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Message #122742
[Bug 1450584] Re: mono occassionally crashes since kernel 3.13.0-48 on multi-cpu vm
This bug was fixed in the package linux - 3.19.0-20.20
---------------
linux (3.19.0-20.20) vivid; urgency=low
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1459957
* Revert "SAUCE: Call i915_bpo specific functions from the hda driver"
- LP: #1457369
linux (3.19.0-19.19) vivid; urgency=low
[ Brad Figg ]
* Release Tracking Bug
- LP: #1458964
[ Duc Dang ]
* SAUCE: (no-up) [PCIE] APM X-Gene: Remove debug messages in MSI
interrupt handler path.
- LP: #1451593
[ Luis Henriques ]
* [Config] updateconfigs for 3.19.7 stable update
[ Paolo Pisati ]
* [Config] armhf: CPUFREQ_DT=y
- LP: #1457781
* annotations: enforce CPUFREQ_DT
- LP: #1457781
[ Tanmay Inamdar ]
* SAUCE: (no-up) Add MSI/MSI-X driver for APM PCI bus
- LP: #1451593
[ Timo Aaltonen ]
* SAUCE: i915_bpo: Rebase to v4.1-rc4.
- LP: #1456123
* SAUCE: i915_bpo: Revert dma-buf: cleanup dma_buf_export() to make it
easily extensible
- LP: #1456123
[ Tuan Phan ]
* SAUCE: (no-up) pci-xgene-msi: fixed deadlock in irq_set_affinity
- LP: #1451593
[ Upstream Kernel Changes ]
* Revert "nfs: replace nfs_add_stats with nfs_inc_stats when add one"
- LP: #1454699
* cpufreq: powernv: Report cpu frequency throttling
- LP: #1452547
* x86: kvm: Revert "remove sched notifier for cross-cpu migrations"
- LP: #1450584
* x86: vdso: fix pvclock races with task migration
- LP: #1450584
* ip_forward: Drop frames with attached skb->sk
- LP: #1454699
* net: add skb_checksum_complete_unset
- LP: #1454699
* ppp: call skb_checksum_complete_unset in ppp_receive_frame
- LP: #1454699
* tcp: fix possible deadlock in tcp_send_fin()
- LP: #1454699
* tcp: avoid looping in tcp_send_fin()
- LP: #1454699
* net: do not deplete pfmemalloc reserve
- LP: #1454699
* net: fix crash in build_skb()
- LP: #1454699
* pxa168: fix double deallocation of managed resources
- LP: #1454699
* net/mlx4_en: Prevent setting invalid RSS hash function
- LP: #1454699
* md: fix md io stats accounting broken
- LP: #1454699
* x86/asm/decoder: Fix and enforce max instruction size in the insn
decoder
- LP: #1454699
* sched/idle/x86: Restore mwait_idle() to fix boot hangs, to improve
power savings and to improve performance
- LP: #1454699
* sched/idle/x86: Optimize unnecessary mwait_idle() resched IPIs
- LP: #1454699
* perf/x86/intel: Fix Core2,Atom,NHM,WSM cycles:pp events
- LP: #1454699
* KVM: x86: Fix MSR_IA32_BNDCFGS in msrs_to_save
- LP: #1454699
* Btrfs: fix log tree corruption when fs mounted with -o discard
- LP: #1454699
* btrfs: don't accept bare namespace as a valid xattr
- LP: #1454699
* Btrfs: fix inode eviction infinite loop after cloning into it
- LP: #1454699
* Btrfs: fix inode eviction infinite loop after extent_same ioctl
- LP: #1454699
* usb: gadget: printer: enqueue printer's response for setup request
- LP: #1454699
* KVM: s390: fix handling of write errors in the tpi handler
- LP: #1454699
* KVM: s390: reinjection of irqs can fail in the tpi handler
- LP: #1454699
* KVM: s390: Zero out current VMDB of STSI before including level3 data.
- LP: #1454699
* KVM: s390: no need to hold the kvm->mutex for floating interrupts
- LP: #1454699
* KVM: s390: fix get_all_floating_irqs
- LP: #1454699
* s390/hibernate: fix save and restore of kernel text section
- LP: #1454699
* KVM: use slowpath for cross page cached accesses
- LP: #1454699
* KVM: arm/arm64: check IRQ number on userland injection
- LP: #1454699
* KVM: arm/arm64: vgic: vgic_init returns -ENODEV when no online vcpu
- LP: #1454699
* ARM: KVM: Fix size check in __coherent_cache_guest_page
- LP: #1454699
* arm64: KVM: Fix stage-2 PGD allocation to have per-page refcounting
- LP: #1454699
* arm64: KVM: Do not use pgd_index to index stage-2 pgd
- LP: #1454699
* arm/arm64: KVM: Keep elrsr/aisr in sync with software model
- LP: #1454699
* MIPS: KVM: Handle MSA Disabled exceptions from guest
- LP: #1454699
* MIPS: lose_fpu(): Disable FPU when MSA enabled
- LP: #1454699
* MIPS: Malta: Detect and fix bad memsize values
- LP: #1454699
* MIPS: asm: asm-eva: Introduce kernel load/store variants
- LP: #1454699
* MIPS: Loongson-3: Add IRQF_NO_SUSPEND to Cascade irqaction
- LP: #1454699
* MIPS: Hibernate: flush TLB entries earlier
- LP: #1454699
* staging: panel: fix lcd type
- LP: #1454699
* staging: android: sync: Fix memory corruption in
sync_timeline_signal().
- LP: #1454699
* staging: vt6655: use ieee80211_tx_info to select packet type.
- LP: #1454699
* drivers/base: cacheinfo: validate device node for all the caches
- LP: #1454699
* cdc-wdm: fix endianness bug in debug statements
- LP: #1454699
* mmc: sunxi: Use devm_reset_control_get_optional() for reset control
- LP: #1454699
* spi: imx: read back the RX/TX watermark levels earlier
- LP: #1454699
* spi: spidev: fix possible arithmetic overflow for multi-transfer
message
- LP: #1454699
* compal-laptop: Fix leaking hwmon device
- LP: #1454699
* compal-laptop: Check return value of power_supply_register
- LP: #1454699
* ring-buffer: Replace this_cpu_*() with __this_cpu_*()
- LP: #1454699
* power_supply: twl4030_madc: Check return value of power_supply_register
- LP: #1454699
* power_supply: lp8788-charger: Fix leaked power supply on probe fail
- LP: #1454699
* power_supply: ipaq_micro_battery: Fix leaking workqueue
- LP: #1454699
* power_supply: ipaq_micro_battery: Check return values in probe
- LP: #1454699
* NFS: fix BUG() crash in notify_change() with patch to chown_common()
- LP: #1454699
* ARM: fix broken hibernation
- LP: #1454699
* ARM: 8320/1: fix integer overflow in ELF_ET_DYN_BASE
- LP: #1454699
* ARM: mvebu: Disable CPU Idle on Armada 38x
- LP: #1454699
* ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
- LP: #1454699
* ARM: at91/dt: sama5d3 xplained: add phy address for macb1
- LP: #1454699
* ARM: dts: dove: Fix uart[23] reg property
- LP: #1454699
* ARM: dts: fix mmc node updates for exynos5250-spring
- LP: #1454699
* usb: musb: core: fix TX/RX endpoint order
- LP: #1454699
* usb: phy: Find the right match in devm_usb_phy_match
- LP: #1454699
* usb: define a generic USB_RESUME_TIMEOUT macro
- LP: #1454699
* usb: musb: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: oxu210hp: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: fusbh200: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: uhci: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: fotg210: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: r8a66597: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: isp116x: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: xhci: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: ehci: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: host: sl811: use new USB_RESUME_TIMEOUT
- LP: #1454699
* usb: core: hub: use new USB_RESUME_TIMEOUT
- LP: #1454699
* clk: at91: usb: propagate rate modification to the parent clk
- LP: #1454699
* ALSA: hda - Add dock support for ThinkPad X250 (17aa:2226)
- LP: #1454699
* ALSA: emu10k1: don't deadlock in proc-functions
- LP: #1454699
* ALSA: hda/realtek - Enable the ALC292 dock fixup on the Thinkpad T450
- LP: #1454699
* ALSA: hda - fix "num_steps = 0" error on ALC256
- LP: #1446517, #1454699
* ALSA: hda/realtek - Fix Headphone Mic doesn't recording for ALC256
- LP: #1454699
* Input: elantech - fix absolute mode setting on some ASUS laptops
- LP: #1454699
* mfd: core: Fix platform-device name collisions
- LP: #1454699
* fs/binfmt_elf.c: fix bug in loading of PIE binaries
- LP: #1454699
* ptrace: fix race between ptrace_resume() and wait_task_stopped()
- LP: #1454699
* NFC: st21nfcb: Retry i2c_master_send if it returns a negative value
- LP: #1454699
* rtlwifi: rtl8192cu: Add new USB ID
- LP: #1454699
* rtlwifi: rtl8192cu: Add new device ID
- LP: #1454699
* ext4: make fsync to sync parent dir in no-journal for real this time
- LP: #1454699
* mnt: Improve the umount_tree flags
- LP: #1454699
* mnt: Don't propagate umounts in __detach_mounts
- LP: #1454699
* perf symbols: Define STT_GNU_IFUNC for glibc 2.9 and older.
- LP: #1454699
* perf tools: Fix perf-read-vdsox32 not building and lib64 install dir
- LP: #1454699
* perf tools: Work around lack of sched_getcpu in glibc < 2.6.
