Date: Wed, 01 Mar 2017 20:05:24 +0000 From: bugzilla-noreply@freebsd.org To: vbox@FreeBSD.org Subject: [Bug 217258] emulators/virtualbox-ose: Segmentation fault on startup Message-ID: <bug-217258-26505-zhmFnfUF7z@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-217258-26505@https.bugs.freebsd.org/bugzilla/> References: <bug-217258-26505@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217258 --- Comment #13 from Jason Bacon <bacon4000@gmail.com> --- I suspect you're right that it was triggered by a change outside virtualbox= .=20 It's only the permissions issue that I have doubts about. This is difficult to debug since gdb cannot honor setuid() for security reasons. VirtualBox also crashes within a couple seconds of starting. However, by successfully guessing the PID of my next VirtualBox run (it was incremented by 3 each time) and practicing my "fast draw", I managed a to attach a root gdb session to it before it seg faulted. Below is a trace of a failed run on my 11.0-RELEASE workstation and below t= hat another trace from a successful run on my ThinkPad. Most obvious differenc= e I see is the failed run loading llvm37 and llvm39 libraries. I'll explore this more ASAP. <<<ROOT@porpoise.acadix>>> /home/bacon 427 # gdb GNU gdb (GDB) 7.12.1 [GDB v7.12.1 for FreeBSD] Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm= l> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd11.0". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word". (gdb) attach 2914 Attaching to process 2914 Couldn't get registers: Device busy. Couldn't get registers: Device busy. (gdb) Reading symbols from /usr/local/lib/virtualbox/VirtualBox...(no debug= ging symbols found)...done. [New LWP 100458 of process 2914] Reading symbols from /lib/libthr.so.3...(no debugging symbols found)...done. Reading symbols from /usr/lib/libc++.so.1...(no debugging symbols found)...done. Reading symbols from /lib/libcxxrt.so.1...(no debugging symbols found)...do= ne. Reading symbols from /lib/libm.so.5...(no debugging symbols found)...done. Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done. Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...do= ne. Reading symbols from /usr/local/lib/virtualbox/VBoxRT.so...done. Reading symbols from /usr/lib/librt.so.1...(no debugging symbols found)...d= one. Reading symbols from /lib/libz.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxml2.so.2...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libcurl.so.4...(no debugging symbols found)...done. Reading symbols from /usr/lib/libssl.so.8...(no debugging symbols found)...done. Reading symbols from /lib/libcrypto.so.8...(no debugging symbols found)...d= one. 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Reading symbols from /usr/local/llvm37/lib/libLLVMInstCombine.so.3.7...(no debugging symbols found)...done. Reading symbols from /usr/local/llvm37/lib/libLLVMLinker.so.3.7...(no debug= ging symbols found)...done. Reading symbols from /usr/local/llvm37/lib/libLLVMObjCARCOpts.so.3.7...(no debugging symbols found)...done. Reading symbols from /usr/local/llvm37/lib/libLLVMipa.so.3.7...(no debugging symbols found)...done. Reading symbols from /usr/local/llvm37/lib/libLLVMInstrumentation.so.3.7...= (no debugging symbols found)...done. Reading symbols from /usr/local/llvm37/lib/libLLVMProfileData.so.3.7...(no debugging symbols found)...done. Reading symbols from /usr/local/llvm37/lib/libLLVMVectorize.so.3.7...(no debugging symbols found)...done. Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. [Switching to LWP 100145 of process 2914] 0x00000008006112b2 in ?? () from /libexec/ld-elf.so.1 (gdb) cont Continuing. Thread 1 received signal SIGSEGV, Segmentation fault. 0x0000000815cc0340 in llvm::StringMapImpl::LookupBucketFor(llvm::StringRef)= () from /usr/local/llvm39/lib/libLLVM-3.9.so (gdb) where #0 0x0000000815cc0340 in llvm::StringMapImpl::LookupBucketFor(llvm::String= Ref) () from /usr/local/llvm39/lib/libLLVM-3.9.so #1 0x0000000815c841df in ?? () from /usr/local/llvm39/lib/libLLVM-3.9.so #2 0x0000000815c8433c in ?? () from /usr/local/llvm39/lib/libLLVM-3.9.so #3 0x0000000815c78dec in llvm::cl::Option::addArgument() () from /usr/local/llvm39/lib/libLLVM-3.9.so #4 0x0000000823dadd9d in ?? () from /usr/local/llvm37/lib/libLLVMSupport.so.3.7 #5 0x0000000823de6232 in ?? () from /usr/local/llvm37/lib/libLLVMSupport.so.3.7 #6 0x00000008017d2800 in ?? () #7 0x00007fffffffa058 in ?? () #8 0x00007fffffffa010 in ?? () #9 0x0000000823d44eae in _init () from /usr/local/llvm37/lib/libLLVMSupport.so.3.7 #10 0x00007fffffffa010 in ?? () Backtrace stopped: previous frame identical to this frame (corrupt stack?) A trace from a successful run on my ThinkPad: GNU gdb (GDB) 7.12.1 [GDB v7.12.1 for FreeBSD] Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm= l> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd10.3". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word". (gdb) attach 46433 Attaching to process 46433 Couldn't get registers: Device busy. Couldn't get registers: Device busy. (gdb) Reading symbols from /usr/local/lib/virtualbox/VirtualBox...(no debug= ging symbols found)...done. [New LWP 100422 of process 46433] [New LWP 100421 of process 46433] [New LWP 100412 of process 46433] [New LWP 100411 of process 46433] [New LWP 100410 of process 46433] [New LWP 100409 of process 46433] [New LWP 100189 of process 46433] Reading symbols from /lib/libthr.so.3...