Same issue here, Dell 9570. It seems to happen more often when I have Bluetooth devices associated.
[ 5954.587078] ath10k_pci 0000:3b:00.0: firmware crashed! (guid 29b90296-0ef9-4140-8a80-abe8ab57a186) [ 5954.587092] ath10k_pci 0000:3b:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1a56:1535 [ 5954.587096] ath10k_pci 0000:3b:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0 [ 5954.588808] ath10k_pci 0000:3b:00.0: firmware ver WLAN.RM.4.4.1-00140-QCARMSWPZ-1 api 6 features wowlan,ignore-otp,mfp crc32 29eb8ca1 [ 5954.590111] ath10k_pci 0000:3b:00.0: board_file api 2 bmi_id N/A crc32 4ed3569e [ 5954.590117] ath10k_pci 0000:3b:00.0: htt-ver 3.60 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1 [ 5954.600293] ath10k_pci 0000:3b:00.0: failed to get memcpy hi address for firmware address 4: -16 [ 5954.600296] ath10k_pci 0000:3b:00.0: failed to read firmware dump area: -16 [ 5954.600300] ath10k_pci 0000:3b:00.0: Copy Engine register dump: [ 5954.600336] ath10k_pci 0000:3b:00.0: [00]: 0x00034400 14 14 3 3 [ 5954.600369] ath10k_pci 0000:3b:00.0: [01]: 0x00034800 6 6 83 84 [ 5954.600465] ath10k_pci 0000:3b:00.0: [02]: 0x00034c00 57 57 55 56 [ 5954.600502] ath10k_pci 0000:3b:00.0: [03]: 0x00035000 9 9 11 9 [ 5954.600547] ath10k_pci 0000:3b:00.0: [04]: 0x00035400 3521 3517 31 223 [ 5954.600592] ath10k_pci 0000:3b:00.0: [05]: 0x00035800 0 0 64 0 [ 5954.600621] ath10k_pci 0000:3b:00.0: [06]: 0x00035c00 30 29 0 30 [ 5954.600636] ath10k_pci 0000:3b:00.0: [07]: 0x00036000 1 1 1 0 [ 5954.620584] ath10k_pci 0000:3b:00.0: failed to read hi_board_data address: -28 [ 5954.706228] ieee80211 phy0: Hardware restart was requested [ 5954.921384] ath10k_pci 0000:3b:00.0: UART prints enabled [ 5954.990174] ath10k_pci 0000:3b:00.0: unsupported HTC service id: 1536 [ 5955.493975] ath10k_pci 0000:3b:00.0: device successfully recovered [ 6004.131362] wlp59s0: deauthenticating from b4:fb:e4:4b:1e:49 by local choice (Reason: 3=DEAUTH_LEAVING) [ 6007.923710] ath10k_pci 0000:3b:00.0: UART prints enabled [ 6007.992931] ath10k_pci 0000:3b:00.0: unsupported HTC service id: 1536 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1807974 Title: Wireless regularly breaking (ath10k firmware crashed!) after upgrade to Cosmic on Dell XPS 13 9370 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1807974/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
