> On Thu, Dec 16, 2010 at 05:29:00PM +0100, Christoph Egger wrote: > > > > > > > > Hi! > > > > > > > > > > > > When I start a xen guest I get this message: > > > > > > > > > > > > xbdback backend/vbd/1/832: can't VOP_OPEN device 0xe13: 16 > > > > > > > > > > 16 is EBUSY. is it a HVM guest, or a PV guest ? > > > > > > > > HVM guest > > > > > > So it looks like qemu has the device already open, which prevents the > > > backend to opening it as well. In my case, qemu-dm has the file open, > > > not the vnd device. > > > how did you specify the virtual disk(s) in your config file ? > > > > disk = [ 'file:/images/netbsd_64b.img,hda,w', > 'file:/images/netbsd_64b-disk2.img,hdb,w' ] > > Don't you miss the ioemu flag here ?
It's optional since Xen 3.4. > Can you check what ioemu is opening (fstat should help with this) ? > root qemu-dm 824 wd / 4789638 drwxr-xr-x 4096 r root qemu-dm 824 0 / 4789656 crw-rw-rw- null r root qemu-dm 824 1 / 13191995 -rw-r--r-- 2214 w root qemu-dm 824 2 / 13191995 -rw-r--r-- 2214 w root qemu-dm 824 3* pipe 0xffffa000261a8640 <- 0xffffa000261a9000 rn root qemu-dm 824 4* pipe 0xffffa000261a9000 -> 0xffffa000261a8640 wn root qemu-dm 824 5* tap 0 root qemu-dm 824 6 - - ?(b) - root qemu-dm 824 7* unix stream ffffa00001340c80 <-> ffffa00001340f00 root qemu-dm 824 8* pipe 0xffffa000261a8140 <- 0xffffa000261a9500 rn root qemu-dm 824 9* pipe 0xffffa000261a9500 -> 0xffffa000261a8140 wn root qemu-dm 824 10 / 10787931 -rw-r--r-- 1048576000 rw root qemu-dm 824 11 / 1154349 -rw-r--r-- 104857600000 rw root qemu-dm 824 12* unix stream ffffa00001340880 <-> ffffa000012f8280 root qemu-dm 824 13 /dev/pts 6 crw-rw-rw- ptyp1 rw root qemu-dm 824 14* pipe 0xffffa000261a8280 <- 0xffffa000261a9140 r root qemu-dm 824 15* pipe 0xffffa000261a9140 -> 0xffffa000261a8280 w root qemu-dm 824 16 - - ?(b) - root qemu-dm 824 5* misc 0xffffa00001397000 root qemu-dm 824 18* internet stream tcp ffffa0000121c000 *:5900 root qemu-dm 824 19* pipe 0xffffa000261a83c0 <- 0xffffa000261a9280 r root qemu-dm 824 20* pipe 0xffffa000261a9280 -> 0xffffa000261a83c0 w root qemu-dm 824 25 / 18256750 prw------- 0 rw FD 10 and 11 are the disk images. Christoph
