<div dir="ltr"><div>My embedded board is freezing when I put E9171 on PCIe.  What is the meaning of Unrecoverable Machine Check error about GPU? <br></div><div><br></div><div>Could PCIe settings in .dts file cause this problem? If it is, is there any sample PCIe configuration for E9171? I attached my dts file.<br></div><div><br></div><div>System is working fine when GPU is not plugged in.</div><div><b><br></b></div><div><b>This is the last console log before freeze:</b></div><div>[drm] amdgpu kernel modesetting enabled.                                              </div>[drm] initializing kernel modesetting (POLARIS12 0x1002:0x6987 0x1787:0x2389 0x80).  <br>[drm] register mmio base: 0x20200000                                                  <br>fsl-fman-port ffe488000.port fm1-gb0: renamed from eth0                               <br>[drm] register mmio size: 262144                                                      <br>[drm] add ip block number 0 <vi_common>                                               <br>[drm] add ip block number 1 <gmc_v8_0>                                                <br>[drm] add ip block number 2 <tonga_ih>                                                <br>[drm] add ip block number 3 <powerplay>                                               <br>[drm] add ip block number 4 <dm>                                                      <br>[drm] add ip block number 5 <gfx_v8_0>                                                <br>[drm] add ip block number 6 <sdma_v3_0>                                               <br>[drm] add ip block number 7 <uvd_v6_0>                                                <br>[drm] add ip block number 8 <vce_v3_0>                                                <br>[drm] UVD is enabled in VM mode                                                       <br>[drm] UVD ENC is enabled in VM mode                                                   <br>[drm] VCE enabled in VM mode                                                          <br>ATOM BIOS: 113-ER16BFC-001                                                            <br>[drm] GPU posting now...                                                              <br>Disabling lock debugging due to kernel taint                                          <br>Machine check in kernel mode.                                                         <br>Caused by (from MCSR=a000): Load Error Report                                         <br>Guarded Load Error Report                                                             <br>Kernel panic - not syncing: Unrecoverable Machine check                               <br>CPU: 1 PID: 2023 Comm: udevd Tainted: G   M              4.19.26+gc0c2141 #1          <br>Call Trace:                            <br></div>