[LTP] [error] report a hangup error about test route4[6]-change-gw

[Petr Vorel]

Hi Lianwen,
> Hi Alexey

>    I find the runnig  route4-change-gw and route6-change-gw often hangup,

> I debug this two case and testing environment is below:

>     ______                          _______
>    |         |-eth0------ eth0-|          |
>    |host1|                         |host2  |
>    |         |-eth1------ eth1-|          |
>    -------                            ---------

> the ip address of eth0 is used for rshd so that host1  can rsh to host2
> through eth0.

> and the eth1 is use for ltp testcase. and I set the eth1 for test interfaces
> in test_net.sh

> file path: ltp/./testcases/lib/test_net.sh

> 687 # Set names for test interfaces, e.g. "eth0 eth1"
> 688 # This is fallback for LHOST_IFACES in case tst_net_vars finds nothing
> or we
> 689 # want to use more ifaces.
> 690 export LHOST_IFACES="${LHOST_IFACES:-eth1}"
> 691 export RHOST_IFACES="${RHOST_IFACES:-eth1}"

> but the case route4-change-gw and route6-change -gw is use eth0 for test
> interfaces,

> so when running this two case, the eth0 will ifdown/up this lead to  host1
> can not rsh host2

> and hangup will happen.

> I think this case should use $LHOST_IFACES/$RHOST_IFACES as  test interface
> and should not fixed use eth0.

> if I think right , I hope you can revise this  two case.


> file path:ltp/testcases/network/stress/route/route4-change-gw

>   67 # The number of the test link where tests run
>  68 LINK_NUM=${LINK_NUM:-0}
>   ...

> 109     # Get the Interface name of local host
> 110     lhost_ifname=`get_ifname lhost ${LINK_NUM}`

> line 110 ,we can know the eth0 is the test interface

> That's all

> Thanks

> Lianwen Sun

These tests needs to be rewritten to use test_net.sh. I was working on it, planning to finish that:
http://lists.linux.it/pipermail/ltp/2017-August/005309.html


Kind regards,
Petr