Hi Özkan, I'm glad that worked. Nevertheless, there must be an issue lurking around in the ixl driver code, affecting the case enable_head_writeback==1. It may be related to the fact that https://reviews.freebsd.org/D26896 causes issues, even though it looks a legitimate change.
Cheers, Vincenzo Il giorno mar 30 mar 2021 alle ore 08:56 Özkan KIRIK <ozkan.ki...@gmail.com> ha scritto: > Hello Vincenzo, > > Before your email, hw.ixl.enable_head_writeback = 1. After your > suggestion, i set the hw.ixl.enable_head_writeback = 0. then it works > properly. > > Thank you so much > > Cheers > Özkan > > On Tue, Mar 30, 2021 at 9:22 AM Vincenzo Maffione <vmaffi...@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 Özkan KIRIK < >> ozkan.ki...@gmail.com> ha scritto: >> >>> Hello, >>> >>> I hit problems about ixl driver's netmap support. I have no problems with >>> 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 20-30 >>> 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=0x020000 card=0x37d215d9 chip=0x37d28086 >>> rev=0x04 >>> hdr=0x00 >>> vendor = 'Intel Corporation' >>> device = 'Ethernet Connection X722 for 10GBASE-T' >>> class = network >>> subclass = ethernet >>> ixl1@pci0:183:0:1: class=0x020000 card=0x37d215d9 chip=0x37d28086 >>> rev=0x04 >>> hdr=0x00 >>> vendor = 'Intel Corporation' >>> device = 'Ethernet Connection X722 for 10GBASE-T' >>> class = network >>> subclass = ethernet >>> ixl2@pci0:183:0:2: class=0x020000 card=0x37d015d9 chip=0x37d08086 >>> rev=0x04 >>> hdr=0x00 >>> vendor = 'Intel Corporation' >>> device = 'Ethernet Connection X722 for 10GbE SFP+' >>> class = network >>> subclass = ethernet >>> ixl3@pci0:183:0:3: class=0x020000 card=0x37d015d9 chip=0x37d08086 >>> rev=0x04 >>> hdr=0x00 >>> vendor = 'Intel Corporation' >>> device = 'Ethernet Connection X722 for 10GbE SFP+' >>> class = network >>> subclass = 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-unsubscr...@freebsd.org" >>> >> _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
