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[Xen-users] [Q] VmError: Disk isn't accessible with tap2:tapdisk:vhd

From: Hiroyuki Sato <hiroysato@xxxxxxxxx>

Date: Thu, 4 Aug 2011 18:19:13 +0900

Cc:

Delivery-date: Thu, 04 Aug 2011 02:20:34 -0700

List-id: Xen user discussion <xen-users.lists.xensource.com>

I'm newbie Xen-4.1.1 I'm trying to boot DomU with the following configuration. Sometime DomU boot, but sometime boot failed I'm not sure what is the problem. I can attach that image with tap-ctl on Dom0. Does anybody advice me about this problem?? Sincerely * Environment OS : Scientific Linux 6.1 x86_64 Kernel : 2.6.32.43 git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git Xen : 4.1.1 * Error # # tap2:tapdisk:vhd # /usr/sbin/xm create xentest2 -c Using config file "./xentest2". Error: Disk isn't accessible cat xentest2 name = "test" maxmem = 512 memory = 512 vcpus = 1 bootloader = "/usr/bin/pygrub" on_poweroff = "destroy" on_reboot = "restart" on_crash = "restart" disk = [ "tap2:tapdisk:vhd:/tmp/tkoan.22561/test.vnd,xvda,w" ] vif = [ "mac=00:16:3e:10:e8:01,bridge=virbr0,script=vif-bridge" ] # tap-ctl allocate /dev/xen/blktap-2/tapdev0 # tap-ctl spawn tapdisk spawned with pid 2004 # tap-ctl attach -p 2004 -m 0 # tap-ctl open -p 2004 -m 0 -a vhd:/tmp/tkoan.22561/test.vnd # tap-ctl list 2004 0 0 vhd /tmp/tkoan.22561/test.vnd # sfdisk /dev/xen/blktap-2/ blktap0 control tapdev0 # sfdisk -d /dev/xen/blktap-2/tapdev0 # partition table of /dev/xen/blktap-2/tapdev0 unit: sectors /dev/xen/blktap-2/tapdev0p1 : start= 2048, size= 204800, Id=83, bootable /dev/xen/blktap-2/tapdev0p2 : start= 206848, size= 2097152, Id=82 /dev/xen/blktap-2/tapdev0p3 : start= 2304000, size= 18667520, Id=83 /dev/xen/blktap-2/tapdev0p4 : start= 0, size= 0, Id= 0 * log [2011-08-04 17:49:39 1676] DEBUG (XendDomainInfo:103) XendDomainInfo.create(['vm', ['name', 'test'], ['memory', 512], ['maxmem', 512], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'], ['on_crash', 'restart'], ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['vcpus', 1], ['oos', 1], ['bootloader', '/usr/bin/pygrub'], ['bootloader_args', ''], ['image', ['linux', ['videoram', 4], ['tsc_mode', 0], ['nomigrate', 0]]], ['s3_integrity', 1], ['device', ['tap2', ['uname', 'tap2:tapdisk:vhd:/tmp/tkoan.22561/test.vnd'], ['dev', 'xvda'], ['mode', 'w']]], ['device', ['vif', ['bridge', 'virbr0'], ['mac', '00:16:3e:10:e8:01'], ['script', 'vif-bridge']]]]) [2011-08-04 17:49:39 1676] DEBUG (XendDomainInfo:2498) XendDomainInfo.constructDomain [2011-08-04 17:49:39 1676] DEBUG (balloon:187) Balloon: 884828 KiB free; need 16384; done. [2011-08-04 17:49:39 1676] DEBUG (XendDomain:476) Adding Domain: 1 [2011-08-04 17:49:39 1676] DEBUG (XendDomainInfo:2836) XendDomainInfo.initDomain: 1 256 [2011-08-04 17:49:39 1676] INFO (XendDomainInfo:3270) Mounting /tmp/tkoan.22561/test.vnd on /dev/xvdp. [2011-08-04 17:49:40 1676] DEBUG (DevController:95) DevController: writing {'backend-id': '0', 'virtual-device': '51952', 'device-type': 'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/0/51952'} to /local/domain/0/device/vbd/51952. [2011-08-04 17:49:40 1676] DEBUG (DevController:97) DevController: writing {'domain': 'Domain-0', 'frontend': '/local/domain/0/device/vbd/51952', 'uuid': '85d3a006-d760-4eec-7a03-f7b05097e1c8', 'bootable': '0', 'dev': '/dev/xvdp', 'state': '1', 'params': '/dev/xen/blktap-2/tapdev0', 