Hi, That gives: Continuing with the following parameters: KERNEL: [/home/colin/100051-karo/fsl-community-bsp/buildq/tmp/deploy/images/qemux86- 64/bzImage-qemux86-64.bin] ROOTFS: [/home/colin/100051-karo/fsl-community-bsp/buildq/tmp/deploy/images/qemux86- 64/core-image-qemu-qemux86-64-20170124145819.rootfs.ext4] FSTYPE: [ext4] Setting up tap interface under sudo [sudo] password for colin: Acquiring lockfile for tap0... Interrupt character is '^]' -net nic,model=virtio -net tap,vlan=0,ifname=tap0,script=no,downscript=no -cpu core2duo -drive file=/home/colin/100051-karo/fsl-community-bsp/buildq/tmp/deploy/images/qemu x86-64/core-image-qemu-qemux86-64-20170124145819.rootfs.ext4,if=virtio,forma t=raw -show-cursor -usb -usbdevice wacom-tablet -vga vmware -nographic -serial stdio -m 256 Running qemu-system-x86_64... /home/colin/100051-karo/fsl-community-bsp/buildq/tmp/sysroots/x86_64-linux/u sr/bin/qemu-system-x86_64 -kernel /home/colin/100051-karo/fsl-community-bsp/buildq/tmp/deploy/images/qemux86-6 4/bzImage-qemux86-64.bin -net nic,model=virtio -net tap,vlan=0,ifname=tap0,script=no,downscript=no -cpu core2duo -drive file=/home/colin/100051-karo/fsl-community-bsp/buildq/tmp/deploy/images/qemu x86-64/core-image-qemu-qemux86-64-20170124145819.rootfs.ext4,if=virtio,forma t=raw -show-cursor -usb -usbdevice wacom-tablet -vga vmware -no-reboot -nographic -serial stdio -m 256 -serial null --append "vga=0 uvesafb.mode_option=640x480-32 root=/dev/vda rw mem=256M ip=192.168.7.2::192.168.7.1:255.255.255.0 oprofile.timer=1 rootfstype=ext4 console=ttyS0 console=ttyS0" QEMU 2.4.0 monitor - type 'help' for more information (qemu) qemu-system-x86_64: -serial stdio: cannot use stdio by multiple character devices Set 'tap0' nonpersistent Releasing lockfile of preconfigured tap device 'tap0'
-----Original Message----- From: yocto-boun...@yoctoproject.org [mailto:yocto-boun...@yoctoproject.org] On Behalf Of Khem Raj Sent: 27 January 2017 02:10 To: yocto@yoctoproject.org Subject: Re: [yocto] QEMU with host USB serial On 1/26/17 6:22 AM, colin.helliw...@ln-systems.com wrote: > I'm investigating using qemu to give us some test capability, for > which we need to use the host's serial devices. > > I have a qemu build which boots up fine; I'm trying to give it access > to the host USB. To keep it simple(r), I've seen mention of FTDI's > device > (0403:6001) in the qemu source so that's what I've plugged in. I've > done a 'chmod me:me' on the relevant /dev/bus/usb/xxx/yyy node. > > > > I can't though figure out what options I should be passing to runqemu > to hook this in. I daresay I may need bootparams too, but am first > just trying to get past 'qemuparams'. > > As a starting point, I'm trying things like > > runqemu qemux86-64 nographic qemuparams="-usbdevice serial" can you try with runqemu qemux86-64 nographic serial -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto