- Devel - libvirt List Archives

[Libvir] [RFC] Host and guest capabilities
by Richard W.M. Jones 07 Mar '07

07 Mar '07

I've been looking into the parts of virtinst which try to probe the capabilities of the host directly, rather than being abstracted through libvirt (for example, opening and parsing /sys/hypervisor/properties/capabilities directly). Attached is a proposed API for probing the capabilities and supported guest architectures of the hypervisor / driver. I've implemented the virCapabilities part already. My original implementation of the guest architectures had virCapabilities containing a list of supported architectures, but that doesn't nearly cover the richness of what the underlying drivers could support, so I'm currently separating that out into a separate virConnectGetGuestArchitectures call. Let me know your opinions of this API. As an aside, the current virt-manager "choose paravirt / fullvirt" screen doesn't really capture the full, shall I say, ugliness of the possible choices for architecture, particularly when we add qemu, kqemu, and emulation in the mix. I suspect that presenting a list of architectures here, perhaps with some options to show only paravirt, show only fullvirt, show only accelerated ... Rich. -- Emerging Technologies, Red Hat http://et.redhat.com/~rjones/ 64 Baker Street, London, W1U 7DF Mobile: +44 7866 314 421 "[Negative numbers] darken the very whole doctrines of the equations and make dark of the things which are in their nature excessively obvious and simple" (Francis Maseres FRS, mathematician, 1759)

3 6

[Libvir] Patch: Fix documentation and code of virGetDomain function
by Richard W.M. Jones 07 Mar '07

07 Mar '07

It turns out that you _can't_ pass name=NULL to virGetDomain, despite what the docs say. Rich. -- Emerging Technologies, Red Hat http://et.redhat.com/~rjones/ 64 Baker Street, London, W1U 7DF Mobile: +44 7866 314 421 "[Negative numbers] darken the very whole doctrines of the equations and make dark of the things which are in their nature excessively obvious and simple" (Francis Maseres FRS, mathematician, 1759)

