Re: port-amd64/55661: pppoe renegotiation timeout causing pani

[Roy Marples <roy%marples.name@localhost>]

The following reply was made to PR port-amd64/55661; it has been noted by GNATS.

From: Roy Marples <roy%marples.name@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-amd64/55661: pppoe renegotiation timeout causing pani
Date: Thu, 24 Sep 2020 03:56:03 +0100

 I can reliably reproduce this on NetBSD-9.99.73 without an ISP.
 
 I have setup a pppoe(4) interface with LINK0 and enabled PPPOE server in the kernel.
 I have a VM that in turn is a pppoe client for the above.
 Upon shutting down the VM, the NetBSD host panics.
 
 Slightly blurred backtrace here:
 https://photos.app.goo.gl/6KRiUe3ifdhRDgy19
 
 Riastradh | sppp_keepalive needs to defer if_down to workqueue
 Riastradh | not fully fixed, please reopen and share stack trace with yamaguchi-san
 
 Roy