[ET10x00] USB Wi-FI issues with the new Kernel upgrade on 4.2.027

ccs · Feb 11, 2017

ccs said:
Ping is now 10 times faster on 4.2.030 than it was on 4.2.029.

Has anything changed?

Surely someone could offer an answer, there was a clear improvement testing 030 2 days ago.

Nothing has changed at my end, my router hasn't been rebooted for 2 weeks, so a simple yes or no would be handy.

birdman · Feb 11, 2017

ccs said:
Surely someone could offer an answer, there was a clear improvement testing 030 2 days ago.

The problem from my viewpoint, and I suspect all others, is that I'm not aware of anything changing.
So I can't say, "Yes".
But I can't be certain about that, so I can't answer, "No" either.

ccs · Feb 11, 2017

... thanks, that's all I needed to know.

When a wifi connection is established, does it negotiate speed limitations, which could vary from one connection to the next?

birdman · Feb 11, 2017

ccs said:
When a wifi connection is established, does it negotiate speed limitations, which could vary from one connection to the next?

No. It actually negotiates the speed all of the time.
But the speed wouldn't have much effect on ping times, given that ping packets are, by default, quite small.

ccs · Feb 11, 2017

birdman said:
No. It actually negotiates the speed all of the time.
But the speed wouldn't have much effect on ping times, given that ping packets are, by default, quite small.

Cheers,

The odd thing is that ping went from 2ms typically on 029 to 0.2ms on 030. And now 026 is down to 0.2ms

I'll have another try later.

Joe_90 · Feb 11, 2017

ccs said:
Cheers,

The odd thing is that ping went from 2ms typically on 029 to 0.2ms on 030. And now 026 is down to 0.2ms

I'll have another try later.

That's a very good ping on wifi - almost unreal! I just about get .2ms pings on my 1GB wired LAN connections.

ccs · Feb 11, 2017

.. this is what I'm getting on 026 at the moment, ping on a wireless pc to wireless et10k....

Code:

64 bytes from 192.168.1.101: seq=0 ttl=64 time=0.133 ms
64 bytes from 192.168.1.101: seq=1 ttl=64 time=0.186 ms
64 bytes from 192.168.1.101: seq=2 ttl=64 time=0.156 ms
64 bytes from 192.168.1.101: seq=3 ttl=64 time=0.132 ms
64 bytes from 192.168.1.101: seq=4 ttl=64 time=0.132 ms
64 bytes from 192.168.1.101: seq=5 ttl=64 time=0.129 ms
64 bytes from 192.168.1.101: seq=6 ttl=64 time=0.130 ms
64 bytes from 192.168.1.101: seq=7 ttl=64 time=0.161 ms
64 bytes from 192.168.1.101: seq=8 ttl=64 time=0.131 ms
64 bytes from 192.168.1.101: seq=9 ttl=64 time=0.130 ms
64 bytes from 192.168.1.101: seq=10 ttl=64 time=0.135 ms
64 bytes from 192.168.1.101: seq=11 ttl=64 time=0.133 ms
64 bytes from 192.168.1.101: seq=12 ttl=64 time=0.131 ms
64 bytes from 192.168.1.101: seq=13 ttl=64 time=0.154 ms
64 bytes from 192.168.1.101: seq=14 ttl=64 time=0.129 ms
64 bytes from 192.168.1.101: seq=15 ttl=64 time=0.131 ms
64 bytes from 192.168.1.101: seq=16 ttl=64 time=0.134 ms
64 bytes from 192.168.1.101: seq=17 ttl=64 time=0.134 ms
64 bytes from 192.168.1.101: seq=18 ttl=64 time=0.130 ms

Joe_90 · Feb 11, 2017

Ah ok - that's direct to/from router!

I get the following from desktop to router :

Code:

64 bytes from 192.168.0.101: icmp_seq=1 ttl=64 time=0.025 ms
64 bytes from 192.168.0.101: icmp_seq=2 ttl=64 time=0.032 ms
64 bytes from 192.168.0.101: icmp_seq=3 ttl=64 time=0.030 ms
64 bytes from 192.168.0.101: icmp_seq=4 ttl=64 time=0.020 ms
64 bytes from 192.168.0.101: icmp_seq=5 ttl=64 time=0.026 ms
64 bytes from 192.168.0.101: icmp_seq=6 ttl=64 time=0.035 ms
64 bytes from 192.168.0.101: icmp_seq=7 ttl=64 time=0.033 ms
64 bytes from 192.168.0.101: icmp_seq=8 ttl=64 time=0.027 ms
64 bytes from 192.168.0.101: icmp_seq=9 ttl=64 time=0.026 ms
64 bytes from 192.168.0.101: icmp_seq=10 ttl=64 time=0.033 ms
64 bytes from 192.168.0.101: icmp_seq=11 ttl=64 time=0.044 ms
64 bytes from 192.168.0.101: icmp_seq=12 ttl=64 time=0.027 ms
64 bytes from 192.168.0.101: icmp_seq=13 ttl=64 time=0.024 ms
64 bytes from 192.168.0.101: icmp_seq=14 ttl=64 time=0.035 ms
64 bytes from 192.168.0.101: icmp_seq=15 ttl=64 time=0.032 ms
64 bytes from 192.168.0.101: icmp_seq=16 ttl=64 time=0.033 ms
64 bytes from 192.168.0.101: icmp_seq=17 ttl=64 time=0.030 ms
64 bytes from 192.168.0.101: icmp_seq=18 ttl=64 time=0.046 ms

I thought you were getting from device to device on your local LAN

ccs · Feb 11, 2017

fat-tony said:
Ah ok - that's direct to/from router!

I thought you were getting from device to device on your local LAN

You're confusing me now - I'm pinging my (wireless) et10k from my (wireless) pc, so the route is pc=>router=>et10k and back again.

Joe_90 · Feb 11, 2017

Oh sorry - when I saw .0.101 address I assumed it was the router! Those are fantastic ping times, especially on wifi. If I ping my GB Quad Plus from my desktop (all wired at 1GB) this is what I get...

Code:

PING 192.168.0.125 (192.168.0.125) 56(84) bytes of data.
64 bytes from 192.168.0.125: icmp_seq=1 ttl=64 time=0.199 ms
64 bytes from 192.168.0.125: icmp_seq=2 ttl=64 time=0.191 ms
64 bytes from 192.168.0.125: icmp_seq=3 ttl=64 time=0.202 ms
64 bytes from 192.168.0.125: icmp_seq=4 ttl=64 time=0.316 ms
64 bytes from 192.168.0.125: icmp_seq=5 ttl=64 time=0.320 ms
64 bytes from 192.168.0.125: icmp_seq=6 ttl=64 time=0.317 ms
64 bytes from 192.168.0.125: icmp_seq=7 ttl=64 time=0.258 ms
64 bytes from 192.168.0.125: icmp_seq=8 ttl=64 time=0.327 ms
64 bytes from 192.168.0.125: icmp_seq=9 ttl=64 time=0.214 ms

ccs · Feb 11, 2017

fat-tony said:
Oh sorry - when I saw .0.101 address I assumed it was the router!

You had me panicking again for a minute - my address was .1.101

ccs · Mar 3, 2017

Still creaking on 5.0.001, I'm afraid.

uscool · Mar 5, 2017

ccs said:
Still creaking on 5.0.001, I'm afraid.

thats disappointing i use a gigablue x3 i have to use older build 0.28 for wifi to work properly , 5.0 isnt released for it as waiting for drivers was hoping wifi would be fixed

ccs · Apr 24, 2017

I've finally managed to move onto 5.0.13, so the kernel has now moved on to 4.10.6

rtl8192cu wifi is still as bad as it was after the kernel change when 4.2.027 was released.

Here's a modinfo....

Code:

root@et10000:~# modinfo rtl8192cu
filename:       /lib/modules/4.10.6/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rtl8192cu.ko
firmware:       rtlwifi/rtl8192cufw_TMSC.bin
firmware:       rtlwifi/rtl8192cufw_B.bin
firmware:       rtlwifi/rtl8192cufw_A.bin
firmware:       rtlwifi/rtl8192cufw.bin
description:    Realtek 8192C/8188C 802.11n USB wireless
license:        GPL
author:         Larry Finger    <[email protected]>
author:         Ziv Huang       <[email protected]>
author:         Georgia         <[email protected]>
alias:          usb:v7392p7822d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2357p0100d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v20F4p624Dd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2019pAB2Bd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2001p330Dd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2001p330Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2001p3309d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2001p3307d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0E66p0019d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0DF6p0061d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp8186d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0B05p17ABd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0846pF001d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0846p9021d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v07B8p8178d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v07AAp0056d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0586p341Fd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v050Dp2103d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v050Dp2102d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v050Dp1004d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2019p1201d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v04F2pAFFCd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v04F2pAFFBd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v04F2pAFF8d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v04F2pAFFAd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v04F2pAFF9d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v04F2pAFF7d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp317Fd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v9846p9041d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v4855p0091d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v4855p0090d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v13D3p3359d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v13D3p3358d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v7392p7811d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v20F4p648Bd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2019pED17d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2019pAB2Ed*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2019pAB2Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2019p4902d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2001p3308d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v13D3p3357d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v103Cp1629d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v4856p0091d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0EB0p9071d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0DF6p0077d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0DF6p0070d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0DF6p005Cd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0DF6p0052d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp5088d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0B05p17BAd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0846p9043d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0846p9041d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v07B8p8189d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v07B8p8188d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v06F8pE033d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v050Dp11F2d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v050Dp1102d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp817Cd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp8178d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp8754d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp819Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp818Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp817Fd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp817Ed*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp817Dd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp817Bd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp817Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp8177d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp8176d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp8170d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp018Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0BDAp8191d*dc*dsc*dp*ic*isc*ip*in*
depends:        mac80211,rtlwifi,rtl8192c-common,rtl_usb
intree:         Y
vermagic:       4.10.6 SMP mod_unload modversions BMIPS 32BIT
parm:           swenc:Set to 1 for software crypto (default 0)
 (bool)
parm:           debug:Set debug level (0-5) (default 0) (int)
root@et10000:~#

