Date: Tue, 10 Nov 2020 09:35:27 +0000 From: nostalgiatbl76225@gmail.com To: freebsd-net@freebsd.org Subject: =?UTF-8?B?5LiA5aWX5Y+v5Lul55u05o6l5om+5Yiw5YWo55CD6YeH6LSt5ZWG55qE5bmz5Y+w?= Message-ID: <000000000000d909c705b3bd655a@google.com>
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NEURAL_HAM_LONG(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-net]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/>; List-Post: <mailto:freebsd-net@freebsd.org> List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=subscribe> X-List-Received-Date: Tue, 10 Nov 2020 16:02:55 -0000 We hit the bug of the watchdog firing on idle NICs and were working on merging r356310 into our tree when we noticed the problem through code inspection. I don't think that it's really a bug with r356310, just a latent one that has become exposed. On Mon, Nov 9, 2020 at 2:48 PM Eric Joyner <erj@freebsd.org> wrote: > > I'll add Piotr, the author of your linked patch, to this thread. > > Are you seeing a problem connected to the watchdog? Piotr tells me that IFLIB_QUEUE_WORKING isn't used now, but it wasn't even used before his patch. > > - Eric > > On Wed, Nov 4, 2020 at 8:47 AM Ryan Stone <rysto32@gmail.com> wrote: >> >> https://svnweb.freebsd.org/base?view=revision&revision=356310 >> >> As of r356310, there does not appear to be a way that ift_qstatus can >> be set to anything but IFLIB_QUEUE_IDLE. As a result, I don't see >> that there is any way for the watchdog to ever fire. >> >> I think that iflib has missed setting ift_qstatus to >> IFLIB_QUEUE_WORKING when packets are enqueued on the rx ring. >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
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