Comment # 3 on bug 961286 from Reinhard Mutz

 strace /usr/bin/thunderbird

 .......
...
...
close(33)                               = 0
futex(0x7fb52bf17ddc, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 0x7fb52bf17d78,
30) = 1
futex(0x7fb52a5967f0, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7fb5406dd70c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7fb5406dd708,
{FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
mmap(NULL, 65536, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7fb530e45000
futex(0x7fb5406dd70c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7fb5406dd708,
{FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=7,
events=POLLIN|POLLPRI}, {fd=9, events=POLLIN|POLLPRI}, {fd=10, events=POLLIN},
{fd=29, events=POLLIN}, {fd=30, events=POLLIN}], 7, 0) = 1 ([{fd=30,
revents=POLLIN}])
recvmsg(4, 0x7ffc02d85060, 0)           = -1 EAGAIN (Resource temporarily
unavailable)
read(30, "\372", 1)                     = 1
write(31, "\372", 1)                    = 1
mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK,
-1, 0) = 0x7fb5284ff000
mprotect(0x7fb5284ff000, 4096, PROT_NONE) = 0
clone(child_stack=0x7fb528cfefb0,
flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,
parent_tidptr=0x7fb528cff9d0, tls=0x7fb528cff700, child_tidptr=0x7fb528cff9d0)
= 13414
futex(0x7fb52a596b1c, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 0x7fb52a596ab8,
2) = 1
futex(0x7fb52a7cb38c, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 0x7fb52a7cb328,
2) = 1
/usr/lib64/thunderbird/thunderbird-bin: relocation error:
/usr/lib64/thunderbird/libxul.so: symbol png_get_first_frame_is_hidden, version
PNG16_0 not defined in file libpng16.so.16 with link time reference
mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK,
-1, 0 <ptrace(SYSCALL):No such process>
+++ exited with 127 +++