Date: Tue, 3 May 2016 15:23:50 -0700 From: "K. Macy" <kmacy@freebsd.org> To: Miguel C <miguelmclara@gmail.com> Cc: Stephen Jones <StephenJo@livingcomputermuseum.org>, "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org> Subject: Re: xn ethernet issues as DOMU under NetBSD DOM0 Message-ID: <CAHM0Q_MO_pFSnLYtmikxL1qWOETO4avd0%2BaOEn%2B7=nZTT3_tuw@mail.gmail.com> In-Reply-To: <CADGo8CXsWJ%2B9AroeOXvruWLiuLiAUd%2BPu687Vp=g789EJtDFPw@mail.gmail.com> References: <C4D720DD281F6740AC917B82741E9AD2AB27BC39@505MBX1.corp.vnw.com> <20160503072441.qgqgaw52sijybg4a@mac> <C4D720DD281F6740AC917B82741E9AD2AB27C045@505MBX1.corp.vnw.com> <20160503093211.hkmbbqr6t2fbxqqa@mac> <C4D720DD281F6740AC917B82741E9AD2AB27C2AA@505MBX1.corp.vnw.com> <CAHM0Q_NefH4zbtRY8MB5_90r=FCZAmki=riogNbktxyzSzLXFw@mail.gmail.com> <C4D720DD281F6740AC917B82741E9AD2AB27C323@505MBX1.corp.vnw.com> <CADGo8CXsWJ%2B9AroeOXvruWLiuLiAUd%2BPu687Vp=g789EJtDFPw@mail.gmail.com>
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On Tue, May 3, 2016 at 3:11 PM, Miguel C <miguelmclara@gmail.com> wrote: > This was reported by me and others a few times its was actually fixed in > some 10.0 (current build at the time) but we could never track it, however > it always seemed related to tso, netbsd backhend (as I was told back then) > doesn't support at least tso, and In fact I had the same issue with Windwos > Guests but the PV drivers dev fixed it (and it was indeed related to this) That would explain it. If the Linux backend supports TSO, then netfront will of course advertise TSO. And presumably there's no way to query the netback, since Xen is linux-centric. Assuming you haven't already I would disable TSO. Or have you already tried that? -M > Anway I am just typing as I remember but I the were PRs about this I can't > look them up right now but I could later in the week or maybe someone else > can...
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