Date: Wed, 25 Jul 2018 21:47:06 -0700 From: "R. Tyler Croy" <tyler@monkeypox.org> To: Michael Butler <imb@protected-networks.net> Cc: tech-lists <tech-lists@zyxst.net>, freebsd-current@freebsd.org Subject: Re: em0 link fail Message-ID: <20180726044705.GB5081@grape.lasagna.io> In-Reply-To: <bbfba7da-3f62-17d0-3846-b08f398aac30@protected-networks.net> References: <739ef71a-f29f-68ea-955a-fb53c57960a6@protected-networks.net> <c077fa70-e213-7229-1c19-2509f5db191b@freebsd.org> <8e2bf594-6d7e-477e-836b-4cc4483cb525@protected-networks.net> <64e462dd-16fc-b57f-7bf2-02068d0e24c8@zyxst.net> <7a4607ce-e212-5cba-bc04-1d0abf1a7824@protected-networks.net> <bbfba7da-3f62-17d0-3846-b08f398aac30@protected-networks.net>
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[-- Attachment #1 --] (replies inline) On Sun, 15 Jul 2018, Michael Butler wrote: > On 07/05/18 09:54, I wrote: > > On 07/05/18 09:27, tech-lists wrote: > >> On 03/07/2018 19:47, Michael Butler wrote: > >>> That would've been .. > >>> > >>> Jun 1 09:56:15 toshi kernel: FreeBSD 12.0-CURRENT #35 r334484: Fri Jun > >>> 1 08:25:58 EDT 2018 > >>> > >>> I'm going to build one with SVN r334862 reverted to see if that works, > >> > >> Hi, > >> > >> Is it working now? Am asking because a system I'd like to take from > >> 11-stable to 12 uses the em driver. > > > > No :-( I haven't had the chance yet to revisit it, > > As it turns out, SVN r336313 (committed today) solves the issue I was > having with the hardware stalling, Just to add a bit more metadata to this thread, I've seen this exact same behavior for a few months now! I've recently rebuilt to r336294 which still exhibited the problem, with periodic logs such as these: Jul 26 04:09:53 strawberry kernel: em1: Watchdog timeout Queue[0]-- resetting Jul 26 04:09:53 strawberry kernel: Interface is RUNNING and ACTIVE Jul 26 04:09:53 strawberry kernel: em1: TX Queue 0 ------ Jul 26 04:09:53 strawberry kernel: em1: hw tdh = 524, hw tdt = 544 Jul 26 04:09:53 strawberry kernel: em1: Tx Queue Status = -2147483648 Jul 26 04:09:53 strawberry kernel: em1: TX descriptors avail = 1004 Jul 26 04:09:53 strawberry kernel: em1: Tx Descriptors avail failure = 0 Jul 26 04:09:53 strawberry kernel: em1: RX Queue 0 ------ Jul 26 04:09:53 strawberry kernel: em1: hw rdh = 172, hw rdt = 170 Jul 26 04:09:53 strawberry kernel: em1: RX discarded packets = 0 Jul 26 04:09:53 strawberry kernel: em1: RX Next to Check = 171 Jul 26 04:09:53 strawberry kernel: em1: RX Next to Refresh = 170 Jul 26 04:09:53 strawberry kernel: em1: link state changed to DOWN Jul 26 04:09:54 strawberry kernel: em1: link state changed to UP Jul 26 04:10:20 strawberry kernel: em1: Watchdog timeout Queue[0]-- resetting Jul 26 04:10:20 strawberry kernel: Interface is RUNNING and ACTIVE Jul 26 04:10:20 strawberry kernel: em1: TX Queue 0 ------ Jul 26 04:10:20 strawberry kernel: em1: hw tdh = 0, hw tdt = 358 Jul 26 04:10:20 strawberry kernel: em1: Tx Queue Status = -2147483648 Jul 26 04:10:20 strawberry kernel: em1: TX descriptors avail = 666 Jul 26 04:10:20 strawberry kernel: em1: Tx Descriptors avail failure = 0 Jul 26 04:10:20 strawberry kernel: em1: RX Queue 0 ------ Jul 26 04:10:20 strawberry kernel: em1: hw rdh = 0, hw rdt = 1023 Jul 26 04:10:20 strawberry kernel: em1: RX discarded packets = 0 Jul 26 04:10:20 strawberry kernel: em1: RX Next to Check = 0 Jul 26 04:10:20 strawberry kernel: em1: RX Next to Refresh = 1023 Jul 26 04:10:20 strawberry kernel: em1: link state changed to DOWN I'll give r336313 a try as soon as possible and corroborate the fixes! Cheers, R Tyler Croy [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQSQYoZaRujHSSvxiNcUJsfcP1HhbwUCW1lSRQAKCRAUJsfcP1Hh bzIpAKCnryspKEsRIRn5Oe6OulyJevykWACgptdnvoU+MYHVWpIz5RTjoRA2GAk= =GIlg -----END PGP SIGNATURE-----
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