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Re: (ITS#6200)
imf@u.washington.edu wrote:
> The changes made to 2.4.17 seem to have fixed the crashes in the caching
> module. Thanks for that.
>
> We still are able to crash 2.4.17, however. It only happens after a heavy
> load is placed on the producer for>24 hours continuous. Unfortunately,
> we've not been able to get good tracebacks. They all look like this,
>
> (gdb) where
> #0 0x00869410 in __kernel_vsyscall ()
> #1 0x00390d80 in raise () from /lib/libc.so.6
> #2 0x00392691 in abort () from /lib/libc.so.6
> #3 0x0038a1fb in __assert_fail () from /lib/libc.so.6
> #4 0x0808d532 in malloc ()
> #5 0x0822c93f in ?? ()
> #6 0x0822c933 in ?? ()
> #7 0x00000039 in ?? ()
> #8 0x0822c908 in ?? ()
> #9 0x00000000 in ?? ()
>
> The producer slowly grows its memory footprint. I can't tell if it's from
> just normal operations or memory leaks. I suspect it's a little of both.
> The end result, as you can see from the core above, is that there's likely
> some corrupted (or unfreed) memory somewhere. Sorry I can't nail it down
> further.
There's not enough information here.
An assert is always accompanied by an error message on stderr; we need to see
the actual error message.
There are no symbols in the stack trace pertaining to slapd itself. You seem
to be running a stripped binary. Please provide a trace using a non-stripped
binary that was compiled with -g (debug symbols enabled).
>
> The load profile that we placed on the server is documented in my prior
> report. See above.
--
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/