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jintack

hrtimer panic

jintack
Dec 21st, 2016
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  1. Unable to handle kernel NULL pointer dereference at virtual address 00000000^M
  2. pgd = ffff800f89089000^M
  3. [00000000] *pgd=0000004fb4728003Internal error: Oops: 96000006 [#1] PREEMPT SMP^M
  4. Modules linked in:^M
  5. CPU: 5 PID: 3296 Comm: systemd-udevd Not tainted 4.9.0-rc2+ #56^M
  6. Hardware name: HP ProLiant m400 Server Cartridge (DT)^M
  7. task: ffff800fb22fa580 task.stack: ffff800fafbbc000^M
  8. PC is at rb_erase+0x18c/0x360^M
  9. LR is at timerqueue_del+0x38/0x84^M
  10. pc : [<ffff000008397ed8>] lr : [<ffff0000083996ac>] pstate: 600001c5^M
  11. sp : ffff800fafbbf880^M
  12. x29: ffff800fafbbf880 x28: ffff800fafbbfad4 ^M
  13. x27: 0000000000000000 x26: 0000000000000000 ^M
  14. x25: ffff800fb4746400 x24: 0000000000000020 ^M
  15. x23: 0000000000000001 x22: ffff800ffff74080 ^M
  16. x21: 0000000000000000 x20: ffff800ffff740d0 ^M
  17. x19: ffff800fafbbf968 x18: 0000ffffcb8576a0 ^M
  18. x17: 0000ffffad5d0280 x16: ffff0000080d0e70 ^M
  19. x15: 0000ffffad678590 x14: ffffffffffffffff ^M
  20. x13: ffffffffffffffff x12: 0000000000000005 ^M
  21. x11: 0000000000000000 x10: 0000000000000880 ^M
  22. x9 : ffff800fafbbc000 x8 : ffff800fb22fae60 ^M
  23. x7 : ffff000008aa7400 x6 : 0000000000004d35 ^M
  24. x5 : 0000000000000000 x4 : 0000000000000000 ^M
  25. x3 : 0000000000000000 x2 : ffff800fb38fefc8 ^M
  26. x1 : ffff800ffff740d0 x0 : 0000000000000000 ^M
  27. ^M
  28. Process systemd-udevd (pid: 3296, stack limit = 0xffff800fafbbc020)^M
  29. Stack: (0xffff800fafbbf880 to 0xffff800fafbc0000)^M
  30. f880: ffff800fafbbf8a0 ffff00000812cfbc ffff800fafbbf968 ffff800ffff740c0^M
  31. f8a0: ffff800fafbbf8e0 ffff00000812d4d0 ffff800fafbbf968 0000000000000001^M
  32. f8c0: ffff800ffff740c0 0000000000000000 0000000000000000 0000000000000000^M
  33. f8e0: ffff800fafbbf920 ffff00000875cb0c ffff800fafbbfab8 0000000000000000^M
  34. f900: 0000000001d8fa06 ffff00000875cafc ffff800fafbbfab8 0000000000000140^M
  35. f920: ffff800fafbbf9b0 ffff00000875cb9c ffff800fafbbfab8 0000000000000001^M
  36. f940: 0000000000000000 ffff0000081acaac ffff800fafbbf980 0000000000000001^M
  37. f960: ffff800faf869050 ffff800fb38fefc9 0000000000000000 0000000000000000^M
  38. f980: 000000130aa196ea 0000001308c89ce4 ffff00000812ce88 ffff800ffff740c0^M
  39. f9a0: 0000000000000000 ffff800fb22fa580 ffff800fafbbf9e0 ffff000008224bd8^M
  40. f9c0: ffff800fafbbfbc0 ffff00000825c758 0000000000000000 0000000001d8fa06^M
  41. f9e0: ffff800fafbbfa10 ffff0000082260e4 0000000000000000 ffff800fafbbfad4^M
