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Groups > linux.debian.kernel > #60351
| From | Ben Caradoc-Davies <ben@transient.nz> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops |
| Date | 2018-02-25 22:30 +0100 |
| Message-ID | <vnc1Q-5eq-21@gated-at.bofh.it> (permalink) |
| References | <vlOXD-6Kh-1@gated-at.bofh.it> <vnc1Q-5eq-23@gated-at.bofh.it> <vlOEh-6C5-1@gated-at.bofh.it> <vnc1Q-5eq-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
[Multipart message — attachments visible in raw view] - view raw
I have identified he problematic commit as
7b6ddeaf27eca72795ceeae2f0f347db1b5f9a30 ("mac80211: use QoS NDP for AP
probing") on torvalds/master and linux-stable/linux-4.15.y. On
linux-stable/linux-4.14.y: e23090a7d8f05f03cf564148472130286f5ca9bf.
Attached patch reverts this commit. I have submitted the patch upstream.
It applies (with a little fuzz) against Debian 4.15.4-1.
From the patch:
The above commit causes an Atheros AR9271 ath9k_htc USB WiFi adapter
connected to an AP with QoS/WME enabled to lose all IP connectivity after
something like 10 to 90 minutes. The adapter remains up and associated
and "iw dev wlan0 station dump" shows byte and packet counters that keep
increasing, but all IP connectivity fails, including ping, DNS, and web.
The host cannot be pinged by other hosts on the WLAN. Network can be
restored by unloading and reloading the ath9k_htc module, or physically
unplugging and replugging the adapter, triggering NetworkManager to
reconnect.
[...]
Problem confirmed on Debian linux-image-4.14.0-3-amd64 4.14.17-1 and
Debian linux-image-4.15.0-1-amd64 4.15.4-1 and vanilla 4.14.16
(git e23090a7d8f0 from linux-stable/linux-4.14.y) and vanilla 4.16.0-rc2
(git 3664ce2d9309 from torvalds/master).
Fix tested by reverting the commit on vanilla 4.16.0-rc2 (git 3664ce2d9309
from torvalds/master) and applying the patch to Debian
linux-image-4.15.0-1-amd64 4.15.4-1. Both tests resulted in stable IP
connectivity.
Kind regards,
--
Ben Caradoc-Davies <ben@transient.nz>
Director
Transient Software Limited <https://transient.nz/>
New Zealand
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Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops Ben Caradoc-Davies <ben@transient.nz> - 2018-02-22 03:20 +0100
Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops Ben Caradoc-Davies <ben@transient.nz> - 2018-02-22 03:40 +0100
Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops Ben Caradoc-Davies <ben@transient.nz> - 2018-02-25 22:30 +0100
Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops Ben Caradoc-Davies <ben@transient.nz> - 2018-03-17 22:20 +0100
Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops Ben Caradoc-Davies <ben@transient.nz> - 2018-03-19 01:10 +0100
Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops Ben Caradoc-Davies <ben@transient.nz> - 2018-03-22 00:40 +0100
Bug#891060: Atheros AR9271 ath9k_htc USB WiFi connected but IP traffic stops Ben Caradoc-Davies <ben@transient.nz> - 2018-03-23 23:50 +0100
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