On Wed, 7 Aug 2024 at 13:10, Kalle Valo <kvalo@xxxxxxxxxx> wrote: > > Chris Bainbridge <chris.bainbridge@xxxxxxxxx> writes: > > > I hit the following bug in 6.11.0-rc2. Reverting the offending commit > > fixes the issue. This happens immediately when I run `iperf3 -bidir`. > > [...] > > > [ 42.873868] ------------[ cut here ]------------ > > [ 42.873989] WARNING: CPU: 1 PID: 529 at drivers/net/wireless/intel/iwlwifi/pcie/tx.c:1836 iwl_pcie_get_sgt_tb_phys (drivers/net/wireless/intel/iwlwifi/pcie/tx.c:1836) iwlwifi > > Does the connection still work after the warning? Not really. It is functional but tx throughput is severely degraded, iperf shows ~1mbit/sec instead of the usual ~600mbit. Rx throughput (measured with `iperf -c ... -R`) doesn't seem to be affected.