(no debugging symbols found)...done. Reading symbols from /usr/lib/libc++.so.1...(no debugging symbols found)...done. Reading symbols from /lib/libcxxrt.so.1...(no debugging symbols found)...do= ne. Reading symbols from /lib/libm.so.5...(no debugging symbols found)...done. Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done. Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...do= ne. Reading symbols from /usr/local/lib/virtualbox/VBoxRT.so...done. Reading symbols from /usr/lib/librt.so.1...(no debugging symbols found)...d= one. Reading symbols from /lib/libz.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxml2.so.2...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libcurl.so.4...(no debugging symbols found)...done. Reading symbols from /usr/lib/libssl.so.7...(no debugging symbols found)...done. Reading symbols from /lib/libcrypto.so.7...(no debugging symbols found)...d= one. Reading symbols from /usr/lib/liblzma.so.5...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libnghttp2.so.14...(no debugging symbols found)...done. Reading symbols from /usr/lib/libheimntlm.so.11...(no debugging symbols found)...done. Reading symbols from /usr/lib/libhx509.so.11...(no debugging symbols found)...done. Reading symbols from /usr/lib/libcom_err.so.5...(no debugging symbols found)...done. Reading symbols from /usr/lib/libasn1.so.11...(no debugging symbols found)...done. Reading symbols from /usr/lib/libwind.so.11...(no debugging symbols found)...done. Reading symbols from /usr/lib/libheimbase.so.11...(no debugging symbols found)...done. Reading symbols from /usr/lib/libroken.so.11...(no debugging symbols found)...done. Reading symbols from /lib/libcrypt.so.5...(no debugging symbols found)...do= ne. Reading symbols from /usr/lib/libkrb5.so.11...(no debugging symbols found)...done. Reading symbols from /usr/lib/libgssapi.so.10...(no debugging symbols found)...done. Reading symbols from /usr/lib/libgssapi_krb5.so.10...(no debugging symbols found)...done. Reading symbols from /usr/lib/private/libheimipcc.so.11...(no debugging sym= bols found)...done. Reading symbols from /usr/lib/i18n/libiconv_std.so.4...(no debugging symbols found)...done. Reading symbols from /usr/lib/i18n/libUTF8.so.4...(no debugging symbols found)...done. Reading symbols from /usr/lib/i18n/libmapper_none.so.4...(no debugging symb= ols found)...done. Reading symbols from /usr/local/lib/virtualbox/VirtualBox.so...done. Reading symbols from /usr/local/lib/libXinerama.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libGL.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/virtualbox/VBoxDDU.so...done. Reading symbols from /usr/local/lib/virtualbox/VBoxKeyboard.so...done. Reading symbols from /usr/local/lib/virtualbox/VBoxREM.so...done. Reading symbols from /usr/local/lib/virtualbox/VBoxVMM.so...done. Reading symbols from /usr/local/lib/libXcursor.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXext.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libX11.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/virtualbox/VBoxXPCOM.so...done. Reading symbols from /usr/local/lib/qt5/libQt5X11Extras.so.5...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5Core.so.5...(no debugging sym= bols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5Gui.so.5...(no debugging symb= ols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5Widgets.so.5...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5PrintSupport.so.5...(no debug= ging symbols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5OpenGL.so.5...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXau.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libpthread-stubs.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXdmcp.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libexpat.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-dri3.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-present.so.0...(no debugging sym= bols found)...done. Reading symbols from /usr/local/lib/libxcb-sync.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxshmfence.so.1...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/libglapi.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXdamage.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXfixes.so.3...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libX11-xcb.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-glx.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-dri2.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXxf86vm.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libdrm.so.2...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXrender.so.1...(no debugging symbols found)...done. Reading symbols from /usr/lib/libexecinfo.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libicui18n.so.58...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libicuuc.so.58...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libpcre16.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libglib-2.0.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libharfbuzz.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libpng16.so.16...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libdevq.so.0...