I have a CentOS 5.8 box that is dropping packets (just from ping). The network is 8139 RTL-8139/8139C/8139C+ Rev 10 Adding the parameters "pci=noacpi acpi=off " has helped but it still happens. Is there something else that helps the network not drop packets? Thanks, jerry
On Sat, Oct 27, 2012 at 04:40:42PM -0400, Jerry Geis wrote:> I have a CentOS 5.8 box that is dropping packets (just from ping). > The network is 8139 RTL-8139/8139C/8139C+ Rev 10 > > Adding the parameters "pci=noacpi acpi=off " > has helped but it still happens. > > Is there something else that helps the network not drop packets?This probably won't be helpful, but whenever someone inquires about trouble with a Realtek network chipset someone ALWAYS responds that Realtek network hardware is junk and that you should replace it with something good, such as an intel e100 or e1000 or some such. Me, I've never had trouble with a realtek card, myself. -- ---- Fred Smith -- fredex at fcshome.stoneham.ma.us ----------------------------- "For him who is able to keep you from falling and to present you before his glorious presence without fault and with great joy--to the only God our Savior be glory, majesty, power and authority, through Jesus Christ our Lord, before all ages, now and forevermore! Amen." ----------------------------- Jude 1:24,25 (niv) -----------------------------
> > This probably won't be helpful, but whenever someone inquires about > trouble with a Realtek network chipset someone ALWAYS responds that > Realtek network hardware is junk and that you should replace it > with something good, such as an intel e100 or e1000 or some such. > > Me, I've never had trouble with a realtek card, myself. >Fred - thanks - but not an option in this case. Its built in and no slots available. jerry
Is there any chances you can send in the stats of the interface? Just show if the driver says why it's being dropped. ------------ Banyan He Blog: http://www.rootong.com Email: banyan at rootong.com On 2012-10-28 4:40 AM, Jerry Geis wrote:> I have a CentOS 5.8 box that is dropping packets (just from ping). > The network is 8139 RTL-8139/8139C/8139C+ Rev 10 > > Adding the parameters "pci=noacpi acpi=off " > has helped but it still happens. > > Is there something else that helps the network not drop packets? > > Thanks, > > jerry > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >
On Sat, 27 Oct 2012, Jerry Geis wrote:> I have a CentOS 5.8 box that is dropping packets (just from ping). > The network is 8139 RTL-8139/8139C/8139C+ Rev 10 > > Adding the parameters "pci=noacpi acpi=off " > has helped but it still happens. > > Is there something else that helps the network not drop packets?Upgrade to Centos 6. I have approx 20 jetway mini-itx boxes with a built in 8139. I recently had all but 2 experience large packet loss problems. Some of them were happily running C-5 for over 2 years. Upgrading them to C-6 solved it but I do not know why. I too would really like to understand what is going on here. In addition, I would like to know why I still have 2 boxes that are happily running c-5. I suspect that this is some kind of driver issue but I even tried upgrading the drivers using those supplied by EL-Repo. The only thing that improved the situation was upgrading to C-6. FWIW, I use them as router/firewalls. They have a 3 port daughter board for a total of 4 Ethernet ports on them that I have recently switched to using an Intel based chipset just as a precaution. HTH, -- Tom me at tdiehl.org Spamtrap address me123 at tdiehl.org
Check your duplex. I have had two recent problems with duplex: One, with a Cisco router - it auto-negotiated every time to half duplex, even though it really -was- full. Use mii-tool to find out. Two, with a RR modem - the speed was forced to 10mb half duplex instead of 100mb full duplex. All sorts of strange loss. Once I put it back, all was well. I have used TONs of 8139s, and while I do see where they are not the fastest kid on the block, I cannot say I've seen packet loss. Bob