Re: if_re losinbg ability to communicate, even with latest patches

On Thu, Feb 28, 2008, Pete French wrote:

yesterday I had my first experience of an if_re interface simply stopping
responding. I ma running 7.0-RELEASE on the machine, but with
the lates files taken from here:

http://people.freebsd.org/~yongari/re/7.0R/if_re.c
http://people.freebsd.org/~yongari/re/7.0R/if_rlreg.h

Just wondering whether you disabled any hardware offloadings. I'm
running a RELENG_7/amd64 as of 2008-Feb-22 with the re(4) driver from
the URLs above. As a precaution, I disabled all kinds of hardware
offloadings.

| # grep ^ifconfig_re.= /etc/rc.conf
| ifconfig_re0="inet x.x.x.x netmask 255.255.255.224 media auto -rxcsum -txcsum -tso -lro -vlanhwtag"

| # ifconfig re0
| re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
| options=88<VLAN_MTU,VLAN_HWCSUM>
| ether 00:1d:92:x:x:x
| inet6 fe80::21d:92ff:fexx:xxxx%re0 prefixlen 64 scopeid 0x1
| inet x.x.x.x netmask 0xffffffe0 broadcast 78.46.41.63
| inet x.x.x.x netmask 0xfffffff8 broadcast 78.47.124.7
| inet x.x.x.x netmask 0xfffffff8 broadcast 78.47.124.7
| inet x.x.x.x netmask 0xfffffff8 broadcast 78.47.124.7
| inet x.x.x.x netmask 0xfffffff8 broadcast 78.47.124.7
| inet x.x.x.x netmask 0xfffffff8 broadcast 78.47.124.7
| inet x.x.x.x netmask 0xfffffff8 broadcast 78.47.124.7
| media: Ethernet autoselect (100baseTX <full-duplex>)
| status: active

| # pciconf -lv
[...]
| re0@pci0:2:0:0: class=0x020000 card=0x368c1462 chip=0x816810ec rev=0x01 hdr=0x00
| vendor = 'Realtek Semiconductor'
| device = 'RTL8168/8111 PCI-E Gigabit Ethernet NIC'
| class = network
| subclass = ethernet
[...]

After almost one week uptime, the machine is still stable. Before it
started lossing packets after very few hours uptime. I'm wondering if
this is related to the options I disabled, so I'm interested in your
settings.

-cs

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