That information sounds incorrect. The changes for XSA-39 which caused
this regressions where to xen-netback (the driver in dom0). The problem
is that this depends on MAX_SKB_FRAGS which changed in v3.3 from 18 to
17. So if dom0 runs a v3.3 or later kernel with XSA-39 applied, it will
shutdown the network for any guest that uses a bigger value than 17
(which is pre v3.3 linux guests but from descriptions it seems also some
Windows guests). I think the patches below (which probably are in v3.10)
will fix this. But those will have to be applied to dom0 kernels.
commit 2810e5b9a7731ca5fce22bfbe12c96e16ac44b6f
Author: Wei Liu <wei.l...@citrix.com>
Date: Mon Apr 22 02:20:42 2013 +0000
xen-netback: coalesce slots in TX path and fix regressions
commit 03393fd5cc2b6cdeec32b704ecba64dbb0feae3c
Author: Wei Liu <wei.l...@citrix.com>
Date: Mon Apr 22 02:20:43 2013 +0000
xen-netback: don't disconnect frontend when seeing oversize packet
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https://bugs.launchpad.net/bugs/1162924
Title:
bug disabling Xen guest interface
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