OK. I followed the above instructions and eventually managed to install the recommended firmware and kernel. Upon rebooting there were several console errors:
[ 1.096562] Couldn't get size: 0x800000000000000e [ 1.700597] psmouse serio1: elantech: elantech_send_cmd query 0x02 failed. [ 1.700620] psmouse serio1: elantech: failed to query capabilities. Eventually the system booted. The USB mouse didn't work but the laptop's touch pad still functioned. Wireless network support appeared to be fine. I did not experience the problems that triggered this bug report. Output of "modinfo ath10k_core" before the upgrade: filename: /lib/modules/4.15.0-50-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_core.ko license: Dual BSD/GPL description: Core module for Qualcomm Atheros 802.11ac wireless LAN cards. author: Qualcomm Atheros srcversion: 165FDC1E16C9659545F5EBF depends: mac80211,cfg80211,ath retpoline: Y intree: Y name: ath10k_core vermagic: 4.15.0-50-generic SMP mod_unload signat: PKCS#7 signer: sig_key: sig_hashalgo: md4 parm: debug_mask:Debugging mask (uint) parm: uart_print:Uart target debugging (bool) parm: skip_otp:Skip otp failure for calibration in testmode (bool) parm: cryptmode:Crypto mode: 0-hardware, 1-software (uint) parm: rawmode:Use raw 802.11 frame datapath (bool) Output of 'modinfo ath10k_core" after the upgrade: filename: /lib/modules/5.2.0-050200rc2-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_core.ko license: Dual BSD/GPL description: Core module for Qualcomm Atheros 802.11ac wireless LAN cards. author: Qualcomm Atheros srcversion: 8629BA1FF61C3F4A154EFE0 depends: mac80211,cfg80211,ath retpoline: Y intree: Y name: ath10k_core vermagic: 5.2.0-050200rc2-generic SMP mod_unload signat: PKCS#7 signer: sig_key: sig_hashalgo: md4 parm: debug_mask:Debugging mask (uint) parm: uart_print:Uart target debugging (bool) parm: skip_otp:Skip otp failure for calibration in testmode (bool) parm: cryptmode:Crypto mode: 0-hardware, 1-software (uint) parm: rawmode:Use raw 802.11 frame datapath (bool) parm: coredump_mask:Bitfield of what to include in firmware crash file (ulong) Output of 'modinfo ath10k_pci" before: filename: /lib/modules/4.15.0-50-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_pci.ko firmware: ath10k/QCA9377/hw1.0/board.bin firmware: ath10k/QCA9377/hw1.0/firmware-5.bin firmware: ath10k/QCA6174/hw3.0/board-2.bin firmware: ath10k/QCA6174/hw3.0/board.bin firmware: ath10k/QCA6174/hw3.0/firmware-6.bin firmware: ath10k/QCA6174/hw3.0/firmware-5.bin firmware: ath10k/QCA6174/hw3.0/firmware-4.bin firmware: ath10k/QCA6174/hw2.1/board-2.bin firmware: ath10k/QCA6174/hw2.1/board.bin firmware: ath10k/QCA6174/hw2.1/firmware-5.bin firmware: ath10k/QCA6174/hw2.1/firmware-4.bin firmware: ath10k/QCA9887/hw1.0/board-2.bin firmware: ath10k/QCA9887/hw1.0/board.bin firmware: ath10k/QCA9887/hw1.0/firmware-5.bin firmware: ath10k/QCA988X/hw2.0/board-2.bin firmware: ath10k/QCA988X/hw2.0/board.bin firmware: ath10k/QCA988X/hw2.0/firmware-5.bin firmware: ath10k/QCA988X/hw2.0/firmware-4.bin firmware: ath10k/QCA988X/hw2.0/firmware-3.bin firmware: ath10k/QCA988X/hw2.0/firmware-2.bin license: Dual BSD/GPL description: Driver support for Qualcomm Atheros 802.11ac WLAN PCIe/AHB devices author: Qualcomm Atheros srcversion: 63EC35DB9BF9FC4074A002D alias: pci:v0000168Cd00000050sv*sd*bc*sc*i* alias: pci:v0000168Cd00000042sv*sd*bc*sc*i* alias: pci:v0000168Cd00000046sv*sd*bc*sc*i* alias: pci:v0000168Cd00000056sv*sd*bc*sc*i* alias: pci:v0000168Cd00000040sv*sd*bc*sc*i* alias: pci:v0000168Cd0000003Esv*sd*bc*sc*i* alias: pci:v0000168Cd00000041sv*sd*bc*sc*i* alias: