Re: [PATCH net-next v7] selftests: net: add tests for PPP

Qingfang Deng
2026-04-02T02:26:23Z

Hi,

On Thu, Apr 2, 2026 at 8:56 AM Jakub Kicinski <kuba@kernel.org> wrote:
>
> On Wed, 1 Apr 2026 23:45:38 +0800 Qingfang Deng wrote:
> > > # iperf3: error - unable to connect to server - server may have stopped running or use a different port, firewall issue, etc.: Network is unreachable
> > > # TEST: PPPoE [FAIL]
> > > not ok 1 selftests: net/ppp: pppoe.sh # exit=1
> >
> > It looks like pppoe-server fails to start. You may check the syslog to
> > see what's going on.
>
> Hm, we don't capture syslog automatically :S We capture stdout and
> stderr
>
> I'm not even sure there's something listening on syslog in virtme-ng
> Is it possible to make the daemon log to stdout or a file and dump
> that file to stdout on failure? Even if we fix the current issue
> it will be quite inconvenient if we have to go into syslog every time
> the test is failing. The test output should provide enough info to
> debug failures.

Add Cc: Dianne

I checked the man page of pppoe-server and did not find such option.
We can instead start our own listener and redirect the syslog to a
file or stdout:

socat -u UNIX-RECV:/dev/log,ignoreeof STDOUT &

Regards,
Qingfang