Re: Summary of nightly testing 20061016 (failed to retrieve return value location)

["bibo,mao" <bibo.mao@intel.com>]

Nguyen, Thang P wrote:
> 
>  > The tcptest.stp failed on most of the platforms. When trying to
> compile
>  > the script by hand it gets a number of errors:
>  >       "failed to retrieve return value location: identifier '$return'"
>  >
>  > For
>  > install/share/systemtap/tapset/tcp.stp:159:9
>  > install/share/systemtap/tapset/tcp.stp:129:9
>  >
>  > This is looking like there might be a problem with the
>  > debuginformation for some of the kernels.
>  >
>  > -Will
> 
> I could not reproduce any "$return" error on my boxes (ia32 & x86_64).
> Looks like Bibo also had this problem earlier, not sure if he still sees
> the issue, or if any resolution has been made.  See the thread below.
> 
> http://sourceware.org/ml/systemtap/2006-q3/msg00130.html
> 
> http://sourceware.org/ml/systemtap/2006-q3/msg00129.html
> 
$return error on IA64 is solved by elfutils 0.123 later version, it
works well my IA32 & x86_64 machines also.

thanks
bibo,mao
> On the other hand, I do see the tcp_test.exp fails occasionally when TCP
> traffic on the test machine is really low, so the test itself may be
> part of the problem.  I just need to twist tcp_test.exp to send/receive
> more packets when it is executed.  This should reduce the number of
> failure, and perhaps isolate the cases where the real "$return" errors
> appear.
> 
> Thang
>