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List:       linux-backports
Subject:    Re: [PATCHv2] backports: Update hwsim defconfig
From:       Johannes Berg <johannes () sipsolutions ! net>
Date:       2022-04-11 7:58:31
Message-ID: d7f450afc9877b06cba8f5e6b4083b34f0733ef5.camel () sipsolutions ! net
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On Mon, 2022-04-11 at 15:39 +0800, Mathy Vanhoef wrote:
> In the current hwsim config no rate control algorithm is enabled. This
> means that, when using defconfig-hwsim, the mac80211_hwsim fails to load
> with the following error:
> 
> 	[  132.155183] ieee80211 phy0: Failed to select rate control algorithm
> 	[  132.155196] ieee80211 phy0: Failed to initialize rate control algorithm
> 
> Fix this by enabling rate control algorithms in the provided hwsim
> config.

Makes sense, thanks.

> Experiments were also less reliable when WEXT was enabled. So this patch
> also disables WEXT when using defconfig-hwsim to make the default more
> reliable for users.
> 

Huh? How so? Maybe some other tool was present on the system that was
using wext, and disabling wext made that tool no longer detect the
wireless or so? I cannot see how else it would be "less reliable" with
wext enabled, if you don't really use it.

johannes
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