(In reply to Julien Isorce from comment #11)
> Could it be an issue with pcie (though is works with admgpu, well in fact it
> uses kdata on amdgpu) ? Is there anyway I can force a commit/flush just
> after it writes to parser->ib.ptr as a test even if it is slower ? thx!

Really unlikely, if we would have a hardware problem with PCIe we would see
random bit values flip and not a constant pattern like we do.