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usb3_unbind_bind.txt

Jun 28th, 2019
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  1. [root@archl-xu4m ~]# cd /sys/bus/platform/drivers/exynos5_usb3drd_phy/
  2. [root@archl-xu4m exynos5_usb3drd_phy]# ls -la
  3. total 0
  4. drwxr-xr-x 2 root root 0 Jun 28 14:08 .
  5. drwxr-xr-x 131 root root 0 Jun 28 14:08 ..
  6. lrwxrwxrwx 1 root root 0 Jun 28 14:11 12100000.phy -> ../../../../devices/platform/soc/12100000.phy
  7. lrwxrwxrwx 1 root root 0 Jun 28 14:11 12500000.phy -> ../../../../devices/platform/soc/12500000.phy
  8. --w------- 1 root root 4096 Jun 28 14:11 bind
  9. --w------- 1 root root 4096 Jun 28 14:08 uevent
  10. --w------- 1 root root 4096 Jun 28 14:11 unbind
  11. [root@archl-xu4m exynos5_usb3drd_phy]#
  12. [root@archl-xu4m exynos5_usb3drd_phy]#
  13. [root@archl-xu4m exynos5_usb3drd_phy]# echo 12500000.phy > unbind
  14. [ 194.138492] ------------[ cut here ]------------
  15. [ 194.142104] WARNING: CPU: 6 PID: 292 at drivers/regulator/core.c:2036 _regulator_put.part.4+0x110/0x118
  16. [ 194.156913] Modules linked in: s5p_mfc s5p_jpeg exynos_gsc v4l2_mem2mem v4l2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc s5p_cec
  17. [ 194.171542] CPU: 6 PID: 292 Comm: bash Not tainted 5.2.0-rc6-next-20190626-xu4ml #21
  18. [ 194.178963] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
  19. [ 194.184983] [<c0112794>] (unwind_backtrace) from [<c010dfec>] (show_stack+0x10/0x14)
  20. [ 194.192732] [<c010dfec>] (show_stack) from [<c0ab30c0>] (dump_stack+0x98/0xc4)
  21. [ 194.199887] [<c0ab30c0>] (dump_stack) from [<c0127b78>] (__warn.part.3+0xbc/0xec)
  22. [ 194.207332] [<c0127b78>] (__warn.part.3) from [<c0127d10>] (warn_slowpath_null+0x44/0x4c)
  23. [ 194.215491] [<c0127d10>] (warn_slowpath_null) from [<c04f8f3c>] (_regulator_put.part.4+0x110/0x118)
  24. [ 194.224518] [<c04f8f3c>] (_regulator_put.part.4) from [<c04f8f70>] (regulator_put+0x2c/0x3c)
  25. [ 194.232916] [<c04f8f70>] (regulator_put) from [<c05b8eb8>] (release_nodes+0x1c0/0x204)
  26. [ 194.240791] [<c05b8eb8>] (release_nodes) from [<c05b4f20>] (device_release_driver_internal+0xec/0x1ac)
  27. [ 194.250086] [<c05b4f20>] (device_release_driver_internal) from [<c05b2d38>] (unbind_store+0x60/0xd4)
  28. [ 194.259189] [<c05b2d38>] (unbind_store) from [<c03332dc>] (kernfs_fop_write+0x100/0x1e0)
  29. [ 194.267232] [<c03332dc>] (kernfs_fop_write) from [<c02a2f60>] (__vfs_write+0x30/0x1c4)
  30. [ 194.275110] [<c02a2f60>] (__vfs_write) from [<c02a5a74>] (vfs_write+0xa4/0x184)
  31. [ 194.282376] [<c02a5a74>] (vfs_write) from [<c02a5ccc>] (ksys_write+0x5c/0xd4)
  32. [ 194.289472] [<c02a5ccc>] (ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x28)
  33. [ 194.297103] Exception stack(0xe50fbfa8 to 0xe50fbff0)
  34. [ 194.302074] bfa0: 0000000d 0054a958 00000001 0054a958 0000000d 00000000
