On Tue, Mar 22, 2022 at 10:10:46AM +0800, Zongmin Zhou wrote: > Details: > When I use VirtualPS/2 VMMouse on virtual machine,There will be an error message after resume from suspend mode. > like below: > psmouse serio1: vmmouse: Unable to re-enable mouse when reconnecting, err: -6 > And vmmouse will be unusable，so have to do full rescan to find a another driver to use for the port. > > This error is due to QEMU still generate PS2 events to notify kernel driver to read from queue, > but kernel can't process the data in suspend mode, resulting a surge of s->nb_queue value, > which ultimately led to an error getting VMMOUSE_VERSION_ID after resume. > > Test scenario: > 1)virtual machine started with qemu command "vmport=on",it will use VirtualPS/2 VMMouse > 2)click suspend botton to enter suspend mode > 3)resume and will get the error message from dmesg > > Fixed by: > Disabling the vmmouse in its reset handler,It will notify qemu to stop vmmouse and remove handler. > > Signed-off-by: Zongmin Zhou<zhouzongmin@xxxxxxxxxx> Applied, thank you. -- Dmitry