birdman · Apr 24, 2017

ccs said:
I've finally managed to move onto 5.0.13, so the kernel has now moved on to 4.10.6

rtl8192cu wifi is still as bad as it was after the kernel change when 4.2.027 was released.

You could see what happens if you install kernel-module-rtl8xxxu and blacklist rtl8192cu.

ccs · Apr 24, 2017

birdman said:
You could see what happens if you install kernel-module-rtl8xxxu and blacklist rtl8192cu.

I've given it a go, but it hasn't improved, although telnet seems a lot "snappier".

A simple file copying test runs at half the speed of 4.2.26.

I blacklisted like this, not sure it it right

Code:

root@et10000:~# cat /etc/modprobe.d/blacklist.conf
blacklist rtl8192cu
root@et10000:~#

Code:

root@et10000:~# modinfo rtl8xxxu
filename:       /lib/modules/4.10.6/kernel/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.ko
firmware:       rtlwifi/rtl8723bu_bt.bin
firmware:       rtlwifi/rtl8723bu_nic.bin
firmware:       rtlwifi/rtl8192eu_nic.bin
firmware:       rtlwifi/rtl8192cufw_TMSC.bin
firmware:       rtlwifi/rtl8192cufw_B.bin
firmware:       rtlwifi/rtl8192cufw_A.bin
firmware:       rtlwifi/rtl8723aufw_B_NoBT.bin
firmware:       rtlwifi/rtl8723aufw_B.bin
firmware:       rtlwifi/rtl8723aufw_A.bin
license:        GPL
description:    RTL8XXXu USB mac80211 Wireless LAN Driver
author:         Jes Sorensen <[email protected]>
alias:          usb:v7392p7822d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v4855p0091d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2357p0100d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v20F4p624Dd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2019pAB2Bd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2001p330Ad*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2001p3309d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2001p3307d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0E66p0020d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0E66p0019d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp2E2Ed*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0846pF001d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0846p9021d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v07B8p8178d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v07AAp0056d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0789p016Dd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0DF6p0070d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0DF6p0061d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0B05p17ABd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v06F8pE035d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0586p341Fd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v050Dp2103d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v050Dp2102d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04BBp0950d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2019p1201d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04F2pAFFCd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04F2pAFFBd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04F2pAFF8d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04F2pAFFAd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04F2pAFF9d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04F2pAFF7d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:vCDABp8010d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v4856p0091d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v4855p0090d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2019pED17d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2019pAB2Ed*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2019pAB2Ad*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2019p4902d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2001p330Bd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v13D3p3357d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v103Cp1629d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0EB0p9071d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0DF6p005Cd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0DF6p0052d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp5088d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp1E1Ed*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0B05p17BAd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0846p9041d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v07B8p8189d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v06F8pE033d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v050Dp1102d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v04BBp094Cd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v1058p0631d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp317Fd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp818Ad*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp817Ed*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp817Dd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp817Bd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp817Ad*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp8177d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp8170d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp8191d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2001p3308d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v20F4p648Bd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v050Dp1004d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v7392p7811d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp817Fd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp8178d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp8176d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDApB720d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v2357p0109d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp818Bd*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp0724d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp1724d*dc*dsc*dp*icFFiscFFipFFin*
alias:          usb:v0BDAp8724d*dc*dsc*dp*icFFiscFFipFFin*
depends:        mac80211
intree:         Y
vermagic:       4.10.6 SMP mod_unload modversions BMIPS 32BIT
parm:           debug:Set debug mask (int)
parm:           ht40_2g:Enable HT40 support on the 2.4GHz band (bool)
parm:           dma_aggregation:Enable DMA packet aggregation (bool)
parm:           dma_agg_timeout:Set DMA aggregation timeout (range 1-127) (int)
parm:           dma_agg_pages:Set DMA aggregation pages (range 1-127, 0 to disable) (int)
root@et10000:~#

dmesg

Code:

