On Mon, 9 Feb 2009 04:59:13 +0000 (UTC) Pyun YongHyeon <yong...@freebsd.org> wrote:
> Author: yongari > Date: Mon Feb 9 04:59:13 2009 > New Revision: 188381 > URL: http://svn.freebsd.org/changeset/base/188381 > > Log: > Reclaim transmitted frames in re_tick(). This is for PCIe > controllers that lose Tx completion interrupts under certain > conditions. With this change it's safe to use MSI on PCIe > controllers so enable MSI on these controllers. > > Modified: > head/sys/dev/re/if_re.c > This does not work with my re(4). When I allow MSI it never transmits. I noticed this while booting when the sendmail startup hung. A test with ping(8) showed that there was no output (or maybe no input, hard to tell with ping). Here dmesg output when it fails: re0: <RealTek 8168/8168B/8168C/8168CP/8168D/8111B/8111C/8111CP PCIe Gigabit Ethernet> port 0xde00-0xdeff mem 0xfdaff000-0xfdafffff,0xfdae0000-0xfdaeffff irq 18 at device 0.0 on pci2 re0: Using 2 MSI messages re0: Chip rev. 0x3c000000 re0: MAC rev. 0x00400000 re0: Ethernet address: 00:1f:d0:8f:5a:43 re0: [FILTER] re0: [FILTER] re0: link state changed to UP Here dmesg output when it succeeds: re0: <RealTek 8168/8168B/8168C/8168CP/8168D/8111B/8111C/8111CP PCIe Gigabit Ethernet> port 0xde00-0xdeff mem 0xfdaff000-0xfdafffff,0xfdae0000-0xfdaeffff irq 18 at device 0.0 on pci2 re0: turning off MSI enable bit. re0: Chip rev. 0x3c000000 re0: MAC rev. 0x00400000 re0: Ethernet address: 00:1f:d0:8f:5a:43 re0: [FILTER] re0: link state changed to UP And here pciconf output: r...@pci0:2:0:0: class=0x020000 card=0xe0001458 chip=0x816810ec rev=0x02 hdr=0x00 vendor = 'Realtek Semiconductor' device = 'RTL8168/8111 PCI-E Gigabit Ethernet NIC' class = network subclass = ethernet --- Gary Jennejohn _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
