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  1. [root@test-01 ~]# gdb -p $(pgrep libvirtd)
  2. GNU gdb (GDB) 7.12.1
  3. Copyright (C) 2017 Free Software Foundation, Inc.
  4. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  5. This is free software: you are free to change and redistribute it.
  6. There is NO WARRANTY, to the extent permitted by law. Type "show copying"
  7. and "show warranty" for details.
  8. This GDB was configured as "x86_64-pc-linux-gnu".
  9. Type "show configuration" for configuration details.
  10. For bug reporting instructions, please see:
  11. <http://www.gnu.org/software/gdb/bugs/>.
  12. Find the GDB manual and other documentation resources online at:
  13. <http://www.gnu.org/software/gdb/documentation/>.
  14. For help, type "help".
  15. Type "apropos word" to search for commands related to "word".
  16. Attaching to process 874
  17. [New LWP 875]
  18. [New LWP 876]
  19. [New LWP 877]
  20. [New LWP 878]
  21. [New LWP 879]
  22. [New LWP 880]
  23. [New LWP 881]
  24. [New LWP 882]
  25. [New LWP 883]
  26. [New LWP 884]
  27. [New LWP 885]
  28. [New LWP 886]
  29. [New LWP 887]
  30. [New LWP 888]
  31. [New LWP 889]
  32. [New LWP 890]
  33. [Thread debugging using libthread_db enabled]
  34. Using host libthread_db library "/lib/libthread_db.so.1".
  35. 0x00007fd098e33c7d in poll () from /lib/libc.so.6
  36. (gdb) t a a bt
  37.  
  38. Thread 17 (Thread 0x7fd05d84c700 (LWP 890)):
  39. #0 0x00007fd098e33c7d in poll () from /lib/libc.so.6
  40. #1 0x00007fd09d746f7d in poll (__timeout=-1, __nfds=1, __fds=0x7fd05d84b3c0) at /usr/include/bits/poll2.h:41
  41. #2 virCommandProcessIO (cmd=cmd@entry=0x7fd04006c190) at util/vircommand.c:2063
  42. #3 0x00007fd09d74b1e2 in virCommandRun (cmd=0x7fd04006c190, exitstatus=exitstatus@entry=0x7fd05d84b924) at util/vircommand.c:2288
  43. #4 0x00007fd061c0cd5a in virQEMUCapsInitQMPCommandRun (cmd=cmd@entry=0x7fd0401278d0, forceTCG=forceTCG@entry=false) at qemu/qemu_capabilities.c:4808
  44. #5 0x00007fd061c13308 in virQEMUCapsInitQMP (qmperr=0x7fd05d84b9c0, runGid=0, runUid=0, libDir=0x7fd040029f90 "/var/lib/libvirt/qemu", qemuCaps=0x7fd04006b390) at qemu/qemu_capabilities.c:4864
  45. #6 virQEMUCapsNewForBinaryInternal (caps=caps@entry=0x7fd04001d310, binary=binary@entry=0x7fd040127c00 "/usr/bin/qemu-system-x86_64", libDir=0x7fd040029f90 "/var/lib/libvirt/qemu", cacheDir=0x7fd040008ec0 "/var/cache/libvirt/qemu",
  46. runUid=0, runGid=0, qmpOnly=false) at qemu/qemu_capabilities.c:4959
  47. #7 0x00007fd061c142ff in virQEMUCapsNewForBinary (runGid=<optimized out>, runUid=<optimized out>, cacheDir=<optimized out>, libDir=<optimized out>, binary=0x7fd040127c00 "/usr/bin/qemu-system-x86_64", caps=0x7fd04001d310)
  48. at qemu/qemu_capabilities.c:5004
  49. #8 virQEMUCapsCacheValidate (cache=0x7fd040029f40, binary=0x7fd040127c00 "/usr/bin/qemu-system-x86_64", caps=0x7fd04001d310, qemuCaps=0x7fd05d84bba0) at qemu/qemu_capabilities.c:5155
  50. #9 0x00007fd061c14410 in virQEMUCapsCacheLookup (caps=caps@entry=0x7fd04001d310, cache=cache@entry=0x7fd040029f40, binary=0x7fd040127c00 "/usr/bin/qemu-system-x86_64") at qemu/qemu_capabilities.c:5185
  51. #10 0x00007fd061c146e3 in virQEMUCapsInitGuest (guestarch=VIR_ARCH_I686, hostarch=VIR_ARCH_X86_64, cache=0x7fd040029f40, caps=0x7fd04001d310) at qemu/qemu_capabilities.c:894
  52. #11 virQEMUCapsInit (cache=0x7fd040029f40) at qemu/qemu_capabilities.c:1128
  53. #12 0x00007fd061c59270 in virQEMUDriverCreateCapabilities (driver=driver@entry=0x7fd040012230) at qemu/qemu_conf.c:926
  54. #13 0x00007fd061c9cfa4 in qemuStateInitialize (privileged=true, callback=<optimized out>, opaque=<optimized out>) at qemu/qemu_driver.c:844
  55. #14 0x00007fd09d839228 in virStateInitialize (privileged=true, callback=0x55a42b7ec110 <daemonInhibitCallback>, opaque=0x55a42d55b720) at libvirt.c:770
  56. #15 0x000055a42b7ec16b in daemonRunStateInit (opaque=0x55a42d55b720) at libvirtd.c:881
  57. #16 0x00007fd09d7ac222 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  58. #17 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  59. #18 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  60.  