[    9.306000] usb 1-1: Vendor: Realtek
[    9.306000] usb 1-1: Product: 802.11n WLAN Adapter
[    9.306000] usb 1-1: rtl8192cu_parse_efuse: dumping efuse (0x80 bytes):
[    9.306000] usb 1-1: RTL8192CU rev A (TSMC) 2T2R, TX queues 2, WiFi=1, BT=0, GPS=0, HI PA=0
[    9.306000] usb 1-1: RTL8192CU MAC: 00:0b:81:99:51:c5
[    9.306000] usb 1-1: rtl8xxxu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin
[    9.312000] usb 1-1: Firmware revision 80.0 (signature 0x88c1)
[    9.859000] usbcore: registered new interface driver rtl8xxxu
[   11.665000] NET: Registered protocol family 10
[COLOR="#FF0000"][   11.666000] Segment Routing with IPv6[/COLOR]
[   12.029000] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   13.349000] wlan0: authenticate with 00:37:b7:36:9c:4c
[   13.360000] wlan0: send auth to 00:37:b7:36:9c:4c (try 1/3)
[   13.362000] wlan0: authenticated
[   13.364000] wlan0: associate with 00:37:b7:36:9c:4c (try 1/3)
[   13.367000] wlan0: RX AssocResp from 00:37:b7:36:9c:4c (capab=0x431 status=0 aid=1)
[   13.369000] usb 1-1: rtl8xxxu_bss_info_changed: HT supported
[   13.371000] wlan0: associated
[   13.371000] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   25.863000] platform dvb0.0: DVB: registering adapter 0 frontend 4 (vtuner)...
root@et10000:~#

ccs · Apr 24, 2017

Bit more...

Code:

root@et10000:~# lsmod
Module                  Size  Used by
ipv6                  418179  43
rtl8xxxu              101711  0
mac80211              419453  1 rtl8xxxu
xfs                   778809  0
libcrc32c                890  1 xfs
dvb                  9094241  33
modloader2             33169  1 dvb
modloader              22463  0
tpm                     6717  3 modloader,dvb,modloader2

root@et10000:~# ifconfig
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%4933648/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:4 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:232 (232.0 B)  TX bytes:232 (232.0 B)

wlan0     Link encap:Ethernet  HWaddr 00:0B:81:99:51:C5
          inet addr:192.168.1.101  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20b:81ff:fe99:51c5%4933360/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:348559 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1063795 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:24704871 (23.5 MiB)  TX bytes:1623849604 (1.5 GiB)

root@et10000:~# iwconfig
eth0      no wireless extensions.

wlan0     IEEE 802.11  ESSID:"BT"
          Mode:Managed  Frequency:2.412 GHz  Access Point: xx.xx.xx.xx
          Bit Rate=1 Mb/s   Tx-Power=20 dBm
          Retry short limit:7   RTS thr=2347 B   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=48/70  Signal level=-62 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:3516   Missed beacon:0

lo        no wireless extensions.

eth1      no wireless extensions.

root@et10000:~#

ccs · Apr 26, 2017

Is this commit of any significance?

Code:

https://github.com/pvaret/rtl8192cu-fixes/commit/76b54cd1af89158411d0b294a45ad6a7671d94f0

birdman · Apr 27, 2017

ccs said:
Is this commit of any significance?

Code:

https://github.com/pvaret/rtl8192cu-fixes/commit/76b54cd1af89158411d0b294a45ad6a7671d94f0

Possibly not. I don't think that's the driver that is used, and if there were such an issue it should fail to compile (prototype mismatch), which it doesn't.

ccs · May 29, 2017

birdman said:
You could see what happens if you install kernel-module-rtl8xxxu and blacklist rtl8192cu.

Just having another look for what it's worth. RTL8192CU wifi on 5.0.016 connects ok, but is now so slow that copying files fails with a windows error.

kernel-module-rtl8xxxu is better, but runs 80% slower than 4.2.026 .

What is odd, if I go into the network setup device menu (but do nothing more), the transfer rate drops by another 50%, but immediately picks up again as soon as I exit the menu.

[ET10x00] USB Wi-FI issues with the new Kernel upgrade on 4.2.027

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