GNU gdb (GDB) 6.8.50.20090628-cvs-debian
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
(no debugging symbols found)
(gdb) handle SIG33 pass nostop noprint
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) run
Starting program: /usr/bin/blender-bin 
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[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) backtrace full
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007fffee0caf53 in fast_read_rgba_pixels (ctx=0x1696440, x=<value optimized out>, y=<value optimized out>, width=379, height=27, format=<value optimized out>, type=5121, pixels=0x28fa690, packing=0x7fffffffdec0) at swrast/s_readpix.c:240
        dstStride = <value optimized out>
        dest = 0x28fac7c ""
        row = 1
#2  read_rgba_pixels (ctx=0x1696440, x=<value optimized out>, y=<value optimized out>, width=379, height=27, format=<value optimized out>, type=5121, pixels=0x28fa690, packing=0x7fffffffdec0) at swrast/s_readpix.c:336
        transferOps = 0
        fb = <value optimized out>
        rb = 0x19e8950
#3  0x00007fffee0cb510 in _swrast_ReadPixels (ctx=0x1696440, x=22, y=147, width=379, height=27, format=6408, type=5121, packing=0x16a3e98, pixels=0x28fa690) at swrast/s_readpix.c:605
        clippedPacking = {Alignment = 4, RowLength = 379, SkipPixels = 0, SkipRows = 0, ImageHeight = 0, SkipImages = 0, SwapBytes = 0 '\0', LsbFirst = 0 '\0', ClientStorage = 0 '\0', Invert = 0 '\0', BufferObj = 0x1654c00}
#4  0x00007fffee046198 in _mesa_ReadPixels (x=<value optimized out>, y=<value optimized out>, width=379, height=27, format=6408, type=5121, pixels=0x28fa690) at main/readpix.c:208
        ctx = 0x1696440
#5  0x00000000005b06eb in ?? ()
No symbol table info available.
#6  0x00000000005b5eda in ?? ()
No symbol table info available.
#7  0x00000000005b6706 in uiDoBlocks ()
No symbol table info available.
#8  0x00000000005d806a in screenmain ()
No symbol table info available.
#9  0x000000000059be64 in main ()
No symbol table info available.
(gdb) info registers
rax            0x28fa690	42968720
rbx            0x1696440	23684160
rcx            0x16	22
rdx            0x17b	379
rsi            0x19e8950	27167056
rdi            0x1696440	23684160
rbp            0x1	0x1
rsp            0x7fffffff9d98	0x7fffffff9d98
r8             0x93	147
r9             0x28fa690	42968720
r10            0x1b	27
r11            0x0	0
r12            0x17b	379
r13            0x28fac7c	42970236
r14            0x19e8950	27167056
r15            0x5ec	1516
rip            0x0	0
eflags         0x10202	[ IF RF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0
fctrl          0x37f	895
fstat          0x20	32
ftag           0xffff	65535
fiseg          0x7fff	32767
fioff          0xf4a0e887	-190781305
foseg          0x7fff	32767
fooff          0xffffc608	-14840
fop            0x51f	1311
mxcsr          0x1fa0	[ PE IM DM ZM OM UM PM ]
(gdb) x/16i $pc
0x0:	Cannot access memory at address 0x0
(gdb) thread apply all backtrace

Thread 1 (Thread 0x7ffff7fc7720 (LWP 5401)):
#0  0x0000000000000000 in ?? ()
#1  0x00007fffee0caf53 in fast_read_rgba_pixels (ctx=0x1696440, x=<value optimized out>, y=<value optimized out>, width=379, height=27, format=<value optimized out>, type=5121, pixels=0x28fa690, packing=0x7fffffffdec0) at swrast/s_readpix.c:240
#2  read_rgba_pixels (ctx=0x1696440, x=<value optimized out>, y=<value optimized out>, width=379, height=27, format=<value optimized out>, type=5121, pixels=0x28fa690, packing=0x7fffffffdec0) at swrast/s_readpix.c:336
#3  0x00007fffee0cb510 in _swrast_ReadPixels (ctx=0x1696440, x=22, y=147, width=379, height=27, format=6408, type=5121, packing=0x16a3e98, pixels=0x28fa690) at swrast/s_readpix.c:605
#4  0x00007fffee046198 in _mesa_ReadPixels (x=<value optimized out>, y=<value optimized out>, width=379, height=27, format=6408, type=5121, pixels=0x28fa690) at main/readpix.c:208
#5  0x00000000005b06eb in ?? ()
#6  0x00000000005b5eda in ?? ()
#7  0x00000000005b6706 in uiDoBlocks ()
#8  0x00000000005d806a in screenmain ()
#9  0x000000000059be64 in main ()
(gdb) quit
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