5 6

[Libvir] About the 'virsh start'
by Yoshihiko Yaegashi 07 Mar '07

07 Mar '07

Hi, The command 'virsh start' fails under the following conditions. - architecture:x86_64 - PV domain (f7test2) - After the install are done I attach a xend.log to a message. Thanks Yaegashi [2007-03-07 07:11:12 xend 30702] DEBUG (SrvDomain:76) Starting domain fc7test2 False [2007-03-07 07:11:12 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1288) XendDomainInfo.constructDomain [2007-03-07 07:11:12 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1334) XendDomainInfo.initDomain: 71 256 [2007-03-07 07:11:12 xend 19603] DEBUG (XendBootloader:64) Launching bootloader as ['/usr/bin/pygrub', '-q', '--output=/var/run/xend/boot/xenbl.16058', '/dev/sda13']. [2007-03-07 07:11:12 xend 30702] DEBUG (balloon:127) Balloon: 717020 KiB free; need 358400; done. [2007-03-07 07:11:12 xend 30702] INFO (image:125) buildDomain os=linux dom=71 vcpus=1 [2007-03-07 07:11:12 xend 30702] DEBUG (image:194) domid = 71 [2007-03-07 07:11:12 xend 30702] DEBUG (image:195) memsize = 350 [2007-03-07 07:11:12 xend 30702] DEBUG (image:196) image = /var/run/xend/boot/boot_kernel.EMjGRe [2007-03-07 07:11:12 xend 30702] DEBUG (image:197) store_evtchn = 1 [2007-03-07 07:11:12 xend 30702] DEBUG (image:198) console_evtchn = 2 [2007-03-07 07:11:12 xend 30702] DEBUG (image:199) cmdline = ro root=/dev/VolGroup00/LogVol00 rhgb quiet [2007-03-07 07:11:12 xend 30702] DEBUG (image:200) ramdisk = /var/run/xend/boot/boot_ramdisk.tAzsxc [2007-03-07 07:11:12 xend 30702] DEBUG (image:201) vcpus = 1 [2007-03-07 07:11:12 xend 30702] DEBUG (image:202) features = [2007-03-07 07:11:13 xend.XendDomainInfo 30702] INFO (XendDomainInfo:1198) createDevice: vif : {'bridge': 'xenbr0', 'mac': '00:16:3e:08:28:23', 'script': 'vif-bridge', 'uuid': '8df737da-edfa-83e9-614b-61c7ba127165', 'backend': 0} [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:115) DevController: writing {'backend-id': '0', 'mac': '00:16:3e:08:28:23', 'handle': '0', 'state': '1', 'backend': '/local/domain/0/backend/vif/71/0'} to /local/domain/71/device/vif/0. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:117) DevController: writing {'bridge': 'xenbr0', 'domain': 'fc7test2', 'handle': '0', 'uuid': '8df737da-edfa-83e9-614b-61c7ba127165', 'script': '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend': '/local/domain/71/device/vif/0', 'mac': '00:16:3e:08:28:23', 'online': '1', 'frontend-id': '71'} to /local/domain/0/backend/vif/71/0. [2007-03-07 07:11:13 xend.XendDomainInfo 30702] INFO (XendDomainInfo:1198) createDevice: vbd : {'uuid': 'd04e0343-9479-2279-4b51-0b284bdd7f4c', 'driver': 'paravirtualised', 'dev': 'xvda:disk', 'uname': 'phy:/dev/sda13', 'mode': 'w', 'backend': 0} [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:115) DevController: writing {'backend-id': '0', 'virtual-device': '51712', 'device-type': 'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/71/51712'} to /local/domain/71/device/vbd/51712. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:117) DevController: writing {'domain': 'fc7test2', 'frontend': '/local/domain/71/device/vbd/51712', 'uuid': 'd04e0343-9479-2279-4b51-0b284bdd7f4c', 'dev': 'xvda', 'state': '1', 'params': '/dev/sda13', 'mode': 'w', 'online': '1', 'frontend-id': '71', 'type': 'phy'} to /local/domain/0/backend/vbd/71/51712. [2007-03-07 07:11:13 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1719) Storing VM details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid': 'ff828d32-70b2-53eb-4566-d08683974052', 'name': 'fc7test2', 'on_reboot': 'restart', 'start_time': '1173219073.18', 'on_poweroff': 'destroy', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '350', 'image': "(linux (kernel /var/run/xend/boot/boot_kernel.EMjGRe) (ramdisk /var/run/xend/boot/boot_ramdisk.tAzsxc) (args 'ro root=/dev/VolGroup00/LogVol00 rhgb quiet'))", 'maxmem': '350'} [2007-03-07 07:11:13 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '419357', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '71', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '419358', 'store/port': '1'} [2007-03-07 07:11:13 xend 30702] DEBUG (XendDomain:428) Adding Domain: 71 [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices vif. [2007-03-07 07:11:13 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '419357', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '71', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '419358', 'store/port': '1'} [2007-03-07 07:11:13 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:798) XendDomainInfo.handleShutdownWatch [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:153) Waiting for 0. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:522) hotplugStatusCallback /local/domain/0/backend/vif/71/0/hotplug-status. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:522) hotplugStatusCallback /local/domain/0/backend/vif/71/0/hotplug-status. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:536) hotplugStatusCallback 1. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices usb. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices vbd. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:153) Waiting for 51712. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:522) hotplugStatusCallback /local/domain/0/backend/vbd/71/51712/hotplug-status. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:522) hotplugStatusCallback /local/domain/0/backend/vbd/71/51712/hotplug-status. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:536) hotplugStatusCallback 1. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices irq. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices vkbd. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices vfb. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices pci. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices ioports. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices tap. [2007-03-07 07:11:13 xend 30702] DEBUG (DevController:148) Waiting for devices vtpm. [2007-03-07 07:11:17 xend.XendDomainInfo 30702] WARNING (XendDomainInfo:950) Domain has crashed: name=fc7test2 id=71. [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '419357', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '71', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '419358', 'store/port': '1'} [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '419357', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '71', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '419358', 'store/port': '1'} [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1495) XendDomainInfo.destroyDomain(71) [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:94) XendDomainInfo.create(['domain', ['domid', 71], ['on_crash', 'restart'], ['memory', 350], ['uuid', 'ff828d32-70b2-53eb-4566-d08683974052'], ['bootloader_args', ''], ['name', 'fc7test2'], ['maxmem', 350], ['on_reboot', 'restart'], ['on_poweroff', 'destroy'], ['localtime', 0], ['vcpus', 1], ['bootloader', '/usr/bin/pygrub'], ['shadow_memory', 0], ['vcpu_avail', 1], ['cpu_weight', 256], ['cpu_cap', 0], ['features', ''], ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['start_time', 1173219073.1766889], ['cpu_time', 0.14879309900000001], ['online_vcpus', 1], ['image', ['linux', ['kernel', '/var/run/xend/boot/boot_kernel.EMjGRe'], ['ramdisk', '/var/run/xend/boot/boot_ramdisk.tAzsxc'], ['args', 'ro root=/dev/VolGroup00/LogVol00 rhgb quiet']]], ['status', 0], ['memory_dynamic_min', 350], ['memory_dynamic_max', 350], ['state', '----c-'], ['store_mfn', 419358], ['console_mfn', 419357], ['device', ['vif', ['bridge', 'xenbr0'], ['mac', '00:16:3e:08:28:23'], ['script', 'vif-bridge'], ['uuid', '8df737da-edfa-83e9-614b-61c7ba127165'], ['backend', 0]]], ['device', ['vbd', ['uname', 'phy:/dev/sda13'], ['uuid', 'd04e0343-9479-2279-4b51-0b284bdd7f4c'], ['mode', 'w'], ['dev', 'xvda:disk'], ['backend', 0]]]]) [2007-03-07 07:11:17 xend.XendConfig 30702] WARNING (XendConfig:607) Unconverted key: cpus [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1288) XendDomainInfo.constructDomain [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1334) XendDomainInfo.initDomain: 72 256 [2007-03-07 07:11:17 xend 19768] DEBUG (XendBootloader:64) Launching bootloader as ['/usr/bin/pygrub', '-q', '--output=/var/run/xend/boot/xenbl.1059', '/dev/sda13']. [2007-03-07 07:11:17 xend 30702] DEBUG (balloon:127) Balloon: 447020 KiB free; need 358400; done. [2007-03-07 07:11:17 xend 30702] INFO (image:125) buildDomain os=linux dom=72 vcpus=1 [2007-03-07 07:11:17 xend 30702] DEBUG (image:194) domid = 72 [2007-03-07 07:11:17 xend 30702] DEBUG (image:195) memsize = 350 [2007-03-07 07:11:17 xend 30702] DEBUG (image:196) image = /var/run/xend/boot/boot_kernel.yBt3-v [2007-03-07 07:11:17 xend 30702] DEBUG (image:197) store_evtchn = 1 [2007-03-07 07:11:17 xend 30702] DEBUG (image:198) console_evtchn = 2 [2007-03-07 07:11:17 xend 30702] DEBUG (image:199) cmdline = ro root=/dev/VolGroup00/LogVol00 rhgb quiet [2007-03-07 07:11:17 xend 30702] DEBUG (image:200) ramdisk = /var/run/xend/boot/boot_ramdisk.JK64t5 [2007-03-07 07:11:17 xend 30702] DEBUG (image:201) vcpus = 1 [2007-03-07 07:11:17 xend 30702] DEBUG (image:202) features = [2007-03-07 07:11:17 xend.XendDomainInfo 30702] INFO (XendDomainInfo:1198) createDevice: vif : {'bridge': 'xenbr0', 'mac': '00:16:3e:08:28:23', 'script': 'vif-bridge', 'uuid': '8df737da-edfa-83e9-614b-61c7ba127165', 'backend': 0} [2007-03-07 07:11:17 xend 30702] DEBUG (DevController:115) DevController: writing {'backend-id': '0', 'mac': '00:16:3e:08:28:23', 'handle': '0', 'state': '1', 'backend': '/local/domain/0/backend/vif/72/0'} to /local/domain/72/device/vif/0. [2007-03-07 07:11:17 xend 30702] DEBUG (DevController:117) DevController: writing {'bridge': 'xenbr0', 'domain': 'fc7test2', 'handle': '0', 'uuid': '8df737da-edfa-83e9-614b-61c7ba127165', 'script': '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend': '/local/domain/72/device/vif/0', 'mac': '00:16:3e:08:28:23', 'online': '1', 'frontend-id': '72'} to /local/domain/0/backend/vif/72/0. [2007-03-07 07:11:17 xend.XendDomainInfo 30702] INFO (XendDomainInfo:1198) createDevice: vbd : {'uuid': 'd04e0343-9479-2279-4b51-0b284bdd7f4c', 'driver': 'paravirtualised', 'dev': 'xvda:disk', 'uname': 'phy:/dev/sda13', 'mode': 'w', 'backend': 0} [2007-03-07 07:11:17 xend 30702] DEBUG (DevController:115) DevController: writing {'backend-id': '0', 'virtual-device': '51712', 'device-type': 'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/72/51712'} to /local/domain/72/device/vbd/51712. [2007-03-07 07:11:17 xend 30702] DEBUG (DevController:117) DevController: writing {'domain': 'fc7test2', 'frontend': '/local/domain/72/device/vbd/51712', 'uuid': 'd04e0343-9479-2279-4b51-0b284bdd7f4c', 'dev': 'xvda', 'state': '1', 'params': '/dev/sda13', 'mode': 'w', 'online': '1', 'frontend-id': '72', 'type': 'phy'} to /local/domain/0/backend/vbd/72/51712. [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1719) Storing VM details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid': 'ff828d32-70b2-53eb-4566-d08683974052', 'name': 'fc7test2', 'on_reboot': 'restart', 'start_time': '1173219077.8', 'on_poweroff': 'destroy', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '350', 'image': "(linux (kernel /var/run/xend/boot/boot_kernel.yBt3-v) (ramdisk /var/run/xend/boot/boot_ramdisk.JK64t5) (args 'ro root=/dev/VolGroup00/LogVol00 rhgb quiet'))", 'maxmem': '350'} [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '467281', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '72', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '467282', 'store/port': '1'} [2007-03-07 07:11:17 xend 30702] DEBUG (XendDomain:428) Adding Domain: 72 [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '467281', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '72', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '467282', 'store/port': '1'} [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:798) XendDomainInfo.handleShutdownWatch [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '467281', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '72', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '467282', 'store/port': '1'} [2007-03-07 07:11:17 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '467281', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '72', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '467282', 'store/port': '1'} [2007-03-07 07:11:21 xend.XendDomainInfo 30702] WARNING (XendDomainInfo:950) Domain has crashed: name=fc7test2 id=72. [2007-03-07 07:11:21 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:731) Storing domain details: {'console/ring-ref': '467281', 'console/port': '2', 'name': 'fc7test2', 'console/limit': '1048576', 'vm': '/vm/ff828d32-70b2-53eb-4566-d08683974052', 'domid': '72', 'cpu/0/availability': 'online', 'memory/target': '358400', 'store/ring-ref': '467282', 'store/port': '1'} [2007-03-07 07:11:21 xend.XendDomainInfo 30702] ERROR (XendDomainInfo:1079) VM fc7test2 restarting too fast (4.709960 seconds since the last restart). Refusing to restart to avoid loops. [2007-03-07 07:11:21 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1487) XendDomainInfo.destroy: domid=72 [2007-03-07 07:11:21 xend.XendDomainInfo 30702] DEBUG (XendDomainInfo:1495) XendDomainInfo.destroyDomain(72)

1 0

Re: [Libvir] [PATCH][RFC] Add --keymap option to virt-install
by Takahashi Tomohiro 07 Mar '07

07 Mar '07

Hi, Dan Thank you for committing a patch. I confirmed that I can use jp106 keyboard on HVM domain, and the keymap that is configured in the XML. when I used latest patch(revision 1.435). Thanks, Tomohiro Takahashi. > On Tue, Mar 06, 2007 at 03:21:16PM +0000, Daniel P. Berrange wrote: >> On Tue, Mar 06, 2007 at 10:00:08PM +0900, Takahashi Tomohiro wrote: >> > I would like to add --keymap option to virt-install in order to set up >> > jp106 keymap. Because I can't use jp106 keyboard. So, I made a patch >> > (notes:It relates python-virtinst) >> > >> > Usage: virt-install --keymap=ja >> > >> > I confirmed that I can use jp106 keyboard on HVM domain. >> > But didn't confirm PV domain. >> > >> > Please give me an advice, if you have it. >> >> I've been expecting someone to send this patch for quite a while :-) >> >> It all looks good to me, although all my keyboards are US english >> so my own testing will be limited to making sure the keymap gets >> passed through to the QEMU daemon correctly. For paravirt, I think >> you need to have Xen 3.0.5 to use keymap, but I'll double check >> that and then apply this. >> >> > @@ -1903,6 +1907,8 @@ virConfPtr xenXMParseXMLToConfig(virConn >> > len += 11 + strlen((const char*)vnclisten); >> > if (vncpasswd) >> > len += 11 + strlen((const char*)vncpasswd); >> > + if (keymap) >> > + len += 11 + strlen((const char*)keymap); >> > if ((val = malloc(len)) != NULL) { >> > strcpy(val, "type=vnc"); >> > if (vncunused) { >> >> A minor bug - the length is only 8, not 11, but I'll fix that when I >> commit, so don't worry about sending an updated patch. > > Ok, this is now committed - I also extended the XML generation code so > that it will report back the keymap that is configured in the XML > dump, as well as updating the test suite to check the handling. > > Dan. > -- > |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 > 2496 -=| > |=- Perl modules: > .cpan.org/~danberr/ -=| > |=- Projects: > at.net/~danielpb/ -=| > |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B > 505 -=| >

1 0

[Libvir] [PATCH] lots of warnings removed - libvirt can now compile with -Werror
by Richard W.M. Jones 06 Mar '07

06 Mar '07

For a completely clean build you need to also apply the previous patch[1]. Rich. [1] https://www.redhat.com/archives/libvir-list/2007-March/msg00030.html and see also Mark's reply. -- Emerging Technologies, Red Hat http://et.redhat.com/~rjones/ 64 Baker Street, London, W1U 7DF Mobile: +44 7866 314 421 "[Negative numbers] darken the very whole doctrines of the equations and make dark of the things which are in their nature excessively obvious and simple" (Francis Maseres FRS, mathematician, 1759)

3 3

[Libvir] PATCH: Process QEMU monitor at startup
by Daniel P. Berrange 06 Mar '07

06 Mar '07

With the current QEMU driver we simply spawn the QEMU process and return to the caller immediately. If the QEMU process dies immediately for some reason the user will never no - their domain will simply never appear. To address this, the attached patch will spawn the QEMU process and then immeditely process stderr to look for the monitor PTY - or EOF indicating failure. If it finds the monitor it will also try to connect to it - if this fails in any way then the domain is terminated with extreme prejudice - we absolutely need the monitor connection for other operations to work. This should at least cause a 'Domain startup failed' message to be returned to the user although more work is needed to try and extract a useful error message from the stuff written to stderr. Also in this patch I have reversed the order in which file descriptors are added to the poll array. Currently they are added server, then client, then VMs. The trouble with this is that when processing the server event, if a new client is added to the daemon then processing of subsequent FDs is out of sync. Likewise if a client message causes a new VM to startup then processing of subsquent VM FDs is out of sync. Reversing the order trivially solves it, because VM FDs s are now processed before client FDs, and thus any new VMs started by a client don't mess things up. Likewise client FDs are processed before server FDs. A more robust long term fix would be to carry around some extra metadata instead of relying on ordering when dispatching events. Finally this patch also fixes the 'resume' operation, and allows for the VM state to be reported correctly - ie we can now report 'paused' as well as shutdown/running. Dan. -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=|

2 9

[Libvir] [PATCH][RFC] Add --keymap option to virt-install
by Takahashi Tomohiro 06 Mar '07

06 Mar '07

Hi, I would like to add --keymap option to virt-install in order to set up jp106 keymap. Because I can't use jp106 keyboard. So, I made a patch (notes:It relates python-virtinst) Usage: virt-install --keymap=ja I confirmed that I can use jp106 keyboard on HVM domain. But didn't confirm PV domain. Please give me an advice, if you have it. Signed-off-by: Tomohiro Takahashi <takatom(a)jp.fujitsu.com> Thanks, Tomohiro Takahashi. ================================================================================== diff -uNrp ./libvirt.orig/src/xml.c ./libvirt/src/xml.c --- ./libvirt.orig/src/xml.c 2007-02-15 01:22:02.000000000 +0900 +++ ./libvirt/src/xml.c 2007-03-06 20:17:38.000000000 +0900 @@ -246,6 +246,7 @@ static int virDomainParseXMLGraphicsDesc xmlChar *vncport = xmlGetProp(node, BAD_CAST "port"); xmlChar *vnclisten = xmlGetProp(node, BAD_CAST "listen"); xmlChar *vncpasswd = xmlGetProp(node, BAD_CAST "passwd"); + xmlChar *keymap = xmlGetProp(node, BAD_CAST "keymap"); if (vncport != NULL) { long port = strtol((const char *)vncport, NULL, 10); if (port == -1) @@ -262,6 +263,10 @@ static int virDomainParseXMLGraphicsDesc virBufferVSprintf(buf, "(vncpasswd %s)", vncpasswd); xmlFree(vncpasswd); } + if (keymap != NULL) { + virBufferVSprintf(buf, "(keymap %s)", keymap); + xmlFree(keymap); + } } } xmlFree(graphics_type); @@ -305,6 +310,7 @@ static int virDomainParseXMLGraphicsDesc xmlChar *vncport = xmlGetProp(node, BAD_CAST "port"); xmlChar *vnclisten = xmlGetProp(node, BAD_CAST "listen"); xmlChar *vncpasswd = xmlGetProp(node, BAD_CAST "passwd"); + xmlChar *keymap = xmlGetProp(node, BAD_CAST "keymap"); if (vncport != NULL) { long port = strtol((const char *)vncport, NULL, 10); if (port == -1) @@ -321,6 +327,10 @@ static int virDomainParseXMLGraphicsDesc virBufferVSprintf(buf, "(vncpasswd %s)", vncpasswd); xmlFree(vncpasswd); } + if (keymap != NULL) { + virBufferVSprintf(buf, "(keymap %s)", keymap); + xmlFree(keymap); + } } virBufferAdd(buf, "))", 2); xmlFree(graphics_type); diff -uNrp ./libvirt.orig/src/xm_internal.c ./libvirt/src/xm_internal.c --- ./libvirt.orig/src/xm_internal.c 2007-02-23 17:51:30.000000000 +0900 +++ ./libvirt/src/xm_internal.c 2007-03-06 20:20:32.000000000 +0900 @@ -1863,6 +1863,9 @@ virConfPtr xenXMParseXMLToConfig(virConn if (xenXMConfigSetStringFromXPath(conn, conf, ctxt, "vncpasswd", "string(/domain/devices/graphics[@type='vnc']/@passwd)", 1, "cannot set the vncpasswd parameter") < 0) goto error; + if (xenXMConfigSetStringFromXPath(conn, conf, ctxt, "keymap", "string(/domain/devices/graphics[@type='vnc']/@keymap)", 1, + "cannot set the vncpasswd parameter") < 0) + goto error; /* XXX vncdisplay */ /* @@ -1894,6 +1897,7 @@ virConfPtr xenXMParseXMLToConfig(virConn xmlChar *vncport = xmlGetProp(obj->nodesetval->nodeTab[i], BAD_CAST "port"); xmlChar *vnclisten = xmlGetProp(obj->nodesetval->nodeTab[i], BAD_CAST "listen"); xmlChar *vncpasswd = xmlGetProp(obj->nodesetval->nodeTab[i], BAD_CAST "passwd"); + xmlChar *keymap = xmlGetProp(obj->nodesetval->nodeTab[i], BAD_CAST "keymap"); int vncunused = vncport ? (!strcmp((const char*)vncport, "-1") ? 1 : 0) : 1; if (vncunused) len += 12; @@ -1903,6 +1907,8 @@ virConfPtr xenXMParseXMLToConfig(virConn len += 11 + strlen((const char*)vnclisten); if (vncpasswd) len += 11 + strlen((const char*)vncpasswd); + if (keymap) + len += 11 + strlen((const char*)keymap); if ((val = malloc(len)) != NULL) { strcpy(val, "type=vnc"); if (vncunused) { @@ -1923,6 +1929,11 @@ virConfPtr xenXMParseXMLToConfig(virConn strcat(val, (const char*)vncpasswd); xmlFree(vncpasswd); } + if (keymap) { + strcat(val, ",keymap="); + strcat(val, (const char*)keymap); + xmlFree(keymap); + } } } xmlFree(type);