  42. fa00: 0000000001d8fa06 ffff800fafbbfab8 ffff800fafbbfe30 ffff000008226564^M
  43. fa20: 0000ffffdcf0ee60 0000000000000000 0000000000000000 0000000000000001^M
  44. fa40: 0000ffffdcf0ef48 ffff800fafbbfea0 ffff800fafbbfeb0 0000000000000049^M
  45. fa60: ffff000008772000 ffff800fafbbc000 0000000000000001 ffff800fafbbc000^M
  46. fa80: 0000000001d8fa06 0000000000000000 ffff800fafbbfeb0 ffff800fafbbfab8^M
  47. faa0: 0000000000000001 0000ffffdcf0ef48 ffff800fafbbfc20 0000001308c89ce4^M
  48. fac0: 0000000000000000 0000000300000001 00a0004f00000001 ffff800fb1d219a0^M
  49. fae0: ffff800fb0a49ff0 ffff800fb47baa00 0000ffffad3ed000 0000ffffad3ee000^M
  50. fb00: 00a0004f8fd07fd3 0000000000000002 ffff000008aca000 ffff800fb38ecb00^M
  51. fb20: ffff000008a16a90 ffff000008a16958 ffff800fafbbfba0 ffff0000081d5bb8^M
  52. fb40: ffff800fb4407700 ffff7e003ed1bf00 ffff800faf8b1738 0000000000000000^M
  53. fb60: 0000000000000000 0000000000000000 ffff800fb38eca50 0000000000000000^M
  54. fb80: ffff800fafbbfba0 ffff0000081d5c24 ffff800fb4407700 000000000000000a^M
  55. fba0: ffff000008a16a90 ffff000008a16958 ffff800fafbbfbe0 ffff0000081e3b4c^M
  56. fbc0: 0000000000000000 0000000000000019 0000000000000000 ffff800fb22fa580^M
  57. fbe0: 0000000000000001 0000000000000001 ffff800fb4746400 0000000000000019^M
  58. fc00: ffff800f00000000 ffff800fafbbfbc0 ffff000008224d40 ffff800fb4507150^M
  59. fc20: ffff800faf869058 ffff800faf869050 ffff7e003e3f41c0 ffff800fafbbfd68^M
  60. fc40: 00a0004f8fd07fd3 ffff800fb1d219a0 ffff800fb0a49ff0 ffff800f89089000^M
  61. fc60: ffff800fb47baa00 ffff800fb47baa68 0000000000000055 0000000000000002^M
  62. fc80: ffff800fafbbfcf0 ffff0000081d9b1c 00a0004f8fd07fd3 ffff800fb1d219a0^M
  63. fca0: ffff800fafbbfd68 ffff0000088f0000 ffff800fb0a49ff0 ffff000008101cf4^M
  64. fcc0: ffff800f00000002 ffff0000083b7fe0 ffff800fafbbfcf0 ffff0000081d97b4^M
  65. fce0: 00a0004f8fd07fd3 ffff0000087808c0 ffff800fafbbfda0 ffff000008097024^M
  66. fd00: ffff800fb22fa580 ffff800fafbbfec0 000000009200004f 0000000000000024^M
  67. fd20: ffff800fb47baa00 0000ffffad3eddf8 ffff800fb1d219a0 ffff800fb47baa68^M
  68. fd40: ffff800fafbbfd60 ffff0000080f550c ffff800fafbbfd80 ffff0000081dcf98^M
  69. fd60: 0000ffffad3eddf8 ffff800fb1d219a0 0000ffffad3ed000 0000000000000055^M
  70. fd80: ffff800fafbbfda0 ffff000008096fa4 ffff800fb22fa580 0000000000000000^M
  71. fda0: ffff800fafbbfdb0 ffff00000860ac80 ffff800fafbbfdc0 ffff000008132c80^M
  72. fdc0: ffff800fafbbfe00 ffff000008224ffc ffff800fafbbfeb0 000000000000001e^M
  73. fde0: 000000003b6d0340 000000003b6d0340 000000000000001e 000000002cfc79a4^M
