PhantomJS crash when running behat (seems that when creating an screenshot)

gistfile1.txt

Operating system: Linux
                  0.0.0 Linux 3.2.0-56-generic #86-Ubuntu SMP Wed Oct 23 09:20:45 UTC 2013 x86_64
CPU: amd64
     family 6 model 44 stepping 2
     4 CPUs

Crash reason:  SIGSEGV
Crash address: 0xf64034

Thread 0 (crashed)
 0  phantomjs-1.9.2 + 0xb286c0
    rbx = 0x00007fe0f74c9bc8   r12 = 0x00007fe0f74c9868
    r13 = 0x00007fe088a7b8a0   r14 = 0x00007fe088a7b380
    r15 = 0x00007fe0f74c9bd0   rip = 0x0000000000f286c0
    rsp = 0x00007fffef47d280   rbp = 0x00007fe0a8b15a50
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0xb25737
    rip = 0x0000000000f25738   rsp = 0x00007fffef47d2d0
    Found by: stack scanning
 2  phantomjs-1.9.2 + 0xb1159b
    rip = 0x0000000000f1159c   rsp = 0x00007fffef47d2f0
    Found by: stack scanning

Thread 1
 0  libc-2.15.so + 0xc008d
    rbx = 0x00007fe0f4fa9cf0   r12 = 0x0000000002aa2160
    r13 = 0x00007fe0887d97b0   r14 = 0x0000000002aaaf80
    r15 = 0x0000000002aaaf50   rip = 0x00007fe0f5dae08d
    rsp = 0x00007fe0f4fa9c40   rbp = 0x00000000ffffffff
    Found by: given as instruction pointer in context
 1  libc-2.15.so + 0xbff2b
    rip = 0x00007fe0f5dadf2c   rsp = 0x00007fe0f4fa9c50
    Found by: stack scanning
 2  phantomjs-1.9.2 + 0x18b5c3f
    rip = 0x0000000001cb5c40   rsp = 0x00007fe0f4fa9c58
    Found by: stack scanning
 3  phantomjs-1.9.2 + 0x2e2c
    rip = 0x0000000000402e2d   rsp = 0x00007fe0f4fa9c68
    Found by: stack scanning
 4  libc-2.15.so + 0x109f7
    rip = 0x00007fe0f5cfe9f8   rsp = 0x00007fe0f4fa9c70
    Found by: stack scanning
 5  phantomjs-1.9.2 + 0x24c7
    rip = 0x00000000004024c8   rsp = 0x00007fe0f4fa9c78
    Found by: stack scanning
 6  ld-2.15.so + 0xa522
    rip = 0x00007fe0f73c5523   rsp = 0x00007fe0f4fa9cc8
    Found by: stack scanning
 7  libc-2.15.so + 0xc0098
    rip = 0x00007fe0f5dae099   rsp = 0x00007fe0f4fa9cd8
    Found by: stack scanning
 8  libpthread-2.15.so + 0xfcaf
    rip = 0x00007fe0f68cfcb0   rsp = 0x00007fe0f4fa9ce8
    Found by: stack scanning
 9  libpthread-2.15.so + 0xb103
    rip = 0x00007fe0f68cb104   rsp = 0x00007fe0f4fa9d90
    Found by: stack scanning
10  libc-2.15.so + 0xe54f
    rip = 0x00007fe0f5cfc550   rsp = 0x00007fe0f4fa9d98
    Found by: stack scanning
11  ld-2.15.so + 0x15234
    rip = 0x00007fe0f73d0235   rsp = 0x00007fe0f4fa9dd0
    Found by: stack scanning
12  libpthread-2.15.so + 0xe9f9
    rip = 0x00007fe0f68ce9fa   rsp = 0x00007fe0f4fa9de0
    Found by: stack scanning
13  libpthread-2.15.so + 0xbe17
    rip = 0x00007fe0f68cbe18   rsp = 0x00007fe0f4fa9df0
    Found by: stack scanning
14  phantomjs-1.9.2 + 0xdda2d
    rip = 0x00000000004dda2e   rsp = 0x00007fe0f4fa9e20
    Found by: stack scanning
15  libc-2.15.so + 0x977f
    rip = 0x00007fe0f5cf7780   rsp = 0x00007fe0f4fa9e28
    Found by: stack scanning
16  libpthread-2.15.so + 0x1187f
    rip = 0x00007fe0f68d1880   rsp = 0x00007fe0f4fa9e50
    Found by: stack scanning
17  libpthread-2.15.so + 0x1187f
    rip = 0x00007fe0f68d1880   rsp = 0x00007fe0f4fa9e80
    Found by: stack scanning
18  phantomjs-1.9.2 + 0xddc98
    rip = 0x00000000004ddc99   rsp = 0x00007fe0f4fa9ea0
    Found by: stack scanning
19  libpthread-2.15.so + 0x7e99
    rip = 0x00007fe0f68c7e9a   rsp = 0x00007fe0f4fa9eb0
    Found by: stack scanning
20  libpthread-2.15.so + 0x1187f
    rip = 0x00007fe0f68d1880   rsp = 0x00007fe0f4fa9f58
    Found by: stack scanning
21  libc-2.15.so + 0xf43fc
    rip = 0x00007fe0f5de23fd   rsp = 0x00007fe0f4fa9fc0
    Found by: stack scanning

