On Tue, Sep 10, 2024 at 11:25:55AM +0000, Shameerali Kolothum Thodi wrote: > > Try to isolate if S2FWB is the exact cause by disabling it in the kernel on this > > system vs something else wrong? > > It looks like not related to S2FWB. I tried commenting out S2FWB and issue is still > there. Probably something related to this test setup. Okay, so not these patches. You managed to get some DMA through the S2FWB so that is encouraging. Thanks, Jason