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L2 on vhe-L1 fp kernel panic before the cptr_el2 patch

jintack
Oct 29th, 2016
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  1. Freeing unused kernel memory: 400K (ffff00000883a000 - ffff00000889e000)
  2. Bad mode in Synchronous Abort handler detected, code 0x1fe00000 -- ASIMD
  3. CPU: 0 PID: 1 Comm: init Not tainted 4.6.0-rc1+ #5
  4. Hardware name: linux,dummy-virt (DT)
  5. task: ffff8002f20d8000 ti: ffff8002f20c4000 task.ti: ffff8002f20c4000
  6. PC is at fpsimd_load_state+0x0/0x60
  7. LR is at fpsimd_restore_current_state+0x68/0xb0
  8. pc : [<ffff000008086630>] lr : [<ffff0000080864cc>] pstate: 00000045
  9. sp : ffff8002f20c7e90
  10. x29: ffff8002f20c7e90 x28: ffff8002f20c4000
  11. x27: 0000000000000000 x26: 0000000000000000
  12. x25: 0000000000000000 x24: 0000000000000000
  13. x23: 0000000000000000 x22: 0000000000000000
  14. x21: 0000000000000000 x20: ffff8002f20d88c0
  15. x19: ffff8002f20c4000 x18: ffff0000086921f0
  16. x17: 000000000000000e x16: 0000000000000007
  17. x15: 0000000000000001 x14: 0000fffff18c8bb8
  18. x13: 0000000000000019 x12: 0000000000000000
  19. x11: 0000000000000017 x10: 0000000000000000
  20. x9 : 0000000000000000 x8 : 0000000040000000
  21. x7 : 0000000000210d00 x6 : ffff8002fffb44e0
  22. x5 : 0000000000000000 x4 : 0000000000000008
  23. x3 : 0000000000000003 x2 : 0000000000000000
  24. x1 : ffff8002f20c4000 x0 : ffff8002f20d88c0
  25.  
  26. Internal error: Oops - bad mode: 0 [#1] PREEMPT SMP
  27. Modules linked in:
  28. CPU: 0 PID: 1 Comm: init Not tainted 4.6.0-rc1+ #5
  29. Hardware name: linux,dummy-virt (DT)
  30. task: ffff8002f20d8000 ti: ffff8002f20c4000 task.ti: ffff8002f20c4000
  31. PC is at fpsimd_load_state+0x0/0x60
  32. LR is at fpsimd_restore_current_state+0x68/0xb0
  33. pc : [<ffff000008086630>] lr : [<ffff0000080864cc>] pstate: 00000045
  34. sp : ffff8002f20c7e90
  35. x29: ffff8002f20c7e90 x28: ffff8002f20c4000
  36. x27: 0000000000000000 x26: 0000000000000000
  37. x25: 0000000000000000 x24: 0000000000000000
  38. x23: 0000000000000000 x22: 0000000000000000
  39. x21: 0000000000000000 x20: ffff8002f20d88c0
  40. x19: ffff8002f20c4000 x18: ffff0000086921f0
  41. x17: 000000000000000e x16: 0000000000000007
  42. x15: 0000000000000001 x14: 0000fffff18c8bb8
  43. x13: 0000000000000019 x12: 0000000000000000
  44. x11: 0000000000000017 x10: 0000000000000000
  45. x9 : 0000000000000000 x8 : 0000000040000000
  46. x7 : 0000000000210d00 x6 : ffff8002fffb44e0
  47. x5 : 0000000000000000 x4 : 0000000000000008
  48. x3 : 0000000000000003 x2 : 0000000000000000
  49. x1 : ffff8002f20c4000 x0 : ffff8002f20d88c0
  50.  
