Hi,
we have a kernel panic problem in kernel 5.4.74 on pvrsrvkm ko module.
verison : J721E SR2.0
sdk : PROCESSOR-SDK-LINUX-J721E_07.02.00.07
[ 614.079503] ------------[ cut here ]------------
[ 614.085360] WARNING: CPU: 1 PID: 825 at /jenkins/psdkla-dunfell/release/j7-evm/yocto/tisdk/build/arago-tmp-external-arm-glibc/work/j7_evm-linux/ti-img-rogue-driver/1.10.5371573-r0g/git/binary_j721e_linux_wayland_release/target_aarch64/kbuild/services/server/common/pvr_notifier.c:509 PVRSRVDebugRequest+0x254/0x300 [pvrsrvkm]
[ 614.121121] Modules linked in: pvrsrvkm(O) xhci_plat_hcd xhci_hcd usbcore rpmsg_client_sample rpmsg_char cdns3 roles udc_core virtio_rpmsg_bus omap_rng usb_common pru_rproc irq_pruss_intc rng_core icss_iep ti_j721e_cpsw_virt_mac crct10dif_ce ti_k3_r5_remoteproc pruss sa2ul ti_k3_dsp_remoteproc sha512_generic authenc cdns3_ti rti_wdt sch_fq_codel rpmsg_kdrv_switch ip_tables x_tables ipv6
[ 614.163854] CPU: 1 PID: 825 Comm: gpu_test Tainted: G O 5.4.74-ACU-3.0.0.19 #1
[ 614.174480] Hardware name: Texas Instruments K3 J721E SoC (DT)
[ 614.181750] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 614.187802] pc : PVRSRVDebugRequest+0x254/0x300 [pvrsrvkm]
[ 614.194698] lr : PVRSRVDebugRequest+0x254/0x300 [pvrsrvkm]
[ 614.201534] sp : ffff8000162cfa80
[ 614.205659] x29: ffff8000162cfa80 x28: ffff8000162cfcf8
[ 614.212277] x27: 000000000000000a x26: 0000000000000001
[ 614.218896] x25: ffff000854c4c000 x24: 0000000000000009
[ 614.225514] x23: 0000000000000000 x22: 0000000000000000
[ 614.232130] x21: 0000000000000002 x20: ffff000854c4c0d8
[ 614.238748] x19: ffff00082105c5a0 x18: 0000000000000000
[ 614.245365] x17: 0000000000000000 x16: 0000000000000000
[ 614.251983] x15: 0000000000000000 x14: 0000000000000000
[ 614.258600] x13: 0000000000000000 x12: 0000000000000001
[ 614.265222] x11: 0000000000000000 x10: 00000000000009e0
[ 614.271843] x9 : ffff8000162cf6f0 x8 : ffff00085b63f840
[ 614.278461] x7 : ffff000847a3fe80 x6 : 0000000000000000
[ 614.285077] x5 : 0000000000000000 x4 : 0000000000000000
[ 614.291693] x3 : 0000000000000000 x2 : ffffffffffffff00
[ 614.298311] x1 : 0000000000000000 x0 : ffff00082105b500
[ 614.304930] Call trace:
[ 614.308056] PVRSRVDebugRequest+0x254/0x300 [pvrsrvkm]
[ 614.314516] PVRSRVHWOpTimeoutKM+0x30/0x40 [pvrsrvkm]
[ 614.320869] PVRSRVBridgeHWOpTimeout+0x28/0x40 [pvrsrvkm]
[ 614.327650] BridgedDispatchKM+0x130/0x500 [pvrsrvkm]
[ 614.333996] PVRSRV_BridgeDispatchKM+0x1cc/0x308 [pvrsrvkm]
[ 614.340949] drm_ioctl_kernel+0xb8/0x108
[ 614.345833] drm_ioctl+0x210/0x468
[ 614.350070] do_vfs_ioctl+0x964/0xb48
[ 614.354629] ksys_ioctl+0x78/0xa8
[ 614.358755] __arm64_sys_ioctl+0x1c/0xb8
[ 614.363643] el0_svc_common.constprop.0+0x68/0x160
[ 614.369612] el0_svc_handler+0x20/0x80
[ 614.374281] el0_svc+0x8/0x204
[ 614.378083] ---[ end trace c404a695d747fcfd ]---