  74. fe00: ffff800fafbbfe30 ffff0000082263f8 0000ffffdcf0ee60 0000000000000000^M
  75. fe20: 0000000000000000 0000ffffdcf0ee00 0000000000000000 ffff0000080836f0^M
  76. fe40: 0000000000000000 0000000000000000 ffffffffffffffff 0000ffffad366be0^M
  77. fe60: 0000000080000000 0000000000000015 0000000000000123 ffff800fb740302b^M
  78. fe80: 0000000000000000 ffff0000080836f0 0000000000000000 0000ffffdcf0ede0^M
  79. fea0: 000000000000001e 000000003b6d0340 0000000000000051 000000002cceb2e4^M
  80. fec0: 0000ffffdcf0ef48 0000000000000001 0000ffffdcf0ee60 0000000000000000^M
  81. fee0: 0000000000000000 0000000001c9c380 0000ffffad57f000 0000000000003a32^M
  82. ff00: 0000000000000049 003b9aca00000000 0000000000000032 000000002cfc742c^M
  83. ff20: 0000000000000018 00000000585ad16a 0039e2f97f9826bd 00003948cb42dfa5^M
  84. ff40: 0000000000444ad8 0000ffffad366b6c 0000ffffdcf0c710 0000ffffdcf0ef48^M
  85. ff60: 0000000000000000 00000000004248b8 00000000004246b0 00000000004246c0^M
  86. ff80: 0000ffffdcf10bf8 000000000045c2e0 0000000000000ce3 00000000004246c0^M
  87. ffa0: 0000000000444000 0000ffffdcf0ee30 0000000000408ed8 0000ffffdcf0ee30^M
  88. ffc0: 0000ffffad366be0 0000000080000000 0000ffffdcf0ef48 0000000000000049^M
  89. ffe0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000^M
  90. Call trace:^M
  91. Exception stack(0xffff800fafbbf6b0 to 0xffff800fafbbf7e0)^M
  92. f6a0: ffff800fafbbf968 0001000000000000^M
  93. f6c0: ffff800fafbbf880 ffff000008397ed8 0000000000000000 ffff000008aa8480^M
  94. f6e0: 0000000000400000 0000000180150015 0000000100150015 ffff800ffffa81b0^M
  95. f700: ffff000008aca000 ffff0000081acaac 0000000000000000 00000000024200ca^M
  96. f720: 0000000000000000 0000000000000000 ffff800fafbbf800 ffff0000081acaac^M
  97. f740: ffff800fafbbf780 ffff0000081ab800 0000000000000000 ffff800ffff740d0^M
  98. f760: ffff800fb38fefc8 0000000000000000 0000000000000000 0000000000000000^M
  99. f780: 0000000000004d35 ffff000008aa7400 ffff800fb22fae60 ffff800fafbbc000^M
  100. f7a0: 0000000000000880 0000000000000000 0000000000000005 ffffffffffffffff^M
  101. f7c0: ffffffffffffffff 0000ffffad678590 ffff0000080d0e70 0000ffffad5d0280^M
  102. [<ffff000008397ed8>] rb_erase+0x18c/0x360^M
  103. [<ffff00000812cfbc>] __remove_hrtimer+0x5c/0xc4^M
  104. [<ffff00000812d4d0>] hrtimer_try_to_cancel+0xb4/0x158^M
  105. [<ffff00000875cb0c>] schedule_hrtimeout_range_clock+0xa8/0x104^M
  106. [<ffff00000875cb9c>] schedule_hrtimeout_range+0x34/0x40^M
  107. [<ffff000008224bd8>] poll_schedule_timeout+0x54/0x7c^M
  108. [<ffff0000082260e4>] do_sys_poll+0x394/0x4a0^M
  109. [<ffff000008226564>] SyS_ppoll+0x218/0x22c^M