  51. Process init (pid: 1, stack limit = 0xffff8002f20c4020)
  52. Stack: (0xffff8002f20c7e90 to 0xffff8002f20c8000)
  53. 7e80: ffff8002f20c7eb0 ffff000008089398
  54. 7ea0: 0000000000000008 0000000000000000 0000000000000000 ffff000008085d64
  55. 7ec0: ffff000008638db8 0000000000000000 0000000000000000 0000000000000000
  56. 7ee0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  57. 7f00: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  58. 7f20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  59. 7f40: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  60. 7f60: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  61. 7f80: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  62. 7fa0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  63. 7fc0: 0000000000000000 0000fffff18c8a50 0000ffff7e13df80 0000000000000000
  64. 7fe0: 0000000000000000 ffffffffffffffff 0000000000000000 0000000000000000
  65. Call trace:
  66. [<ffff000008086630>] fpsimd_load_state+0x0/0x60
  67. [<ffff000008089398>] do_notify_resume+0x20/0x60
  68. [<ffff000008085d64>] work_pending+0x10/0x14
  69. Code: d65f03c0 d503201f d503201f d503201f (ad400400)
  70. ---[ end trace 53ddc7b688e69c69 ]---
  71. note: init[1] exited with preempt_count 1
  72. Bad mode in Synchronous Abort handler detected, code 0x1fe00000 -- ASIMD
  73. CPU: 0 PID: 1 Comm: init Tainted: G D 4.6.0-rc1+ #5
  74. Hardware name: linux,dummy-virt (DT)
  75. task: ffff8002f20d8000 ti: ffff8002f20c4000 task.ti: ffff8002f20c4000
  76. PC is at fpsimd_save_state+0x0/0x60
  77. LR is at fpsimd_thread_switch+0x90/0x94
  78. pc : [<ffff0000080865d0>] lr : [<ffff0000080863c0>] pstate: 600001c5
  79. sp : ffff8002f20c7af0
  80. x29: ffff8002f20c7af0 x28: ffff8002f20c4000
  81. x27: ffff8002f20d8000 x26: 0000000000000000
  82. x25: 0000000000000001 x24: ffff00000863a778
  83. x23: ffff000008885000 x22: ffff8002f2301800
  84. x21: ffff8002f20d8000 x20: ffff8002f2360680
  85. x19: ffff8002f2301800 x18: ffff0000086921f0
  86. x17: 000000000000000e x16: 0000000000000007
  87. x15: 0000000000000001 x14: 3030303030303020
  88. x13: 3030303030303030 x12: 0000000000000020
  89. x11: 0000000000000006 x10: 0000000000000001
  90. x9 : 00000000000000f0 x8 : ffff8002fffb1068
  91. x7 : ffff8002fffb1090 x6 : ffff000008656ca0
  92. x5 : 0000000000000013 x4 : 000000000337f3e0
  93. x3 : 000000000000001b x2 : ffff8002f20d8000
  94. x1 : ffff8002f20c4000 x0 : ffff8002f20d88c0
  95.  
  96. Internal error: Oops - bad mode: 0 [#2] PREEMPT SMP
  97. Modules linked in:
  98. CPU: 0 PID: 1 Comm: init Tainted: G D 4.6.0-rc1+ #5
  99. Hardware name: linux,dummy-virt (DT)
  100. task: ffff8002f20d8000 ti: ffff8002f20c4000 task.ti: ffff8002f20c4000
  101. PC is at fpsimd_save_state+0x0/0x60
  102. LR is at fpsimd_thread_switch+0x90/0x94
  103. pc : [<ffff0000080865d0>] lr : [<ffff0000080863c0>] pstate: 600001c5
  104. sp : ffff8002f20c7af0
  105. x29: ffff8002f20c7af0 x28: ffff8002f20c4000
  106. x27: ffff8002f20d8000 x26: 0000000000000000
  107. x25: 0000000000000001 x24: ffff00000863a778
  108. x23: ffff000008885000 x22: ffff8002f2301800
  109. x21: ffff8002f20d8000 x20: ffff8002f2360680
  110. x19: ffff8002f2301800 x18: ffff0000086921f0
  111. x17: 000000000000000e x16: 0000000000000007
  112. x15: 0000000000000001 x14: 3030303030303020
  113. x13: 3030303030303030 x12: 0000000000000020
  114. x11: 0000000000000006 x10: 0000000000000001
  115. x9 : 00000000000000f0 x8 : ffff8002fffb1068
  116. x7 : ffff8002fffb1090 x6 : ffff000008656ca0
  117. x5 : 0000000000000013 x4 : 000000000337f3e0
  118. x3 : 000000000000001b x2 : ffff8002f20d8000
  119. x1 : ffff8002f20c4000 x0 : ffff8002f20d88c0
  120.  