Thread 2
 0  libc-2.15.so + 0xed763
    rbx = 0x0000000000000000   r12 = 0x00007fe0f47a8d80
    r13 = 0x0000000000000008   r14 = 0x00007fe0ec000a98
    r15 = 0x00007fe0ec000d30   rip = 0x00007fe0f5ddb763
    rsp = 0x00007fe0f47a8b50   rbp = 0x00007fe0ec0008e0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x19062f6
    rip = 0x0000000001d062f7   rsp = 0x00007fe0f47a8b60
    Found by: stack scanning
 2  ld-2.15.so + 0xa29d
    rip = 0x00007fe0f73c529e   rsp = 0x00007fe0f47a8ba0
    Found by: stack scanning
 3  phantomjs-1.9.2 + 0x19075b6
    rip = 0x0000000001d075b7   rsp = 0x00007fe0f47a8bf0
    Found by: stack scanning
 4  phantomjs-1.9.2 + 0x18f6a86
    rip = 0x0000000001cf6a87   rsp = 0x00007fe0f47a8c10
    Found by: stack scanning
 5  phantomjs-1.9.2 + 0x18019a2
    rip = 0x0000000001c019a3   rsp = 0x00007fe0f47a8c20
    Found by: stack scanning
 6  librt-2.15.so + 0x415c
    rip = 0x00007fe0f6ae115d   rsp = 0x00007fe0f47a8c60
    Found by: stack scanning
 7  phantomjs-1.9.2 + 0x1840b53
    rip = 0x0000000001c40b54   rsp = 0x00007fe0f47a8c70
    Found by: stack scanning
 8  phantomjs-1.9.2 + 0x1840a58
    rip = 0x0000000001c40a59   rsp = 0x00007fe0f47a8cb0
    Found by: stack scanning
 9  phantomjs-1.9.2 + 0x1906f75
    rip = 0x0000000001d06f76   rsp = 0x00007fe0f47a8cc0
    Found by: stack scanning
10  phantomjs-1.9.2 + 0x1908061
    rip = 0x0000000001d08062   rsp = 0x00007fe0f47a8d30
    Found by: stack scanning
11  phantomjs-1.9.2 + 0x18dd484
    rip = 0x0000000001cdd485   rsp = 0x00007fe0f47a8d80
    Found by: stack scanning
12  phantomjs-1.9.2 + 0x18ddc78
    rip = 0x0000000001cddc79   rsp = 0x00007fe0f47a8d90
    Found by: stack scanning
13  phantomjs-1.9.2 + 0x18dd8e7
    rip = 0x0000000001cdd8e8   rsp = 0x00007fe0f47a8db0
    Found by: stack scanning
14  phantomjs-1.9.2 + 0x17dfdd5
    rip = 0x0000000001bdfdd6   rsp = 0x00007fe0f47a8e10
    Found by: stack scanning
15  phantomjs-1.9.2 + 0x17e2ca1
    rip = 0x0000000001be2ca2   rsp = 0x00007fe0f47a8e60
    Found by: stack scanning
16  libpthread-2.15.so + 0x7e99
    rip = 0x00007fe0f68c7e9a   rsp = 0x00007fe0f47a8eb0
    Found by: stack scanning