'mode': 'r', 'online': '1', 'frontend-id': '0', 'type': 'phy', 'tapdisk-params': 'tapdisk:vhd:/tmp/tkoan.22561/test.vnd'} to /local/domain/0/backend/vbd/0/51952. [2011-08-04 17:49:40 1676] DEBUG (DevController:144) Waiting for 51952. [2011-08-04 17:49:40 1676] DEBUG (DevController:628) hotplugStatusCallback /local/domain/0/backend/vbd/0/51952/hotplug-status. [2011-08-04 17:49:40 1676] DEBUG (DevController:628) hotplugStatusCallback /local/domain/0/backend/vbd/0/51952/hotplug-status. [2011-08-04 17:49:40 1676] DEBUG (DevController:642) hotplugStatusCallback 1. [2011-08-04 17:49:40 1676] DEBUG (DevController:144) Waiting for 51952. [2011-08-04 17:49:41 1676] DEBUG (DevController:628) hotplugStatusCallback /local/domain/0/backend/vbd/0/51952/hotplug-status. [2011-08-04 17:49:41 1676] DEBUG (DevController:642) hotplugStatusCallback 1. [2011-08-04 17:49:41 1676] ERROR (XendBootloader:43) Disk isn't accessible [2011-08-04 17:49:41 1676] INFO (XendDomainInfo:3289) Unmounting /dev/xvdp from /dev/xvdp. [2011-08-04 17:49:41 1676] DEBUG (XendDomainInfo:1276) XendDomainInfo.destroyDevice: deviceClass = tap2, device = /dev/xvdp [2011-08-04 17:49:41 1676] DEBUG (DevController:649) deviceDestroyCallback /local/domain/0/backend/vbd/0/51952/hotplug-status. [2011-08-04 17:49:41 1676] DEBUG (DevController:649) deviceDestroyCallback /local/domain/0/backend/vbd/0/51952/hotplug-status. [2011-08-04 17:49:41 1676] ERROR (XendDomainInfo:488) VM start failed Traceback (most recent call last): File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 474, in start XendTask.log_progress(31, 60, self._initDomain) File "/usr/lib64/python2.6/site-packages/xen/xend/XendTask.py", line 209, in log_progress retval = func(*args, **kwds) File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 2838, in _initDomain self._configureBootloader() File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 3285, in _configureBootloader bootloader_args, kernel, ramdisk, args) File "/usr/lib64/python2.6/site-packages/xen/xend/XendBootloader.py", line 44, in bootloader raise VmError(msg) VmError: Disk isn't accessible [2011-08-04 17:49:41 1676] DEBUG (XendDomainInfo:3071) XendDomainInfo.destroy: domid=1 [2011-08-04 17:49:41 1676] DEBUG (DevController:658) deviceDestroyCallback 6. [2011-08-04 17:49:41 1676] DEBUG (XendDomainInfo:2406) No device model [2011-08-04 17:49:41 1676] DEBUG (XendDomainInfo:2408) Releasing devices [2011-08-04 17:49:41 1676] ERROR (XendDomainInfo:108) Domain construction failed Traceback (most recent call last): File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 106, in create vm.start() File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 474, in start XendTask.log_progress(31, 60, self._initDomain) File "/usr/lib64/python2.6/site-packages/xen/xend/XendTask.py", line 209, in log_progress retval = func(*args, **kwds) File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 2838, in _initDomain self._configureBootloader() File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 3285, in _configureBootloader bootloader_args, kernel, ramdisk, args) File "/usr/lib64/python2.6/site-packages/xen/xend/XendBootloader.py", line 44, in bootloader raise VmError(msg) VmError: Disk isn't accessible -- Hiroyuki Sato _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users

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