- LP: #1454699
* tools lib traceevent kbuffer: Remove extra update to data pointer in
PADDING
- LP: #1454699
* tools/power turbostat: Use $(CURDIR) instead of $(PWD) and add support
for O= option in Makefile
- LP: #1454699
* UBI: account for bitflips in both the VID header and data
- LP: #1454699
* UBI: fix out of bounds write
- LP: #1454699
* UBI: initialize LEB number variable
- LP: #1454699
* UBI: fix check for "too many bytes"
- LP: #1454699
* scsi: storvsc: Fix a bug in copy_from_bounce_buffer()
- LP: #1454699
* target: Fix COMPARE_AND_WRITE with SG_TO_MEM_NOALLOC handling
- LP: #1454699
* target/file: Fix BUG() when CONFIG_DEBUG_SG=y and DIF protection
enabled
- LP: #1454699
* target/file: Fix UNMAP with DIF protection support
- LP: #1454699
* target/file: Fix SG table for prot_buf initialization
- LP: #1454699
* iser-target: Fix session hang in case of an rdma read DIF error
- LP: #1454699
* iser-target: Fix possible deadlock in RDMA_CM connection error
- LP: #1454699
* Bluetooth: ath3k: Add support Atheros AR5B195 combo Mini PCIe card
- LP: #1454699
* arm64: fix midr range for Cortex-A57 erratum 832075
- LP: #1454699
* arm64: head.S: ensure visibility of page tables
- LP: #1454699
* arm64: apply alternatives for !SMP kernels
- LP: #1454699
* arm64: errata: add workaround for cortex-a53 erratum #845719
- LP: #1454699
* powerpc/powernv: Don't map M64 segments using M32DT
- LP: #1454699
* powerpc: Fix missing L2 cache size in /sys/devices/system/cpu
- LP: #1454699
* powerpc/cell: Fix crash in iic_setup_cpu() after per_cpu changes
- LP: #1454699
* powerpc/cell: Fix cell iommu after it_page_shift changes
- LP: #1454699
* ASoC: cs4271: Increase delay time after reset
- LP: #1454699
* ASoC: wm8741: Fix rates constraints values
- LP: #1454699
* ASoC: davinci-evm: drop un-necessary remove function
- LP: #1454699
* ASoC: pcm512x: Add 'Analogue' prefix to analogue volume controls
- LP: #1454699
* ACPICA: Utilities: split IO address types from data type models.
- LP: #1454699
* ACPICA: Tables: Don't release ACPI_MTX_TABLES in
acpi_tb_install_standard_table().
- LP: #1454699
* ACPI / scan: Annotate physical_node_lock in acpi_scan_is_offline()
- LP: #1454699
* xtensa: xtfpga: fix hardware lockup caused by LCD driver
- LP: #1454699
* xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file_range
- LP: #1454699
* xtensa: ISS: fix locking in TAP network adapter
- LP: #1454699
* gpio: mvebu: Fix mask/unmask managment per irq chip type
- LP: #1454699
* clk: samsung: exynos4: Disable ARMCLK down feature on Exynos4210 SoC
- LP: #1454699
* clk: tegra: Register the proper number of resets
- LP: #1454699
* clk: qcom: Fix i2c frequency table
- LP: #1454699
* clk: qcom: fix RCG M/N counter configuration
- LP: #1454699
* dm crypt: fix deadlock when async crypto algorithm returns -EBUSY
- LP: #1454699
* sd: Unregister integrity profile
- LP: #1454699
* sd: Fix missing ATO tag check
- LP: #1454699
* Drivers: hv: vmbus: Fix a bug in the error path in vmbus_open()
- LP: #1454699
* mvsas: fix panic on expander attached SATA devices
- LP: #1454699
* rc: img-ir: fix error in parameters passed to irq_free()
- LP: #1454699
* stk1160: Make sure current buffer is released
- LP: #1454699
* IB/core: disallow registering 0-sized memory region
- LP: #1454699
* IB/core: don't disallow registering region starting at 0x0
- LP: #1454699
* IB/mlx4: Fix WQE LSO segment calculation
- LP: #1454699
* IB/iser: Fix wrong calculation of protection buffer length
- LP: #1454699
* tracing: Handle ftrace_dump() atomic context in graph_trace_open()
- LP: #1454699
* tracing: Fix incorrect enabling of trace events by boot cmdline
- LP: #1454699
* i2c: mux: use proper dev when removing "channel-X" symlinks
- LP: #1454699
* i2c: rk3x: report number of messages transmitted
- LP: #1454699
* i2c: core: Export bus recovery functions
- LP: #1454699
* drm/radeon: fix doublescan modes (v2)
- LP: #1454699
* drm/i915: Dont enable CS_PARSER_ERROR interrupts at all
