Date: Wed, 12 Feb 2020 20:25:42 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 244079] QEMU / KVM Q35 USB Tablet (EVTouch) input device not captured by evdev Message-ID: <bug-244079-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244079 Bug ID: 244079 Summary: QEMU / KVM Q35 USB Tablet (EVTouch) input device not captured by evdev Product: Base System Version: 12.1-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: drum@graphica.com.au BUG: The QEMU EvTouch USB Graphics Tablet is not one of devices that is captured and available via /dev/input/event* The impact of this is that you cannot get X11 evadev pointer device support to work with FreeBSD 12.1 running on QEMU / KVM / Q35 . TESTING: Running FreeBSD 12.1 on: QEMU / KVM / OVMF / Q35 VM with EvTouch USB Graphics Tablet connected. Boot shows that devices is connected: <<DMESG USB REPORT>> # dmesg | grep USB uhci0: <Intel 82801I (ICH9) USB controller> port 0xb0a0-0xb0bf irq 16 at device 29.0 on pci0 uhci1: <Intel 82801I (ICH9) USB controller> port 0xb080-0xb09f irq 17 at device 29.1 on pci0 uhci2: <Intel 82801I (ICH9) USB controller> port 0xb060-0xb07f irq 18 at device 29.2 on pci0 ehci0: <Intel 82801I (ICH9) USB 2.0 controller> mem 0xc8b83000-0xc8b83fff irq 19 at device 29.7 on pci0 usbus0: 12Mbps Full Speed USB v1.0 usbus2: usbus1: 12Mbps Full Speed USB v1.0 usbus3: 12Mbps Full Speed USB v1.0 480Mbps High Speed USB v2.0 ugen3.2: <QEMU QEMU USB Keyboard> at usbus3 ukbd0: <QEMU QEMU USB Keyboard, class 0/0, rev 2.00/0.00, addr 2> on usbus3 ugen3.3: <QEMU QEMU USB Mouse> at usbus3 ugen3.4: <QEMU QEMU USB Tablet> at usbus3 ums0: <QEMU QEMU USB Mouse, class 0/0, rev 2.00/0.00, addr 3> on usbus3 uhid0: <QEMU QEMU USB Tablet, class 0/0, rev 2.00/0.00, addr 4> on usbus3 <<DMESG USB REPORT>> So QEMU USB Tablet is found and connected to device /dev/uhid0 However it does not appear in set of evdev captured devices <<EVDEV DEVICE INFO>> # python3.7 -m evdev.evtest ID Device Name Phys Uniq ------------------------------------------------------------------------------------------------------------------------------------------ 0 /dev/input/event0 System keyboard multiplexer kbdmux0 1 /dev/input/event1 System mouse sysmouse 2 /dev/input/event2 AT keyboard atkbd0 3 /dev/input/event3 IntelliMouse Explorer psm0 4 /dev/input/event4 QEMU QEMU USB Keyboard, class 0/0, rev 2.00/0.00, addr 2 ukbd0 68284-0000:00:1d.7-1 5 /dev/input/event5 QEMU QEMU USB Mouse, class 0/0, rev 2.00/0.00, addr 3 ums0 89126-0000:00:1d.7-4 Select devices [0-5]: <<END EVDEV DEVICE INFO>> NOTE: Kernel build with netmap disabled kernel due to this bug: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241774) EXPECTED BEHAVIOUR: QEMU USB Tablet should also be one of devices captured with input data available via /dev/input/event* device Please let me know if you need additional testing to help with diagnosis. I am reporting this as effecting many people as flow through to lack of EvTouch USB support much discussed issues when doing web search. This bug reports potential root cause fix. -- You are receiving this mail because: You are the assignee for the bug.help
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