> [ 5.543416] ieee80211 phy0: Failed to select rate control algorithm
> [ 5.543993] ieee80211 phy0: Failed to initialize rate control algorithm
> [ 5.556937] mac80211_hwsim: ieee80211_register_hw failed (-2)
> [ 5.557669] BUG: unable to handle kernel paging request at cd1aa02c
> [ 5.558381] IP: [<c09bd01b>] kobject_get+0x2b/0xb0
> [ 5.558922] *pdpt = 0000000002c20001 *pde = 000000000fbfc067 *pte =
> 800000000d1aa060
Yeah this is a known bug in hwsim - if registration fails (here apparently because you have no rate scaling) then it crashes - the error path is broken. Luckily, this never actually happens in practice. I'm supposed to get some patches from Marcel which I think will (have to) fix this.
johannes
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