pci:v0000168Cd0000003Csv*sd*bc*sc*i* depends: ath10k_core retpoline: Y intree: Y name: ath10k_pci vermagic: 4.15.0-50-generic SMP mod_unload signat: PKCS#7 signer: Output of "modinfo ath10k_pci" after: filename: /lib/modules/5.2.0-050200rc2-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_pci.ko firmware: ath10k/QCA9377/hw1.0/board.bin firmware: ath10k/QCA9377/hw1.0/firmware-5.bin firmware: ath10k/QCA9377/hw1.0/firmware-6.bin firmware: ath10k/QCA6174/hw3.0/board-2.bin firmware: ath10k/QCA6174/hw3.0/board.bin firmware: ath10k/QCA6174/hw3.0/firmware-6.bin firmware: ath10k/QCA6174/hw3.0/firmware-5.bin firmware: ath10k/QCA6174/hw3.0/firmware-4.bin firmware: ath10k/QCA6174/hw2.1/board-2.bin firmware: ath10k/QCA6174/hw2.1/board.bin firmware: ath10k/QCA6174/hw2.1/firmware-5.bin firmware: ath10k/QCA6174/hw2.1/firmware-4.bin firmware: ath10k/QCA9887/hw1.0/board-2.bin firmware: ath10k/QCA9887/hw1.0/board.bin firmware: ath10k/QCA9887/hw1.0/firmware-5.bin firmware: ath10k/QCA988X/hw2.0/board-2.bin firmware: ath10k/QCA988X/hw2.0/board.bin firmware: ath10k/QCA988X/hw2.0/firmware-5.bin firmware: ath10k/QCA988X/hw2.0/firmware-4.bin firmware: ath10k/QCA988X/hw2.0/firmware-3.bin firmware: ath10k/QCA988X/hw2.0/firmware-2.bin license: Dual BSD/GPL description: Driver support for Qualcomm Atheros 802.11ac WLAN PCIe/AHB devices author: Qualcomm Atheros srcversion: 5CC3E1846D3C5D0B99778E8 alias: pci:v0000168Cd00000050sv*sd*bc*sc*i* alias: pci:v0000168Cd00000042sv*sd*bc*sc*i* alias: pci:v0000168Cd00000046sv*sd*bc*sc*i* alias: pci:v0000168Cd00000056sv*sd*bc*sc*i* alias: pci:v0000168Cd00000040sv*sd*bc*sc*i* alias: pci:v0000168Cd0000003Esv*sd*bc*sc*i* alias: pci:v0000168Cd00000041sv*sd*bc*sc*i* alias: pci:v0000168Cd0000003Csv*sd*bc*sc*i* alias: pci:v00000777d000011ACsv*sd*bc*sc*i* depends: ath10k_core retpoline: Y intree: Y name: ath10k_pci vermagic: 5.2.0-050200rc2-generic SMP mod_unload signat: PKCS#7 signer: sig_key: sig_hashalgo: md4 parm: irq_mode:0: auto, 1: legacy, 2: msi (default: 0) (uint) parm: reset_mode:0: auto, 1: warm only (default: 0) (uint) Output of 'uname -a' before: inux dellfvw 4.15.0-50-generic #54-Ubuntu SMP Mon May 6 18:46:08 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux and after: Linux dellfvw 5.2.0-050200rc2-generic #201905262130 SMP Mon May 27 01:33:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Output of 'dmesg' and the relevant portion of /var/log/syslog attached. I then reverted to my previous configuration to resolve errors at boot time and restore USB mouse support. (As I mentioned this is my main production machine and I need it to make a living with so it has to work properly.) Current output of 'uname -a': Linux dellfvw 4.15.0-50-generic #54-Ubuntu SMP Mon May 6 18:46:08 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Current output of "dpkg -l | grep linux-firmware" ii linux-firmware 1.173 all Firmware for Linux kernel drivers So I am now back to running the same versions as before I attempted the latest kernel and firmware drivers. HOWEVER... The issue is now back, with the 1.1.7.3 firmware!! >From the syslog: Jun 5 17:20:59 dellfvw kernel: [ 849.573785] pcieport 0000:00:1c.5: AER: Corrected error received: id=00e5 Jun 5 17:20:59 dellfvw kernel: [ 849.573794] pcieport 0000:00:1c.5: PCIe Bus Error: severity=Corrected, type=Data Link Layer, id=00e5(Transmitter ID) Jun 5 17:20:59 dellfvw kernel: [ 849.573802] pcieport 0000:00:1c.5: device [8086:9d15] error status/mask=00001000/00002000 Jun 5 17:20:59 dellfvw kernel: [ 849.573807] pcieport 0000:00:1c.5: [12] Replay Timer Timeout Jun 5 17:22:09 dellfvw kernel: [ 919.092051] pcieport 