  121. Process init (pid: 1, stack limit = 0xffff8002f20c4020)
  122. Stack: (0xffff8002f20c7af0 to 0xffff8002f20c8000)
  123. 7ae0: ffff8002f20c7b10 ffff000008086b6c
  124. 7b00: ffff8002f20d8000 ffff8002f20c4000 ffff8002f20c7b40 ffff00000863a128
  125. 7b20: ffff8002fffb1000 ffff8002f20d8000 ffff8002f20d8000 ffff8002f2301800
  126. 7b40: ffff8002f20c7b90 ffff00000863a778 ffff8002f20c4000 000000000000000b
  127. 7b60: 0000000000000208 ffff8002f20c7d70 0000000000000001 ffff8002f20d8000
  128. 7b80: 0000000000000000 ffff8002f20c7c50 ffff8002f20c7bb0 ffff00000863a7ac
  129. 7ba0: ffff8002f20e4000 00000000ffffffc8 ffff8002f20c7bc0 ffff00000863a7d4
  130. 7bc0: ffff8002f20c7bd0 ffff00000863dab8 ffff8002f20c7be0 ffff000008121a1c
  131. 7be0: ffff8002f20c7c10 ffff0000080bc280 000000000000000b ffff8002f20c4000
  132. 7c00: ffff000008773660 3936653838366237 ffff8002f20c7c80 ffff000008089b84
  133. 7c20: ffff000008904000 0000000000000000 ffff000008773660 ffff8002f20c7d70
  134. 7c40: ffff8002f20c4000 ffff8002f20d8000 0000000000000000 0000000000000000
  135. 7c60: 0000000000000000 ffff8002f20c4000 ffff8002f20c7c80 ffff000008089ab0
  136. 7c80: ffff8002f20c7cc0 ffff000008089c60 ffff8002f20c7d70 ffff000008086630
  137. 7ca0: ffff8002f20c7e90 ffff000008086630 0000000000000045 0000000000000007
  138. 7cc0: ffff8002f20c7cd0 ffff000008089eac ffff8002f20c7e90 ffff0000080864cc
  139. 7ce0: ffff8002f20c4000 ffff8002f20d88c0 0000000000000004 0000000100030001
  140. 7d00: ffff000008086630 ffff8002f20c4000 ffff8002f20c4000 ffff8002f20c4000
  141. 7d20: 000000000004c5b0 0000000000000000 ffff8002f20c4000 000000000003c1ac
  142. 7d40: 0000000100000000 ffff8002f145be00 0000fffff18c8bc8 ffff800000000002
  143. 7d60: ffff8002f20c7dc0 ffff0000081b61d4 ffff8002f20d88c0 ffff8002f20c4000
  144. 7d80: 0000000000000000 0000000000000003 0000000000000008 0000000000000000
  145. 7da0: ffff8002fffb44e0 0000000000210d00 0000000040000000 0000000000000000
  146. 7dc0: 0000000000000000 0000000000000017 0000000000000000 0000000000000019
  147. 7de0: 0000fffff18c8bb8 0000000000000001 0000000000000007 000000000000000e
  148. 7e00: ffff0000086921f0 ffff8002f20c4000 ffff8002f20d88c0 0000000000000000
  149. 7e20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  150. 7e40: 0000000000000000 0000000000000000 ffff8002f20c4000 ffff8002f20c7e90
  151. 7e60: ffff0000080864cc ffff8002f20c7e90 ffff000008086630 0000000000000045
  152. 7e80: ffff8002f20c7ea0 ffff0000088af800 ffff8002f20c7eb0 ffff000008089398
  153. 7ea0: 0000000000000008 0000000000000000 0000000000000000 ffff000008085d64
  154. 7ec0: ffff000008638db8 0000000000000000 0000000000000000 0000000000000000
  155. 7ee0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  156. 7f00: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  157. 7f20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  158. 7f40: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  159. 7f60: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  160. 7f80: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  161. 7fa0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  162. 7fc0: 0000000000000000 0000fffff18c8a50 0000ffff7e13df80 0000000000000000
  163. 7fe0: 0000000000000000 ffffffffffffffff 0000000000000000 0000000000000000
  164. Call trace:
  165. [<ffff0000080865d0>] fpsimd_save_state+0x0/0x60
  166. [<ffff000008086b6c>] __switch_to+0x1c/0xdc
  167. [<ffff00000863a128>] __schedule+0x1b0/0x578
  168. [<ffff00000863a778>] preempt_schedule_common+0x24/0x44
  169. [<ffff00000863a7ac>] preempt_schedule.part.68+0x14/0x1c
  170. [<ffff00000863a7d4>] preempt_schedule+0x20/0x24
  171. [<ffff00000863dab8>] _raw_spin_unlock_irq+0x38/0x40
  172. [<ffff000008121a1c>] acct_collect+0x158/0x1b8
  173. [<ffff0000080bc280>] do_exit+0x6f8/0x974
  174. [<ffff000008089b84>] die+0x19c/0x1b4
  175. [<ffff000008089c60>] arm64_notify_die+0x1c/0x54
  176. [<ffff000008089eac>] bad_mode+0x8c/0x98
  177. [<ffff0000080864cc>] fpsimd_restore_current_state+0x68/0xb0
  178. [<ffff000008089398>] do_notify_resume+0x20/0x60
  179. [<ffff000008085d64>] work_pending+0x10/0x14
  180. Code: 52800801 b90ad001 d65f03c0 00000000 (ad000400)
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