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Re: FW: 0bda:819a RTL8188CUS WLAN doesn't work out of the box in downstream and upstreamkernel

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On 02/05/2013 03:28 PM, Xose Vazquez Perez wrote:
On 02/05/2013 09:23 PM, Larry Finger wrote:

What difference does it make what chip it has? It is obviously some flavor of RTL8188CU/RTL8192CU that is different enough that it does not work with the kernel version of rtl8192cu. A few months ago,
I ran across a new B-CUT RTL8188CE that took new programming for rtl8192ce, and I suspect this device also has the B-CUT chip.

The crash on unloading is a known fault of the vendor driver. It happens with devices that work OK with the standard rtl8192cu. I have no desire to find out what causes the crash.

We were trying to know, loading the
_realtek_ driver, the chip of the device.

*Because*, as Thomas said before, doing:
# echo "0bda 819a" > /sys/bus/usb/drivers/rtl8192cu/new_id
with the rtl8192cu _kernel driver_
He got a _panic of the system_ .

This is a severe bug in rtlwifi.

Yes, but not a bug for the devices that it is supposed to support! No one ever says that their driver will support *future* devices! As I said earlier, there are newer versions of the RTL8188C chip that requires different programming, which may be the cause of the problem. On the other hand, the chip change did not cause a crash in rtl8192ce. I just didn't work very well. As I have no such device, I cannot test any changes; therefore, I will not make them. If you want to write patches that let that device work with the kernel driver, I will be happy to review them.

Larry

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