Wen Gong <wgong@xxxxxxxxxxxxxx> writes: > On 2021-11-15 20:53, Kalle Valo wrote: >> Wen Gong <wgong@xxxxxxxxxxxxxx> writes: >> >>> From: Wen Gong <quic_wgong@xxxxxxxxxxx> >>> >>> v3: remove time_left set but not used in >>> "ath11k: add synchronization operation between reconfigure of >>> mac80211 and ath11k_base" >>> >>> v2: s/initilized/initialized in commit log of patch >>> "ath11k: add synchronization operation between reconfigure of >>> mac80211 and ath11k_base" >>> >>> Add support for device recovery. >>> >>> Wen Gong (3): >>> ath11k: add ath11k_qmi_free_resource() for recovery >>> ath11k: add support for device recovery for QCA6390 >>> ath11k: add synchronization operation between reconfigure of >>> mac80211 >>> and ath11k_base >> >> I did some quick testing (commit 4716d5bb1e16 in pending branch) and it >> does not seem to work for me: >> >> oot@nuc1:~# echo assert > /sys/kernel/debug/ath11k/qca6390\ >> hw2.0/simulate_fw_crash >> root@nuc1:~# iw wlan0 scan >> command failed: Connection timed out (-110) >> root@nuc1:~# >> >> Kernel logs have: >> >> [ 118.903092] ath11k_pci 0000:06:00.0: BAR 0: assigned [mem >> 0xdb000000-0xdbffffff 64bit] >> [ 118.925164] ath11k_pci 0000:06:00.0: MSI vectors: 32 >> [ 118.925285] ath11k_pci 0000:06:00.0: qca6390 hw2.0 >> [ 119.093214] mhi mhi0: Requested to power ON >> [ 119.095430] mhi mhi0: Power on setup success >> [ 119.423735] mhi mhi0: Wait for device to enter SBL or Mission mode >> [ 119.543030] ath11k_pci 0000:06:00.0: chip_id 0x0 chip_family 0xb >> board_id 0xff soc_id 0xffffffff >> [ 119.543197] ath11k_pci 0000:06:00.0: fw_version 0x101c06cc >> fw_build_timestamp 2020-06-24 19:50 fw_build_id >> [ 230.101077] ip (2367) used greatest stack depth: 24384 bytes left >> [ 283.663895] ath11k_pci 0000:06:00.0: simulating firmware assert >> crash >> [ 283.738422] ath11k_pci 0000:06:00.0: firmware crashed: >> MHI_CB_SYS_ERROR >> [ 295.236831] ath11k_pci 0000:06:00.0: wmi command 12290 timeout >> [ 295.237937] ath11k_pci 0000:06:00.0: failed to send >> WMI_STOP_SCAN_CMDID >> [ 295.238467] ath11k_pci 0000:06:00.0: failed to stop wmi scan: -11 >> [ 295.240049] ath11k_pci 0000:06:00.0: failed to stop scan: -11 >> [ 295.240558] ath11k_pci 0000:06:00.0: failed to start hw scan: -110 >> > > I have sent v4, it is not to fix your fail:) > It added patch "ath11k: fix invalid m3 buffer address". > https://patchwork.kernel.org/project/linux-wireless/cover/20211116041522.23529-1-quic_wgong@xxxxxxxxxxx/ > > >> Also there should be a clear ath11k_warn() message when firmware >> recovery was successful, I could not find one from patches. > > Yes, if recovery succes, it will have "success" log. Where are the printouts? I cannot find any ath11k_warn() messages in v4. Basically I would want to see something like this when the firmware crashes: firmware crashed, restarting it And once the firmware is running again: firmware restarted succesfully -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches