[Bug 188621] Re: Conflict between Ndiswrapper and ssb

Adam Williamson awilliamson at mandriva.com
Wed Feb 20 20:08:13 UTC 2008

*** This bug is a duplicate of bug 182716 ***

Hi all. We have this same issue on Mandriva (I'm encountering it on my
personal system and trying to figure it out; I'm not a kernel hacker,
just bashing away as best I can).

I have half of it figured out.

ssb is being loaded because ohci_hcd is being loaded. ohci_hcd has a
dependency on ssb as long as the kernel build has:


so a quick fix would probably be to disable that option.

However, what I can't figure out is why ohci_hcd is being loaded at all.
On my system, it is not listed in any modprobe configuration file, and I
have verified with lspci -k that no hardware in my system is considered
by the kernel to be supported by ohci_hcd. I also checked manually that
none of my hardware has a modalias matching the modalias'es associated
with ohci_hcd , according to modinfo ohci_hcd . And to do the obvious
test - all my USB ports and hardware still work with ohci_hcd not loaded
at all.

So I really cannot figure out what is causing ohci_hcd to be loaded on
my system. It would seem to be something in the upstream kernel /
modprobe stuff, if the problem occurs in both Mandriva and Ubuntu.

Others have reported that blacklisting ohci_hcd has no effect. This
would make sense given my tests above, but I haven't tested this
specifically on my system yet. I will do the next time I reboot.

Conflict between Ndiswrapper and ssb
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