[Bug 282920] usbhid: qemu Keyboard doesn't work with qemu-xhci
Date: Fri, 22 Nov 2024 13:48:00 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282920
Bug ID: 282920
Summary: usbhid: qemu Keyboard doesn't work with qemu-xhci
Product: Base System
Version: 15.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: bugs@FreeBSD.org
Reporter: manu@freebsd.org
It seems that usbhid doesn't like qemu keyboard when using qemu-xhci (it works
with usb-ehci).
How to reproduce :
Start a VM with
qemu-system-x86_64 -hda diskimage -device qemu-xhci -device usb-kdb -serial
stdio
The keyboard is unresponsive.
diskimage is simply FreeBSD-15.0-CURRENT-amd64-ufs.raw with usbhid_enable set
to 1 in the kernel (It's probably the same with original image with the tunable
set, will test later).
Recompiling a kernel with options USB_DEBUG and setting it to 15 gives :
ugen0.2: <QEMU QEMU USB Keyboard> at usbus0
usbhid_probe:
usbhid_probe:
usbhid0 on uhub0
usbhid_attach: sc=0xfffff80003412800
usbhid0: <QEMU QEMU USB Keyboard, class 0/0, rev 2.00/0.00, addr 1> on usbus0
hidbus0: <HID bus> on usbhid0
hkbd0: <QEMU QEMU USB Keyboard> on hidbus0
usbhid_ctrl_callback: error=USB_ERR_SHORT_XFER
usbhid_sync_xfer: USB IO error:5
usbhid_ctrl_callback: error=USB_ERR_SHORT_XFER
usbhid_sync_xfer: USB IO error:5
kbd2 at hkbd0
Dual Console: Video Primary, Serial Secondary
For each keypress on the keyboard I also have :
usbhid_intr_in_callback: transferred!
usbhid_intr_in_callback: transferred!
Let me know if anything else is needed
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