During testing, we can found disconnect log in dmesg and not plugin/connect info:
Feb 19 21:14:16 sysadmin kernel: [ 1156.328006] usb 1-7.1: USB disconnect, device number 3 Feb 19 21:17:01 sysadmin CRON[6201]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Feb 19 21:22:15 sysadmin systemd-sysctl[1446]: Not setting net/ipv4/conf/all/promote_secondaries (explicit setting exists). Feb 19 21:22:15 sysadmin systemd-sysctl[1446]: Not setting net/ipv4/conf/default/promote_secondaries (explicit setting exists). Feb 19 21:22:15 sysadmin kernel: [ 0.000000] Linux version 5.4.0-26-generic (buildd@lcy01-amd64-029) (gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)) #30-Ubuntu SMP Mon Apr 20 16:58:30 UTC 2020 (Ubuntu 5.4.0-26.30-generic 5.4.30) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/2008050 Title: bmc virtual usb keyboard/mouse can't be detected when resting bmc Status in linux-hwe-5.4 package in Ubuntu: New Bug description: In zte server, when reseting bmc or reload virtual keyboard/mouse driver in BMC, the keyboard/mouse on KVM will be hanged, it can resume working after reboot host OS which is Ubuntu 20.04 ga-kernel. This wouldn't happen on CentOS with kernel of 3.10.0-1160.317.x86_64, the keyboard/mouse of KVM keeps working when resting ibm. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.4/+bug/2008050/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
