Package Details: 8192cu-dkms v4.0.2_9000-17

Git Clone URL: (read-only)
Package Base: 8192cu-dkms
Description: Driver for Realtek RTL8188CUS (8188C, 8192C) chipset wireless cards
Upstream URL:
Licenses: GPL
Conflicts: 8192cu, dkms-8192cu, rt8192cu
Replaces: dkms-8192cu
Submitter: runnytu
Maintainer: runnytu
Last Packager: runnytu
Votes: 96
Popularity: 0.053500
First Submitted: 2014-05-07 21:01
Last Updated: 2019-07-11 19:08

Dependencies (2)

Required by (0)

Sources (3)

Latest Comments

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Mr.Elendig commented on 2016-02-08 17:41

Use the rtl8xxxu driver in the kernel instead unless you have really good reasons not to.

mrueg commented on 2016-02-07 21:31

I updated to kernel 4.4 (specifically linux-4.4.1-2) today and the module stopped working.
It works after downgrading to 4.3.3-2.

I also tried to uninstall it, reboot, then reinstall it as sourc7 suggested, which didn't help. What should I do to get more information on what went wrong?

BorbMizzet commented on 2016-01-10 09:44

I'm running kernel 4.3.3-2 on an arch installation from the 1-1-2016 install iso. I installed this package due to frequent disconnects with the kernel drivers, and now I get three errors to either stdout or stderr (the same one thrice at once) either once I plug in the device or on the login terminal at boot if the device is connected. The errors go away when I uninstall the package and reappear when I reinstall the package. Also, unlike the kernel drivers, Network Manager no longer connects at boot nor will it work manually, not even sensing the SSID at all except like 1 out of 10 times when I re-plug in the dongle or boot, the errors dont appear and it works fine (noticeable improvements in connection speed when that happens though :-D). I have a TP-LINK TL-WN822N rev.3. Here is what happens when I boot. The errors also appear if I plug in the device post-login:

[Terminal Text]
Arch Linux 4.3.3-2-ARCH (tty1)

My-PC login: [ 4.044568] xhci_hcd 0000:05:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13
[ 4.109525] xhci_hcd 0000:05:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13
[ 4.113901] xhci_hcd 0000:05:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13
[/Terminal Text]

any ideas?

mehine2 commented on 2016-01-04 18:15

Tnx. Works now.

sourc7 commented on 2016-01-04 13:30

@mehine2 Look like it's dkms issue, so you can remove the 8192cu-dkms, reboot, install the latest version of GNU/Linux kernel, and/or re-install the 8192cu-dkms.
You need to do it after you upgraded the GNU/Linux kernel (remove the 8192cu-dkms -> reboot -> re-install the 8192cu-dkms) or use DKMS to automatically load the modules after kernel upgrade.

mehine2 commented on 2016-01-03 14:11

Worked fine with linux 4.2.5. but after I install 4.3.3 didn't see the dongle. Downgrade fix. Still would like to see it work with latest linux. tnx

sourc7 commented on 2015-11-08 08:59

This driver is stable, but I got lowest average "5ms" ping with very high signal (100%), with Linux 4.3.0-1-ARCH mainline driver the lowest average "1ms" ping.

mariusz84 commented on 2015-09-19 21:51

@pmattern I had similar issue. Interesting thing is that I have two usb tongles with the same 8188cus chipset. One is working without problem, but second one had problem exactly as you described. Just like you I tried few dkms drivers without success. Ended up with switching to wpa and tkip in my router. Now both dongles works. I know that this is just workaround, but works.

pmattern commented on 2015-09-16 17:16

Running the module provided by this package on a device featuring chipset RTL8188CUS (Edimax EW-7811Un) just gave me "nl80211: Driver does not support authentication/association or connect commands" here when wpa_supplicant was launched. Running the patched version from installed as depicted on the homepage it was the same except the message was preceded by another one "Could not read interface wlan flags: No such device".
Actually this looks as if that elderly Realtek driver wouldn't play with this chipset and/or kernel 4.1.6 any longer. But I was wondering whether you eventually know something that can be done to get the module running nevertheless.
(Module rtl8192cu from mainline was basically working but way too unstable.)

Aldebaran commented on 2015-08-16 09:43

Thanks dude !