Comment 5 for bug 276782

OK, that worked. Here's the backtrace...

#0 dixLookupPrivate (privates=0x198, key=0x81df2d8)
    at ../../dix/privates.c:131
 rec = <value optimized out>
 ptr = <value optimized out>
#1 0x080c871b in xf86ResizeOffscreenLinear (resize=0x96a7c58, size=1024000)
    at ../../../../hw/xfree86/common/xf86fbman.c:199
No locals.
#2 0xb79f0f77 in radeon_allocate_memory (pScrn=0x968bf58,
    mem_struct=0x96a6480, size=4096000, align=4096)
    at ../../src/radeon_memory.c:61
 linear = <value optimized out>
 pScreen = (ScreenPtr) 0x96a8458
 info = <value optimized out>
 offset = <value optimized out>
#3 0xb7a1615e in radeon_crtc_shadow_allocate (crtc=0x96a62a0, width=1280,
    height=800) at ../../src/radeon_crtc.c:421
 pScrn = (ScrnInfoPtr) 0x198
 rotate_offset = <value optimized out>
#4 0x080f40c8 in xf86CrtcRotate (crtc=0x96a62a0, mode=0xbfa89870, rotation=4)
    at ../../../../hw/xfree86/modes/xf86Rotate.c:607
 shadowData = <value optimized out>
 shadow = (PixmapPtr) 0x0
 width = 1280
 height = 800
 old_width = 0
 old_height = 0
 pScrn = <value optimized out>
 pScreen = (ScreenPtr) 0x96a8458
 crtc_to_fb = {matrix = {{-65536, 0, 83886080}, {0, -65536, 52428800}, {
      0, 0, 65536}}}
 fb_to_crtc = {matrix = {{-65536, 0, 83886080}, {0, -65536, 52428800}, {
      0, 0, 65536}}}
#5 0x080eb243 in xf86CrtcSetMode (crtc=0x96a62a0, mode=0xbfa89870,
    rotation=408, x=0, y=0) at ../../../../hw/xfree86/modes/xf86Crtc.c:312
 scrn = (ScrnInfoPtr) 0x968bf58
 i = <value optimized out>
 ret = <value optimized out>
 didLock = 0
 adjusted_mode = (DisplayModePtr) 0x9897d40
 saved_mode = {prev = 0x0, next = 0x0, name = 0x0, status = MODE_OK,
  type = 0, Clock = 71450, HDisplay = 1280, HSyncStart = 1301,
  HSyncEnd = 1333, HTotal = 1460, HSkew = 0, VDisplay = 800, VSyncStart = 804,
  VSyncEnd = 808, VTotal = 816, VScan = 0, Flags = 10, ClockIndex = 0,
  SynthClock = 0, CrtcHDisplay = 1280, CrtcHBlankStart = 1280,
  CrtcHSyncStart = 1301, CrtcHSyncEnd = 1333, CrtcHBlankEnd = 1460,
  CrtcHTotal = 1460, CrtcHSkew = 0, CrtcVDisplay = 800, CrtcVBlankStart = 800,
   CrtcVSyncStart = 804, CrtcVSyncEnd = 808, CrtcVBlankEnd = 816,
  CrtcVTotal = 816, CrtcHAdjusted = 0, CrtcVAdjusted = 0, PrivSize = 0,
  Private = 0x0, PrivFlags = 0, HSync = 0, VRefresh = 0}
 saved_x = 0
 saved_y = 0
 saved_rotation = 1
#6 0x080f2582 in xf86RandR12CrtcSet (pScreen=0x96a8458, randr_crtc=0x96a90a8,
    randr_mode=0x96a9930, x=0, y=0, rotation=408, num_randr_outputs=1,
    randr_outputs=0xbfa89a30) at ../../../../hw/xfree86/modes/xf86RandR12.c:769
 mode = {prev = 0x0, next = 0x0, name = 0x0, status = MODE_OK,
  type = 0, Clock = 71450, HDisplay = 1280, HSyncStart = 1301,
  HSyncEnd = 1333, HTotal = 1460, HSkew = 0, VDisplay = 800, VSyncStart = 804,
  VSyncEnd = 808, VTotal = 816, VScan = 0, Flags = 10, ClockIndex = 0,
  SynthClock = 0, CrtcHDisplay = 1280, CrtcHBlankStart = 1280,
  CrtcHSyncStart = 1301, CrtcHSyncEnd = 1333, CrtcHBlankEnd = 1460,
  CrtcHTotal = 1460, CrtcHSkew = 0, CrtcVDisplay = 800, CrtcVBlankStart = 800,
  CrtcVSyncStart = 804, CrtcVSyncEnd = 808, CrtcVBlankEnd = 816,
  CrtcVTotal = 816, CrtcHAdjusted = 0, CrtcVAdjusted = 0, PrivSize = 0,
  Private = 0x0, PrivFlags = 0, HSync = 0, VRefresh = 0}
 pScrn = (ScrnInfoPtr) 0x968bf58
 crtc = (xf86CrtcPtr) 0x96a62a0
 changed = 1
 o = <value optimized out>
 ro = <value optimized out>
 save_enabled = 1
#7 0x0816ce96 in RRCrtcSet (crtc=0x96a90a8, mode=0x96a9930, x=0, y=0,
    rotation=<value optimized out>, numOutputs=1, outputs=0xbfa89a30)
    at ../../randr/rrcrtc.c:302
 pScreen = (ScreenPtr) 0x96a8458
 ret = <value optimized out>
#8 0x08171f1b in ProcRRSetScreenConfig (client=0x9899108)
    at ../../randr/rrscreen.c:922
 rep = {type = 8 '\b', status = 145 '\221', sequenceNumber = 2441,
  length = 136311872, newTimestamp = 3215497816,
  newConfigTimestamp = 135622986, root = 136311876, subpixelOrder = 39476,
  pad4 = 49064, pad5 = 159968648, pad6 = 23}
 pDraw = (DrawablePtr) 0x96fec20
 rc = <value optimized out>
 pScreen = (ScreenPtr) 0x96a8458
 pScrPriv = (rrScrPrivPtr) 0x96a9f78
 time = {months = 0, milliseconds = 8555932}
 i = 0
 rate = 60
 has_rate = 1
 output = (RROutputPtr) 0x96aa128
 crtc = (RRCrtcPtr) 0x96a90a8
 mode = (RRModePtr) 0x96a9930
 pData = (RR10DataPtr) 0x96e72f8
 pSize = (RRScreenSizePtr) 0x96e730c
 width = 1280
 height = 800
#9 0x0816b5a5 in ProcRRDispatch (client=0x198) at ../../randr/randr.c:476
No locals.
#10 0x0808c91f in Dispatch () at ../../dix/dispatch.c:454
 result = <value optimized out>
 client = (ClientPtr) 0x9899108
 nready = 0
 start_tick = 3400
#11 0x08071d8d in main (argc=1, argv=0xbfa89ba4, envp=Cannot access memory at address 0x1a0
) at ../../dix/main.c:441
 i = <value optimized out>
 error = 136146932
 xauthfile = <value optimized out>
 alwaysCheckForInput = {0, 1}
(gdb)