[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: Is: Xen 4.1.1, xend, HVM, 3.1 kernel; Was:Re: [Xen-devel] xen 4.2 unstable; HVM; 2.6.39.3; HD/Network card error
On Tue, Nov 08, 2011 at 11:09:11AM +0000, Stefano Stabellini wrote: > On Mon, 7 Nov 2011, Konrad Rzeszutek Wilk wrote: > > > > XENBUS: Timeout connecting to device: device/vkbd/0 (local state 3, > > > > remote state 1) > > > > [which seems odds as the vkb from VNC looks to be working] > > > > > > Thanks for pointing this out: I enabled vkbd in upstream qemu but I > > > forgot to do the same in qemu-xen so as a result you would get failures > > > of this kind. > > > > Oh boy. Seems that there are a couple of issues here. It might be that the > > timeout I had experienced was _only_ related to this and the other were > > red-herrings. > > > > You might want to make sure M A Young and Stefan Bader are CC-ed on your > > Xen 4.1.1 > > patch so they can pull it in. > > Actually I have just realized that the vkbd feature couldn't possibly > have been backported to xen 4.1.1. In fact I didn't even add any vkbd > devices for HVM guests in XL in xen-unstable yet. > Of course this was to avoid situations like this one. > > So my guess is that when you use "vfb" in an HVM guest config file > you cause xend to create a vkbd device that is without backend. > A PV on HVM guest would try to connect to it but it wouldn't get any > response back so it would timeout. > > The solution to this problem is to avoid using vfb in the config file. I > strongly hope that the config file you showed us before is not generated > by libvirt somehow. If it is we need to file a bug against libvirt. It looks like it is: [root@phenom Mail]# virsh dumpxml f16_64 > /tmp/a [root@phenom Mail]# virsh domxml-to-native xen-xm /tmp/a name = "f16_64" uuid = "587ea6cf-8296-a4d3-86e2-d8afa991bd4b" maxmem = 1024 memory = 1024 vcpus = 1 builder = "hvm" kernel = "/usr/lib/xen/boot/hvmloader" boot = "c" pae = 1 acpi = 1 apic = 1 hap = 0 viridian = 0 localtime = 0 hpet = 0 on_poweroff = "destroy" on_reboot = "destroy" on_crash = "destroy" device_model = "/usr/lib64/xen/bin/qemu-dm" vfb = [ "type=vnc,vncunused=1,keymap=en-us" ] disk = [ "phy:/dev/vg_guest/f16_64,hda,w", "file:/mnt/iso/Fedora-16-x86_64-DVD.iso,hdc:cdrom,r" ] vif = [ "mac=00:16:3e:44:07:4b,bridge=switch,script=vif-bridge,vifname=vif7.0" ] parallel = "none" serial = "pty" > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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