openldap server + kse = bewm
Daniel Eischen
eischen at vigrid.com
Thu Feb 19 21:29:49 PST 2004
On Thu, 19 Feb 2004, Doug White wrote:
> hey folks,
>
> Looks like the OpenLDAP server, slapd, and KSE don't get along too well.
>
> I can reliably segfault slapd by doing a few requests of it on a -CURRENT
> machine built this morning PST. TLS seems to accelerate things, but it
What is TLS?
> can be done without. I have this backtrace, with a debugging libpthread,
> but I'm not sure how useful it is to you folks.
>
> This is 100% reproducible, although initially it was croaking in
> pthread_testcancel() instead of a kse function. This leads me to suspect
> strange mutex corruption, but I'd like someone who understands kse to at
> least spot-check.
Usually, this is from something that is using %gs and stomping
on our LDTs. Any warnings from the kernel about static LDT
allocations?
> I thought at first it might be some strange interaction between berkeley
> db 4.2's special assembly mutexes and kse, but I rebuilt db42 with pthread
> mutexes and rebuilt openldap to use DB_PRIVATE so the db would mount, but
> no change in status.
>
> Here's the trace from gdb:
This doesn't show much to me...
--
Dan Eischen
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