https://bugzilla.kernel.org/show_bug.cgi?id=194759 Bug ID: 194759 Summary: Microsoft Surface Ergonomic Keyboard crashes bluetooth Product: Drivers Version: 2.5 Kernel Version: 4.9.12 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Bluetooth Assignee: linux-bluetooth@xxxxxxxxxxxxxxx Reporter: lord.phoenix.rus@xxxxxxxxx CC: linuxwifi@xxxxxxxxx Regression: No Created attachment 255043 --> https://bugzilla.kernel.org/attachment.cgi?id=255043&action=edit dmesg log and iwl-dump I'm having problem with Microsoft Surface Ergonomic Keyboard which uses BT 4 LE as far as I can tell. The problem is that once keyboard is connected and no keys are pressed for a few second, connection hangs and bluetooth becomes unresponsive. Turning bluetooth off/on or running "hciconfig hci0 reset" restores bluetooth operations, but if keyboards connects again, cycle repeats. If I turn off Wi-Fi, keyboard works fine indefinitely. If I connect keyboard and will type without pauses, it will also works, e.g. the problem occurs when devices goes to LE mode. This also used to work on old firmware (fresh Fedora (as of 1.5 months ago) installation without updates to latest), although now I don't know what version was used in Fedora since they've rebased it recently. I'm running Fedora 25 on Lenovo T460p. [agurenko@machine]$ ethtool -i wlp3s0 | grep firmware firmware-version: 27.469073.0 Please find dmesg and dump attached -- You are receiving this mail because: You are the assignee for the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
