[Wayland-bugs] [Bug 108556] [xwayland] Crash with computer idle connected to external screen

Fri Oct 26 07:44:30 UTC 2018

https://bugs.freedesktop.org/show_bug.cgi?id=108556

--- Comment #1 from Claudio Saavedra <csaavedra at igalia.com> ---
(gdb) f 7
#7  0x0000559b5e1587f6 in present_wnmd_flip (damage=0x559b60b4b860,
sync_flip=1, pixmap=0x559b67614ba0, target_msc=395597, event_id=843762,
crtc=0x559b667ef900, window=0x559b60b4b810) at
../../../../present/present_wnmd.c:359
359         return (*screen_priv->wnmd_info->flip) (window,
(gdb) print screen
$1 = (ScreenPtr) 0x7f0e2bc1bf80 <main_arena+832>
(gdb) print *screen
$2 = {myNum = 734117744, id = 32526, x = -16528, y = 11201, width = 32526,
height = 0, mmWidth = -1808, mmHeight = 26238, numDepths = 21915, rootDepth = 0
'\000', allowedDepths = 0x559b6792eff0, rootVisual = 139698840387472,
defColormap = 139698840387472, 
  minInstalledCmaps = -16480, maxInstalledCmaps = 11201, backingStoreSupport =
14 '\016', saveUnderSupport = 127 '\177', whitePixel = 139698840387488,
blackPixel = 139698840387504, GCperDepth = {0x7f0e2bc1bfb0 <main_arena+880>,
0x7f0e2bc1bfc0 <main_arena+896>, 
    0x7f0e2bc1bfc0 <main_arena+896>, 0x7f0e2bc1bfd0 <main_arena+912>,
0x7f0e2bc1bfd0 <main_arena+912>, 0x7f0e2bc1bfe0 <main_arena+928>,
0x7f0e2bc1bfe0 <main_arena+928>, 0x7f0e2bc1bff0 <main_arena+944>,
0x7f0e2bc1bff0 <main_arena+944>}, 
  defaultStipple = 0x7f0e2bc1c000 <main_arena+960>, devPrivate = 0x7f0e2bc1c000
<main_arena+960>, numVisuals = -16368, visuals = 0x7f0e2bc1c010
<main_arena+976>, root = 0x7f0e2bc1c020 <main_arena+992>, screensaver =
{pWindow = 0x7f0e2bc1c020 <main_arena+992>, 
    wid = 734117936, blanked = 14 '\016', ExternalScreenSaver = 0x7f0e2bc1c030
<main_arena+1008>}, screenSpecificPrivates = {{key = 0x7f0e2bc1c040
<main_arena+1024>, offset = 734117952, created = 32526, allocated = 734117968},
{key = 0x7f0e2bc1c050 <main_arena+1040>, 
      offset = 734117984, created = 32526, allocated = 734117984}, {key =
0x7f0e2bc1c070 <main_arena+1072>, offset = 734118000, created = 32526,
allocated = 734118016}, {key = 0x7f0e2bc1c080 <main_arena+1088>, offset =
1719218512, created = 21915, 
      allocated = 1723157104}, {key = 0x7f0e2bc1c0a0 <main_arena+1120>, offset
= 734118048, created = 32526, allocated = 734118064}, {key = 0x7f0e2bc1c0b0
<main_arena+1136>, offset = 734118080, created = 32526, allocated = 734118080},
{
      key = 0x7f0e2bc1c0d0 <main_arena+1168>, offset = 734118096, created =
32526, allocated = 734118112}, {key = 0x7f0e2bc1c0e0 <main_arena+1184>, offset
= 734118128, created = 32526, allocated = 734118128}, {key = 0x7f0e2bc1c100
<main_arena+1216>, offset = 734118144, 
      created = 32526, allocated = 1737695472}, {key = 0x559b67638d60, offset =
734118176, created = 32526, allocated = 734118176}, {key = 0x7f0e2bc1c130
<main_arena+1264>, offset = 734118192, created = 32526, allocated = 734118208},
{
      key = 0x7f0e2bc1c140 <main_arena+1280>, offset = 734118224, created =
32526, allocated = 734118224}, {key = 0x559b676362e0, offset = 1734566624,
created = 21915, allocated = 734118256}, {key = 0x7f0e2bc1c170
<main_arena+1328>, offset = 734118272, created = 32526, 
      allocated = 734118272}, {key = 0x7f0e2bc1c190 <main_arena+1360>, offset =
734118288, created = 32526, allocated = 1737730944}, {key = 0x559b6793c370,
offset = 734118320, created = 32526, allocated = 734118320}, {key =
0x7f0e2bc1c1c0 <main_arena+1408>, 
      offset = 734118336, created = 32526, allocated = 734118352}}, CloseScreen
= 0x7f0e2bc1c1d0 <main_arena+1424>, QueryBestSize = 0x7f0e2bc1c1e0
<main_arena+1440>, SaveScreen = 0x7f0e2bc1c1e0 <main_arena+1440>, GetImage =
0x7f0e2bc1c1f0 <main_arena+1456>, 
  GetSpans = 0x7f0e2bc1c1f0 <main_arena+1456>, SourceValidate = 0x7f0e2bc1c200
<main_arena+1472>, CreateWindow = 0x7f0e2bc1c200 <main_arena+1472>,
DestroyWindow = 0x7f0e2bc1c210 <main_arena+1488>, PositionWindow =
0x7f0e2bc1c210 <main_arena+1488>, 
  ChangeWindowAttributes = 0x7f0e2bc1c220 <main_arena+1504>, RealizeWindow =
0x7f0e2bc1c220 <main_arena+1504>, UnrealizeWindow = 0x7f0e2bc1c230
<main_arena+1520>, ValidateTree = 0x7f0e2bc1c230 <main_arena+1520>,
PostValidateTree = 0x7f0e2bc1c240 <main_arena+1536>, 
  WindowExposures = 0x7f0e2bc1c240 <main_arena+1536>, CopyWindow =
0x7f0e2bc1c250 <main_arena+1552>, ClearToBackground = 0x7f0e2bc1c250
<main_arena+1552>, ClipNotify = 0x7f0e2bc1c260 <main_arena+1568>, RestackWindow
= 0x7f0e2bc1c260 <main_arena+1568>, 
  PaintWindow = 0x7f0e2bc1c270 <main_arena+1584>, CreatePixmap = 0x7f0e2bc1c270
<main_arena+1584>, DestroyPixmap = 0x7f0e2bc1c280 <main_arena+1600>,
RealizeFont = 0x7f0e2bc1c280 <main_arena+1600>, UnrealizeFont = 0x7f0e2bc1c290
<main_arena+1616>, 
  ConstrainCursor = 0x7f0e2bc1c290 <main_arena+1616>, ConstrainCursorHarder =
0x7f0e2bc1c2a0 <main_arena+1632>, CursorLimits = 0x7f0e2bc1c2a0
<main_arena+1632>, DisplayCursor = 0x7f0e2bc1c2b0 <main_arena+1648>,
RealizeCursor = 0x7f0e2bc1c2b0 <main_arena+1648>, 
  UnrealizeCursor = 0x7f0e2bc1c2c0 <main_arena+1664>, RecolorCursor =
0x7f0e2bc1c2c0 <main_arena+1664>, SetCursorPosition = 0x7f0e2bc1c2d0
<main_arena+1680>, CursorWarpedTo = 0x7f0e2bc1c2d0 <main_arena+1680>,
CursorConfinedTo = 0x7f0e2bc1c2e0 <main_arena+1696>, 
  CreateGC = 0x7f0e2bc1c2e0 <main_arena+1696>, CreateColormap = 0x7f0e2bc1c2f0