  35. [ 194.310284] bfc0: 0000000d 0054a958 b6e7ebc8 00000004 0054a958 0000000d 00000000 00000000
  36. [ 194.318424] bfe0: 00000070 be9e1868 b6da3c80 b6dff784
  37. [ 194.323614] irq event stamp: 20491
  38. [ 194.326920] hardirqs last enabled at (20515): [<c0199aac>] console_unlock+0x440/0x64c
  39. [ 194.334720] hardirqs last disabled at (20522): [<c0199714>] console_unlock+0xa8/0x64c
  40. [ 194.342690] softirqs last enabled at (20540): [<c0102544>] __do_softirq+0x35c/0x654
  41. [ 194.350403] softirqs last disabled at (20553): [<c012fd80>] irq_exit+0x158/0x16c
  42. [ 194.357782] ---[ end trace 5ea20768939447c5 ]---
  43. [ 194.363628] ------------[ cut here ]------------
  44. [ 194.367095] WARNING: CPU: 6 PID: 292 at drivers/regulator/core.c:2036 _regulator_put.part.4+0x110/0x118
  45. [ 194.376360] Modules linked in: s5p_mfc s5p_jpeg exynos_gsc v4l2_mem2mem v4l2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc s5p_cec
  46. [ 194.392067] CPU: 6 PID: 292 Comm: bash Tainted: G W 5.2.0-rc6-next-20190626-xu4ml #21
  47. [ 194.400882] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
  48. [ 194.406902] [<c0112794>] (unwind_backtrace) from [<c010dfec>] (show_stack+0x10/0x14)
  49. [ 194.414647] [<c010dfec>] (show_stack) from [<c0ab30c0>] (dump_stack+0x98/0xc4)
  50. [ 194.421825] [<c0ab30c0>] (dump_stack) from [<c0127b78>] (__warn.part.3+0xbc/0xec)
  51. [ 194.429284] [<c0127b78>] (__warn.part.3) from [<c0127d10>] (warn_slowpath_null+0x44/0x4c)
  52. [ 194.437441] [<c0127d10>] (warn_slowpath_null) from [<c04f8f3c>] (_regulator_put.part.4+0x110/0x118)
  53. [ 194.446469] [<c04f8f3c>] (_regulator_put.part.4) from [<c04f8f70>] (regulator_put+0x2c/0x3c)
  54. [ 194.454868] [<c04f8f70>] (regulator_put) from [<c05b8eb8>] (release_nodes+0x1c0/0x204)
  55. [ 194.462743] [<c05b8eb8>] (release_nodes) from [<c05b4f20>] (device_release_driver_internal+0xec/0x1ac)
  56. [ 194.472038] [<c05b4f20>] (device_release_driver_internal) from [<c05b2d38>] (unbind_store+0x60/0xd4)
  57. [ 194.481135] [<c05b2d38>] (unbind_store) from [<c03332dc>] (kernfs_fop_write+0x100/0x1e0)
  58. [ 194.489175] [<c03332dc>] (kernfs_fop_write) from [<c02a2f60>] (__vfs_write+0x30/0x1c4)
  59. [ 194.497056] [<c02a2f60>] (__vfs_write) from [<c02a5a74>] (vfs_write+0xa4/0x184)
  60. [ 194.504323] [<c02a5a74>] (vfs_write) from [<c02a5ccc>] (ksys_write+0x5c/0xd4)
  61. [ 194.511417] [<c02a5ccc>] (ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x28)
  62. [ 194.519050] Exception stack(0xe50fbfa8 to 0xe50fbff0)
  63. [ 194.524020] bfa0: 0000000d 0054a958 00000001 0054a958 0000000d 00000000
  64. [ 194.532231] bfc0: 0000000d 0054a958 b6e7ebc8 00000004 0054a958 0000000d 00000000 00000000
  65. [ 194.540372] bfe0: 00000070 be9e1868 b6da3c80 b6dff784
  66. [ 194.545640] irq event stamp: 20765
  67. [ 194.548824] hardirqs last enabled at (20785): [<c0199aac>] console_unlock+0x440/0x64c
  68. [ 194.556794] hardirqs last disabled at (20802): [<c0199714>] console_unlock+0xa8/0x64c
