FYI: Squid-3.5.23 does not exist yet. What is the output of "squid -v" ?
On 18/10/2016 5:01 a.m., oleg gv wrote: > I have big traffic (at least 100 computers) , and squid often crashed in > Comm::DoSelect(int msec) function. > I have interception mode and NAT redirect. > > In coredump I saw then bug is in next fragment of code: > > 446│ for (size_t loopIndex = 0; loopIndex < nfds; ++loopIndex) { > 447│ fde *F; > 448│ int revents = pfds[loopIndex].revents; > 449│ fd = pfds[loopIndex].fd; > 450│ > 451│ if (fd == -1) > 452│ continue; > 453│ > 454├> if (fd_table[fd].flags.read_pending) > 455│ revents |= POLLIN; > > SIGSEGV occured often (about 1 time in a minute) in line 454 : fd=-66012128 > , loopindex=283 > > (gdb) p pfds[282] > $17 = {fd = 291, events = 64, revents = 0} -- looks ok > > (gdb) p pfds[283] > $18 = {fd = -66012128, events = 32595, revents = 0} -- looks strange and > spoiled > > (gdb) p Biggest_FD > $19 = 292 > What is the nfds value ? It looks to me like only 282 FD have operations to perform on this I/O cycle. What I/O module is being used? src/comm/ModDevPoll.cc:Comm::DoSelect(int msec) src/comm/ModPoll.cc:Comm::DoSelect(int msec) Amos _______________________________________________ squid-dev mailing list squid-dev@lists.squid-cache.org http://lists.squid-cache.org/listinfo/squid-dev