| 1 | [root@hydra vbaa]# gdb /usr/lib/virtualbox/VBoxHeadless
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| 2 | GNU gdb (GDB) 7.8.1
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| 3 | Copyright (C) 2014 Free Software Foundation, Inc.
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| 4 | License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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| 5 | This is free software: you are free to change and redistribute it.
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| 6 | There is NO WARRANTY, to the extent permitted by law. Type "show copying"
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| 7 | and "show warranty" for details.
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| 8 | This GDB was configured as "x86_64-unknown-linux-gnu".
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| 9 | Type "show configuration" for configuration details.
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| 10 | For bug reporting instructions, please see:
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| 11 | <http://www.gnu.org/software/gdb/bugs/>.
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| 12 | Find the GDB manual and other documentation resources online at:
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| 13 | <http://www.gnu.org/software/gdb/documentation/>.
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| 14 | For help, type "help".
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| 15 | Type "apropos word" to search for commands related to "word"...
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| 16 | Reading symbols from /usr/lib/virtualbox/VBoxHeadless...done.
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| 17 | (gdb) run -s any -f '/tmp/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' -c
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| 18 | Starting program: /usr/lib/virtualbox/VBoxHeadless -s any -f '/tmp/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' -c
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| 19 | warning: Could not load shared library symbols for linux-vdso.so.1.
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| 20 | Do you need "set solib-search-path" or "set sysroot"?
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| 21 | [Thread debugging using libthread_db enabled]
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| 22 | Using host libthread_db library "/usr/lib/libthread_db.so.1".
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| 23 | [New Thread 0x7fdb081aa700 (LWP 24675)]
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| 24 | [New Thread 0x7fdb079a9700 (LWP 24676)]
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| 25 | [Thread 0x7fdb079a9700 (LWP 24676) exited]
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| 26 | [Thread 0x7fdb081aa700 (LWP 24675) exited]
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| 27 | Oracle VM VirtualBox Headless Interface 4.3.20_OSE
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| 28 | (C) 2008-2014 Oracle Corporation
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| 29 | All rights reserved.
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| 30 |
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| 31 | [New Thread 0x7fdb0c364700 (LWP 24677)]
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| 32 | [New Thread 0x7fdb0c32a700 (LWP 24678)]
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| 33 | [New Thread 0x7fdb0c309700 (LWP 24679)]
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| 34 | [New Thread 0x7fdb0c288700 (LWP 24680)]
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| 35 | [New Thread 0x7fdb0c207700 (LWP 24690)]
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| 36 | [New Thread 0x7fdb04683700 (LWP 24691)]
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| 37 | [New Thread 0x7fdb0415b700 (LWP 24701)]
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| 38 | [New Thread 0x7fdaf7cbe700 (LWP 24702)]
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| 39 | [New Thread 0x7fdaf6833700 (LWP 24703)]
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| 40 | [New Thread 0x7fdaf65a7700 (LWP 24704)]
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| 41 | [New Thread 0x7fdaf631e700 (LWP 24705)]
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| 42 | [New Thread 0x7fdaf4a56700 (LWP 24706)]
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| 43 | [New Thread 0x7fdaf49d5700 (LWP 24707)]
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| 44 | [New Thread 0x7fdaf40e4700 (LWP 24708)]
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| 45 | [New Thread 0x7fdada801700 (LWP 24709)]
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| 46 |
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| 47 | Program received signal SIGSEGV, Segmentation fault.
