Red Hat Bugzilla – Bug 455004
kernel-xen-2.6.21.xx: not possible to load ivtv-module
Last modified: 2009-12-14 15:42:43 EST
Description of problem:
Unable to load ivtv-module in kernel-xen-2.6.21.xxx
Version-Release number of selected component (if applicable):
Since kernel-xen-2.6.21.xx (in Fedora7) you're unable to load the ivtv-module
into the domU kernel (also with the needed kernel parm 'swiotlb=force'. with
kernel 2.6.20.xxx its working as a charm...but with 2.6.21 it ends up with a
kernel panic (and the crash of the domU)
run a kernel 2.6.21-based domU (for example a fedora8 domU) and build the
ivtv-0.10.6 driver and 'modprobe ivtv'
Steps to Reproduce:
1. setup fedora8 domU (add kernel parm 'swiotlb=force')
2. build ivtv-driver
3. modprobe ivtv
domU crash / kernel panic
Load of this module
Since Fedora9 does currently not provide any PCI passthrough support you're
unable to use any actual fedora domU guests with a ivtv-module loaded....the
last working solution is to setup a fedora7 guest...
scenario is used to build a mythtv-backend system running in a domU which does
work on fedora7 but not anymore with fedora8 (kernel crash) or fedora9 (no pci
probably see also http://www.ivtvdriver.org
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