[Bug 4601] X Error of failed request: BadAtom (X_GetAtomName)

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=4601


dank(a)kegel.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dank(a)kegel.com
           Severity|normal                      |major
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1




------- Additional Comments From dank(a)kegel.com  2006-08-04 18:57 -------
I think I have another way to reproduce it, though it's not 
reliable:

1) install windows firefox 1.5
2) in windows firefox, select some html text and do Edit/Copy
3) in wine, do something that uses the clipboard, e.g.
in wine/dlls/user/tests, run   wine user32_test.exe.so clipboard
or run wine's notepad and try to use 'find'.
Sometimes if you have +clipboard set, you'll see
trace:clipboard:X11DRV_CLIPBOARD_QueryAvailableData Type 4,Format 32,nItems 14,
Remain 0
before the error.  Most of the items returned are atom 0, which is invalid,
and causes the BadAtom error later in XGetAtomNames.

4) To get a stack backtrace, do
WINEDEBUG=+synchronous winedbg user32_test.exe.so clipboard
This should yield something like this trace from wine notepad:
  ...
  3 0x7f231cea _XError+0xf4 in libx11.so.6 (0x7f231cea)
  4 0x7f23229e _XReply+0x185 in libx11.so.6 (0x7f23229e)
  5 0x7f212c7d XGetAtomNames+0x131 in libx11.so.6 (0x7f212c7d)
  6 0x7f315cfd X11DRV_CLIPBOARD_InsertSelectionProperties+0x17b(properties=<register
not in topmost frame>) [/home/dank/wine/dlls/x11drv/clipboard.c:1788]
in winex11 (0x7f315cfd)
  7 0x7f3182ae X11DRV_CLIPBOARD_UpdateCache+0x3e6(lpcbinfo=<register
not in topmost frame>) [/home/dank/wine/dlls/x11drv/clipboard.c:1911]
in winex11 (0x7f3182ae)
  8 0x7f3187a8 X11DRV_IsClipboardFormatAvailable+0x28(wFormat=0x1)
[/home/dank/wine/dlls/x11drv/clipboard.c:2498] in winex11 (0x7f3187a8)
  9 0x7f6c30f9 IsClipboardFormatAvailable+0x25(wFormat=0x1)
[/home/dank/wine/dlls/user/clipboard.c:583] in user32 (0x7f6c30f9)
 ...

As near as I can tell, sometimes windows firefox under wine
returns bogus atoms when another wine app asks it what types it
supports in the clipboard.

I'll attach a patch that works around it for me by simply
ignore atom 0.  This is not likely to be a full fix if it's even
right at all, but I think it helps me.

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