Crash #3

• Date: Mon, 23 Oct 1995 10:21:16 PDT
• From:
  asb@media.mit.edu

We just went down in flames again.  Looks like the same bug as the first
crash--it's a match expression on the inter-moo communications feature.  Not
sure if this additional info is helpful, but here you go:

Oct 23 12:55:37: *** PANIC: Caught signal 10
Oct 23 12:55:37: *** COMMAND HISTORY:
[ordinary looking stuff deleted]
Oct 23 12:55:37: #6402:announce_login announce_logout, line 11:  server panic
Oct 23 12:55:37: ... called from #6402:use, line 16
Oct 23 12:55:37: ... called from #2018:transmit, line 62
Oct 23 12:55:37: ... called from #2018:use, line 8
Oct 23 12:55:38: ... called from #7573:handle (this == #10700), line 20
Oct 23 12:55:38: ... called from #7573:open (this == #10700), line 47
Oct 23 12:55:38: ... called from #7573:keep_open (this == #10700), line 6
Oct 23 12:55:38: ... called from #7573:server_started (this == #10700), line 7
Oct 23 12:55:38: ... called from #0:server_started, line 5
Oct 23 12:55:38: (End of traceback)
Oct 23 12:55:38: PANIC-DUMPING on MediaMOO.db.new.PANIC ...

(dbx) where
warning: core file read error: address not in data space
kill() at 0xf775f040
abort_server(), line 117 in "code/MOO-1.7.9p1/server.c"
panic(), line 145 in "code/MOO-1.7.9p1/server.c"
panic_signal(), line 154 in "code/MOO-1.7.9p1/server.c"
_sigtramp() at 0xf7732c4c
rx_cache_malloc_or_get(), line 3128 in "code/MOO-1.7.9p1/rx.c"
rx_cache_malloc_or_get(), line 3128 in "code/MOO-1.7.9p1/rx.c"
superset_allocator(), line 3194 in "code/MOO-1.7.9p1/rx.c"
rx_hash_store(), line 1007 in "code/MOO-1.7.9p1/rx.c"
rx_superset_cons(), line 3397 in "code/MOO-1.7.9p1/rx.c"
rx_superstate_eclosure_union(), line 3428 in "code/MOO-1.7.9p1/rx.c"
rx_superstate_eclosure_union(), line 3428 in "code/MOO-1.7.9p1/rx.c"
rx_superstate_eclosure_union(), line 3428 in "code/MOO-1.7.9p1/rx.c"
rx_superstate_eclosure_union(), line 3428 in "code/MOO-1.7.9p1/rx.c"
solve_destination(), line 3730 in "code/MOO-1.7.9p1/rx.c"
rx_handle_cache_miss(), line 4051 in "code/MOO-1.7.9p1/rx.c"
re_search_2(rxb = 0x40d38, string1 = (nil), size1 = 0, size2 = 8, startpos = 8,
range = 45716280, regs = 0x43cf8, stop = 8), line 7925 in "code/MOO-1.7.9p1/rx.c
"
re_search(), line 8070 in "code/MOO-1.7.9p1/rx.c"
do_match(), line 794 in "code/MOO-1.7.9p1/list.c"
bf_match(), line 846 in "code/MOO-1.7.9p1/list.c"
call_bi_func(), line 224 in "code/MOO-1.7.9p1/functions.c"
run(result = (nil)), line 1134 in "code/MOO-1.7.9p1/execute.c"
resume_from_previous_vm(), line 1332 in "code/MOO-1.7.9p1/execute.c"
resume_reading_vm(), line 75 in "code/MOO-1.7.9p1/eval_vm.c"
run_ready_tasks(), line 877 in "code/MOO-1.7.9p1/tasks.c"
main_loop(), line 337 in "code/MOO-1.7.9p1/server.c"
main(), line 1002 in "code/MOO-1.7.9p1/server.c"
(dbx)

@program #6402:announce_login
if (caller != this)
  return E_PERM;
endif
from = args[1];
what = args[2];
login = verb == "announce_login";
ann_list = this.listening[from in this.servers];
for i in [1..length(ann_list) / 2]
  who = ann_list[i * 2 - 1];
  how = ann_list[i * 2];
  if (match(what, how))
    who:tell("<< ", ctime()[12..16], " ", login ? "Connected to " | "Disconnected from ", this.link.s_names[from in this.link.s_codes], ": ", what[1..length(what) - 2], " >>");
  endif
endfor


More info available on request.

-- Amy

• Re: 1.7.9p1 match()/rmatch()
• From: Kai Storbeck <kais@dds.nl>

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