[Pkg-virtualbox-devel] Bug#611861: Bug#611861: virtualbox-ose: general protection fault after g_abExecMemory on a xen domU
Frank Mehnert
frank.mehnert at oracle.com
Thu Feb 3 08:45:11 UTC 2011
Running VirtualBox in DomU or in Dom0 is not supported.
On Thursday 03 February 2011 00:25:02 Timo Juhani Lindfors wrote:
> Package: virtualbox-ose
> Version: 3.2.10-dfsg-1
> Severity: normal
>
> I tried to use virtualbox on a xen domU but it caused a general
> protection fault:
>
> [1668899.860029] tap1: no IPv6 routers present
> [1670426.400491] br0: port 2(tap1) entering disabled state
> [1670426.412252] br0: port 2(tap1) entering disabled state
> [1674996.276699] warning: `VirtualBox' uses 32-bit capabilities (legacy
> support in use) [1675047.499378] vboxdrv: Trying to deactivate the NMI
> watchdog permanently... [1675047.499383] vboxdrv: Successfully done.
> [1675047.499385] vboxdrv: Found 4 processor cores.
> [1675047.500045] VBoxDrv: dbg - g_abExecMemory=ffffffffa017c6c0
> [1675047.500153] vboxdrv: fAsync=0 offMin=0x84a offMax=0x3f71
> [1675047.500796] vboxdrv: TSC mode is 'synchronous', kernel timer mode is
> 'normal'. [1675047.500805] vboxdrv: Successfully loaded version 3.2.10_OSE
> (interface 0x00140001). [1675514.298848] general protection fault: 0000
> [#1] SMP
> [1675514.298867] last sysfs file: /sys/devices/system/cpu/cpu3/online
> [1675514.298871] CPU 0
> [1675514.298875] Modules linked in: vboxnetadp vboxnetflt vboxdrv tcp_diag
> inet_diag ext2 tun nls_utf8 isofs nls_base iptable_nat nf_nat
> nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables
> x_tables binfmt_misc fuse nfs lockd fscache nfs_acl auth_rpcgss sunrpc
> bridge stp loop evdev pcspkr ext3 jbd mbcache dm_mod xen_netfront
> xen_blkfront [last unloaded: stap_27c90217d4dade632344ca523a9b0f83_17490]
> [1675514.298926] Pid: 13117, comm: VirtualBox Not tainted 2.6.32-5-amd64
> #1 [1675514.298930] RIP: e030:[<ffffc90000a54975>] [<ffffc90000a54975>]
> 0xffffc90000a54975 [1675514.298938] RSP: e02b:ffff880069911ce0 EFLAGS:
> 00010282
> [1675514.298942] RAX: 000000008000003b RBX: ffffc90000a8b340 RCX:
> 0000000000000000 [1675514.298946] RDX: ffffc90000a8b340 RSI:
> 0000000000000000 RDI: ffffc90000a8b000 [1675514.298950] RBP:
> ffff880069911d38 R08: 000000000001ad00 R09: ffffc90000a8b000
> [1675514.298955] R10: ffffc90000a8b000 R11: ffffffff81152c80 R12:
> ffff88002dc69290 [1675514.298959] R13: 0000000000000206 R14:
> 00007f885b692bb0 R15: ffffffffa0306950 [1675514.298965] FS:
> 00007f885b693710(0000) GS:ffff880003682000(0000) knlGS:0000000000000000
> [1675514.298970] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
> [1675514.298974] CR2: 00007f8869d74de4 CR3: 0000000079728000 CR4:
> 0000000000000664 [1675514.298978] DR0: 0000000000000000 DR1:
> 0000000000000000 DR2: 0000000000000000 [1675514.298983] DR3:
> 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
> [1675514.298988] Process VirtualBox (pid: 13117, threadinfo
> ffff880069910000, task ffff88000199a350) [1675514.298992] Stack:
> [1675514.298995] ffffc90000a547d2 000000000000e033 ffffffffa0190d8f
> 636e795373736500 [1675514.299002] <0> 0000000000000b3f ffffffff8100dc35
> 00ffffff8100e242 636e795373736500 [1675514.299010] <0> ffff88006ec16810
> ffff88002dc69290 00000000c0305687 ffff880069911d78 [1675514.299019] Call
> Trace:
> [1675514.299027] [<ffffffffa0190d8f>] ? g_abExecMemory+0x146cf/0x180000
> [vboxdrv] [1675514.299035] [<ffffffff8100dc35>] ?
> xen_force_evtchn_callback+0x9/0xa [1675514.299042] [<ffffffffa0191205>]
> g_abExecMemory+0x14b45/0x180000 [vboxdrv] [1675514.299048]
> [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa [1675514.299053]
> [<ffffffff8100e242>] ? check_events+0x12/0x20
> [1675514.299059] [<ffffffff81152c80>] ? cap_file_ioctl+0x0/0x3
> [1675514.299064] [<ffffffff8100e242>] ? check_events+0x12/0x20
> [1675514.299072] [<ffffffffa016cee6>] supdrvIOCtl+0x1240/0x2133 [vboxdrv]
> [1675514.299078] [<ffffffff810e7cad>] ? __kmalloc+0x12f/0x141
> [1675514.299083] [<ffffffff8100e242>] ? check_events+0x12/0x20
> [1675514.299091] [<ffffffffa0170fbd>] ? rtR0MemAlloc+0x88/0xb8 [vboxdrv]
> [1675514.299099] [<ffffffffa0170fbd>] ? rtR0MemAlloc+0x88/0xb8 [vboxdrv]
> [1675514.299106] [<ffffffffa0169319>] ? VBoxDrvLinuxIOCtl+0x116/0x191
> [vboxdrv] [1675514.299112] [<ffffffff81048027>] ?
> finish_task_switch+0x44/0xaf [1675514.299118] [<ffffffff810fa68e>] ?
> vfs_ioctl+0x21/0x6c
> [1675514.299122] [<ffffffff810fabdc>] ? do_vfs_ioctl+0x48d/0x4cb
> [1675514.299127] [<ffffffff8100e242>] ? check_events+0x12/0x20
> [1675514.299132] [<ffffffff810fac6b>] ? sys_ioctl+0x51/0x70
> [1675514.299137] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
> [1675514.299141] Code: 88 06 00 00 48 83 e0 70 42 8b 8c 02 68 0a 00 00 23
> 4a 20 09 c8 0b 42 24 0f 22 e0 42 8b 84 02 50 0a 00 00 83 e0 04 0d 3b 00 00
> 80 <0f> 22 c0 42 0f 01 94 02 70 03 00 00 42 8b ac 02 20 03 00 00 b8
> [1675514.299201] RIP [<ffffc90000a54975>] 0xffffc90000a54975
> [1675514.299207] RSP <ffff880069911ce0>
> [1675514.299219] ---[ end trace f60b712c70b93946 ]---
> [1675519.737380] hostname[13131] general protection ip:7ff31a82a134
> sp:7fff99f2ea40 error:0 in ld-2.11.2.so[7ff31a829000+1e000]
> [1675519.825499] hostname[13135] general protection ip:7f13cb247134
> sp:7fff3d20d180 error:0 in ld-2.11.2.so[7f13cb246000+1e000]
> [1675519.836461] cat[13139] general protection ip:7efff11f6134
> sp:7ffffc75f180 error:0 in ld-2.11.2.so[7efff11f5000+1e000]
>
> More info:
> 1) I used gdb to disassemble the "Code: " part:
>
> Dump of assembler code for function f:
> 0x0000000000600860 <f+0>: 88 06 mov %al,(%rsi)
> 0x0000000000600862 <f+2>: 00 00 add %al,(%rax)
> 0x0000000000600864 <f+4>: 48 83 e0 70 and $0x70,%rax
> 0x0000000000600868 <f+8>: 42 8b 8c 02 68 0a 00 00 mov
> 0xa68(%rdx,%r8,1),%ecx 0x0000000000600870 <f+16>: 23 4a 20 and
> 0x20(%rdx),%ecx 0x0000000000600873 <f+19>: 09 c8 or
> %ecx,%eax
> 0x0000000000600875 <f+21>: 0b 42 24 or 0x24(%rdx),%eax
>
> 0x0000000000600878 <f+24>: 0f 22 e0 mov %rax,%cr4
>
> 0x000000000060087b <f+27>: 42 8b 84 02 50 0a 00 00 mov
> 0xa50(%rdx,%r8,1),%eax 0x0000000000600883 <f+35>: 83 e0 04 and
> $0x4,%eax
> 0x0000000000600886 <f+38>: 0d 3b 00 00 80 or $0x8000003b,%eax
> 0x000000000060088b <f+43>: 0f 22 c0 mov %rax,%cr0
> 0x000000000060088e <f+46>: 42 0f 01 94 02 70 03 00 00 lgdt
> 0x370(%rdx,%r8,1) 0x0000000000600897 <f+55>: 42 8b ac 02 20 03 00 00
> mov 0x320(%rdx,%r8,1),%ebp 0x000000000060089f <f+63>: b8
> 00 00 00 00 mov $0x0,%eax
> End of assembler dump.
