Hello Everyone,

Yesterday, our informix IDS 10.0 FC4 crashed instantly and while searching for the log file, i have found the following error, which is pasted below. Kindly let me know what is the problem with this instance.

13:26:16 Maximum server connections 167
13:30:07 Logical Log 7646 Complete, timestamp: 0x13f0d2c5.
13:30:08 Logical Log 7646 - Backup Started
13:30:09 Logical Log 7646 - Backup Completed
13:30:09 stack trace for pid 27700 written to /u/informix/tmp/af.2d4d0
13:30:09 Fatal error in ADM VP at mtex.c:472
13:30:09 No Exception Handler
13:30:09 PANIC: Attempting to bring system down

Below is the output of af.2d4d0 file as well:

base: 0x00000001011b0348
len: 24576
pc: 0x00000001009b6094
tos: 0x00000001011b49f1
state: running
vp: 0

0x1009b6094 oninit :: afstack + 0x34 sp=0x1011b51f0(0x1011cafc0, 0x1011b6e38, 0x1000003, 0x0, 0x4000, 0x0)
0x1009bac7c oninit :: mt_ex_throw_sig + 0x320 sp=0x1011b54c0 delta_sp=720(0x100f12298, 0x1010edd38, 0x0, 0x100978048, 0x1010f1748, 0x1011cafc0)
0x1009781a0 oninit :: afsig_handler + 0x158 sp=0x1011b5680 delta_sp=448(0x1011b0340, 0x41b0, 0x1010edcf8, 0x1010edd38, 0x4000, 0x0)
0xffffffff7dacd424 /lib/sparcv9/libc.so.1 :: _thr_slot_offset + 0x5b0 sp=0x1011b5740 delta_sp=192(0xa, 0x1011b5cc0, 0x1011b59e0, 0x100978048, 0x0, 0x9)
0xffffffff7dac17d4 /lib/sparcv9/libc.so.1 :: sema_post + 0x628 sp=0x1011b57f0 delta_sp=176(0xffffffff7dc02000, 0xffffffff7dc02000, 0x1011b59e0, 0x8, 0x0, 0x0)
0x100984f98 oninit :: scan_child_list + 0x38c sp=0x1011b5920 delta_sp=304(0x100decbd0, 0xffffffff7dc02000, 0x0, 0x1011b5e70, 0x1011ae5c0, 0x0)
0x100985b0c oninit :: timer_vp + 0x1f0 sp=0x1011b5f70 delta_sp=1616(0x100f16688, 0x1011b6dc0, 0x1011b0340, 0x119a11dd8, 0x0, 0xffffffff7dbeef40)
0x10097a024 oninit :: fork_processor + 0x154 sp=0x1011b6020 delta_sp=176(0x1011b0340, 0x1011cafa8, 0x101128e88, 0x11a7c5028, 0x0, 0x1011b01d0)
0x10097a118 oninit :: clone_processor + 0x44 sp=0x1011b60e0 delta_sp=192(0x11a7c5028, 0x1011bcfb0, 0x0, 0x0, 0x0, 0x0)
0x100989f90 oninit :: startup + 0xfc sp=0x1011b6190 delta_sp=176(0x1011bcfb0, 0x0, 0x1011b6dc0, 0x11a7c5028, 0xffffffff7ffd609c, 0x1011b01d0)

I will be waiting for your prompt response.

Thanks.

Regards,
Omer Saeed Khan

We upgraded from FC4 following a couple of instances were we couldn't connect to the engine, but it hadn't assert failed.

What you had looks a bit buggy to me and I would recommend upgrading - we have 10.00.FC7 at several sites and they are working fine.