Thread 3
 0  libc-2.15.so + 0xed763
    rbx = 0x0000000000000200   r12 = 0x000000000411e200
    r13 = 0x000000000411e2e0   r14 = 0x000000000411e870
    r15 = 0x00007fe0f3a65da0   rip = 0x00007fe0f5ddb763
    rsp = 0x00007fe0f3a65d80   rbp = 0x0000000000000000
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x52135
    rip = 0x0000000000452136   rsp = 0x00007fe0f3a65d90
    Found by: stack scanning
 2  phantomjs-1.9.2 + 0xc0007e
    rip = 0x000000000100007f   rsp = 0x00007fe0f3a65e50
    Found by: stack scanning
 3  libpthread-2.15.so + 0x7e99
    rip = 0x00007fe0f68c7e9a   rsp = 0x00007fe0f3a65eb0
    Found by: stack scanning

Thread 4
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe0a40008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0f32629f0   rbp = 0x00007fe0a40008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0f3262a20
    Found by: stack scanning

Thread 5
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x00007fe0a0005780   r12 = 0x004189374bc6a7ef
    r13 = 0xffffffffffffffff   r14 = 0x00007fe0a00057a8
    r15 = 0x00007fe0a00055f0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0f2a5dfe0   rbp = 0x00007fe0a00055f0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x17e39d4
    rip = 0x0000000001be39d5   rsp = 0x00007fe0f2a5e010
    Found by: stack scanning
 2  phantomjs-1.9.2 + 0x17deb0c
    rip = 0x0000000001bdeb0d   rsp = 0x00007fe0f2a5e090
    Found by: stack scanning
 3  phantomjs-1.9.2 + 0x2520b
    rip = 0x000000000042520c   rsp = 0x00007fe0f2a5e0c0
    Found by: stack scanning
 4  phantomjs-1.9.2 + 0x195ba3b
    rip = 0x0000000001d5ba3c   rsp = 0x00007fe0f2a5e0c8
    Found by: stack scanning
 5  phantomjs-1.9.2 + 0x196126f
    rip = 0x0000000001d61270   rsp = 0x00007fe0f2a5e158
    Found by: stack scanning

Thread 6
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe0980008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0abffc9f0   rbp = 0x00007fe0980008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0abffca20
    Found by: stack scanning

Thread 7
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe09c0008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0f22609f0   rbp = 0x00007fe09c0008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0f2260a20
    Found by: stack scanning

Thread 8
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe0900008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0f1a5f9f0   rbp = 0x00007fe0900008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0f1a5fa20
    Found by: stack scanning

Thread 9
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe08c0008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0f125e9f0   rbp = 0x00007fe08c0008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0f125ea20
    Found by: stack scanning

Thread 10
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe0940008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0f0a5d9f0   rbp = 0x00007fe0940008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0f0a5da20
    Found by: stack scanning

Thread 11
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe0840008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0ab7fb9f0   rbp = 0x00007fe0840008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0ab7fba20
    Found by: stack scanning

Thread 12
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe0740008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe0aaffa9f0   rbp = 0x00007fe0740008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe0aaffaa20
    Found by: stack scanning

Thread 13
 0  libpthread-2.15.so + 0xbd84
    rbx = 0x000000000411e840   r12 = 0x00007fe07c0008c8
    r13 = 0x000000000411e200   r14 = 0x0000000000000000
    r15 = 0x000000000411e2e0   rip = 0x00007fe0f68cbd84
    rsp = 0x00007fe083ffc9f0   rbp = 0x00007fe07c0008c0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x526d7
    rip = 0x00000000004526d8   rsp = 0x00007fe083ffca20
    Found by: stack scanning

