On Wed, Sep 01, 2010 at 01:42:01PM -0500, W. Michael Petullo wrote: > I have been investigating the use of Xen with a Fedora 14 (devel)-based > Dom0. Until now, I have always used Michael Young's Dom0 kernels. > > The first thing I did was try to build the current Fedora 14 kernel with > Xen Dom0 support. I began porting Michael's RPM specification to the > Fedora 14 specification. What I found was that the Xen pvops work seems > to be targeting 2.6.32 and possibly 2.6.36. As a result, I was unable > to find a straightforward way to create a patch for 2.6.35.4. Am I > missing something here? Is building a 2.6.35.4-based kernel difficult > in this way? > > Next, I tried to use Michael's latest Fedora 12 kernel on Fedora > 14. Of course, Fedora 14 uses some features that are not available > in this kernel. Most notably, I had to provide the kernel with the > "init=/sbin/upstart" option to avoid the use of systemd. > > Once I booted the system, I found that xend would not start because it did > not find what it expected in /sys/bus/pci/devices/0000\:00\:03.2/config: > > [...] > File "/usr/lib/python2.7/site-packages/xen/util/pci.py", line 1050, in detect_dev_info > pos = self.find_cap_offset(PCI_CAP_ID_EXP) > File "/usr/lib/python2.7/site-packages/xen/util/pci.py", line 933, in find_cap_offset > id = ord(os.read(fd, 1)) > TypeError: ord() expected a character, but string of length 0 found > > I "fixed" this by editing pci.py and changing: > > id = ord(os.read(fd, 1)) > > to: > > try: > id = ord(os.read(fd, 1)) > except: > pos = 0 > break; > > Of course, this might not be a good fix, but it was quick and it allowed > me to continue and experiment. Does anyone know what is going on here? > Thanks for the info and the fix! > At this point, I was able to boot a DomU image, although I need to do a > lot more testing. Has anyone else experimented with Fedora 14? What is > your experience? I am especially interested in hearing about Fedora 14 > Dom0 kernels. > I haven't tried F14 yet.. but I should soon.. -- Pasi -- xen mailing list xen@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/xen