Hi, On Fri, Oct 31, 2025 at 08:57:15AM +0100, Lukasz Szotek wrote: > > Does > > > > ethtool --set-eee eth0 eee off > > > > help operating the device at 1 Gbps? > > > Nope :( > > [ 285.841305] r8169 0000:01:00.0 eth0: Link is Down > [ 287.494384] r8169 0000:01:00.0 eth0: Link is Up - 100Mbps/Full - flow > control rx/tx > [ 317.677989] r8169 0000:01:00.0 eth0: Link is Down > [ 319.331009] r8169 0000:01:00.0 eth0: Link is Up - 100Mbps/Full - flow > control rx/tx > [ 348.969542] r8169 0000:01:00.0 eth0: Link is Down > [ 350.622900] r8169 0000:01:00.0 eth0: Link is Up - 100Mbps/Full - flow > control rx/tx > > [ 381.489409] Ethtool ioctl interface doesn't support passing EEE linkmodes > beyond bit 32 <-- ethtool --set-eee eth0 eee off > > [ 381.489565] r8169 0000:01:00.0 eth0: Link is Down > [ 383.132844] r8169 0000:01:00.0 eth0: Link is Up - 100Mbps/Full - flow > control rx/tx > [ 414.061075] r8169 0000:01:00.0 eth0: Link is Down > [ 415.714162] r8169 0000:01:00.0 eth0: Link is Up - 100Mbps/Full - flow > control rx/tx > [ 444.933290] r8169 0000:01:00.0 eth0: Link is Down > [ 446.586387] r8169 0000:01:00.0 eth0: Link is Up - 100Mbps/Full - flow > control rx/tx
Right now I'm wondering if it might relate to https://git.kernel.org/linus/bf7154ffb1c65a201906296a9d3eb22e9daa5ffc If so you might want to try the 6.18 kernel in experimental. The commit is as well included in the upcoming 6.17.8-1 upload to unstable. Regards, Salvatore