>
> Hypothesis: %cr4 is a privileged register and can not be accessed from
> a paravirtualized xen domU?
>
> If running under xen is not support could you add a check for xen to
> the virtualbox kernel modules?
>
> 2) The upstream bug for this seems to be
> http://www.virtualbox.org/ticket/2383
>
>
>
> -- System Information:
> Debian Release: 6.0
> APT prefers testing
> APT policy: (500, 'testing')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
> Locale: LANG=C, LC_CTYPE=fi_FI (charmap=ISO-8859-1)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages virtualbox-ose depends on:
> ii adduser 3.112+nmu2 add and remove users and
> groups ii libc6 2.11.2-7 Embedded GNU C
> Library: Shared lib ii libcurl3 7.21.0-1
> Multi-protocol file transfer libra ii libgcc1 1:4.4.5-8
> GCC support library
> ii libpng12-0 1.2.44-1 PNG library - runtime
> ii libpython2.6 2.6.6-8+b1 Shared Python runtime library
> (ver ii libsdl1.2debian 1.2.14-6.1 Simple DirectMedia Layer
> ii libssl0.9.8 0.9.8o-4 SSL shared libraries
> ii libstdc++6 4.4.5-8 The GNU Standard C++ Library
> v3 ii libvncserver0 0.9.7-2+b1 API to write one's own vnc
> server ii libx11-6 2:1.3.3-4 X11 client-side
> library ii libxcursor1 1:1.1.10-2 X cursor management
> library ii libxext6 2:1.1.2-1 X11 miscellaneous
> extension librar ii libxml2 2.7.8.dfsg-2 GNOME XML
> library
> ii libxmu6 2:1.0.5-2 X11 miscellaneous utility
> library ii libxt6 1:1.0.7-1 X11 toolkit
> intrinsics library ii python 2.6.6-3+squeeze5
> interactive high-level object-orie ii python-central 0.6.16+nmu1
> register and build utility for Pyt ii zlib1g
> 1:1.2.3.4.dfsg-3 compression library - runtime
>
> Versions of packages virtualbox-ose recommends:
> ii libgl1-mesa-glx [libgl1] 7.7.1-4 A free implementation of the
> OpenG ii libqt4-opengl 4:4.6.3-4 Qt 4 OpenGL module
> ii libqtcore4 4:4.6.3-4 Qt 4 core module
> ii libqtgui4 4:4.6.3-4 Qt 4 GUI module
> ii virtualbox-ose-dkms 3.2.10-dfsg-1 x86 virtualization solution -
> kern ii virtualbox-ose-qt 3.2.10-dfsg-1 x86 virtualization
> solution - Qt b
>
> Versions of packages virtualbox-ose suggests:
> ii libasound2 1.0.23-2.1 shared library for ALSA
> applicatio ii libpulse0 0.9.21-3+b1 PulseAudio client
> libraries ii vde2 2.2.3-3 Virtual Distributed
> Ethernet pn virtualbox-guest-additions <none> (no description
> available)
>
> -- no debconf information
>
>
>
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--
ORACLE Deutschland B.V. & Co. KG Dr.-Ing. Frank Mehnert
Werkstrasse 24 Staff Engineer, VirtualBox
71384 Weinstadt, Germany mailto:frank.mehnert at oracle.com
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