Date: Tue, 12 Apr 2022 18:51:47 +0200 From: Michael Gmelin <grembo@freebsd.org> To: moremore2@outlook.com Cc: Michael Gmelin <grembo@freebsd.org>, FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: cannot resolve host in VNET jail with RSS enabled Message-ID: <20220412185147.7288f9bc.grembo@freebsd.org> In-Reply-To: <OSZPR01MB694077471E4C0EE87D301549EEED9@OSZPR01MB6940.jpnprd01.prod.outlook.com> References: <OSZPR01MB69401CA55D2E0B98AB7149DFEEEB9@OSZPR01MB6940.jpnprd01.prod.outlook.com> <B15EFED9-9D1E-4295-9597-56D705888795@freebsd.org> <OSZPR01MB6940E7B9E3E13A9F89C7986DEEEB9@OSZPR01MB6940.jpnprd01.prod.outlook.com> <20220411183756.1eb0a9b6.grembo@freebsd.org> <OSZPR01MB694077471E4C0EE87D301549EEED9@OSZPR01MB6940.jpnprd01.prod.outlook.com>
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On Tue, 12 Apr 2022 13:32:35 +0800 moremore2@outlook.com wrote: > Hi, > Thanks for your kindly reply. I've never tried 'options rss' and > 'options pcbgroup' before. Hi, I can reproduce the problem, it was introduced in 2e0bee4c7f8176 (so not in the most recent epair patch). It only happens on an RSS-enabled kernel with if hw.ncpu>1. I wrote a script to reproduce the issue (warning: it messes with networking and overwrites /etc/pf.conf): https://people.freebsd.org/~grembo/epair_hang_ping.sh Best Michael -- Michael Gmelin
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