On Sun, 31 Aug 2025 10:50:35 +0200 Hubert Wiśniewski wrote:
> Trying to bring an AX88772B-based USB-Ethernet adapter up results in a
> deadlock if the adapter was suspended at the time. Most network-related
> software hangs up indefinitely as a result. This can happen on systems
> which configure USB power control to 'auto' by default, e.g. laptops
> running `tlp`.
Oleksij, this seems to date back to commit e0bffe3e6894 ("net: asix:
ax88772: migrate to phylink"). Taking rtnl_lock in runtime resume
callbacks is known to result in unhappiness :(
Could you check if commit e110bc825897 ("net: usb:
lan78xx: Convert to PHYLINK for improved PHY and MAC management")
isn't similarly flawed?
