im havin this issue today…
Apr 12 05:09:15 Test_Rig kernel: [55637.224692][ T945] NVRM: Xid (PCI:0000:01:00): 31, pid=2614, Ch 00000012, intr 10000000. MMU Fault: ENGINE GRAPHICS GPCCLIENT_T1_2 faulted @ 0x7f3a_514b8000. Fault is of type FAULT_PDE ACCESS_TYPE_READ
Apr 12 17:04:09 Test_Rig kernel: [98531.029522][ T945] NVRM: Xid (PCI:0000:01:00): 31, pid=28404, Ch 00000013, intr 10000000. MMU Fault: ENGINE GRAPHICS GPCCLIENT_GCC faulted @ 0x100_00000000. Fault is of type FAULT_PDE ACCESS_TYPE_READ