Date: Thu, 19 Dec 2013 09:19:50 +0100 From: =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com> To: Mike C. <miguelmclara@gmail.com>, <freebsd-xen@freebsd.org> Subject: Re: Panic with FreeBSD 10 RC2 on Netbsd Xen dom0 Message-ID: <52B2AC26.2020301@citrix.com> In-Reply-To: <52B24E18.7090109@gmail.com> References: <20131218001615.GA10501@moore.morphism.de> <FD2319E7-8703-46A8-91A7-AAD491AC56FA@gmail.com> <52B24E18.7090109@gmail.com>
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On 19/12/13 02:38, Mike C. wrote: > I've reported this to xen-devel I while ago. > > > It worked in the first FreeBSD-10 current releases but them it stoped, I > believe a previous issue was re-introduced somehow! > > NetBSD Xen backend does not support TSO/GSO at all, there was a very > similar problem in FreeBSD 9 a while a go, and my guess is that the code > tried to use TSO again, and leads to problems if the Dom0 is NetBSD. > > > Also more recently I had problems with Windows GPLPV drivers, and the > dev tracked the issue to the same.. however in windows DomU's if I > disabled TSO it would work. > In FreeBSD at least until Aplha 5, I tried to disable TSO but it still > wouldn't work. By looking at relevant commits in netfront, could you try to revert r251297 and see if that solves the problem? Also, doing a bisect of the commits in netfront would be very helpful in order to identify the issue. Roger.
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