[Bug 60824] [PATCH][regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable

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https://bugzilla.kernel.org/show_bug.cgi?id=60824

--- Comment #123 from Swyter (swyterzone@xxxxxxxxx) ---
Looks like the last two are fake CSR (i.e. the interesting ones), but because
they don't initialize properly we can't actually see HCI/LMP/Manufacturer stuff
we are interested in.

Sounds like a packet capture is the only way of finding these values. So please
use `btmon -w my.log` (or alternatively `hcidump -X`) to capture the Bluetooth
traffic as shown in previous comments. The good thing is that they should get
stuck early on, so I don't expect a lot of traffic once you plug that in.

Search for 'Read Local Version Information' in this thread to see examples.

So yeah, if possible, please include the bcdDevice + hciconfig -a + 'Read Local
Version Information' packet in your tests. The bigger the corpus of counterfeit
dongles, the more we can extrapolate and make better workarounds that work for
everyone.

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