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

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

The following reply was made to PR kern/53161; it has been noted by GNATS.

From: Ryota Ozaki <ozaki-r%netbsd.org@localhost>
To: "gnats-bugs%NetBSD.org@localhost" <gnats-bugs%netbsd.org@localhost>
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/53161: ATF test runs leave a rump_server process around
Date: Fri, 6 Apr 2018 17:21:33 +0900

 On Fri, Apr 6, 2018 at 5:14 PM, Ryota Ozaki <ozaki-r%netbsd.org@localhost> wrote:
 > 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.
 
 Oops. This is true only for tests/net. If the rump_server is started from
 tests of other categories, I have no idea to identify.
 
   ozaki-r