0000:00:1c.5: AER: Corrected error received: id=00e5 Jun 5 17:22:09 dellfvw kernel: [ 919.092068] pcieport 0000:00:1c.5: PCIe Bus Error: severity=Corrected, type=Data Link Layer, id=00e5(Transmitter ID) Jun 5 17:22:09 dellfvw kernel: [ 919.092082] pcieport 0000:00:1c.5: device [8086:9d15] error status/mask=00001000/00002000 Jun 5 17:22:09 dellfvw kernel: [ 919.092093] pcieport 0000:00:1c.5: [12] Replay Timer Timeout Jun 5 17:22:09 dellfvw systemd[1]: Starting Cleanup of Temporary Directories... Jun 5 17:22:09 dellfvw systemd[1]: Started Cleanup of Temporary Directories. Jun 5 17:22:32 dellfvw wpa_supplicant[1083]: wlp3s0: CTRL-EVENT-SCAN-FAILED ret=-110 Jun 5 17:22:32 dellfvw kernel: [ 942.728371] ath10k_pci 0000:03:00.0: failed to receive scan abortion completion: timed out Jun 5 17:22:32 dellfvw kernel: [ 942.728374] ath10k_pci 0000:03:00.0: failed to stop scan: -110 Jun 5 17:22:32 dellfvw kernel: [ 942.728376] ath10k_pci 0000:03:00.0: failed to start hw scan: -110 Jun 5 17:25:43 dellfvw kernel: [ 1133.299821] pcieport 0000:00:1c.5: AER: Corrected error received: id=00e5 Jun 5 17:25:43 dellfvw kernel: [ 1133.299835] pcieport 0000:00:1c.5: PCIe Bus Error: severity=Corrected, type=Data Link Layer, id=00e5(Transmitter ID) Jun 5 17:25:43 dellfvw kernel: [ 1133.299846] pcieport 0000:00:1c.5: device [8086:9d15] error status/mask=00001000/00002000 Jun 5 17:25:43 dellfvw kernel: [ 1133.299854] pcieport 0000:00:1c.5: [12] Replay Timer Timeout Jun 5 17:27:19 dellfvw kernel: [ 1229.057676] pcieport 0000:00:1c.5: AER: Corrected error received: id=00e5 Jun 5 17:27:19 dellfvw kernel: [ 1229.057693] pcieport 0000:00:1c.5: PCIe Bus Error: severity=Corrected, type=Data Link Layer, id=00e5(Transmitter ID) Jun 5 17:27:19 dellfvw kernel: [ 1229.057708] pcieport 0000:00:1c.5: device [8086:9d15] error status/mask=00001000/00002000 Jun 5 17:27:19 dellfvw kernel: [ 1229.057717] pcieport 0000:00:1c.5: [12] Replay Timer Timeout Jun 5 17:27:32 dellfvw wpa_supplicant[1083]: wlp3s0: CTRL-EVENT-SCAN-FAILED ret=-110 Jun 5 17:27:32 dellfvw kernel: [ 1242.756171] ath10k_pci 0000:03:00.0: failed to receive scan abortion completion: timed out Jun 5 17:27:32 dellfvw kernel: [ 1242.756180] ath10k_pci 0000:03:00.0: failed to stop scan: -110 Jun 5 17:27:32 dellfvw kernel: [ 1242.756184] ath10k_pci 0000:03:00.0: failed to start hw scan: -110 Jun 5 17:32:32 dellfvw kernel: [ 1542.765615] ath10k_pci 0000:03:00.0: failed to receive scan abortion completion: timed out Jun 5 17:32:32 dellfvw kernel: [ 1542.765623] ath10k_pci 0000:03:00.0: failed to stop scan: -110 Jun 5 17:32:32 dellfvw kernel: [ 1542.765627] ath10k_pci 0000:03:00.0: failed to start hw scan: -110 Jun 5 17:32:32 dellfvw wpa_supplicant[1083]: wlp3s0: CTRL-EVENT-SCAN-FAILED ret=-110 So while the 5.2.0 kernel with the latest firmware drivers seemed to have resolved the issue (but introduces a lot of problems related to a manual install of same) I now have the problem with the same versions that previously worked OK. I'm not sure where to go from here. I came close to wrecking the PC with which I make a living and I'm not comfortable with the risk of hosing it in an attempt to try out different development builds. Reverting to the previous configuration took quite a bit of effort and I'm now worse off then before this experiment. Suggestions on how to proceed are welcome!! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1830350 Title: System freezes repeatedly for several seconds; wifi driver related errors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1830350/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs