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Re: kern/55018: rump_server hangs

The following reply was made to PR kern/55018; it has been noted by GNATS.

From: Martin Husemann <>
Subject: Re: kern/55018: rump_server hangs
Date: Thu, 16 Apr 2020 16:58:58 +0200

 There might be different problems at play here, one is the mii workqueue
 not being destroyed, but there is another issue apparently:
 tc-so:Executing command [ /bin/sh -c env LD_PRELOAD=/usr/lib/     RUMPHIJACK=path=/rump,socket=all:nolocal,sysctl=yes pppoectl pppoe0 myauthproto=chap                              ''                                     'myauthsecret=oink'                                     'hisauthproto=none' ]
 tc-so:Executing command [ rump.ifconfig pppoe0 up ]
 tc-so:Executing command [ -c 1 -w 3 ]
 tc-so:Executing command [ rump.ifconfig pppoe0 down ]
 and at that point the client hangs, untill timeout hits. At this moment there
 are two rump_server processes running (with the pppoe connection between
 them), and both do not like attaching gdb (at least on some architectures):
 Attaching to process 1853
 [ 2700.9295367] sorry, pid 1853 was killed: orphaned traced process
 Segmentation fault (core dumped)
 (and I get a gdb.core, plus the test continues)

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