https://bugzilla.novell.com/show_bug.cgi?id=403346
User stefan.neis@kobil.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=403346#c32
Stefan Neis changed:
What |Removed |Added
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Status|NEEDINFO |ASSIGNED
Info Provider|stefan.neis@kobil.com |
--- Comment #32 from Stefan Neis 2008-07-15 06:05:06 MDT ---
Yes, after unloading ehci_hcd, not only the simplified test program, but even
the real application works - although, (of course) very slow. BTW, we've
collected some more data, using another machine as well:
On the first machine, we get the initially described complete hang with kernel
2.6.25.9. With kernel 2.6.26, the USB-2.0 extension card apparently isn't even
found, nothing that's connected to it, will work (but that way, we at least
don't get that nasty hang).
On the second machine, the behaviour is a bit more friendly: With 2.6.25.9 the
application hangs (and can't even be killed), but the machine isn't completely
dead, i.e. you can switch to a different virtual console, but typically that
console will hang as well as soon as you try to execute a command. With 2.6.26,
ehci_hcd still says "HC died; cleaning up" and our application dies, but the
machine fully recovers from that problem, i.e. you can at least continue to
work with other applications.
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