Network Wifi fails randomly with 27-7-2019 update. (Solved!)
rx7f
Status: New User - Welcome
Joined: 26 Jul 2019
Posts: 3
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Hi!
Thanks for working on this kernel, so far it has been a great experience.
Today I downloaded the latest update [(5.1-24.1~sid)] and with that wifi stopped working randomly.

When I compare the dmesg output from the latest build with the dmesg output from earlier builds one line shows up repeating when booted with the latest build and that is:

[ 4.644802] iwlwifi 0000:02:00.0: Failed to allocate queue

Network device (per lspci):
02:00.0 Network controller: Intel Corporation Wireless-AC 9260 (rev 29)
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi

inxi -xxxiz shows (this is the output of inxi when the network is not working):
Network: Device-1: Intel Wireless-AC 9260 driver: iwlwifi v: kernel port: efa0 bus ID: 02:00.0 chip ID: 8086:2526
IF: wlp2s0 state: down mac: <filter>
WAN IP: No WAN IP data found. Connected to the web? SSL issues?


If there is any additional information that I can provide i'd gladly do so.
Current workaround is booting the previous build.
Kind regards,
rx7f

< Edited by rx7f :: Jul 28, 19, 1:41 >

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damentz
Status: Assistant
Joined: 09 Sep 2008
Posts: 757
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Hmm, I think that the iwlwifi patches in 5.1.20 might be problematic, or at least only cause problems with the kernel 5.1 base. I'll try putting out a 5.2 kernel and lets see if that helps first. It's normal for a patch backported to a previous version to cause a regression that only impacts the older kernel.
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rx7f
Status: New User - Welcome
Joined: 26 Jul 2019
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Thanks, I will let you know by posting here when that happens.
Thanks again.
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rx7f
Status: New User - Welcome
Joined: 26 Jul 2019
Posts: 3
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Hello!

With the 5.2.0-3.1-liquorix build today the bug seems fixed.

Thanks again and have a great day.
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mkl
Status: New User - Welcome
Joined: 28 Jul 2019
Posts: 1
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I had the same problem - in my case it is fixed with the first 5.2 kernel too!

Even better - my EZCast Wlan-USB-stick (see: https://github.com/brektrou/rtl8821CU) based on Realtek rtl8821 is also working now with Debian 10!

Thanks!
Klaus
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