[vfio-users] QEMU / KVM VFIO ("no signal" message)

Alex Williamson alex.l.williamson at gmail.com
Wed Nov 4 02:03:48 UTC 2015


On Tue, Nov 3, 2015 at 6:58 PM, Leonardo Caldas <leonardo.caldas at xleox.org>
wrote:

> 2015-11-03 19:14 GMT-03:00 Alex Williamson <alex.l.williamson at gmail.com>:
> Well, I used your files... also tried to generate my own using your
> suggestions (and passing them as parameters to "romfile"), but it keeps
> without video signal...
> Is there any logs I could possibly analyze in order to see whether the
> romfile parameter is working?
>

You could post your QEMU command line.  You can configure QEMU with the
option  --enable-trace-backend=stderr, build, install and then run with the
option '-trace events=<file>', where <file> looks something like this:

# cat /tmp/trace-events.txt
vfio*

You'll probably want to run it within script or tee to a file to get the
output.
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