  69. [ 194.564468] softirqs last enabled at (20800): [<c0102544>] __do_softirq+0x35c/0x654
  70. [ 194.572329] softirqs last disabled at (20819): [<c012fd80>] irq_exit+0x158/0x16c
  71. [ 194.579679] ---[ end trace 5ea20768939447c6 ]---
  72. [root@archl-xu4m exynos5_usb3drd_phy]#
  73. [root@archl-xu4m exynos5_usb3drd_phy]#
  74. [root@archl-xu4m exynos5_usb3drd_phy]# ls
  75. 12100000.phy bind uevent unbind
  76. [root@archl-xu4m exynos5_usb3drd_phy]# echo 12100000.phy > unbind
  77. [ 255.083548] ------------[ cut here ]------------
  78. [ 255.086915] WARNING: CPU: 7 PID: 292 at drivers/regulator/core.c:2036 _regulator_put.part.4+0x110/0x118
  79. [ 255.103543] Modules linked in: s5p_mfc s5p_jpeg exynos_gsc v4l2_mem2mem v4l2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc s5p_cec
  80. [ 255.120078] CPU: 7 PID: 292 Comm: bash Tainted: G W 5.2.0-rc6-next-20190626-xu4ml #21
  81. [ 255.128090] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
  82. [ 255.134078] [<c0112794>] (unwind_backtrace) from [<c010dfec>] (show_stack+0x10/0x14)
  83. [ 255.141825] [<c010dfec>] (show_stack) from [<c0ab30c0>] (dump_stack+0x98/0xc4)
  84. [ 255.148996] [<c0ab30c0>] (dump_stack) from [<c0127b78>] (__warn.part.3+0xbc/0xec)
  85. [ 255.156452] [<c0127b78>] (__warn.part.3) from [<c0127d10>] (warn_slowpath_null+0x44/0x4c)
  86. [ 255.164605] [<c0127d10>] (warn_slowpath_null) from [<c04f8f3c>] (_regulator_put.part.4+0x110/0x118)
  87. [ 255.173637] [<c04f8f3c>] (_regulator_put.part.4) from [<c04f8f70>] (regulator_put+0x2c/0x3c)
  88. [ 255.182038] [<c04f8f70>] (regulator_put) from [<c05b8eb8>] (release_nodes+0x1c0/0x204)
  89. [ 255.189904] [<c05b8eb8>] (release_nodes) from [<c05b4f20>] (device_release_driver_internal+0xec/0x1ac)
  90. [ 255.199208] [<c05b4f20>] (device_release_driver_internal) from [<c05b2d38>] (unbind_store+0x60/0xd4)
  91. [ 255.208304] [<c05b2d38>] (unbind_store) from [<c03332dc>] (kernfs_fop_write+0x100/0x1e0)
  92. [ 255.216339] [<c03332dc>] (kernfs_fop_write) from [<c02a2f60>] (__vfs_write+0x30/0x1c4)
  93. [ 255.224214] [<c02a2f60>] (__vfs_write) from [<c02a5a74>] (vfs_write+0xa4/0x184)
  94. [ 255.231476] [<c02a5a74>] (vfs_write) from [<c02a5ccc>] (ksys_write+0x5c/0xd4)
  95. [ 255.238569] [<c02a5ccc>] (ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x28)
  96. [ 255.246202] Exception stack(0xe50fbfa8 to 0xe50fbff0)
  97. [ 255.251154] bfa0: 0000000d 0054a958 00000001 0054a958 0000000d 00000000
  98. [ 255.259389] bfc0: 0000000d 0054a958 b6e7ebc8 00000004 0054a958 0000000d 00000000 00000000
  99. [ 255.267527] bfe0: 00000070 be9e1868 b6da3c80 b6dff784
  100. [ 255.272760] irq event stamp: 24513
  101. [ 255.275823] hardirqs last enabled at (24521): [<c0199aac>] console_unlock+0x440/0x64c
  102. [ 255.284014] hardirqs last disabled at (24540): [<c0199714>] console_unlock+0xa8/0x64c
