https://bugzilla.kernel.org/show_bug.cgi?id=209493 Bug ID: 209493 Summary: Intel 9260 Wifi/BT USB Resets Repeatedly Product: Drivers Version: 2.5 Kernel Version: 5.9.0-rc7+ Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Bluetooth Assignee: linux-bluetooth@xxxxxxxxxxxxxxx Reporter: parker@xxxxxxxxx Regression: No Created attachment 292807 --> https://bugzilla.kernel.org/attachment.cgi?id=292807&action=edit Full dmesg log On a Lenovo T495 with AMD Ryzen 3700U PRO and Intel 9260 WiFi/BT the BT USB resets approximately every 4 seconds. It starts at reboot and happens regardless if BT and/or WiFi are in use. BT still works although there is sometimes lag with my Logitech MX Anywhere 2 BT mouse when it resets. OS is Debian Bullseye, fully up to date. Issue happens on Distro kernel (5.8.0-2) as well as upstream built from git. [ 200.978296] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 204.882294] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 208.786259] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 212.658660] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 216.562736] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 220.434207] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 224.338571] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 228.210158] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 232.114168] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 236.018643] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 239.890136] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 243.794141] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd [ 247.666226] usb 3-2.4: reset full-speed USB device number 5 using xhci_hcd root@debian-PN:~# lsusb -tv /: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/1p, 480M ID 1d6b:0002 Linux Foundation 2.0 root hub /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 10000M ID 1d6b:0003 Linux Foundation 3.0 root hub /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M ID 1d6b:0002 Linux Foundation 2.0 root hub |__ Port 1: Dev 2, If 0, Class=Wireless, Driver=btusb, 12M ID 8087:0025 Intel Corp. Wireless-AC 9260 Bluetooth Adapter |__ Port 1: Dev 2, If 1, Class=Wireless, Driver=btusb, 12M ID 8087:0025 Intel Corp. Wireless-AC 9260 Bluetooth Adapter |__ Port 2: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M ID 05e3:0610 Genesys Logic, Inc. Hub |__ Port 1: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M ID 5986:2113 Acer, Inc SunplusIT Integrated Camera |__ Port 1: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M ID 5986:2113 Acer, Inc SunplusIT Integrated Camera |__ Port 4: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 12M ID 06cb:00bd Synaptics, Inc. Prometheus MIS Touch Fingerprint Reader /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M ID 1d6b:0003 Linux Foundation 3.0 root hub /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M ID 1d6b:0002 Linux Foundation 2.0 root hub root@debian-PN:~# dmesg |grep iw |grep firmware [ 4.434848] iwlwifi 0000:01:00.0: loaded firmware version 46.8902351f.0 9260-th-b0-jf-b0-46.ucode op_mode iwlmvm -- You are receiving this mail because: You are the assignee for the bug.