search for: disk_try_backend

Hi,  I''m currently stuck with creating VM which cannot boot with disk using blktap2 driver. I''ve been searching nearly a whole week and I couldn''t get a answer. When creating vm with blktap2, it keep shows a error:   libxl: debug: libxl_device.c:200:disk_try_backend: Disk vdev=xvda, backend tap unsuitable because blktap not available.  VM configuration (XML): <domain type=''xen''>   <name>test</name>   <uuid>fed10f30-077d-4d2a-87aa-ccc76c290426</uuid>   <memory unit=''KiB''>524288</memory...

Package: xen-utils-common Version: 4.4.1-6 Severity: normal Dear Maintainer, (There appear to be several reports on the BTS with concerns relating to this report. Some unarchiving/merging may be necessary. Reassignment may be needed as well since I'm not sure which package this problem would fall under. Ultimately decided to file with xen-utils-common with 'xl' being the frontend

...</devices> </domain> Error.log libxl: debug: libxl_create.c:1342:do_domain_create: ao 0x7ff010003e00: create: how=(nil) callback=(nil) poller=0x7ff01000cb70 libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk vdev=hda spec.backend=tap libxl: debug: libxl_device.c:210:disk_try_backend: Disk vdev=hda, backend tap unsuitable because blktap not available libxl: error: libxl_device.c:289:libxl__device_disk_set_backend: no suitable backend for disk hda libxl: error: libxl_dm.c:1467:kill_device_model: unable to find device model pid in /local/domain/1151/image/device-model-pid libxl:...

...9:libxl__device_disk_set_backend: Disk vdev=hda spec.backend=unknown libxl: debug: libxl_device.c:265:libxl__device_disk_set_backend: Disk vdev=hda, using backend phy libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk vdev=hdc spec.backend=unknown libxl: debug: libxl_device.c:175:disk_try_backend: Disk vdev=hdc, backend phy unsuitable as phys path not a block device libxl: debug: libxl_device.c:184:disk_try_backend: Disk vdev=hdc, backend tap unsuitable because blktap not available libxl: debug: libxl_device.c:265:libxl__device_disk_set_backend: Disk vdev=hdc, using backend qdisk libxl: deb...

...xen/windows8 Parsing config from /etc/xen/windows8 libxl: debug: libxl_create.c:1230:do_domain_create: ao 0xf8fda0: create: how=(nil) callback=(nil) poller=0xf8f5e0 libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk vdev=hda spec.backend=unknown libxl: debug: libxl_device.c:197:disk_try_backend: Disk vdev=hda, backend phy unsuitable as phys path not a block device libxl: debug: libxl_device.c:212:disk_try_backend: Disk vdev=hda, backend tap unsuitable because blktap not available libxl: debug: libxl_device.c:296:libxl__device_disk_set_backend: Disk vdev=hda, using backend qdisk libxl:...

...256 vif=[''bridge=xenbr0''] When I try to boot the VM with the above configuration I get the following error: Parsing config file debian-blktap2.cfg libxl: debug: libxl_device.c:183:libxl__device_disk_set_backend: Disk vdev=xvda spec.backend=unknown libxl: debug: libxl_device.c:137:disk_try_backend: Disk vdev=xvda, backend phy unsuitable as phys path not a block device libxl: debug: libxl_device.c:144:disk_try_backend: Disk vdev=xvda, backend tap unsuitable because blktap not available libxl: debug: libxl_device.c:219:libxl__device_disk_set_backend: Disk vdev=xvda, using backend qdisk libxl:...

Hi, everyone! We google a lot, but can''t find how to config the pvscsi on our ubuntu13.04 PV on HVM.There are some links http://wiki.xen.org/wiki/Paravirtualized_SCSI http://wiki.xen.org/wiki/Xen_Configuration_File_Options And we use the config option above Configure PVSCSI devices vscsi = [ ''/dev/sdc, 0:0:0:0'' ] I pass sdc to the hvm, but in our pvhvm (ubuntu13.04)

I''m unable to start xl console on latest xen-unstable (build with commit 8e0da8c07f4f80e14314977a11f738bd74a5b62b). > xl -vvv console sid > xenconsole: Could not read tty from store: No such file or directory I also tried "xl create -c", and it shows console from pygrub but when the "xl create" reaches the end I got the same error: > xenconsole: Could not

...------ Parsing config from /etc/xen/FEDORA19.cfg libxl: debug: libxl_create.c:1252:do_domain_create: ao 0x193a970: create: how=(nil) callback=(nil) poller=0x193b630 libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk vdev=hda spec.backend=unknown libxl: debug: libxl_device.c:197:disk_try_backend: Disk vdev=hda, backend phy unsuitable as phys path not a block device libxl: debug: libxl_device.c:296:libxl__device_disk_set_backend: Disk vdev=hda, using backend qdisk libxl: debug: libxl_create.c:697:initiate_domain_create: running bootloader libxl: debug: libxl_bootloader.c:321:libxl__bootlo...