On Wed, Jan 18, 2017 at 12:34 AM, Jan Beulich <jbeul...@suse.com> wrote:
> >>> On 17.01.17 at 16:08, <firemet...@users.sourceforge.net> wrote: > > I was lucky to capture the full log before it fills up my 100MB ring > buffer > > (in less than 2 seconds). > > Please find the log in the attachment. > > Sadly nothing helpful in there; I'm a little puzzled though that the > first thing we see is > > (XEN) [VT-D]iommu.c:909: iommu_fault_status: Fault Overflow > > which suggests there were (unlogged) faults already before. > > My primary suspicion right now is that you problem is due to the > relatively large RMRR, as the first logged fault occurs on the first > 2Mb boundary after the start of the RMRR. I'll therefore have to > find time to create a debugging patch for you. > That's unfortunate! But anyway we stepped one small step ahead. Waiting for your patch. I'll be offline for 3 days, will check back after that.
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