jetpack 4.4
gst-launch-1.0 command
If I don’t connect the camera, when using ctrl + c to close the program, the following problem appears in the kernel, is there a solution?
[ 147.049241] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 147.049427] Mem abort info:
[ 147.049483] ESR = 0x96000005
[ 147.049536] Exception class = DABT (current EL), IL = 32 bits
[ 147.049634] SET = 0, FnV = 0
[ 147.049685] EA = 0, S1PTW = 0
[ 147.049754] Data abort info:
[ 147.049812] ISV = 0, ISS = 0x00000005
[ 147.049876] CM = 0, WnR = 0
[ 147.049931] user pgtable: 4k pages, 39-bit VAs, pgd = ffffffc7642c3000
[ 147.050033] [0000000000000000] *pgd=0000000000000000, *pud=0000000000000000
[ 147.050157] Internal error: Oops: 96000005 [#1] PREEMPT SMP
[ 147.050247] Modules linked in: bnep fuse zram overlay mttcan can_dev can_raw can pps_gen_gpio pps_gpio heart_ctl spidev ar0231 nvgpu binfmt_misc ip_tables x_tables
[ 147.050737] CPU: 7 PID: 8569 Comm: gst-launch-1.0 Tainted: G W 4.9.140-tegra #25
[ 147.051395] Hardware name: Jetson-AGX (DT)
[ 147.051698] task: ffffffc76436aa00 task.stack: ffffffc760bb0000
[ 147.052161] PC is at exit_creds+0x2c/0x78
[ 147.052472] LR is at __put_task_struct+0x4c/0x140
[ 147.057078] pc : [] lr : [] pstate: 60400045
[ 147.064687] sp : ffffffc760bb3a50
[ 147.067841] x29: ffffffc760bb3a50 x28: 0000000000000000
[ 147.073609] x27: ffffffc7bbf95800 x26: 0000000000000001
[ 147.079298] x25: ffffff8009fd09a0 x24: 0000000000000013
[ 147.084294] x23: 0000000000000000 x22: ffffffc760bb3d10
[ 147.089448] x21: ffffffc7c789f030 x20: 0000000000000000
[ 147.094609] x19: ffffffc7c789f000 x18: 0000007f7c188a70
[ 147.100130] x17: 0000007f7c252910 x16: ffffff8008273660
[ 147.106071] x15: 0000000000000000 x14: 000000000000001f
[ 147.111759] x13: 000000000000107f x12: 071c71c71c71c71c
[ 147.117019] x11: 000000000000000b x10: 0000000000000a20
[ 147.123049] x9 : ffffffc760bb38a0 x8 : ffffffc76436b480
[ 147.128821] x7 : fefefeff646c606d x6 : 000000011ac3f145
[ 147.134333] x5 : 0000000000000800 x4 : 0000000000000000
[ 147.139677] x3 : 00000000000000f3 x2 : 0000000000000000
[ 147.144754] x1 : 0000000000000000 x0 : 00000000ffffffff
[ 147.150346]
[ 147.151751] Process gst-launch-1.0 (pid: 8569, stack limit = 0xffffffc760bb0000)
[ 147.158750] Call trace:
[ 147.161035] [] exit_creds+0x2c/0x78
[ 147.166104] [] __put_task_struct+0x4c/0x140
[ 147.171180] [] kthread_stop+0x1e4/0x1e8
[ 147.176516] [] vi5_channel_stop_kthreads+0x40/0x58
[ 147.182638] [] vi5_channel_stop_streaming+0x8c/0xa8
[ 147.188505] [] tegra_channel_stop_streaming+0x34/0x48
[ 147.194978] [] __vb2_queue_cancel+0x34/0x188
[ 147.200316] [] vb2_core_streamoff+0x54/0xb8
[ 147.205915] [] vb2_streamoff+0x54/0x88
[ 147.210989] [] vb2_ioctl_streamoff+0x54/0x60
[ 147.216420] [] v4l_streamoff+0x3c/0x50
[ 147.222014] [] __video_do_ioctl+0x204/0x2c8
[ 147.227614] [] video_usercopy+0x2a0/0x6a0
[ 147.232954] [] video_ioctl2+0x3c/0x50
[ 147.238465] [] v4l2_ioctl+0x88/0x118
[ 147.243367] [] do_vfs_ioctl+0xb0/0x8d8
[ 147.248704] [] SyS_ioctl+0x8c/0xa8
[ 147.253608] [] el0_svc_naked+0x34/0x38
[ 147.259381] —[ end trace 0cbeddaaba1dfcab ]—