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  1. ubuntu@bionic-dev64:~$ v4l2-ctl -d3 -v width=2592,height=1944,pixelformat=UYVY,bytesperline=5184 --stream-mmap --stream-to video.UYVY
  2. [ 70.139006] cma: cma_alloc(cma (____ptrval____), count 4050, align 8)
  3. [ 70.159829] cma: cma_alloc(cma (____ptrval____), count 4050, align 8)
  4. [ 70.166292] cma: cma_alloc: alloc failed, req-size: 4050 pages, ret: -12
  5. [ 70.173006] cma: number of available pages: 72@184+3886@4306=> 3958 free of 8192 total pages
  6. [ 70.181471] cma: cma_alloc(): returned (____ptrval____)
  7. [ 70.192449] cma: cma_alloc(cma (____ptrval____), count 4050, align 8)
  8. [ 70.198907] cma: cma_alloc: alloc failed, req-size: 4050 pages, ret: -12
  9. [ 70.205625] cma: number of available pages: 72@184+3886@4306=> 3958 free of 8192 total pages
  10. [ 70.205733] systemd-journald[204]: /var/log/journal/5cca8918401249538eacb5efd5b9b052/system.journal: Journal file corrupted, rotating.
  11. [ 70.214083] cma: cma_alloc(): returned (____ptrval____)
  12. [ 70.219867] cma: cma_alloc(cma (____ptrval____), count 4050, align 8)
  13. [ 70.237878] cma: cma_alloc: alloc failed, req-size: 4050 pages, ret: -12
  14. [ 70.244599] cma: number of available pages: 72@184+3886@4306=> 3958 free of 8192 total pages
  15. [ 70.253066] cma: cma_alloc(): returned (____ptrval____)
  16. [ 70.264893] cma: cma_release(page (____ptrval____))
  17. [ 70.272871] cma: cma_release(page (____ptrval____))
  18. [ 70.277800] BUG: Bad page state in process v4l2-ctl pfn:b5a00
  19. [ 70.283652] page:ffff7e0001d68000 refcount:13 mapcount:0 mapping:0000000000000000 index:0x0 compound_mapcount: 0
  20. [ 70.293874] flags: 0xffff00000010000(head)
  21. [ 70.297999] raw: 0ffff00000010000 dead000000000100 dead000000000122 0000000000000000
  22. [ 70.305772] raw: 0000000000000000 0000000000000000 0000000dffffffff 0000000000000000
  23. [ 70.313526] page dumped because: nonzero _refcount
  24. [ 70.318327] Modules linked in:
  25. [ 70.321399] CPU: 2 PID: 482 Comm: v4l2-ctl Not tainted 5.3.0-rc1+ #159
  26. [ 70.327927] Hardware name: Boundary Devices i.MX8MQ Nitrogen8M (DT)
  27. [ 70.334196] Call trace:
  28. [ 70.336654] dump_backtrace+0x0/0x148
  29. [ 70.340319] show_stack+0x14/0x20
  30. [ 70.343640] dump_stack+0x9c/0xc4
  31. [ 70.346959] bad_page+0xe4/0x148
  32. [ 70.350188] free_pages_check_bad+0x70/0xa8
  33. [ 70.354375] __free_pages_ok+0x294/0x2b0
  34. [ 70.358301] __free_pages+0x38/0x50
  35. [ 70.361795] dma_free_contiguous+0x90/0x98
  36. [ 70.365892] __dma_direct_free_pages+0x18/0x20
  37. [ 70.370338] arch_dma_free+0x74/0x88
  38. [ 70.373916] dma_direct_free+0x4c/0x58
  39. [ 70.377668] dma_free_attrs+0x88/0xe0
  40. [ 70.381335] vb2_dc_put+0x44/0x60
  41. [ 70.384653] __vb2_buf_mem_free+0x68/0x110
  42. [ 70.388749] __vb2_queue_free+0x398/0x538
  43. [ 70.392763] vb2_core_queue_release+0x34/0x48
  44. [ 70.397122] _vb2_fop_release+0x88/0x98
  45. [ 70.400960] vb2_fop_release+0x28/0x50
  46. [ 70.404712] vivid_fop_release+0x88/0x208
  47. [ 70.408725] v4l2_release+0x6c/0xf0
  48. [ 70.412216] __fput+0x8c/0x1f8
  49. [ 70.415270] ____fput+0xc/0x18
  50. [ 70.418328] task_work_run+0x94/0xb0