  61. Thread 16 (Thread 0x7fd05f4cb700 (LWP 889)):
  62. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  63. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d589638, m=m@entry=0x55a42d589610) at util/virthread.c:154
  64. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d589450) at util/virthreadpool.c:124
  65. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  66. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  67. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  68.  
  69. Thread 15 (Thread 0x7fd05fccc700 (LWP 888)):
  70. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  71. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d589638, m=m@entry=0x55a42d589610) at util/virthread.c:154
  72. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d589ca0) at util/virthreadpool.c:124
  73. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  74. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  75. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  76.  
  77. Thread 14 (Thread 0x7fd0604cd700 (LWP 887)):
  78. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  79. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d589638, m=m@entry=0x55a42d589610) at util/virthread.c:154
  80. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d589290) at util/virthreadpool.c:124
  81. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  82. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  83. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  84.  
  85. Thread 13 (Thread 0x7fd060cce700 (LWP 886)):
  86. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  87. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d589638, m=m@entry=0x55a42d589610) at util/virthread.c:154
  88. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d589200) at util/virthreadpool.c:124
  89. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  90. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  91. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  92.  
  93. Thread 12 (Thread 0x7fd0614cf700 (LWP 885)):
  94. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  95. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d589638, m=m@entry=0x55a42d589610) at util/virthread.c:154
  96. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d589450) at util/virthreadpool.c:124
  97. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  98. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  99. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  100.  
  101. Thread 11 (Thread 0x7fd08f7fe700 (LWP 884)):
  102. ---Type <return> to continue, or q <return> to quit---
  103. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  104. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a9d8, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  105. #2 0x00007fd09d7acf44 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d5590b0) at util/virthreadpool.c:124
  106. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  107. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  108. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  109.  
  110. Thread 10 (Thread 0x7fd08ffff700 (LWP 883)):
  111. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  112. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a9d8, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  113. #2 0x00007fd09d7acf44 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d559370) at util/virthreadpool.c:124
  114. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  115. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  116. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  117.  
  118. Thread 9 (Thread 0x7fd094cca700 (LWP 882)):
  119. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  120. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a9d8, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  121. #2 0x00007fd09d7acf44 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d55a280) at util/virthreadpool.c:124
  122. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  123. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  124. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  125.  
  126. Thread 8 (Thread 0x7fd0954cb700 (LWP 881)):
  127. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  128. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a9d8, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  129. #2 0x00007fd09d7acf44 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d559370) at util/virthreadpool.c:124
  130. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  131. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  132. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  133.  
  134. Thread 7 (Thread 0x7fd095ccc700 (LWP 880)):
  135. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  136. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a9d8, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  137. #2 0x00007fd09d7acf44 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d5590b0) at util/virthreadpool.c:124
  138. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  139. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  140. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  141.  
  142. Thread 6 (Thread 0x7fd0964cd700 (LWP 879)):
  143. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  144. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a938, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  145. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d55a280) at util/virthreadpool.c:124
  146. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  147. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  148. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  149.  
  150. Thread 5 (Thread 0x7fd096cce700 (LWP 878)):
  151. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  152. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a938, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  153. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d559370) at util/virthreadpool.c:124
  154. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  155. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  156. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  157.  
  158. Thread 4 (Thread 0x7fd0974cf700 (LWP 877)):
  159. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  160. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a938, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  161. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d5590b0) at util/virthreadpool.c:124
  162. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  163. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  164. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  165.  
  166. Thread 3 (Thread 0x7fd097cd0700 (LWP 876)):
  167. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  168. ---Type <return> to continue, or q <return> to quit---
  169. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a938, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  170. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d55a280) at util/virthreadpool.c:124
  171. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  172. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  173. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  174.  
  175. Thread 2 (Thread 0x7fd0984d1700 (LWP 875)):
  176. #0 0x00007fd09b624fff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  177. #1 0x00007fd09d7ac456 in virCondWait (c=c@entry=0x55a42d55a938, m=m@entry=0x55a42d55a910) at util/virthread.c:154
  178. #2 0x00007fd09d7acf83 in virThreadPoolWorker (opaque=opaque@entry=0x55a42d55a360) at util/virthreadpool.c:124
  179. #3 0x00007fd09d7ac1f8 in virThreadHelper (data=<optimized out>) at util/virthread.c:206
  180. #4 0x00007fd09b61f3e4 in start_thread () from /lib/libpthread.so.0
  181. #5 0x00007fd098e3ccfd in clone () from /lib/libc.so.6
  182.  
  183. Thread 1 (Thread 0x7fd09e3fd840 (LWP 874)):
  184. #0 0x00007fd098e33c7d in poll () from /lib/libc.so.6
  185. #1 0x00007fd09d759da4 in poll (__timeout=-1, __nfds=6, __fds=<optimized out>) at /usr/include/bits/poll2.h:46
  186. #2 virEventPollRunOnce () at util/vireventpoll.c:641
  187. #3 0x00007fd09d758aa1 in virEventRunDefaultImpl () at util/virevent.c:314
  188. #4 0x00007fd09d8ae11d in virNetDaemonRun (dmn=0x55a42d55b720) at rpc/virnetdaemon.c:818
  189. #5 0x000055a42b7eb639 in main (argc=<optimized out>, argv=<optimized out>) at libvirtd.c:1541
  190. (gdb)
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