<div dir="ltr"><p class="gmail-isSelectedEnd"><span>Hello Stephen,</span></p><p class="gmail-isSelectedEnd"><span>Thank you for your reply.</span></p><p class="gmail-isSelectedEnd"><span>We have already tried vfio-pci</span><span> with no-IOMMU mode on this Raspberry Pi 4 setup. However, we still observed 100% TX packet drops.</span></p><p class="gmail-isSelectedEnd"><span>Do you have any other suggestions?</span></p><p><span>Best regards,</span><br><span>Rayhan </span></p><br></div>