[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] xend: Create /var/run/tap during device model setup
Keir Fraser schrieb: > On 23/4/08 10:59, "Li, Haicheng" <haicheng.li@xxxxxxxxx> wrote: > >> 1. Fail to create any HVM guest on IA32PAE host >> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1221 > > Looks like it is due to Kevin Wolf's changeset 17499. Your attempt to go > back to older tools obviously didn't work -- the backtrace in xend.log comes > from a line introduced by c/s 17499. Create the directory /var/run/tap if it doesn't exist yet. Try to continue even if the blktap communication pipes couldn't be created. The VM might not need tap:ioemu and run just fine. Signed-off-by: Kevin Wolf <kwolf@xxxxxxx> diff -r 1d218f8898c9 tools/python/xen/xend/image.py --- a/tools/python/xen/xend/image.py Wed Apr 23 13:50:40 2008 +++ b/tools/python/xen/xend/image.py Wed Apr 23 16:25:42 2008 @@ -205,9 +205,21 @@ # If we use a device model, the pipes for communication between # blktapctrl and ioemu must be present before the devices are # created (blktapctrl must access them for new block devices) - os.mkfifo('/var/run/tap/qemu-read-%d' % domid, 0600) - os.mkfifo('/var/run/tap/qemu-write-%d' % domid, 0600) - + + # mkdir throws an exception if the path already exists + try: + os.mkdir('/var/run/tap', 0755) + except: + pass + + try: + os.mkfifo('/var/run/tap/qemu-read-%d' % domid, 0600) + os.mkfifo('/var/run/tap/qemu-write-%d' % domid, 0600) + except OSError, e: + log.warn('Could not create blktap pipes for domain %d' % domid) + log.exception(e) + pass + # Return a list of cmd line args to the device models based on the # xm config file _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |