On 26 July 2016 at 09:34, Shannon Zhao <zhaoshenglong@xxxxxxxxxx> wrote: > Hi， > > Recently I'm trying to use usb keyboard and mouse with QEMU on ARM64. Below is my QEMU command line, > host and guest kernel both are 4.7.0-rc7+, and I ran it on Hikey board. > > qemu-system-aarch64 \ > -smp 1 -cpu host -enable-kvm \ > -m 256 -M virt \ > -k en-us \ > -nographic \ > -device usb-ehci -device usb-kbd -device usb-mouse -usb\ > -kernel Image \ > -initrd guestfs.cpio.gz \ > -append "rdinit=/sbin/init console=ttyAMA0 root=/dev/ram earlycon=pl011,0x9000000 rw" > > The following guest log shows that usb controller can be probed but the keyboard and mouse can't be > found. > > [ 1.597433] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > [ 1.599562] ehci-pci: EHCI PCI platform driver > [ 1.608082] ehci-pci 0000:00:03.0: EHCI Host Controller > [ 1.609485] ehci-pci 0000:00:03.0: new USB bus registered, assigned bus number 1 > [ 1.611833] ehci-pci 0000:00:03.0: irq 49, io mem 0x10041000 > [ 1.623599] ehci-pci 0000:00:03.0: USB 2.0 started, EHCI 1.00 > [ 1.625867] hub 1-0:1.0: USB hub found > [ 1.626906] hub 1-0:1.0: 6 ports detected > [ 1.628685] ehci-platform: EHCI generic platform driver > [ 1.630263] ehci-msm: Qualcomm On-Chip EHCI Host Controller > [ 1.631947] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver > [ 1.633547] ohci-pci: OHCI PCI platform driver > [ 1.634807] ohci-platform: OHCI generic platform driver > [...] > [ 1.939001] usb 1-1: new high-speed USB device number 2 using ehci-pci > [ 17.467040] usb 1-1: device not accepting address 2, error -110 > [ 17.579165] usb 1-1: new high-speed USB device number 3 using ehci-pci > [ 32.287242] random: dd urandom read with 7 bits of entropy available > [ 33.110970] usb 1-1: device not accepting address 3, error -110 > [ 33.223030] usb 1-1: new high-speed USB device number 4 using ehci-pci > [ 43.635185] usb 1-1: device not accepting address 4, error -110 > [ 43.747033] usb 1-1: new high-speed USB device number 5 using ehci-pci > [ 54.159043] usb 1-1: device not accepting address 5, error -110 > [ 54.160752] usb usb1-port1: unable to enumerate USB device > [ 54.307290] usb 1-2: new high-speed USB device number 6 using ehci-pci > [ 69.839052] usb 1-2: device not accepting address 6, error -110 > [ 69.951249] usb 1-2: new high-speed USB device number 7 using ehci-pci > [ 85.483171] usb 1-2: device not accepting address 7, error -110 > [ 85.595035] usb 1-2: new high-speed USB device number 8 using ehci-pci > [ 90.619247] usb 1-2: device descriptor read/8, error -110 > [ 95.743482] usb 1-2: device descriptor read/8, error -110 > [ 95.959165] usb 1-2: new high-speed USB device number 9 using ehci-pci > [ 106.371177] usb 1-2: device not accepting address 9, error -110 > [ 106.372894] usb usb1-port2: unable to enumerate USB device > > lsusb shows: > root@genericarmv8:~# lsusb > Bus 001 Device 001: ID 1d6b:0002 > > Besides, I have also tried QEMU TCG without KVM. The guest can successfully probe usb controller, > keyboard and mouse. > lsusb shows: > root@genericarmv8:~# lsusb > Bus 001 Device 002: ID 0627:0001 > Bus 001 Device 003: ID 0627:0001 > Bus 001 Device 001: ID 1d6b:0002 > > So it looks like that usb keyboard and mouse don't work with KVM on QEMU ARM64 while they can work > with TCG. IIUC, all the usb devices are emulated by QEMU, it has nothing with KVM. So it really > confused me and I'm not familiar with usb devices. Also I have seen someone else reports this issue > before[1]. > > [1]https://lists.gnu.org/archive/html/qemu-arm/2016-06/msg00110.html > > Any comments and help are welcome. Thanks in advance. > Does your QEMU have this patch? http://git.qemu.org/?p=qemu.git;a=commitdiff;h=5d636e21c44ecf982a22a7bc4ca89186079ac283 -- Ard. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