Thread 14
 0  libc-2.15.so + 0xed763
    rbx = 0x00007fe0aa7fbd30   r12 = 0x0000000000008014
    r13 = 0x0000000000000011   r14 = 0x00007fe078000a98
    r15 = 0x00007fe078000d30   rip = 0x00007fe0f5ddb763
    rsp = 0x00007fe0aa7fbb50   rbp = 0x000000000005ce34
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x19061f7
    rip = 0x0000000001d061f8   rsp = 0x00007fe0aa7fbb60
    Found by: stack scanning
 2  phantomjs-1.9.2 + 0x19075b6
    rip = 0x0000000001d075b7   rsp = 0x00007fe0aa7fbbf0
    Found by: stack scanning
 3  phantomjs-1.9.2 + 0x18f6a86
    rip = 0x0000000001cf6a87   rsp = 0x00007fe0aa7fbc10
    Found by: stack scanning
 4  phantomjs-1.9.2 + 0x18019d3
    rip = 0x0000000001c019d4   rsp = 0x00007fe0aa7fbc20
    Found by: stack scanning
 5  librt-2.15.so + 0x415c
    rip = 0x00007fe0f6ae115d   rsp = 0x00007fe0aa7fbc60
    Found by: stack scanning
 6  phantomjs-1.9.2 + 0x1840b53
    rip = 0x0000000001c40b54   rsp = 0x00007fe0aa7fbc70
    Found by: stack scanning
 7  phantomjs-1.9.2 + 0x1907cbd
    rip = 0x0000000001d07cbe   rsp = 0x00007fe0aa7fbca0
    Found by: stack scanning
 8  phantomjs-1.9.2 + 0x1840a58
    rip = 0x0000000001c40a59   rsp = 0x00007fe0aa7fbcb0
    Found by: stack scanning
 9  phantomjs-1.9.2 + 0x1906f75
    rip = 0x0000000001d06f76   rsp = 0x00007fe0aa7fbcc0
    Found by: stack scanning
10  phantomjs-1.9.2 + 0x1908061
    rip = 0x0000000001d08062   rsp = 0x00007fe0aa7fbd30
    Found by: stack scanning
11  phantomjs-1.9.2 + 0x18dd484
    rip = 0x0000000001cdd485   rsp = 0x00007fe0aa7fbd80
    Found by: stack scanning
12  phantomjs-1.9.2 + 0x18ddc78
    rip = 0x0000000001cddc79   rsp = 0x00007fe0aa7fbd90
    Found by: stack scanning
13  phantomjs-1.9.2 + 0x18dd8e7
    rip = 0x0000000001cdd8e8   rsp = 0x00007fe0aa7fbdb0
    Found by: stack scanning
14  phantomjs-1.9.2 + 0x17dfdd5
    rip = 0x0000000001bdfdd6   rsp = 0x00007fe0aa7fbe10
    Found by: stack scanning
15  phantomjs-1.9.2 + 0x17e2ca1
    rip = 0x0000000001be2ca2   rsp = 0x00007fe0aa7fbe60
    Found by: stack scanning
16  libpthread-2.15.so + 0x7e99
    rip = 0x00007fe0f68c7e9a   rsp = 0x00007fe0aa7fbeb0
    Found by: stack scanning

Thread 15
 0  libpthread-2.15.so + 0xc0fe
    rbx = 0x00007fe078005520   r12 = 0x0000000000000135
    r13 = 0x00007fe0a9ffadc0   r14 = 0xffffffffffffff92
    r15 = 0x0000000000000000   rip = 0x00007fe0f68cc0fe
    rsp = 0x00007fe0a9ffad40   rbp = 0x00007fe0780057f0
    Found by: given as instruction pointer in context
 1  phantomjs-1.9.2 + 0x17e39b6
    rip = 0x0000000001be39b7   rsp = 0x00007fe0a9ffada0
    Found by: stack scanning
 2  phantomjs-1.9.2 + 0x17d781c
    rip = 0x0000000001bd781d   rsp = 0x00007fe0a9ffae20
    Found by: stack scanning
 3  phantomjs-1.9.2 + 0x17e2ca1
    rip = 0x0000000001be2ca2   rsp = 0x00007fe0a9ffae60
    Found by: stack scanning
 4  libpthread-2.15.so + 0x7c82
    rip = 0x00007fe0f68c7c83   rsp = 0x00007fe0a9ffae70
    Found by: stack scanning
 5  libc-2.15.so + 0x3b5827
    rip = 0x00007fe0f60a3828   rsp = 0x00007fe0a9ffae80
    Found by: stack scanning
 6  libc-2.15.so + 0x3b582f
    rip = 0x00007fe0f60a3830   rsp = 0x00007fe0a9ffae88
    Found by: stack scanning
 7  libpthread-2.15.so + 0x7e99
    rip = 0x00007fe0f68c7e9a   rsp = 0x00007fe0a9ffaeb0
    Found by: stack scanning

