For me the whole problem appears to be an IRQ problem because I noticed
that:
- disabling the other network card helped
- using the graphics card & network at the same time made it worse: i.e: play
video in firefox
- Windows XP Home has strikingly similar symptoms
I can't remember I ever had a problem since I switched from Ubuntu
Studio Feisty i386 to Ubuntu Studio Gutsy x86_64 so maybe it is now
solved.
Linux ****** 2.6.22-14-rt #1 SMP PREEMPT RT Sun Oct 14 22:53:32 GMT 2007
x86_64 GNU/Linux
CPU0
0: 364 IO-APIC-edge timer
1: 44726 IO-APIC-edge i8042
6: 2 IO-APIC-edge floppy
7: 0 IO-APIC-edge parport0
8: 0 IO-APIC-edge rtc
9: 0 IO-APIC-fasteoi acpi
14: 1554265 IO-APIC-edge ide0
16: 8106765 IO-APIC-fasteoi eth0, nvidia
19: 3 IO-APIC-fasteoi ohci1394
20: 689244 IO-APIC-fasteoi sata_nv
21: 13 IO-APIC-fasteoi ohci_hcd:usb3
22: 48440513 IO-APIC-fasteoi ohci_hcd:usb2, NVidia CK8S
23: 336645 IO-APIC-fasteoi ehci_hcd:usb1, sata_nv
NMI: 0
LOC: 180847496
ERR: 0
--
3com NIC stops working after some time
https://bugs.launchpad.net/bugs/109629
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Bugs, which is the bug contact for Ubuntu.
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