ORA-07445: exception encountered: core dump [nstimexp()+24]

Hello all,

I'm getting this error in Oracle10:

ksedmp: internal or fatal error
ORA-07445: exception encountered: core dump [nstimexp()+24] [SIGBUS] [Invalid address alignment] [0x0000007E9] [] []
Current SQL information unavailable - no session.
----- Call Stack Trace -----
calling              call     entry                argument values in hex      
location             type     point                (? means dubious value)    
-------------------- -------- -------------------- ----------------------------
ksedmp()+1008        CALL     ksedst()             000000042 ? 104C02B78 ?
                                                   104C02B88 ? 000000000 ?
                                                   1052E0CE8 ? 000000008 ?

Have you ever faced it? Do you know why it happens? Do you know if there is any bug related?

Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Muhammad KhanManager, ITCommented:
This is an internal error and should be reported to Oracle.. the root maybe at OS level or this might also be due to physical data block corruption.. but it is recommended that you log a SR with oracle
lulonAuthor Commented:
Thanks aiklamha.

Anyway, please answer this question if you have a different reply like contact Oracle support or similar.
   This is an internal bug and according to bug If DCD is enabled (sqlnet.expire_time set in sqlnet.ora) then
shared server or dispatcher processes may occassionally dump with a stack showing "sigacthandler" and "nstimexp" functions. This is fixed in and

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Oracle Database

From novice to tech pro — start learning today.