Daryl Herzmann wrote: > Good evening, > > Over the past few years, I have been developing a python library to > communicate (via http) with internet accessible webcameras from Canon. > Anyway, with my migration to rhel5 (from el3...el4) I have had problems > communicating with some of these cameras from el5 clients (python > urllib2 and firefox). Strangely, a basic telnet connection to port 80 > works :/ > > The symptom is from the connection to just hang there. So I fired up > wireshark and noticed that it said this when my client sends the HTTP > command: > > checksum incorrect (maybe cased by TCP checksum offload) > > and then a series of TCP Previous segment lost, Dup ACK 8 and other > stuff I don't understand :) > > I take my same python code or firefox and go to rhel4 and it works just > fine. I also fired up windows xp in my vmware vm on rhel5 and it works > there (don't hate me!). I also have many other systems and invariably, > it fails on rhel5 and works on rhel4 to some of these webcams. > > Anybody have any ideas what to try next or what could be wrong? Of the > 30 webcams I test against, it is often failing for 6 of them.
Try doing.... ethtool -K <interface> rx off tx off and see if that makes a difference. Ed _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
