Comment 21 for bug 1456585
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| Seth Forshee (sforshee) wrote Re: DELL XPS 13 (9343) Only wireless 5GHz works, but not 2.4GHz | #21 |
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bbfa235
(Get the code!)
This is most likely a problem with the wl driver, not the kernel. Adding a bcmwl task and marking the kernel task invalid.
It's not uncommon for dkms modules to fail to build against newer kernels. The one thing to check is that you installed the linux-headers package in addition to the linux-image package. If it still fails maybe try a 3.19 kernel. In my opinion a newer kernel is unlikely to help, but it's probably worth trying, and if it does help we can reopen the linux task.
The thing I'd suggest you check first though is what channel your AP is on. If it's not on 1-14 then you'll probably have to move it to a different channel. Otherwise if the bug is in the bcmwl driver there's may be little we can do to help since the majority of the driver is closed source.