(no debugging symbols found)...done. Reading symbols from /usr/lib/libelf.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libicudata.so.58...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libiconv.so.2...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libpcre.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libintl.so.8...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libfreetype.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libgraphite2.so.3...(no debugging symbo= ls found)...done. Reading symbols from /usr/lib/libprocstat.so.1...(no debugging symbols found)...done. Reading symbols from /usr/lib/libbz2.so.4...(no debugging symbols found)...done. Reading symbols from /lib/libkvm.so.6...(no debugging symbols found)...done. Reading symbols from /lib/libutil.so.9...(no debugging symbols found)...don= e. Reading symbols from /usr/local/lib/qt5/plugins/platforms/libqxcb.so...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5XcbQpa.so.5...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libXi.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-render.so.0...(no debugging symb= ols found)...done. Reading symbols from /usr/local/lib/libxcb-render-util.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libSM.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libICE.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-image.so.0...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/libxcb-icccm.so.4...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/libxcb-xfixes.so.0...(no debugging symb= ols found)...done. Reading symbols from /usr/local/lib/libxcb-shm.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-randr.so.0...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/libxcb-shape.so.0...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/libxcb-keysyms.so.1...(no debugging sym= bols found)...done. Reading symbols from /usr/local/lib/libxcb-xinerama.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxcb-xkb.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxkbcommon-x11.so.0...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libxkbcommon.so.0...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/libfontconfig.so.1...(no debugging symb= ols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5DBus.so.5...(no debugging sym= bols found)...done. Reading symbols from /usr/local/lib/libxcb-util.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libdbus-1.so.3...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/platforminputcontexts/libcomposeplatforminputcon= textplugin.so...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/dri/i965_dri.so...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libdrm_intel.so.1...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/libdrm_radeon.so.1...(no debugging symb= ols found)...done. Reading symbols from /usr/local/lib/libpciaccess.so.0...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/virtualbox/components/VBoxXPCOMIPCC.so...done. Reading symbols from /usr/local/lib/virtualbox/components/VBoxC.so...done. Reading symbols from /usr/local/lib/virtualbox/components/VBoxSVCM.so...don= e. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqdds.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqgif.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqicns.so...= (no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqico.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqjp2.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/libjasper.so.4...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libjpeg.so.8...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqjpeg.so...= (no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqmng.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/libmng.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/liblcms.so.1...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqsvg.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/libQt5Svg.so.5...(no debugging symb= ols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqtga.so...(= no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqtiff.so...= (no debugging symbols found)...done. Reading symbols from /usr/local/lib/libtiff.so.5...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libjbig.so.2...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqwbmp.so...= (no debugging symbols found)...done. Reading symbols from /usr/local/lib/qt5/plugins/imageformats/libqwebp.so...= (no debugging symbols found)...done. Reading symbols from /usr/local/lib/libwebp.so.6...(no debugging symbols found)...done. Reading symbols from /usr/local/lib/libwebpdemux.so.2...(no debugging symbo= ls found)...done. Reading symbols from /usr/local/lib/qt5/plugins/iconengines/libqsvgicon.so...(no debugging symbo= ls found)...done. Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. [Switching to LWP 100424 of process 46433] 0x000000080083913c in ?? () from /lib/libthr.so.3 (gdb) exit Undefined command: "exit". Try "help". (gdb) quit A debugging session is active. Inferior 1 [process 46433] will be detached. Quit anyway? (y or n) y Detaching from program: /usr/local/lib/virtualbox/VirtualBox, process 46433 --=20 You are receiving this mail because: You are the assignee for the bug.=
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