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| 48 | [Switching to Thread 0x7fdb0415b700 (LWP 24701)]
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| 49 | vdmaVBVACtlSubmit (pVdma=0x0, pCtl=0x7fdb0415aca0, enmSource=VBVAEXHOSTCTL_SOURCE_HOST, pfnComplete=0x7fdadb6ac2e0 <vdmaVBVACtlSubmitSyncCompletion(VBVAEXHOSTCONTEXT*, VBVAEXHOSTCTL*, int, void*)>, pvComplete=0x7fdb0415ac50)
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| 50 | at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp:2831
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| 51 | 2831 int rc = VBoxVBVAExHCtlSubmit(&pVdma->CmdVbva, pCtl, enmSource, pfnComplete, pvComplete);
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| 52 | (gdb) bt
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| 53 | #0 vdmaVBVACtlSubmit (pVdma=0x0, pCtl=0x7fdb0415aca0, enmSource=VBVAEXHOSTCTL_SOURCE_HOST, pfnComplete=0x7fdadb6ac2e0 <vdmaVBVACtlSubmitSyncCompletion(VBVAEXHOSTCONTEXT*, VBVAEXHOSTCTL*, int, void*)>,
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| 54 | pvComplete=0x7fdb0415ac50) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp:2831
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| 55 | #1 0x00007fdadb6ae3d9 in vdmaVBVACtlSubmitSync (pVdma=pVdma@entry=0x0, pCtl=pCtl@entry=0x7fdb0415aca0, enmSource=VBVAEXHOSTCTL_SOURCE_HOST)
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| 56 | at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp:3120
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| 57 | #2 0x00007fdadb6ae5ab in vdmaVBVACtlDisableSync (pVdma=pVdma@entry=0x0) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp:1144
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| 58 | #3 0x00007fdadb6b07f1 in vboxVDMADestruct (pVdma=0x0) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp:2758
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| 59 | #4 0x00007fdadb642ba0 in vgaR3Destruct (pDevIns=0x7fdb04007000) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Devices/Graphics/DevVGA.cpp:5770
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| 60 | #5 0x00007fdb041e5e5c in PDMR3Term (pVM=pVM@entry=0x7fdb0403b000) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/VMM/VMMR3/PDM.cpp:687
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| 61 | #6 0x00007fdb041e6108 in PDMR3Init (pVM=0x7fdb0403b000) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/VMM/VMMR3/PDM.cpp:433
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| 62 | #7 0x00007fdb042435eb in vmR3InitRing3 (pUVM=<optimized out>, pVM=<optimized out>) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/VMM/VMMR3/VM.cpp:987
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| 63 | #8 vmR3CreateU (pUVM=0x7fdaf7e00000, cCpus=<optimized out>, pfnCFGMConstructor=<optimized out>, pvUserCFGM=<optimized out>) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/VMM/VMMR3/VM.cpp:654
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| 64 | #9 0x00007fdb04247543 in vmR3ReqProcessOneU (pUVM=pUVM@entry=0x7fdaf7e00000, pReq=0x7fdaf0007470) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/VMM/VMMR3/VMReq.cpp:1254
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| 65 | #10 0x00007fdb04248620 in VMR3ReqProcessU (pUVM=0x7fdaf7e00000, idDstCpu=4294967284, fPriorityOnly=<optimized out>) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/VMM/VMMR3/VMReq.cpp:1170
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| 66 | #11 0x00007fdb04246703 in vmR3EmulationThreadWithId (ThreadSelf=<optimized out>, pUVCpu=0x7fdaf7e01f20, idCpu=0) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/VMM/VMMR3/VMEmt.cpp:123
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| 67 | #12 0x00007fdb0b63a1ec in rtThreadMain (pThread=0x7fdaf00068e0, NativeThread=<optimized out>, pszThreadName=<optimized out>)
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| 68 | at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Runtime/common/misc/thread.cpp:712
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| 69 | #13 0x00007fdb0b6b5fab in rtThreadNativeMain (pvArgs=0x7fdaf00068e0) at /home/fmunozs/vboxdbg/virtualbox/src/VirtualBox-4.3.20/src/VBox/Runtime/r3/posix/thread-posix.cpp:324
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| 70 | #14 0x00007fdb0bf31314 in start_thread () from /usr/lib/libpthread.so.0
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| 71 | #15 0x00007fdb0ba6b5bd in clone () from /usr/lib/libc.so.6
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| 72 | (gdb) i r
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| 73 | rax 0x10 16
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| 74 | rbx 0x0 0
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| 75 | rcx 0x7fdadb6ac2e0 140577960805088
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| 76 | rdx 0x1 1
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| 77 | rsi 0x7fdb0415aca0 140578643094688
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| 78 | rdi 0x0 0
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| 79 | rbp 0x7fdb0415ac40 0x7fdb0415ac40
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| 80 | rsp 0x7fdb0415ac00 0x7fdb0415ac00
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| 81 | r8 0x7fdb0415ac50 140578643094608
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| 82 | r9 0xffffffff 4294967295
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| 83 | r10 0x0 0
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| 84 | r11 0x0 0
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| 85 | r12 0x7fdb0415ac50 140578643094608
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| 86 | r13 0x0 0
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| 87 | r14 0x7fdb0415aca0 140578643094688
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| 88 | r15 0x0 0
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| 89 | rip 0x7fdadb6add09 0x7fdadb6add09 <vdmaVBVACtlSubmit(PVBOXVDMAHOST, VBVAEXHOSTCTL*, VBVAEXHOSTCTL_SOURCE, PFNVBVAEXHOSTCTL_COMPLETE, void*)+25>
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| 90 | eflags 0x10206 [ PF IF RF ]
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| 91 | cs 0x33 51
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| 92 | ss 0x2b 43
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| 93 | ds 0x0 0
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| 94 | es 0x0 0
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| 95 | fs 0x0 0
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| 96 | gs 0x0 0
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| 97 | (gdb)
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| 98 |
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