  110. [<ffff0000080836f0>] el0_svc_naked+0x24/0x28^M
  111. Code: f9400440 eb03001f 54fffbc1 f9400840 (f9400003) ^M
  112. random: crng init done^M
  113. INFO: rcu_preempt detected stalls on CPUs/tasks:INFO: rcu_sched detected stalls on CPUs/tasks:^M
  114. 5-...: (0 ticks this GP) idle=95d/140000000000001/0 softirq=1386/1386 fqs=2449 ^M
  115. ^M
  116. (detected by 0, t=5252 jiffies, g=-146, c=-147, q=1)^M
  117. Task dump for CPU 5:^M
  118. systemd-udevd R^M
  119. running task 0 3296 1084 0x0000000a^M
  120. Call trace:^M
  121. [<ffff0000080860dc>] __switch_to+0xa8/0xb4^M
  122. [<ffff00000812cfbc>] __remove_hrtimer+0x5c/0xc4^M
  123. [<ffff00000812d4d0>] hrtimer_try_to_cancel+0xb4/0x158^M
  124. [<ffff00000875cb0c>] schedule_hrtimeout_range_clock+0xa8/0x104^M
  125. [<ffff00000875cb9c>] schedule_hrtimeout_range+0x34/0x40^M
  126. [<ffff000008224bd8>] poll_schedule_timeout+0x54/0x7c^M
  127. [<ffff0000082260e4>] do_sys_poll+0x394/0x4a0^M
  128. [<ffff000008226564>] SyS_ppoll+0x218/0x22c^M
  129. [<ffff0000080836f0>] el0_svc_naked+0x24/0x28^M
  130. 5-...: (1 GPs behind) idle=95d/140000000000001/0 softirq=1382/1386 fqs=2534 ^M
  131. (detected by 6, t=5480 jiffies, g=1044, c=1043, q=1023)^M
  132. Task dump for CPU 5:^M
  133. systemd-udevd R running task 0 3296 1084 0x0000000a^M
  134. Call trace:^M
  135. [<ffff0000080860dc>] __switch_to+0xa8/0xb4^M
  136. [<ffff00000812cfbc>] __remove_hrtimer+0x5c/0xc4^M
  137. [<ffff00000812d4d0>] hrtimer_try_to_cancel+0xb4/0x158^M
  138. [<ffff00000875cb0c>] schedule_hrtimeout_range_clock+0xa8/0x104^M
  139. [<ffff00000875cb9c>] schedule_hrtimeout_range+0x34/0x40^M
  140. [<ffff000008224bd8>] poll_schedule_timeout+0x54/0x7c^M
  141. [<ffff0000082260e4>] do_sys_poll+0x394/0x4a0^M
  142. [<ffff000008226564>] SyS_ppoll+0x218/0x22c^M
  143. [<ffff0000080836f0>] el0_svc_naked+0x24/0x28^M
  144. INFO: rcu_preempt detected stalls on CPUs/tasks:INFO: rcu_sched detected stalls on CPUs/tasks:^M
  145. 5-...: (0 ticks this GP) idle=95d/140000000000001/0 softirq=1386/1386 fqs=9709 ^M
  146. ^M
  147. (detected by 4, t=21007 jiffies, g=-146, c=-147, q=1)^M
  148. Task dump for CPU 5:^M
  149. systemd-udevd R^M
  150. running task 0 3296 1084 0x0000000b^M
  151. Call trace:^M
  152. [<ffff0000080860dc>] __switch_to+0xa8/0xb4^M
  153. [<ffff00000812cfbc>] __remove_hrtimer+0x5c/0xc4^M
  154. [<ffff00000812d4d0>] hrtimer_try_to_cancel+0xb4/0x158^M
  155. [<ffff00000875cb0c>] schedule_hrtimeout_range_clock+0xa8/0x104^M
  156. [<ffff00000875cb9c>] schedule_hrtimeout_range+0x34/0x40^M
  157. [<ffff000008224bd8>] poll_schedule_timeout+0x54/0x7c^M
  158. [<ffff0000082260e4>] do_sys_poll+0x394/0x4a0^M