Loaded modules:
0x00400000 - 0x026b9fff  phantomjs-1.9.2  ???  (main)
0x7fe0880e9000 - 0x7fe088136fff  DejaVuSerifCondensed-Bold.ttf  ???
0x7fe0886b5000 - 0x7fe088701fff  DejaVuSansMono-Bold.ttf  ???
0x7fe088702000 - 0x7fe088753fff  DejaVuSansMono.ttf  ???
0x7fe0888c6000 - 0x7fe0888cefff  c0632bt_.pfb  ???
0x7fe0888da000 - 0x7fe0888e3fff  c0583bt_.pfb  ???
0x7fe089760000 - 0x7fe089768fff  c0648bt_.pfb  ???
0x7fe08ace6000 - 0x7fe08ad36fff  DejaVuSerifCondensed.ttf  ???
0x7fe08b034000 - 0x7fe08b0c9fff  DejaVuSans-Oblique.ttf  ???
0x7fe08b0ee000 - 0x7fe08b0f7fff  c0419bt_.pfb  ???
0x7fe08b522000 - 0x7fe08b5b7fff  DejaVuSans-BoldOblique.ttf  ???
0x7fe0a841a000 - 0x7fe0a84b4fff  DejaVuSansCondensed-Bold.ttf  ???
0x7fe0a84b5000 - 0x7fe0a8552fff  DejaVuSansCondensed.ttf  ???
0x7fe0a93d2000 - 0x7fe0a95defff  libnss_files-2.15.so  ???
0x7fe0a95df000 - 0x7fe0a97f8fff  libresolv-2.15.so  ???
0x7fe0f4fab000 - 0x7fe0f5207fff  libssl.so.1.0.0  ???
0x7fe0f5209000 - 0x7fe0f55dffff  libcrypto.so.1.0.0  ???
0x7fe0f55e4000 - 0x7fe0f58acfff  locale-archive  ???
0x7fe0f58ad000 - 0x7fe0f5ad6fff  libexpat.so.1.5.2  ???
0x7fe0f5ad7000 - 0x7fe0f5cedfff  libz.so.1.2.3.4  ???
0x7fe0f5cee000 - 0x7fe0f60a8fff  libc-2.15.so  ???
0x7fe0f60ae000 - 0x7fe0f62c3fff  libgcc_s.so.1  ???
0x7fe0f62c4000 - 0x7fe0f65bffff  libm-2.15.so  ???
0x7fe0f65c0000 - 0x7fe0f68aafff  libstdc++.so.6.0.16  ???
0x7fe0f68c0000 - 0x7fe0f6ad8fff  libpthread-2.15.so  ???
0x7fe0f6add000 - 0x7fe0f6ce4fff  librt-2.15.so  ???
0x7fe0f6ce5000 - 0x7fe0f6ee8fff  libdl-2.15.so  ???
0x7fe0f6ee9000 - 0x7fe0f711efff  libfontconfig.so.1.4.4  ???
0x7fe0f711f000 - 0x7fe0f73bafff  libfreetype.so.6.8.0  ???
0x7fe0f73bb000 - 0x7fe0f73dcfff  ld-2.15.so  ???
0x7fe0f75bb000 - 0x7fe0f75c1fff  gconv-modules.cache  ???
0x7fe0f75c2000 - 0x7fe0f75cafff  6d41288fd70b0be22e8c3a91e032eec0-le64.cache-3  ???
0x7fe0f75d8000 - 0x7fe0f75d8fff  libc.mo  ???
0x7fe0f75d9000 - 0x7fe0f75dafff  e13b20fdb08344e0e664864cc2ede53d-le64.cache-3  ???
0x7fffef5ff000 - 0x7fffef5fffff  linux-gate.so  ???