Please try this kernel, commit b8b8b16352cd is cherry-picked into it:
http://people.canonical.com/~khfeng/lp1618267/
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https://bugs.launchpad.net/bugs/1618267
Title:
RTL8821AE abruptly
Thank you James.
Can I mark #1622293, #1653012, #1707185, as duplicate?
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https://bugs.launchpad.net/bugs/1618267
Title:
RTL8821AE abruptly halts all network traffic
To manage
Summary; my own rtl8821ae frequent connection lost problem was fixed by
upstream patch b8b8b16352cd ("rtlwifi: rtl8821ae: Fix connection lost
problem") merged for 4.14-rc4.
I've recently fixed a problem very much like the problems reported in
this bug; and during my tests I saw the cycling ping
Thor H. Johansen, The issue you are reporting is an upstream one. Could
you please report this problem following the instructions verbatim at
https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate mailing
list (TO Larry Finger, and wlanfae CC linux-wireless)?
Please provide a direct URL
With the router in pure 802.11G mode, the interface just barely hangs in
there. When I run SpeedTest.net, ping times go through the roof, the
test sometimes gets stuck without completing, and the results are very
bad. Oddly, ping reports no dropped packets. Just severely delayed ones.
However,
Thor H. Johansen, to further narrow this down, if you force the router
to broadcast on 802.11G only, is the issue still reproducible?
** Description changed:
Computer: Lenovo IdeaPad 110
- WiFi AP: Linksys E2500
+ WiFi AP: Linksys E2500 v1.0 with firmware v2.0.00
After a few minutes of
thor@thor-ideapad:~$ iwconfig
lono wireless extensions.
wlp1s0IEEE 802.11 ESSID:"Johansen"
Mode:Managed Frequency:5.18 GHz Access Point: 58:6D:8F:C6:38:89
Bit Rate=72.2 Mb/s Tx-Power=30 dBm
Retry short limit:7 RTS thr=2347 B Fragment
The iwconfig output above is from while the interface still works, not
when it exhibits the bug. Let me know if you want an iwconfig dump from
when it's dead.
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Thor H. Johansen:
1) Could you please post the results of the following terminal command:
iwconfig
2) Could you please advise what firmware version your Linksys WiFi router is
using?
** Tags removed: bios-outdated-1qcn32ww
** Tags added: latest-bios-1qcn32ww
** Changed in: linux (Ubuntu)
Now for the WiFi bug report on the new BIOS:
The problem didn't go away, as expected. They wouldn't ship a machine
without working WiFi. This is clearly a Linux specific problem, which is
why I'm reporting it in the first place. If a BIOS flash somehow fixes a
bug that only occurs on Linux, the
For others who come across this report, here are some crucial bits of
information about upgrading the BIOS on this machine:
1. Download the Windows BIOS update from the Lenovo support website.
2. Install innoextract (apt-get install innoextract) and use it to extract the
MS-DOS flash utility
I will perform the upgrade, but first, a message to Canonical:
The tone in these canned responses and pages feel somewhat patronizing.
You get the distinct feeling they were written by a person whose
patience and good manners have been worn extremely thin.
They have successfully delivered the
Thor H. Johansen, as per http://support.lenovo.com/us/en/products
/Laptops-and-
netbooks/100-series/110-15ACL?tabName=Downloads=Mast:SubNav:Support:Drivers%20and%20Software|Drivers%20and%20Software=false
an update to your computer's buggy, insecure, and outdated BIOS is
available (1QCN32WW). When
As for bad performance and eventual halting of traffic, it's still doing
it. Messages from the kernel are, as before, deceptively calm. Just
routine messages about association and authentication. Not an error in
sight.
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Testing on the mainline v4.8-rc3 kernel, the first thing that happens is
that the NIC dies before I can even use it. Browser just sits there, so
I try to ping:
thor@thor-ideapad:~$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
ping: sendmsg: No buffer space available
ping: sendmsg: No
Got these warnings during mainline kernel install:
W: Possible missing firmware /lib/firmware/radeon/hainan_k_smc.bin for module
radeon
W: Possible missing firmware /lib/firmware/radeon/oland_k_smc.bin for module
radeon
W: Possible missing firmware /lib/firmware/radeon/verde_k_smc.bin for
Thor H. Johansen, thank you for reporting this and helping make Ubuntu
better.
In order to allow additional upstream developers to examine the issue, at your
earliest convenience, could you please test the latest upstream kernel
available from
Related issue:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1577111
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https://bugs.launchpad.net/bugs/1618267
Title:
RTL8821AE abruptly halts all network traffic
To manage
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