  159. [<ffff000008226564>] SyS_ppoll+0x218/0x22c^M
  160. [<ffff0000080836f0>] el0_svc_naked+0x24/0x28^M
  161. 5-...: (1 GPs behind) idle=95d/140000000000001/0 softirq=1382/1386 fqs=9407 ^M
  162. (detected by 6, t=21236 jiffies, g=1044, c=1043, q=1524)^M
  163. Task dump for CPU 5:^M
  164. systemd-udevd R running task 0 3296 1084 0x0000000b^M
  165. Call trace:^M
  166. [<ffff0000080860dc>] __switch_to+0xa8/0xb4^M
  167. [<ffff00000812cfbc>] __remove_hrtimer+0x5c/0xc4^M
  168. [<ffff00000812d4d0>] hrtimer_try_to_cancel+0xb4/0x158^M
  169. [<ffff00000875cb0c>] schedule_hrtimeout_range_clock+0xa8/0x104^M
  170. [<ffff00000875cb9c>] schedule_hrtimeout_range+0x34/0x40^M
  171. [<ffff000008224bd8>] poll_schedule_timeout+0x54/0x7c^M
  172. [<ffff0000082260e4>] do_sys_poll+0x394/0x4a0^M
  173. [<ffff000008226564>] SyS_ppoll+0x218/0x22c^M
  174. [<ffff0000080836f0>] el0_svc_naked+0x24/0x28^M
  175. INFO: rcu_preempt detected stalls on CPUs/tasks:INFO: rcu_sched detected stalls on CPUs/tasks:^M
  176. 5-...: (0 ticks this GP) idle=95d/140000000000001/0 softirq=1386/1386 fqs=16961 ^M
  177. ^M
  178. (detected by 3, t=36762 jiffies, g=-146, c=-147, q=1)^M
  179. Task dump for CPU 5:^M
  180. systemd-udevd R^M
  181. running task 0 3296 1084 0x0000000b^M
  182. Call trace:^M
  183. [<ffff0000080860dc>] __switch_to+0xa8/0xb4^M
  184. [<ffff00000812cfbc>] __remove_hrtimer+0x5c/0xc4^M
  185. [<ffff00000812d4d0>] hrtimer_try_to_cancel+0xb4/0x158^M
  186. [<ffff00000875cb0c>] schedule_hrtimeout_range_clock+0xa8/0x104^M
  187. [<ffff00000875cb9c>] schedule_hrtimeout_range+0x34/0x40^M
  188. [<ffff000008224bd8>] poll_schedule_timeout+0x54/0x7c^M
  189. [<ffff0000082260e4>] do_sys_poll+0x394/0x4a0^M
  190. [<ffff000008226564>] SyS_ppoll+0x218/0x22c^M
  191. [<ffff0000080836f0>] el0_svc_naked+0x24/0x28^M
  192. 5-...: (1 GPs behind) idle=95d/140000000000001/0 softirq=1382/1386 fqs=16393 ^M
  193. (detected by 4, t=36991 jiffies, g=1044, c=1043, q=1997)^M
  194. Task dump for CPU 5:^M
  195. systemd-udevd R running task 0 3296 1084 0x0000000b^M
  196. Call trace:^M
  197. [<ffff0000080860dc>] __switch_to+0xa8/0xb4^M
  198. [<ffff00000812cfbc>] __remove_hrtimer+0x5c/0xc4^M
  199. [<ffff00000812d4d0>] hrtimer_try_to_cancel+0xb4/0x158^M
  200. [<ffff00000875cb0c>] schedule_hrtimeout_range_clock+0xa8/0x104^M
  201. [<ffff00000875cb9c>] schedule_hrtimeout_range+0x34/0x40^M
  202. [<ffff000008224bd8>] poll_schedule_timeout+0x54/0x7c^M
  203. [<ffff0000082260e4>] do_sys_poll+0x394/0x4a0^M
  204. [<ffff000008226564>] SyS_ppoll+0x218/0x22c^M
  205. [<ffff0000080836f0>] el0_svc_naked+0x24/0x28^M
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