Date: Fri, 13 Aug 2010 12:45:29 -0700 From: Pyun YongHyeon <pyunyh@gmail.com> To: "Sergey V. Dyatko" <sergey.dyatko@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: if_alc trouble Message-ID: <20100813194529.GB25752@michelle.cdnetworks.com> In-Reply-To: <20100813102206.1756fbe9@gmail.com> References: <20100813102206.1756fbe9@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Aug 13, 2010 at 10:22:06AM +0300, Sergey V. Dyatko wrote: > Hi all, > I have strange problem: > > NIC: > alc0@pci0:2:0:0: class=0x020000 card=0x38a317aa chip=0x10621969 > rev=0xc0 hdr=0x00 vendor = 'Attansic (Now owned by Atheros)' > device = 'Atheros AR8132 PCI-E Fast Ethernet Controller > (AR8132)' class = network > subclass = ethernet > > % uname -a > FreeBSD laptop.minsk.domain 9.0-CURRENT FreeBSD 9.0-CURRENT #8 r209973: > Tue Jul 13 10:17:08 EEST 2010 > root@laptop.minsk.domain:/usr/obj/usr/src/sys/b450 i386 > > I'm using if_alc as a kernel module, when I boot with plugged in > cable all works fine, but when I booting with unplugged > cable - network doesn't work. > > I'm trying kenv hw.alc.msi_disable=1 and kldload if_alc.. > from messages: > > Aug 13 09:06:12 laptop kernel: alc0: <Atheros AR8132 PCIe Fast > Ethernet> port 0x3000-0x307f mem 0x96100000-0x9613ffff ir q 16 at > Ethernet> device 0.0 on pci2 > Aug 13 09:06:12 laptop kernel: alc0: 15872 Tx FIFO, 15360 Rx FIFO > Aug 13 09:06:12 laptop kernel: miibus0: <MII bus> on alc0 > Aug 13 09:06:12 laptop kernel: atphy0: <Atheros F1 10/100/1000 PHY> PHY > 0 on miibus0 Aug 13 09:06:12 laptop kernel: atphy0: 10baseT, > 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto Aug 13 09:06:12 laptop > kernel: alc0: Ethernet address: 00:1f:16:2e:fa:49 Aug 13 09:06:12 > laptop kernel: alc0: [FILTER] Aug 13 09:06:12 laptop kernel: alc0: link > state changed to DOWN Aug 13 09:06:15 laptop kernel: alc0: link state > changed to UP Aug 13 09:06:15 laptop kernel: alc0: DMA write error! -- > resetting Aug 13 09:06:15 laptop kernel: alc0: link state changed to > DOWN Aug 13 09:06:16 laptop kernel: alc0: promiscuous mode enabled > Aug 13 09:06:17 laptop kernel: alc0: link state changed to UP > Aug 13 09:06:18 laptop kernel: alc0: DMA write error! -- resetting > Aug 13 09:06:18 laptop kernel: alc0: link state changed to DOWN > Aug 13 09:06:20 laptop kernel: alc0: link state changed to UP > Aug 13 09:06:21 laptop kernel: alc0: DMA write error! -- resetting > > > how to repeat: > 1) boot with unplugged cable (if_alc_load="YES" on loader.conf) > 2) plug-in cable > 3) dhclient alc0 > 4) tcpdump -ni alc0 -vvv -> http://tiger.ipfw.ru/files/tcpdump.txt > 5) reboot with plugged cable.. > 6) dhclient alc0 > .... > [tiger@laptop]~%ifconfig alc0 > alc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu > 1500 > options=c3198<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MCAST,WOL_MAGIC,VLAN_HWTSO,LINKSTATE> > ether 00:1f:16:2e:fa:49 inet 192.168.9.150 netmask 0xffffff00 broadcast > 192.168.9.255 media: Ethernet autoselect (100baseTX <full-duplex>) > status: active > > now I can unplug cable, unload if_alc, load it again, plug cable -- all > works fine.. > I'm working on it but I was not able to reproduce the issue on my AR8131/AR8132/AR8151/AR8152 sample boards. However it seems AR8132 is the only controller that shows this issue and I vaguely remember a couple of users reported the issue. I'll update PR 148772 if I manage to find some clue.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20100813194529.GB25752>