  103. [ 255.291623] softirqs last enabled at (24538): [<c0102544>] __do_softirq+0x35c/0x654
  104. [ 255.299491] softirqs last disabled at (24557): [<c012fd80>] irq_exit+0x158/0x16c
  105. [ 255.306871] ---[ end trace 5ea20768939447c7 ]---
  106. [ 255.313098] ------------[ cut here ]------------
  107. [ 255.316630] WARNING: CPU: 7 PID: 292 at drivers/regulator/core.c:2036 _regulator_put.part.4+0x110/0x118
  108. [ 255.326443] Modules linked in: s5p_mfc s5p_jpeg exynos_gsc v4l2_mem2mem v4l2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc s5p_cec
  109. [ 255.342057] CPU: 7 PID: 292 Comm: bash Tainted: G W 5.2.0-rc6-next-20190626-xu4ml #21
  110. [ 255.350434] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
  111. [ 255.356439] [<c0112794>] (unwind_backtrace) from [<c010dfec>] (show_stack+0x10/0x14)
  112. [ 255.364194] [<c010dfec>] (show_stack) from [<c0ab30c0>] (dump_stack+0x98/0xc4)
  113. [ 255.371367] [<c0ab30c0>] (dump_stack) from [<c0127b78>] (__warn.part.3+0xbc/0xec)
  114. [ 255.378828] [<c0127b78>] (__warn.part.3) from [<c0127d10>] (warn_slowpath_null+0x44/0x4c)
  115. [ 255.386987] [<c0127d10>] (warn_slowpath_null) from [<c04f8f3c>] (_regulator_put.part.4+0x110/0x118)
  116. [ 255.396022] [<c04f8f3c>] (_regulator_put.part.4) from [<c04f8f70>] (regulator_put+0x2c/0x3c)
  117. [ 255.404419] [<c04f8f70>] (regulator_put) from [<c05b8eb8>] (release_nodes+0x1c0/0x204)
  118. [ 255.412291] [<c05b8eb8>] (release_nodes) from [<c05b4f20>] (device_release_driver_internal+0xec/0x1ac)
  119. [ 255.421594] [<c05b4f20>] (device_release_driver_internal) from [<c05b2d38>] (unbind_store+0x60/0xd4)
  120. [ 255.430688] [<c05b2d38>] (unbind_store) from [<c03332dc>] (kernfs_fop_write+0x100/0x1e0)
  121. [ 255.438723] [<c03332dc>] (kernfs_fop_write) from [<c02a2f60>] (__vfs_write+0x30/0x1c4)
  122. [ 255.446602] [<c02a2f60>] (__vfs_write) from [<c02a5a74>] (vfs_write+0xa4/0x184)
  123. [ 255.453864] [<c02a5a74>] (vfs_write) from [<c02a5ccc>] (ksys_write+0x5c/0xd4)
  124. [ 255.460956] [<c02a5ccc>] (ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x28)
  125. [ 255.468590] Exception stack(0xe50fbfa8 to 0xe50fbff0)
  126. [ 255.473542] bfa0: 0000000d 0054a958 00000001 0054a958 0000000d 00000000
  127. [ 255.481775] bfc0: 0000000d 0054a958 b6e7ebc8 00000004 0054a958 0000000d 00000000 00000000
  128. [ 255.489914] bfe0: 00000070 be9e1868 b6da3c80 b6dff784
  129. [ 255.495754] irq event stamp: 24803
  130. [ 255.498466] hardirqs last enabled at (24821): [<c0ad3d50>] _raw_spin_unlock_irq+0x24/0x5c
  131. [ 255.506950] hardirqs last disabled at (24842): [<c0acd058>] __schedule+0xc0/0x70c
  132. [ 255.514471] softirqs last enabled at (24864): [<c0102544>] __do_softirq+0x35c/0x654
  133. [ 255.522113] softirqs last disabled at (24851): [<c012fd80>] irq_exit+0x158/0x16c
  134. [ 255.529326] ---[ end trace 5ea20768939447c8 ]---
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