[Bug 455660] Re: MCP78S Chispet USB Ports Intermittent

[Shane Blackett]

I believe I have this same problem and it is worse than ever in lucid 64bit 10.04.
I'll try some mainline kernels but this bug in the kernel bugzilla is the same problem I think.
https://bugzilla.kernel.org/show_bug.cgi?id=13405
Although I have some improvement with the kernel parameters indicated in this bug
and other similar reports
noapic
or
acpi=noirq
they do not fully resolve the problem.
I think it is also made much worse when the proprietary Nvidia drivers are added, in Lucid the USB keyboard locks.
Before installing the Nvidia driver I had problems with one USB mouse and swapped to a different one and that worked.

** Bug watch added: Linux Kernel Bug Tracker #13405
   http://bugzilla.kernel.org/show_bug.cgi?id=13405

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MCP78S Chispet USB Ports Intermittent
https://bugs.launchpad.net/bugs/455660
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