, -1218989152, 134723637, -1078823032, -1219870259, -1, 157599144, 136555216, 23068675, 154688208, 1, 157599136, 154825976, 0, 136555216, 23068675, 0, -1078822856, 134945851, 154825744, 154825744}} now = 0 someReady = 1 #14 0x08068160 in Dispatch () at dispatch.c:375 clientReady = 0x95c4888 result = 0 client = 0x95dffa8 nready = -1 icheck = 0x824f85c start_tick = 600 #15 0x0806268d in main (argc=3, argv=0xbfb27a94, envp=0xbfb27aa4) at main.c:286 i = 1 alwaysCheckForInput = {0, 1} (gdb) bt #0 0xb75cb7bc in pixman_image_set_has_client_clip (image=0x0, client_clip=1) at pixman-image.c:530 #1 0xb7145f4b in create_bits_picture (pict=0x966e3c0, has_clip=1, xoff=0xbfb27320, yoff=0xbfb2731c) at fbpict.c:317 #2 0xb7146289 in image_from_pict (pict=0x966e3c0, has_clip=1, xoff=0xbfb27320, yoff=0xbfb2731c) at fbpict.c:434 #3 0xb7145a46 in fbComposite (op=1 '\001', pSrc=0x966e520, pMask=0x0, pDst=0x966e3c0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=2, yDst=25, width=658, height=438) at fbpict.c:171 #4 0x0812bc77 in damageComposite (op=1 '\001', pSrc=0x966e520, pMask=0x0, pDst=0x966e3c0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=2, yDst=25, width=658, height=438) at damage.c:643 #5 0x08127f9a in CompositePicture (op=1 '\001', pSrc=0x966e520, pMask=0x0, pDst=0x966e3c0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=2, yDst=25, width=658, height=438) at picture.c:1714 #6 0x080ee826 in compWindowUpdateAutomatic (pWin=0x9685ff0) at compwindow.c:757 #7 0x080ee8dc in compWindowUpdate (pWin=0x9685ff0) at compwindow.c:789 #8 0x080ee88a in compWindowUpdate (pWin=0x9687578) at compwindow.c:782 #9 0x080ee88a in compWindowUpdate (pWin=0x93a8a18) at compwindow.c:782 #10 0x080eed0a in compScreenUpdate (pScreen=0x9385ad0) at compinit.c:144 #11 0x080eed77 in compBlockHandler (i=0, blockData=0x0, pTimeout=0xbfb278b8, pReadmask=0x8250560) at compinit.c:159 #12 0x08078436 in BlockHandler (pTimeout=0xbfb278b8, pReadmask=0x8250560) at dixutils.c:369 #13 0x080b4cd1 in WaitForSomething (pClientsReady=0x95c4888) at WaitFor.c:216 #14 0x08068160 in Dispatch () at dispatch.c:375 #15 0x0806268d in main (argc=3, argv=0xbfb27a94, envp=0xbfb27aa4) at main.c:286 (gdb)