Hi All,

I think Jim is using the term "deadlock" loosely. He appears to be speaking of a hang. 
The normal recommendation for
diagnosing the cause of a hang is to take two 'systemstate' dumps from different 
sessions in quick succession. However,
from 8.1.6 there is a 'hanganalyze' dump that can also be used, and is somewhat more 
useful. Be warned, however, that
I've seen it crash an instance once.

@   Regards,
@   Steve Adams
@   http://www.ixora.com.au/              -  For DBAs
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@   http://www.christianity.net.au/       -  For all


-----Original Message-----
Sent: Saturday, 20 October 2001 4:03
To: Multiple recipients of list ORACLE-L


Hi James,

setting an event at init/session level would basically
dump the error state into an trc file. ora-60 or
deadlock by defualt writes a message in alert file and
also dumps a large trace in udump.

so why do you want to explicitly set this event? The
default behaviour mimicks the same anyways.

hth
Deepak

--- James Howerton <[EMAIL PROTECTED]> wrote:
> DBA's
>
> Does anyone know of an event= to set to capture a
> deadlock condition?
>
> On two occasions now a user's session has locked up
> due to a network problem or three finger salute or
> who knows what(???) blocking other users from adding
> records to the system. I have to get it fixed
> quickly to get them working again so I don't have
> time to study everything in the locked state before
> killing the offending users session. It has only
> happened twice, once at night and once on a
> holliday. I don't have all of my toys at home to get
> a quick look.
>
> TIA
>
> ...JIM...
>

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Author: Steve Adams
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