Re: kern/53161: ATF test runs leave a rump_server process around

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

On Fri, Apr 6, 2018 at 5:00 PM,  <martin%netbsd.org@localhost> wrote:
>>Number:         53161
>>Category:       kern
>>Synopsis:       ATF test runs leave a rump_server process around
>>Confidential:   no
>>Severity:       critical
>>Priority:       high
>>Responsible:    kern-bug-people
>>State:          open
>>Class:          sw-bug
>>Submitter-Id:   net
>>Arrival-Date:   Fri Apr 06 08:00:00 +0000 2018
>>Originator:     Martin Husemann
>>Release:        NetBSD 8.0_BETA
>>Organization:
> The NetBSD Foundation, Inc.
>>Environment:
> System: NetBSD unpluged.duskware.de 8.0_BETA NetBSD 8.0_BETA (UNPLUGED) #30: Thu Apr 5 17:47:24 CEST 2018 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src-8/sys/arch/evbarm/compile/UNPLUGED evbarm
> Architecture: earm
> Machine: evbarm
>>Description:
>
> Since one or two weeks, on evbarm, after a full ATF test run, a rump_server
> process is left running, eating lots of CPU.
>
> I have not identified the test triggering this yet. This does not happen in
> -current.

The last argument of the rump_server process may tell us which test
starts the rump_server. It's a unix domain socket for rump kernels
and many tests embed its test name into the filename.

  ozaki-r