Date: Fri, 31 Aug 2018 00:44:43 +0200 From: Marius Halden <marius.h@lden.org> To: Navdeep Parhar <np@FreeBSD.org>, freebsd-net@freebsd.org Subject: Re: cxl nic not working after reboot Message-ID: <1535669083.3143114.1491917856.4E6CB55F@webmail.messagingengine.com> In-Reply-To: <1abe3063-3a2f-2eac-2246-f8dea30867e5@FreeBSD.org> References: <1535379569.2132387.1487489784.45227861@webmail.messagingengine.com> <20180827151302.GA10167@ox> <1535395530.234212.1487804896.64257978@webmail.messagingengine.com> <1535448912.3229649.1488521184.1EE83C33@webmail.messagingengine.com> <20180829062843.GA25476@ox> <1535538153.459716.1489861176.29777B66@webmail.messagingengine.com> <1535628110.3034153.1491191792.12397BCF@webmail.messagingengine.com> <8bb881ef-a701-1c94-3598-79a2724fa648@FreeBSD.org> <1535665888.3128528.1491873424.5CEF9F3A@webmail.messagingengine.com> <ba998b8e-d54c-667d-b0bb-8a6b7a566f05@FreeBSD.org> <1abe3063-3a2f-2eac-2246-f8dea30867e5@FreeBSD.org>
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On Fri, Aug 31, 2018, at 00:35, Navdeep Parhar wrote: > On 8/30/18 3:14 PM, Navdeep Parhar wrote: > > On 8/30/18 2:51 PM, Marius Halden wrote: > >> On Thu, Aug 30, 2018, at 19:27, Navdeep Parhar wrote: > >>> On 8/30/18 4:21 AM, Marius Halden wrote: > >>>> I tried to downgrade to a the previous bsdrp version we were running= based on 11.1-RELEASE-p10, but it did not start working again. ifconfig ou= tput and t5nex0 devlog follows (non-working state), but it all looks fine t= o me (media has always been reported wrong). I did notice though that "hw_m= ac_init_port[0], =E2=80=A6" will always be logged when it works but not whe= n when it doesn't work. I confirmed this on a box still running the old ver= sion which functions as intended. > >>>> > >>>> The ones not working has a newer firmware version than the ones work= ing. > >>>> > >>>> Non-working: > >>>> # sysctl dev.t5nex.0.firmware_version > >>>> dev.t5nex.0.firmware_version: 1.19.1.0 > >>>> > >>>> > >>>> Working: > >>>> # sysctl dev.t5nex.0.firmware_version > >>>> dev.t5nex.0.firmware_version: 1.16.45.0 > >>>> > >>>> Any other ideas? > >>>> > >>> > >>> I'm still looking into it. The current working theory is that the pe= er > >>> is trying to autonegotiate when it shouldn't (it's 1Gbps optics). If > >>> you know how to disable AN on the peer this should be easy to test. > >> > >> Thanks. Unfortunately we don't have access to the peer as that's our I= SPs router. According to the sysctl autonegotiate is not supported on our s= ide. > >> > >=20 > > I'll get a couple of 1G optics in a day or so and then I'll be able to > > try some things for myself. Wait for that or try a 1G TWINAX (copper) > > SFP+ cable in case you have one -- that should be able to link up (if >=20 > Sorry, this won't work either. At 1G, AN is done only for -BT (RJ45) > copper cables, not for SFP+ TWINAX copper. Come to think of it, we're using CWDM optics if that is relevant. --=20 Marius Halden
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