Date: Tue, 3 May 2016 09:24:49 +0200 From: Roger Pau =?iso-8859-1?Q?Monn=E9?= <roger.pau@citrix.com> To: Stephen Jones <StephenJo@LivingComputerMuseum.org> Cc: "'freebsd-xen@freebsd.org'" <freebsd-xen@freebsd.org> Subject: Re: xn ethernet issues as DOMU under NetBSD DOM0 Message-ID: <20160503072441.qgqgaw52sijybg4a@mac> In-Reply-To: <C4D720DD281F6740AC917B82741E9AD2AB27BC39@505MBX1.corp.vnw.com> References: <C4D720DD281F6740AC917B82741E9AD2AB27BC39@505MBX1.corp.vnw.com>
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On Mon, May 02, 2016 at 07:16:16PM +0000, Stephen Jones wrote: > Hello, I'm seeing a problem with networking running under FreeBSD 10.3 as a XEN DOMU (HVM) on a NetBSD 7 XEN DOM0 (XEN45). > In searching the list archives, I did see mentions of there being an issue with scatter/gather with symptoms affecting > ssh connections in/out going and likely other network issues. Are there sysctl parameters or other settings that could get > around this issue? > > The ssh symptom (as reported by others) looks like this: > > debug1: Local version string SSH-2.0-OpenSSH_6.8 NetBSD_Secure_Shell-20150403 > debug1: Remote protocol version 2.0, remote software version OpenSSH_7.2 FreeBSD-20160310 > debug1: match: OpenSSH_7.2 FreeBSD-20160310 pat OpenSSH* compat 0x04000000 > debug1: Remote is NON-HPN aware > debug1: mac 0x0, -1 -1 > debug1: SSH2_MSG_KEXINIT sent > Bad packet length 168430090. > debug1: mac 0x0, -1 -1 > ssh_dispatch_run_fatal: message authentication code incorrect Can you try with a HEAD snapshot? netfront has been recently reworked [0], so there's a chance it is already fixed there. Roger. [0] https://svnweb.freebsd.org/base?view=revision&revision=294442
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