<main_arena+1712>, DestroyColormap = 0x7f0e2bc1c2f0 <main_arena+1712>,
InstallColormap = 0x559b67930750, UninstallColormap = 0x559b67930750, 
  ListInstalledColormaps = 0x7f0e2bc1c310 <main_arena+1744>, StoreColors =
0x7f0e2bc1c310 <main_arena+1744>, ResolveColor = 0x7f0e2bc1c320
<main_arena+1760>, BitmapToRegion = 0x7f0e2bc1c320 <main_arena+1760>,
BlockHandler = 0x7f0e2bc1c330 <main_arena+1776>, 
  WakeupHandler = 0x7f0e2bc1c330 <main_arena+1776>, devPrivates =
0x7f0e2bc1c340 <main_arena+1792>, CreateScreenResources = 0x7f0e2bc1c340
<main_arena+1792>, ModifyPixmapHeader = 0x7f0e2bc1c350 <main_arena+1808>,
GetWindowPixmap = 0x7f0e2bc1c350 <main_arena+1808>, 
  SetWindowPixmap = 0x7f0e2bc1c360 <main_arena+1824>, GetScreenPixmap =
0x7f0e2bc1c360 <main_arena+1824>, SetScreenPixmap = 0x7f0e2bc1c370
<main_arena+1840>, NameWindowPixmap = 0x7f0e2bc1c370 <main_arena+1840>,
pScratchPixmap = 0x559b678989c0, 
  totalPixmapSize = 1737655504, MarkWindow = 0x7f0e2bc1c390 <main_arena+1872>,
MarkOverlappedWindows = 0x7f0e2bc1c390 <main_arena+1872>, ConfigNotify =
0x7f0e2bc1c3a0 <main_arena+1888>, MoveWindow = 0x7f0e2bc1c3a0
<main_arena+1888>, ResizeWindow = 0x559b678888b0, 
  GetLayerWindow = 0x559b678888b0, HandleExposures = 0x559b67935130,
ReparentWindow = 0x559b67923310, SetShape = 0x7f0e2bc1c3d0 <main_arena+1936>,
ChangeBorderWidth = 0x7f0e2bc1c3d0 <main_arena+1936>, MarkUnrealizedWindow =
0x7f0e2bc1c3e0 <main_arena+1952>, 
  DeviceCursorInitialize = 0x7f0e2bc1c3e0 <main_arena+1952>,
DeviceCursorCleanup = 0x7f0e2bc1c3f0 <main_arena+1968>, canDoBGNoneRoot =
734118896, isGPU = 32526, slave_list = {next = 0x7f0e2bc1c400
<main_arena+1984>, prev = 0x7f0e2bc1c400 <main_arena+1984>}, 
  slave_head = {next = 0x7f0e2bc1c410 <main_arena+2000>, prev = 0x7f0e2bc1c410
<main_arena+2000>}, output_slaves = 734118944, current_master = 0x7f0e2bc1c420
<main_arena+2016>, is_output_slave = 1737145696, is_offload_slave = 21915,
SharePixmapBacking = 0x559b678abd60, 
  SetSharedPixmapBacking = 0x559b678c7850, StartPixmapTracking =
0x559b678c7850, StopPixmapTracking = 0x559b678f1db0, SyncSharedPixmap =
0x559b678f1db0, SharedPixmapNotifyDamage = 0x7f0e2bc1c460 <main_arena+2080>, 
  RequestSharedPixmapNotifyDamage = 0x7f0e2bc1c460 <main_arena+2080>,
PresentSharedPixmap = 0x7f0e2bc1c470 <main_arena+2096>,
StopFlippingPixmapTracking = 0x7f0e2bc1c470 <main_arena+2096>,
pixmap_dirty_list = {next = 0x7f0e2bc1c480 <main_arena+2112>, 
    prev = 0x7f0e2bc1c480 <main_arena+2112>}, ReplaceScanoutPixmap =
0x4808008001bfc, XYToWindow = 0x1f2df6f00202a101, DPMS = 0x7f0e08000020}

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