Date: Thu, 28 May 2015 04:41:29 +0000 From: Miguel Clara <miguelmclara@gmail.com> To: Dean Anderson <dean@av8.net> Cc: freebsd-xen@freebsd.org Subject: Re: Kernel Panic on 10.1 distribution Message-ID: <C4A38CD3-ABF8-4ECC-9BB9-F6C204D76332@gmail.com> In-Reply-To: <alpine.DEB.2.00.1505280003170.24079@citation3> References: <alpine.DEB.2.00.1505272344100.24000@citation3> <D718D32C-A7DD-41F6-A6EB-2F2A75896761@gmail.com> <alpine.DEB.2.00.1505280003170.24079@citation3>
next in thread | previous in thread | raw e-mail | index | archive | help
I've reported it ages ago when 10 was on 'CURRENT', but it seems there's were never resources (people with the knowledge) available to look into the issue. See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188369 I've reported it months before on the xen-devel list too, but IIRC that's where the most recent info is... Sadly all I could do was test and report my findings, but it seems something changed regarding tso or checksum in the netfront code or even elsewhere, I honestly have no idea, but I found a very similar issue on windows guests running on netbsd hosts cause the PV drivers were assuming features the netbsd backend doesn't have. My theory is freebsd 10 as a similar issue, in my findings disabling tso/checksum stops the panic but I still had no network. Anyway if interested I guess all info is in the PR. I do hope this gets attention and maybe someone has the knowledge/time to fix it. On May 28, 2015 5:03:56 AM GMT+01:00, Dean Anderson <dean@av8.net> wrote: >Yes. Is that a known problem? > >On Thu, 28 May 2015, Miguel Clara wrote: > >> >> Is this on a NetBSD dom0? >> >> >> On May 28, 2015 4:52:56 AM GMT+01:00, Dean Anderson <dean@av8.net> >wrote: >> >> The 10.1 distribution, fresh install, immediately panics on any >ssh/scp >> in or out. It was running as an hvm under Xen 4.2.5. >> I'd send you more but its too hard to get a dump from the system, and >it >> appears pretty easy to reproduce. Good luck. >> --Dean >> >________________________________________________________________________________________________________________________________________________________________________________________________________ >> freebsd-xen@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-xen >> To unsubscribe, send any mail to >"freebsd-xen-unsubscribe@freebsd.org" >> >> >> -- >> Sent from my Android device with K-9 Mail. Please excuse my brevity. >> -- Sent from my Android device with K-9 Mail. Please excuse my brevity. From owner-freebsd-xen@FreeBSD.ORG Fri May 29 01:24:49 2015 Return-Path: <owner-freebsd-xen@FreeBSD.ORG> Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 8871FB4 for <freebsd-xen@freebsd.org>; Fri, 29 May 2015 01:24:49 +0000 (UTC) (envelope-from dean@av8.net) Received: from pobox2.av8.net (pobox2.av8.net [198.3.140.51]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 51651171C for <freebsd-xen@freebsd.org>; Fri, 29 May 2015 01:24:48 +0000 (UTC) (envelope-from dean@av8.net) Received: from citation3.av8.net (citation3.av8.net [198.3.138.4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pobox2.av8.net (Postfix) with ESMTPSA id D9392B53C; Thu, 28 May 2015 21:24:53 -0400 (EDT) Date: Thu, 28 May 2015 21:24:38 -0400 (EDT) From: Dean Anderson <dean@av8.net> X-X-Sender: dean@citation3 To: Miguel Clara <miguelmclara@gmail.com> cc: Dean Anderson <dean@av8.net>, freebsd-xen@freebsd.org Subject: Re: Kernel Panic on 10.1 distribution In-Reply-To: <C4A38CD3-ABF8-4ECC-9BB9-F6C204D76332@gmail.com> Message-ID: <alpine.DEB.2.00.1505282121410.27767@citation3> References: <alpine.DEB.2.00.1505272344100.24000@citation3> <D718D32C-A7DD-41F6-A6EB-2F2A75896761@gmail.com> <alpine.DEB.2.00.1505280003170.24079@citation3> <C4A38CD3-ABF8-4ECC-9BB9-F6C204D76332@gmail.com> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage <freebsd-xen.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-xen>, <mailto:freebsd-xen-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-xen/>; List-Post: <mailto:freebsd-xen@freebsd.org> List-Help: <mailto:freebsd-xen-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-xen>, <mailto:freebsd-xen-request@freebsd.org?subject=subscribe> X-List-Received-Date: Fri, 29 May 2015 01:24:49 -0000 Hmm. That's too bad. Thanks for the info. On Thu, 28 May 2015, Miguel Clara wrote: > I've reported it ages ago when 10 was on 'CURRENT', but it seems there's were never resources (people with the knowledge) available to look into the issue. > > See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188369 > > I've reported it months before on the xen-devel list too, but IIRC that's where the most recent info is... > > Sadly all I could do was test and report my findings, but it seems something changed regarding tso or checksum in the netfront code or even elsewhere, I honestly have no idea, but I found a very > similar issue on windows guests running on netbsd hosts cause the PV drivers were assuming features the netbsd backend doesn't have. > > My theory is freebsd 10 as a similar issue, in my findings disabling tso/checksum stops the panic but I still had no network. > > Anyway if interested I guess all info is in the PR. > > I do hope this gets attention and maybe someone has the knowledge/time to fix it. > > On May 28, 2015 5:03:56 AM GMT+01:00, Dean Anderson <dean@av8.net> wrote: > > Yes. Is that a known problem? > On Thu, 28 May 2015, Miguel Clara wrote: > > Is this on a NetBSD dom0? > > > On May 28, 2015 4:52:56 AM GMT+01:00, Dean Anderson <dean@av8.net> wrote: > > The 10.1 distribution, fresh install, immediately panics on any ssh/scp > in or out. It was running as an hvm under Xen 4.2.5. > I'd send you more but its too hard to get a dump from the system, and it > appears pretty easy to reproduce. Good luck. > --Dean > ________________________________________________________________________________________________________________________________________________________________________________________________________ > freebsd-xen@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-xen > To unsubscribe, send any mail to "freebsd-xen-unsubscribe@freebsd.org" > > > -- > Sent from my Android device with K-9 Mail. > Please > excuse my brevity. > > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity. >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?C4A38CD3-ABF8-4ECC-9BB9-F6C204D76332>