Comment 25 for bug 943275

Still crashes with two concurrent searches (launch a search, select an item in the list, and before it has finished downloading the preview launch another search).

Trace:
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(gdb) run
Starting program: /usr/local/bin/inkscape
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffdf0e9700 (LWP 6600)]
GLib (gthread-posix.c): Unexpected error from C library during 'pthread_setspecific': Argument invalide. Aborting.

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffdf0e9700 (LWP 6600)]
0x00007fffeee8b475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0 0x00007fffeee8b475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007fffeee8e6f0 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007fffefbbb143 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fffefc24815 in g_private_set () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007ffff56952e3 in g_input_stream_read () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5 0x00007ffff567cd1a in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6 0x00007ffff568116f in g_file_copy () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7 0x00007ffff568198a in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#8 0x00007ffff56967ae in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#9 0x00007fffefc0b742 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fffefc0af45 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fffef1e9b50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fffeef33a7d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#13 0x0000000000000000 in ?? ()
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The console adds the following message (when launched without gdb):

[xcb] Unknown request in queue while dequeuing
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
inkscape: ../../src/xcb_io.c:179: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed.
Aborted