I now get this runtime error, on both Intrepid and Lucid :-
set_tid_address(0xb67d8738) = 19452
set_robust_list(0xb67d8740, 0xc) = 0
futex(0xbfc328d0, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0xbfc328d0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, bfc328e0) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0x3b9410, [], SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x3b98f0, [], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
uname({sys="Linux", node="boxrd.wizzy.org.za", ...}) = 0
rt_sigaction(SIGALRM, {0xc7adc0, [], SA_NODEFER}, {SIG_DFL, [], 0}, 8) = 0
futex(0x68879c, FUTEX_WAKE_PRIVATE, 2147483647) = 0
brk(0) = 0x9a88000
brk(0x9aa9000) = 0x9aa9000
open("/srv/wikipedia/wikipedia_en_wp1_0.7_30000+_05_2009_beta3.zim", O_RDONLY) = -1 EOVERFLOW (Value too large for defined data type)
futex(0xc3e0e8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
write(2, "Unable to open the ZIM file '", 29Unable to open the ZIM file ') = 29
write(2, "/srv/wikipedia/wikipedia_en_wp1_"..., 60/srv/wikipedia/wikipedia_en_wp1_0.7_30000+_05_2009_beta3.zim) = 60
write(2, "'.", 2'.) = 2
write(2, "\n", 1
) = 1
rt_sigaction(SIGALRM, {SIG_DFL, [], 0}, {0xc7adc0, [], SA_NODEFER}, 8) = 0
exit_group(1) = ?