On 06/11/2009 03:49 AM, tweyergraf wrote:
>
>
> On Jun 11, 1:29 am, Mike Christie<micha...@cs.wisc.edu>  wrote:
>> On 06/09/2009 09:24 AM, tweyergraf wrote:
>>
>> [...]
>> So after the releasing session entry you get the glibc free error
>> message, right?
>
> Yes, exactly. iscsid crashes precisely in the function session_release
> in initiator.c. I have wrapped the calls to
> iscsi_conn_context_free() and free() calles in this function with my
> own log_debug calls. The call of free(session) *sometimes* causes the
> crash.
> Currently, i am about to setup a dedicated test-system to facilitate
> the possibility of further tests. I think by
> monday next week, i could do further investigations. If you want me to
> do something to find out more about this issue, feel free ;)
> I have used open-iscsi quit intensively and never had such a problem.
> But this problem occurs on quit a few different systems ( about 10 ).
> Some are XEN Dom0's some dedicated hosts. They connect to Linux-IET
> targets as well as to ou EMC storage-backend. The error occurs with
> both target-types. I am also fairly certain, that we can rule-out
> networking issus, since the systems are on different networks with
> different network-setups. Also, the problem arises with the Centos
> open-iscsi packages, as well as self-build open-iscsi versions 870.3
> and 871-test4.
>
> As stated previously, iscsid runs stable, if I comment-out the two
> functioncalls above in session_release(). Of course, I am leaking
> memory in iscsid if I login to new targets ( which fortunatly does not
> happen often enough).
>
> Feel free to request more tests, give suggestions or ask for more
> information.
>

Are you doing iscsi boot? In the logs it looks like there are sessions 
running when iscsid starts up. This is fine, iscsid can handle this. But 
maybe if we can take that out of the picture we can narrow the problem down,

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