  51. [ 70.421907] do_exit+0x2b0/0x9f8
  52. [ 70.425138] do_group_exit+0x34/0x98
  53. [ 70.428717] get_signal+0x104/0x678
  54. [ 70.432209] do_notify_resume+0x2ac/0x380
  55. [ 70.436220] work_pending+0x8/0x10
  56. [ 70.439648] Disabling lock debugging due to kernel taint
  57. [ 70.444974] BUG: Bad page state in process v4l2-ctl pfn:b5a01
  58. [ 70.450822] page:ffff7e0001d68040 refcount:0 mapcount:0 mapping:dead000000000400 index:0x1 compound_mapcount: 0
  59. [ 70.451427] printk: systemd: 27 output lines suppressed due to ratelimiting
  60. [ 70.460924] flags: 0xffff00000000000()
  61. [ 70.460931] raw: 0ffff00000000000 ffff7e0001d68001 ffffffff01d60301 dead000000000400
  62. [ 70.467945] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
  63. [ 70.471659] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
  64. [ 70.479389] CPU: 1 PID: 1 Comm: systemd Tainted: G B 5.3.0-rc1+ #159
  65. [ 70.479394] Hardware name: Boundary Devices i.MX8MQ Nitrogen8M (DT)
  66. [ 70.487058] page dumped because: non-NULL mapping
  67. [ 70.494782] Call trace:
  68. [ 70.494789] dump_backtrace+0x0/0x148
  69. [ 70.494793] show_stack+0x14/0x20
  70. [ 70.494799] dump_stack+0x9c/0xc4
  71. [ 70.502460] Modules linked in:
  72. [ 70.508713] panic+0x140/0x32c
  73. [ 70.508718] complete_and_exit+0x0/0x20
  74. [ 70.508724] do_group_exit+0x34/0x98
  75. [ 70.539649] get_signal+0x104/0x678
  76. [ 70.543139] do_notify_resume+0x2ac/0x380
  77. [ 70.547149] work_pending+0x8/0x10
  78. [ 70.550553] CPU: 2 PID: 482 Comm: v4l2-ctl Tainted: G B 5.3.0-rc1+ #159
  79. [ 70.550554] SMP: stopping secondary CPUs
  80. [ 70.562387] Hardware name: Boundary Devices i.MX8MQ Nitrogen8M (DT)
  81. [ 70.568653] Call trace:
  82. [ 70.571103] dump_backtrace+0x0/0x148
  83. [ 70.574765] show_stack+0x14/0x20
  84. [ 70.578081] dump_stack+0x9c/0xc4
  85. [ 70.581398] bad_page+0xe4/0x148
  86. [ 70.584627] free_pages_check_bad+0x70/0xa8
  87. [ 70.588814] __free_pages_ok+0x294/0x2b0
  88. [ 70.592737] __free_pages+0x38/0x50
  89. [ 70.596229] dma_free_contiguous+0x90/0x98
  90. [ 70.600327] __dma_direct_free_pages+0x18/0x20
  91. [ 70.604771] arch_dma_free+0x74/0x88
  92. [ 70.608347] dma_direct_free+0x4c/0x58
  93. [ 70.612098] dma_free_attrs+0x88/0xe0
  94. [ 70.615765] vb2_dc_put+0x44/0x60
  95. [ 70.619082] __vb2_buf_mem_free+0x68/0x110
  96. [ 70.623180] __vb2_queue_free+0x398/0x538
  97. [ 70.627192] vb2_core_queue_release+0x34/0x48
  98. [ 70.631551] _vb2_fop_release+0x88/0x98
  99. [ 70.635387] vb2_fop_release+0x28/0x50
  100. [ 70.639138] vivid_fop_release+0x88/0x208
  101. [ 70.643149] v4l2_release+0x6c/0xf0
  102. [ 70.646638] __fput+0x8c/0x1f8
  103. [ 70.649693] ____fput+0xc/0x18
  104. [ 70.652750] task_work_run+0x94/0xb0
  105. [ 70.656326] do_exit+0x2b0/0x9f8
  106. [ 70.659554] do_group_exit+0x34/0x98
  107. [ 70.663130] get_signal+0x104/0x678
  108. [ 70.666621] do_notify_resume+0x2ac/0x380
  109. [ 70.670632] work_pending+0x8/0x10
  110. [ 70.674036] Kernel Offset: disabled
  111. [ 70.677526] CPU features: 0x0002,2000200c
  112. [ 70.681535] Memory Limit: none
  113. [ 70.684599] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---
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