Date: Sun, 06 Apr 2014 18:26:59 +0200 From: Frank Volf <frank@deze.org> To: freebsd-net@freebsd.org Cc: marius@freebsd.org, yongari@freebsd.org Subject: re0: watchdog timeout Message-ID: <53418053.5020105@deze.org>
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Hello, I'm experiencing watchdog timeouts with my Realtek interface card. I'm using a fairly new system (Shuttle DS47), running FreeBSD 10-STABLE. For this shuttle a patch has been recently committed to SVN to make this card work at all (revision *262391* <http://svnweb.freebsd.org/base?view=revision&revision=262391>). The timeout is only experienced under heavy network load (the system is running a bacula backup server that backups to NFS connected storage), and typically large full backups trigger this. Normal traffic works fine (this system is e.g. also my firewall to the Internet). What might not be standard is that I use sub-interfaces on this system. First of all, the only way that I can get the sub-interfaces to work at all is by using ifconfig_re0="-vlanhwtag" I'm not sure that is related. The question is how can we debug this to solve the problem? I have non clue, but I'm happy to assist if somebody can tell me what I should do. Some information that might be useful: root@drawbridge:/usr/local/etc/bacula # dmesg | grep re0 re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port 0xd000-0xd0ff mem 0xf7a00000-0xf7a00fff,0xf0100000-0xf0103fff irq 17 at device 0.0 on pci2 re0: Using 1 MSI-X message re0: ASPM disabled re0: Chip rev. 0x4c000000 re0: MAC rev. 0x00000000 miibus0: <MII bus> on re0 re0: Ethernet address: 80:ee:73:77:e9:ab re0: watchdog timeout re0: link state changed to DOWN re0.98: link state changed to DOWN re0.10: link state changed to DOWN re0.11: link state changed to DOWN re0.12: link state changed to DOWN re0: link state changed to UP re0.98: link state changed to UP re0.10: link state changed to UP re0.11: link state changed to UP re0.12: link state changed to UP ... root@drawbridge:/usr/local/etc/bacula # uname -a FreeBSD drawbridge.internal.deze.org 10.0-STABLE FreeBSD 10.0-STABLE #0 r262433: Mon Feb 24 16:25:35 CET 2014 root@drawbridge-new.internal.deze.org:/usr/obj/usr/sources/src10-stable/sys/SHUTTLE i386 root@drawbridge:/usr/local/etc/bacula # pciconf -lv re0 re0@pci0:2:0:0: class=0x020000 card=0x40181297 chip=0x816810ec rev=0x0c hdr=0x00 vendor = 'Realtek Semiconductor Co., Ltd.' device = 'RTL8111/8168B PCI Express Gigabit Ethernet controller' class = network subclass = ethernet Kind regards, Frank
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