wifi drops out

[Tse]

Hiya dear guys,

Many congratulations on all your work, and the latest release. Thanks so much :)

Since upgrading to 5.8 I need to reboot to maintain wifi -- it drops
out anywhere between a few minutes, to a few hours after boot

Any help would be much appreciated!

service netif restart, or kldunload/kldload don't solve this

Initial drop out messages

beloved kernel: iwm0: device timeout
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to remove station: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_mac_ctxt_send_cmd: Failed to send MAC
context (action:2): 5
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to change mac context: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to update smart FIFO: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: Failed to remove station. Id=0
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to remove station id: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_update_quotas: Failed to send quota: 5
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to update PHY quota: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_mac_ctxt_send_cmd: Failed to send MAC
context (action:2): 5
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to change mac context: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: Failed to send binding (action:3): 5
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to remove channel ctx: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_mac_ctxt_send_cmd: Failed to send MAC
context (action:2): 5
beloved kernel: iwm0: iwm_bring_down_firmware: Failed to change mac context: 5
beloved kernel: iwm0: iwm_pcie_set_cmd_in_flight: Failed to wake NIC for hcmd
beloved kernel: iwm0: iwm_bring_down_firmware: failed to update power management
beloved kernel: iwm0: iwm_start_fw: Unable to init nic
beloved kernel: iwm0: iwm_start_fw: failed 16
beloved kernel: iwm0: Failed to start INIT ucode: 16
beloved kernel: iwm_run_init_ucode: failed 16
beloved kernel: iwm_init_hw failed 16
beloved kernel: iwm0: could not initiate scan
beloved last message repeated 6 times
beloved kernel: iwm0: could not initiate scan
beloved last message repeated 7 times

`service netif restart` gives

beloved last message repeated 23 times
beloved kernel: iwm0: iwm_start_fw: Unable to init nic
beloved kernel: iwm0: iwm_start_fw: failed 16
beloved kernel: iwm0: Failed to start INIT ucode: 16
beloved kernel: iwm_run_init_ucode: failed 16
beloved kernel: iwm_init_hw failed 16
beloved kernel: iwm0: could not initiate scan
beloved kernel: iwm0: iwm_start_fw: Unable to init nic
beloved kernel: iwm0: iwm_start_fw: failed 16
beloved kernel: iwm0: Failed to start INIT ucode: 16
beloved kernel: iwm_run_init_ucode: failed 16
beloved kernel: iwm_init_hw failed 16
beloved kernel: iwm0: could not initiate scan
beloved last message repeated 2 times
beloved kernel: pid 1185 (chrome), uid 1002: exited on signal 11
beloved kernel: iwm0: could not initiate scan
beloved last message repeated 6 times
beloved last message repeated 17 times