Second try:
(gdb) bt full
#0 0xb7b7810e in i830_free_memory (pScrn=0x821be58, mem=0x86d87d8) at
../../src/i830_memory.c:289
No locals.
#1 0xb7b7cee7 in I830PutImage (pScrn=0x821be58, src_x=<value optimized out>,
src_y=<value optimized out>, drw_x=106, drw_y=0, src_w=320, src_h=240,
drw_w=1066, drw_h=800, id=808596553,
buf=0xa252c000 "\027\027\027\026\026\026\026\026\026\016\t\n\020\030\036
\032\033\033\032\031\030\027\027\025\027\030\031\026\022\021\024
%*//+#\034\025\024\034#\037\030\030\032\031\027\026\024\021\017\r\f\023!.8967:<:7553.)
#5>:3/,)(('%!\034\031\032\034\035\037!\"$%\"\037\037\037\037\037\037\037!\"\"###$$*7GSSPTUQ<\036\025\027\026\027\032\036\035\037#\037\022\033Mbfghijkkkjjjjjjjfdfge^TLF@@PabWOSXXXXXXXWVVVVVVVV",
'U' <repeats 15 times>..., width=320, height=240,
sync=0, clipBoxes=0xbfd47034, data=0x822e2f4, pDraw=0x846f850) at
../../src/i830_video.c:2325
pI830 = (I830Ptr) 0x821d848
pScreen = (ScreenPtr) 0x8228df8
pPixmap = <value optimized out>
x1 = 0
x2 = 20971520
y1 = 0
y2 = 15728640
srcPitch = 320
srcPitch2 = 160
dstPitch = 192
destId = 808596553
top = <value optimized out>
left = <value optimized out>
npixels = <value optimized out>
nlines = <value optimized out>
size = 138240
dstBox = {x1 = 106, y1 = 0, x2 = 1172, y2 = 800}
pitchAlignMask = <value optimized out>
alloc_size = 276480
extraLinear = <value optimized out>
crtc = <value optimized out>
#2 0x080da445 in xf86XVPutImage (client=0x886aa30, pDraw=0x846f850,
pPort=0x822d680, pGC=0x839ba40, src_x=<value optimized out>,
src_y=<value optimized out>, src_w=<value optimized out>, src_h=<value
optimized out>, drw_x=0, drw_y=0, drw_w=<value optimized out>,
drw_h=<value optimized out>, format=0x8259230,
data=0xa252c000 "\027\027\027\026\026\026\026\026\026\016\t\n\020\030\036
\032\033\033\032\031\030\027\027\025\027\030\031\026\022\021\024
%*//+#\034\025\024\034#\037\030\030\032\031\027\026\024\021\017\r\f\023!.8967:<:7553.)
#5>:3/,)(('%!\034\031\032\034\035\037!\"$%\"\037\037\037\037\037\037\037!\"\"###$$*7GSSPTUQ<\036\025\027\026\027\032\036\035\037#\037\022\033Mbfghijkkkjjjjjjjfdfge^TLF@@PabWOSXXXXXXXWVVVVVVVV",
'U' <repeats 15 times>..., sync=0,
width=<value optimized out>, height=<value optimized out>) at
../../../../hw/xfree86/common/xf86xv.c:1777
portPriv = <value optimized out>
WinRegion = {extents = {x1 = 106, y1 = 0, x2 = 1172, y2 = 800}, data =
0x0}
ClipRegion = {extents = {x1 = 106, y1 = 0, x2 = 1172, y2 = 800}, data =
0x83e16d8}
ret = 0
#3 0xb7c2f7f8 in XvdiPutImage (client=0x886aa30, pDraw=0x846f850,
pPort=0x822d680, pGC=0x839ba40, src_x=<value optimized out>, src_y=<value
optimized out>,
src_w=<value optimized out>, src_h=<value optimized out>, drw_x=<value
optimized out>, drw_y=<value optimized out>, drw_w=<value optimized out>,
drw_h=<value optimized out>, image=0x8259230,
data=0xa252c000 "\027\027\027\026\026\026\026\026\026\016\t\n\020\030\036
\032\033\033\032\031\030\027\027\025\027\030\031\026\022\021\024
%*//+#\034\025\024\034#\037\030\030\032\031\027\026\024\021\017\r\f\023!.8967:<:7553.)
#5>:3/,)(('%!\034\031\032\034\035\037!\"$%\"\037\037\037\037\037\037\037!\"\"###$$*7GSSPTUQ<\036\025\027\026\027\032\036\035\037#\037\022\033Mbfghijkkkjjjjjjjfdfge^TLF@@PabWOSXXXXXXXWVVVVVVVV",
'U' <repeats 15 times>..., sync=0,
width=<value optimized out>, height=<value optimized out>) at
../../Xext/xvmain.c:730
No locals.
#4 0xb7c32666 in ProcXvShmPutImage (client=0x886aa30) at
../../Xext/xvdisp.c:1180
ev = {type = 239 '�', bpad0 = 252 '�', sequenceNumber = 2068, drawable
= 136341316, minorEvent = 29008, majorEvent = 212 '�', bpad1 = 191 '�',
shmseg = 3218370968, offset = 136014349, pad0 = 143043120, pad1 = 136692632,
pad2 = 1}
pDraw = (DrawablePtr) 0x846f850
pPort = (XvPortPtr) 0x822d680
pImage = (XvImagePtr) 0x8259230
pGC = (GCPtr) 0x839ba40
---Type <return> to continue, or q <return> to quit---
status = 0
size_needed = <value optimized out>
i = <value optimized out>
width = 320
height = 240
#5 0x0814feee in XaceCatchExtProc (client=0x886aa30) at ../../Xext/xace.c:299
major = 140
ext = <value optimized out>
#6 0x0808d93f in Dispatch () at ../../dix/dispatch.c:502
result = <value optimized out>
client = (ClientPtr) 0x886aa30
nready = 0
start_tick = 355940
#7 0x080747ab in main (argc=10, argv=0xbfd476f4, envp=0x0) at
../../dix/main.c:452
pScreen = <value optimized out>
i = 1
error = 136164272
xauthfile = <value optimized out>
alwaysCheckForInput = {0, 1}
(gdb)
(gdb) down
#0 0xb7b7810e in i830_free_memory (pScrn=0x821be58, mem=0x86d87d8) at
../../src/i830_memory.c:289
289 ../../src/i830_memory.c: No such file or directory.
in ../../src/i830_memory.c
(gdb) print *mem
$1 = {offset = 35, end = 0, size = 32, allocated_size = 0, bus_addr =
593808606253023233, key = 0, bound = 0, agp_offset = 4294967295, tiling =
TILE_NONE,
fence_nr = 0, pitch = 0, name = 0x0, next = 0x0, prev = 0x40}
(gdb)
--
Xorg crashed with SIGSEGV in strlen
https://bugs.launchpad.net/bugs/173265
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