Mark一個Jetson TX2刷機后不能啟動的問題。
問題的現象是Jetson TX2 通過JetPack 3.1更新固件成功，但是reboot后沒有顯示，也沒有eth0的網絡連接，主機控制台卡在“Determing the IP address of target...”，如圖1所示，手動復位還是這樣，以至於主機的JetPack 3.1不能完成后續的步驟。
問題的原因是Jetson TX2連接顯示器的HDMI-VGA適配器不被啟動時的linux識別，導致卡在檢測顯示適配器這一步，如下所示，更換HDMI-DVI或者帶HDIM接口的顯示器后就可以成功啟動看到圖形界面。
[ 0.503413] Unsupported HDMI VIC 15, ignoring [ 0.503414] Unsupported HDMI VIC 140, ignoring [ 0.503415] Unsupported HDMI VIC 10, ignoring [ 0.503417] Unsupported HDMI VIC 208, ignoring [ 0.503418] Unsupported HDMI VIC 138, ignoring [ 0.503419] Unsupported HDMI VIC 32, ignoring [ 0.503426] V_REF_TO_SYNC >= 1; H_REF_TO_SYNC < 0 [ 0.503429] tegradc 15210000.nvdisplay: Display timing doesn't meet restrictions. [ 0.503431] PD DISP2 index4 DOWN [ 0.503595] PD DISP1 index3 DOWN [ 0.503739] PD DISP0 index2 DOWN [ 0.505718] tegradc 15210000.nvdisplay: probed
圖1 Determing the IP address of target...