On Mon, 2018-04-23 at 15:48 +0800, 孙得霖 wrote:
> Hello, I have some difficulties with spice-streaming-agent, can you help me.
>
>
> when I run spice-streaming-agent, it can not read_command(have_something_to_read always return 0).
> ./src/spice-streaming-agent.ccp:static int have_something_to_read(int timeout)
> {
> struct pollfd pollfd = {streamfd, POLLIN, 0};
>
>
> if (poll(&pollfd, 1, timeout) < 0) {
> syslog(LOG_ERR, "poll FAILED\n");
> return -1;
> }
>
>
> if (pollfd.revents == POLLIN) {
> return 1;
> }
>
>
> return 0;
> }
>
>
> system(centOS-7.2):
> # uname -a
> Linux localhost.localdomain 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
> cpuinfo:Intel(R) Xeon(R) CPU E3-1245 v6 @ 3.70GHz
>
>
>
>
> Steps as follows:
> 1.host command line:
> /usr/libexec/qemu-kvm -m 1024 -name f15 -drive file=/root/centos-base.img,if=virtio -vga qxl -spice port=5900,disable-ticketing -net nic,macaddr=00:A1:00:00:00:1A -net tap,script=/etc/qemu-ifup \
> -device virtio-serial-pci -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel1,id=channel1,name=org.spice-space.stream.0 -chardev spiceport,name=org.spice-space.stream.0,id=charchannel1
>
>
> Bus 'virtio-serial0.0' not found, So I delete "bus=virtio-serial0.0"(is it right?)
> /usr/libexec/qemu-kvm -m 1024 -name f15 -drive file=/root/centos-base.img,if=virtio -vga qxl -spice port=5900,disable-ticketing -net nic,macaddr=00:A1:00:00:00:1A -net tap,script=/etc/qemu-ifup \
> -device virtio-serial-pci -device virtserialport,nr=1,chardev=charchannel1,id=channel1,name=org.spice-space.stream.0 -chardev spiceport,name=org.spice-space.stream.0,id=charchannel1
>
>
> 2.start VM and install spice-streaming-agent:
> ./autogen
> make -j 8
> make install
>
>
> # ls /dev/virtio-ports/
> org.spice-space.stream.0
>
>
> 3.run spice-streaming-agent
>
>
> Have some questions:
> 1.spice-streaming-agent can not read_command, I don't know the reason for the failure.
> 2.How to check if the spice-streaming-agent works correctly（encode stream and send it to client）
Seems like nothing is writing to the port on the other side. Are you
sure you are using a version of spice-server that supports the
streaming agent? Lastest git master would probably be the best.
Cheers,
Lukas
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