2 2

[Libvir] [PATCH] add global --readonly flag to virsh
by Richard W.M. Jones 06 Mar '07

06 Mar '07

The current vshInit function in virsh tries some dodgy heuristics to see if it should connect readonly or read/write to the hypervisor. Unfortunately these heuristics fail, eg. when you have a root-owned system-wide qemud, and a user trying to run virsh as non-root. This patch removes the heuristics and replaces them with a simple -r | --readonly flag on the command line. If omitted, we try to connect read/write, otherwise we try to connect readonly. Note that this doesn't affect the "connect" command in the shell, which still has its own --readonly flag that is completely separate from this new global flag. Rich.

2 2

[Libvir] [PATCH] unlink roSockname, not sockname
by Richard W.M. Jones 06 Mar '07

06 Mar '07

Very trivial fix, but necessary because it prevents the qemu proxy from restarting. Rich. -- Emerging Technologies, Red Hat http://et.redhat.com/~rjones/ 64 Baker Street, London, W1U 7DF Mobile: +44 7866 314 421 "[Negative numbers] darken the very whole doctrines of the equations and make dark of the things which are in their nature excessively obvious and simple" (Francis Maseres FRS, mathematician, 1759)

2 1

[Libvir] Error when paravirtualization domain starts with virsh.
by Michel Gauthier 06 Mar '07

06 Mar '07

With the RHEL5 RC distribution on our IA64 platform (4 CPUs), when we use virsh to start a paravirtuailzation domain, we've got the following: virsh # list Id Name State ---------------------------------- 0 Domain-0 running virsh # create hndom2 Failed to get devices for domain hndom2 error: Failed to create domain from hndom2 virsh # list Id Name State ---------------------------------- 0 Domain-0 running 24 Domain-24 paused In spite of an error message, a domain named Domain-Id is created instead of the hndom2 domain. The corresponding XML configuration file is the following: <domain type="xen"> <name>hndom2</name> <os> <type>linux</type> <kernel>/boot/efi/efi/redhat/vmlinuz-2.6.18-8.el5xen</kernel> <root>/dev/hda1</root> <initrd>/boot/efi/efi/redhat/initrd-2.6.18-8.el5xenU.img</initrd> <cmdline>console=tty0 nomca 3 ide0=noprobe ide1=noprobe ide2=noprobe ide3=noprobe selinux=0</cmdline> </os> <memory>527360</memory> <currentMemory>393216</currentMemory> <vcpu>3</vcpu> <on_poweroff>restart</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <disk type="block"> <driver name="phy"/> <source dev="/dev/sda5"/> <target dev="/dev/hda1"/> </disk> <interface type="bridge"> <source bridge=""/> </interface> </devices> </domain> If the <currentMemory> tag is suppressed from the XML configuration file, all is OK. This behaviour appears with the libvirt version 0.1.8 released with the RHEL5 RC, and also with the libvirt version 0.1.10. Are you aware of this problem? If you want some complementary infos (xend log), we can send it to you. Regards, Michel Gauthier.

3 3