xen February 2008

xen@lists.fedoraproject.org

30 participants
21 discussions

"Invalid kernel" error on PV creation -- what's invalid?
by JimmyT _ 02 Feb '08

02 Feb '08

I don't know if this is a Fedora, Xen, Cobbler/Koan or local config problem. Or some combination. I'm using cobbler+koan to create a PV VM. hostOS = Fedora 8, guestOS = Fedora 8. On attempt to create the PV, it chokes at (console error) "Error: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n')" I see the same in /var/log/xen/xend.log (detailed tail, below), so I suspect it's a problem with xen. The vmlinuz & initrd.img I'm using, by reference in 'cobbler distro ...' invocation are pulled from http://mirrors.kernel.org/fedora/releases/8/Fedora/x86_64/os/images/xen/, so I'm not clear what's "Invalid" about the kernel. Any suggestions? Jimmy [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:84) XendDomainInfo.create(['vm', ['name', 'f8TEST'], ['memory', '1024'], ['maxmem', '1024'], ['vcpus', '2'], ['uuid', '30a76e12-53ef-dfb7-7acb-1aaf3fdfccff'], ['on_poweroff', 'destroy'], ['on_reboot', 'destroy'], ['on_crash', 'destroy'], ['image', ['linux', ['kernel', '/var/lib/xen/vmlinuz'], ['ramdisk', '/var/lib/xen/initrd.img'], ['args', 'ks= http://10.0.0.100/cblr/kickstarts/f8TEST/ks.cfg ksdevice=eth0 lang= kssendmac syslog=10.0.0.100:25150 text ']]], ['device', ['vbd', ['dev', 'xvda'], ['uname', 'phy:/dev/VG01/f8TEST'], ['mode', 'w']]], ['device', ['vif', ['mac', '00:15:3f:2d:68:d5'], ['bridge', 'eth0']]]]) [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:1555) XendDomainInfo.constructDomain [2008-01-31 18:21:13 2438] DEBUG (balloon:116) Balloon: 6596932 KiB free; need 2048; done. [2008-01-31 18:21:13 2438] DEBUG (XendDomain:443) Adding Domain: 22 [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:1609) XendDomainInfo.initDomain: 22 256 [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:1640) _initDomain:shadow_memory=0x0, memory_static_max=0x40000000, memory_static_min=0x0. [2008-01-31 18:21:13 2438] DEBUG (balloon:116) Balloon: 6596924 KiB free; need 1048576; done. [2008-01-31 18:21:13 2438] INFO (image:129) buildDomain os=linux dom=22 vcpus=2 [2008-01-31 18:21:13 2438] DEBUG (image:198) domid = 22 [2008-01-31 18:21:13 2438] DEBUG (image:199) memsize = 1024 [2008-01-31 18:21:13 2438] DEBUG (image:200) image = /var/lib/xen/vmlinuz [2008-01-31 18:21:13 2438] DEBUG (image:201) store_evtchn = 1 [2008-01-31 18:21:13 2438] DEBUG (image:202) console_evtchn = 2 [2008-01-31 18:21:13 2438] DEBUG (image:203) cmdline = ks= http://10.0.0.100/cblr/kickstarts/f8TEST/ks.cfg ksdevice=eth0 lang= kssendmac syslog=10.0.0.100:25150 text [2008-01-31 18:21:13 2438] DEBUG (image:204) ramdisk = /var/lib/xen/initrd.img [2008-01-31 18:21:13 2438] DEBUG (image:205) vcpus = 2 [2008-01-31 18:21:13 2438] DEBUG (image:206) features = [2008-01-31 18:21:13 2438] ERROR (XendDomainInfo:1682) XendDomainInfo.initDomain: exception occurred Traceback (most recent call last): File "/usr/lib64/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 1657, in _initDomain channel_details = self.image.createImage() File "/usr/lib64/python2.5/site-packages/xen/xend/image.py", line 112, in createImage return self.createDomain() File "/usr/lib64/python2.5/site-packages/xen/xend/image.py", line 131, in createDomain result = self.buildDomain() File "/usr/lib64/python2.5/site-packages/xen/xend/image.py", line 530, in buildDomain return LinuxImageHandler.buildDomain(self) File "/usr/lib64/python2.5/site-packages/xen/xend/image.py", line 215, in buildDomain features = self.vm.getFeatures()) Error: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n') [2008-01-31 18:21:13 2438] ERROR (XendDomainInfo:424) VM start failed Traceback (most recent call last): File "/usr/lib64/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 404, in start XendTask.log_progress(31, 60, self._initDomain) File "/usr/lib64/python2.5/site-packages/xen/xend/XendTask.py", line 209, in log_progress retval = func(*args, **kwds) File "/usr/lib64/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 1685, in _initDomain raise VmError(str(exn)) VmError: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n') [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:1802) XendDomainInfo.destroy: domid=22 [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:1821) XendDomainInfo.destroyDomain(22) [2008-01-31 18:21:13 2438] ERROR (XendDomainInfo:89) Domain construction failed Traceback (most recent call last): File "/usr/lib64/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 87, in create vm.start() File "/usr/lib64/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 404, in start XendTask.log_progress(31, 60, self._initDomain) File "/usr/lib64/python2.5/site-packages/xen/xend/XendTask.py", line 209, in log_progress retval = func(*args, **kwds) File "/usr/lib64/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 1685, in _initDomain raise VmError(str(exn)) VmError: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n') [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:1802) XendDomainInfo.destroy: domid=22 [2008-01-31 18:21:13 2438] DEBUG (XendDomainInfo:1821) XendDomainInfo.destroyDomain(22) [2008-01-31 18:21:13 2438] ERROR (XendDomainInfo:1832) XendDomainInfo.destroy: xc.domain_destroy failed. Traceback (most recent call last): File "/usr/lib64/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 1827, in destroyDomain xc.domain_destroy(self.domid) Error: (3, 'No such process') [2008-01-31 18:21:13 2438] ERROR (SrvBase:88) Request create failed. Traceback (most recent call last): File "/usr/lib64/python2.5/site-packages/xen/web/SrvBase.py", line 85, in perform return op_method(op, req) File "/usr/lib64/python2.5/site-packages/xen/xend/server/SrvDomainDir.py", line 82, in op_create raise XendError("Error creating domain: " + str(ex)) XendError: Error creating domain: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n')

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xen February 2008