Dreaded ORA-07445 error

Late yesterday one of our projects passed me information abvout an ORA-07445 error they'd had earlier in the day, apparently this is stopping one of the modules in their application to stop working. Why they couldn't have told me about it earlier I don't know, I would have had time to raise a Service Request with Oracle during our maintenence hours (the why we don't have 24x7 cover is a rant for another time).

I raised a call with Oracle before I went home but there's been no updates on it as of yet, other than a note saying they will update it when they have some information (fair enough I suppose). This long silence is worrying, maybe it's something serious?

Here's the header of the trace file:

*** 2006-05-19 10:57:39.159
*** SESSION ID:(21.4255) 2006-05-19 10:57:39.158
Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object), addr: 0x0, PC: [0x1009b0b04, 00000001009B0B04]
*** 2006-05-19 10:57:39.159
ksedmp: internal or fatal error
ORA-07445: exception encountered: core dump [00000001009B0B04] [SIGSEGV] [Address not mapped to object] [0x000000000] [] []
Current SQL statement for this session:
select all count(dm_type.r_object_id) "the_count" from dm_type_sp dm_type where (dm_type.name=:"SYS_B_0" and exists (select r_object_id from dm_type_r where dm_type.r_object_id = r_object_id and attr_name=:"SYS_B_1"))
----- Call Stack Trace -----
calling call entry argument values in hex
location type point (? means dubious value)
-------------------- -------- -------------------- ----------------------------
ksedmp()+328 CALL ksedst() 00000000B ? 000000000 ?
000000000 ? 00000004A ?
FFFFFFFF7FFF3C78 ?
102F5E0F8 ?
ssexhd()+676 CALL ksedmp() 000103348 ? 103348000 ?
103348CA8 ? 10334D000 ?
000102800 ? 000000000 ?
sigacthandler()+44 PTR_CALL 0000000000000000 000103350 ?
FFFFFFFF7FFFAD10 ?
103350000 ? 10334DE60 ?
000000000 ? 103350DB8 ?
evaopn2()+196 PTR_CALL 0000000000000000 00000000B ?
FFFFFFFF7FFFAD10 ?
FFFFFFFF7FFFAA30 ?
00010334B ? 000000000 ?
000000000 ?
qerixGetKey()+1420 CALL evaopn2() 3966E1C20 ? 000010000 ?
103350000 ? 000000001 ?
080000002 ?
FFFFFFFF7CB20288 ?
qerixStart()+956 CALL qerixGetKey() 000000000 ? 3966E1DE0 ?
FFFFFFFFFFFFFFFF ?
FFFFFFFF7CB31C98 ?
000103000 ?
FFFFFFFF7CB316C0 ?
qertbStart()+1044 PTR_CALL 0000000000000000 396780958 ? 0001A2C91 ?
000000000 ?
FFFFFFFF7CB325EC ?
FFFFFFFF7CB32528 ?
1033503A8 ?
qerjoFetch()+396 PTR_CALL 0000000000000000 102AE1000 ? 000000001 ?
10334B208 ? 000000018 ?
000103000 ? 3950B5A90 ?
qerstFetch()+212 PTR_CALL 0000000000000000 3966E24A8 ? 1016276A0 ?
FFFFFFFF7FFFB558 ?
000007FFF ? 0000005F8 ?
FFFFFFFF7CB31488 ?
qergsFetch()+2268 PTR_CALL 0000000000000000 3966E2440 ? 000000014 ?
000000005 ? 00000000F ?
0000000F0 ? 000007FFF ?
qerstFetch()+212 PTR_CALL 0000000000000000 000101400 ?
FFFFFFFF7CB31820 ?
000000000 ? 000000028 ?
1016276A0 ? 3966E23A8 ?
opifch2()+1724 PTR_CALL 0000000000000000 3966E2340 ? 00000010C ?
000000043 ? 0000000C9 ?
000000C90 ? 000000028 ?
opiall0()+3860 CALL opifch2() 100FD2000 ? 102AE1398 ?
100FA6640 ? 000000012 ?
FFFFFFFF7FFFBB20 ?
FFFFFFFF7FFFC14C ?
kpoal8()+1040 CALL opiall0() 000000000 ? 00000005E ?
FFFFFFFF7FFFC3D8 ?
103349048 ?
FFFFFFFF7CB206B0 ?
FFFFFFFF7FFFC768 ?
opiodr()+1688 PTR_CALL 0000000000000000 000000000 ? 000000028 ?
FFFFFFFF7FFFEC20 ?
000000024 ? 000000000 ?
0000022B0 ?
ttcpip()+1556 PTR_CALL 0000000000000000 000103000 ? 100F8D200 ?
103351048 ? 103349048 ?
10334B580 ?
FFFFFFFF7FFFCDC0 ?
opitsk()+984 CALL ttcpip() 103351040 ? 000000014 ?
FFFFFFFF7FFFEC20 ?
000000000 ? 000000000 ?
FFFFFFFF7FFFDF0C ?
opiino()+1572 CALL opitsk() 000000000 ? 000000000 ?
000000000 ? 000000000 ?
10334B568 ?
FFFFFFFF7FFFED74 ?
opiodr()+1688 PTR_CALL 0000000000000000 000380007 ? 10334FE98 ?
103411DE8 ?
FFFFFFFF7FFFFAB0 ?
000000000 ? 392ACB4C8 ?
opidrv()+736 CALL opiodr() 000103000 ? 100FDD5C0 ?
103351048 ? 103349048 ?
10334B580 ?
FFFFFFFF7FFFF5D0 ?
sou2o()+16 CALL opidrv() 000000000 ? 000000004 ?
103348A2C ? 00000003C ?
103348F08 ? 000103000 ?
main()+184 CALL sou2o() FFFFFFFF7FFFFAD0 ?
00000003C ? 000000004 ?
FFFFFFFF7FFFFAB0 ?
00002E708 ? 000000000 ?
_start()+380 CALL main() 000000002 ?
FFFFFFFF7FFFFC18 ?
FFFFFFFF7FFFFC30 ?
000000000 ? 000000000 ?
100000000 ?

Hope they get back to me soon!

[Edited to Add: See the solution to ORA-07445: exception encountered: core dump [00000001009B0B04] [SIGSEGV] [Address not mapped to object] [0x000000000] [] [].]