Hello, I've upgraded to Diablo to see if this issue was resolved, but apparently it isn't.
There is already a thread talking about it, but it didn't come to a solution that I could use. After having Openstack configured with Xen and libvirt in Ubuntu 10.04 whenever I run an instance it is started, but it stops with a kernel panic trying to mount root by using xvda, but sda is the only available. I'm using Diablo's nova + glance and the ubuntu1010-UEC-localuser-image.tar.gz from the manual. The kernel panic is like this: [ 0.170563] VFS: Cannot open root device "xvda" or unknown-block(0,0) [ 0.170572] Please append a correct "root=" boot option; here are the available partitions: [ 0.170585] ca00 32768 sda driver: vbd [ 0.170594] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 0.170604] Pid: 1, comm: swapper Not tainted 2.6.35-24-virtual #42-Ubuntu I've played with libvirt.xml.template, it changed a lot since Cactus, so I tried to replace xvda with sda, and the kernel panic didn't go away, just changed a little: [ 0.161237] List of all partitions: [ 0.161248] ca00 32768 sda driver: vbd [ 0.161257] No filesystem could mount root, tried: ext3 ext2 ext4 fuseblk [ 0.161275] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(202,0) [ 0.161286] Pid: 1, comm: swapper Not tainted 2.6.35-24-virtual #42-Ubuntu I've tried using --xenapi_remap_vbd_dev=true, but it didn't work (it wouldn't also because I'm using libvirt, not xenapi). Does anyone know a way I can stop this? Even if it is just a workaround. Thanks.
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