Date: Tue, 30 Mar 2021 09:56:33 +0300 From: =?UTF-8?B?w5Z6a2FuIEtJUklL?= <ozkan.kirik@gmail.com> To: Vincenzo Maffione <vmaffione@freebsd.org> Cc: FreeBSD Net <freebsd-net@freebsd.org>, krzysztof.galazka@intel.com, gowtham.kumar.ks@intel.com, erj@freebsd.org, jeffrey.e.pieper@intel.com Subject: Re: ixl netmap TX queue remains full Message-ID: <CAAcX-AHypqKdKA0n%2BUEBt_HpeduNTeyD=VAyeC%2BzuSrH7yM-XQ@mail.gmail.com> In-Reply-To: <CA%2B_eA9hV2k1mExm9fttbRey53vEvOtk%2BCgHX9ancsJ%2BJu10Miw@mail.gmail.com> References: <CAAcX-AE5%2B8v4YWix1pUxedY0aYgpoHL5G9_oUqTXRoS_prNVNQ@mail.gmail.com> <CA%2B_eA9hV2k1mExm9fttbRey53vEvOtk%2BCgHX9ancsJ%2BJu10Miw@mail.gmail.com>
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Hello Vincenzo, Before your email, hw.ixl.enable_head_writeback =3D 1. After your suggestio= n, i set the hw.ixl.enable_head_writeback =3D 0. then it works properly. Thank you so much Cheers =C3=96zkan On Tue, Mar 30, 2021 at 9:22 AM Vincenzo Maffione <vmaffione@freebsd.org> wrote: > Hi, > Could this be related to > https://reviews.freebsd.org/D26896? > > Moreover, what happens if you switch the enable_head_writeback sysctl? > > Cheers, > Vincenzo > > Il giorno lun 29 mar 2021 alle ore 10:36 =C3=96zkan KIRIK < > ozkan.kirik@gmail.com> ha scritto: > >> Hello, >> >> I hit problems about ixl driver's netmap support. I have no problems wit= h >> ixgbe. >> The problem is tested with FreeBSD 12.2-p5 and FreeBSD 13.0-RC3. >> >> ixl in netmap mode, it works with low throughput (about 2 Gbps) for 20-3= 0 >> seconds. And then TX queue remains full. poll with POLLOUT and even >> ioctl(fd, NIOCTXSYNC) does not work. So that nic stops working. >> >> Same netmap software with ixgbe has no problems. >> >> pciconf -lv output: >> ixl0@pci0:183:0:0: class=3D0x020000 card=3D0x37d215d9 chip=3D0x37d28086 >> rev=3D0x04 >> hdr=3D0x00 >> vendor =3D 'Intel Corporation' >> device =3D 'Ethernet Connection X722 for 10GBASE-T' >> class =3D network >> subclass =3D ethernet >> ixl1@pci0:183:0:1: class=3D0x020000 card=3D0x37d215d9 chip=3D0x37d28086 >> rev=3D0x04 >> hdr=3D0x00 >> vendor =3D 'Intel Corporation' >> device =3D 'Ethernet Connection X722 for 10GBASE-T' >> class =3D network >> subclass =3D ethernet >> ixl2@pci0:183:0:2: class=3D0x020000 card=3D0x37d015d9 chip=3D0x37d08086 >> rev=3D0x04 >> hdr=3D0x00 >> vendor =3D 'Intel Corporation' >> device =3D 'Ethernet Connection X722 for 10GbE SFP+' >> class =3D network >> subclass =3D ethernet >> ixl3@pci0:183:0:3: class=3D0x020000 card=3D0x37d015d9 chip=3D0x37d08086 >> rev=3D0x04 >> hdr=3D0x00 >> vendor =3D 'Intel Corporation' >> device =3D 'Ethernet Connection X722 for 10GbE SFP+' >> class =3D network >> subclass =3D ethernet >> >> Best regards >> _______________________________________________ >> 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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