- LP: #1454699
* drm: adv7511: Fix DDC error interrupt handling
- LP: #1454699
* drm: adv7511: Fix nested sleep when reading EDID
- LP: #1454699
* drm/i915: vlv: fix save/restore of GFX_MAX_REQ_COUNT reg
- LP: #1454699
* drm/i915: cope with large i2c transfers
- LP: #1454699
* RCU pathwalk breakage when running into a symlink overmounting
something
- LP: #1454699
* nfsd4: disallow ALLOCATE with special stateids
- LP: #1454699
* nfsd4: fix READ permission checking
- LP: #1454699
* nfsd4: disallow SEEK with special stateids
- LP: #1454699
* nfsd: eliminate NFSD_DEBUG
- LP: #1454699
* NFS: Add a stub for GETDEVICELIST
- LP: #1454699
* e1000: add dummy allocator to fix race condition between mtu change and
netpoll
- LP: #1454699
* mac80211: send AP probe as unicast again
- LP: #1454699
* ebpf: verifier: check that call reg with ARG_ANYTHING is initialized
- LP: #1454699
* lib: memzero_explicit: use barrier instead of OPTIMIZER_HIDE_VAR
- LP: #1454699
* wl18xx: show rx_frames_per_rates as an array as it really is
- LP: #1454699
* crypto: omap-aes - Fix support for unequal lengths
- LP: #1454699
* C6x: time: Ensure consistency in __init
- LP: #1454699
* memstick: mspro_block: add missing curly braces
- LP: #1454699
* drivers: platform: parse IRQ flags from resources
- LP: #1454699
* driver core: bus: Goto appropriate labels on failure in bus_add_device
- LP: #1454699
* netfilter: bridge: really save frag_max_size between PRE and
POST_ROUTING
- LP: #1454699
* Linux 3.19.7
- LP: #1454699
* bpf: fix 64-bit divide
- LP: #1454702
* route: Use ipv4_mtu instead of raw rt_pmtu
- LP: #1454702
* mlx4: Fix tx ring affinity_mask creation
- LP: #1454702
* cxgb4: Fix MC1 memory offset calculation
- LP: #1454702
* net/mlx4_en: Schedule napi when RX buffers allocation fails
- LP: #1454702
* ipv4: Missing sk_nulls_node_init() in ping_unhash().
- LP: #1454702
* clk: at91: usb: fix determine_rate prototype
- LP: #1454702
* Linux 3.19.8
- LP: #1454702
* mmc: card: Don't access RPMB partitions for normal read/write
- LP: #1454013
* (upstream) gpio: dwapb: re-enable GPIO_DWAPB for arm64
- LP: #1455105
* iwlwifi: mvm: fix BT coex shared antenna activity check
- LP: #1442411
* ext4: allocate entire range in zero range
- LP: #1425270
- CVE-2015-0275
* kernel.h: implement DIV_ROUND_CLOSEST_ULL
- LP: #1456123
* drm: fix drm_mode_getconnector() locking imbalance regression
- LP: #1456123
* drm/i915/skl: Fix WaDisableChickenBitTSGBarrierAckForFFSliceCS
- LP: #1456123
* vhost/scsi: potential memory corruption
- LP: #1457807
- CVE-2015-4036
[ Ville Syrjälä ]
* SAUCE: i915_bpo: drm/i915: Implement chv display PHY lane stagger setup
- LP: #1456123
* SAUCE: i915_bpo: drm/i915: Work around DISPLAY_PHY_CONTROL register
corruption on CHV
- LP: #1456123
* SAUCE: i915_bpo: Revert "drm/i915: Hack to tie both common lanes
together on chv"
- LP: #1456123
-- Luis Henriques <luis.henriques@xxxxxxxxxxxxx> Fri, 29 May 2015
09:41:30 +0100
** Changed in: linux (Ubuntu Vivid)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu Utopic)
Status: Fix Committed => Fix Released
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1450584
Title:
mono occassionally crashes since kernel 3.13.0-48 on multi-cpu vm
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Trusty:
Fix Released
Status in linux source package in Utopic:
Fix Released
Status in linux source package in Vivid:
Fix Released
Bug description:
[Impact]
The addition of the commit:
http://kernel.ubuntu.com/git/ubuntu/ubuntu-trusty.git/commit/?id=11f4e0339c8dc8d760483258efd9f15b4c6dcda2
Causes SIGSEGVs when running certain workloads on multi-cpu VMs.
[Test Case]
Mono test case here that causes the SIGSEGV
https://bugzilla.xamarin.com/show_bug.cgi?id=29212
[Fix]
These two commits are required for fixing this issue:
https://github.com/torvalds/linux/commit/80f7fdb1c7f0f9266421f823964fd1962681f6ce
https://github.com/torvalds/linux/commit/0a4e6be9ca17c54817cf814b4b5aa60478c6df27
--
Gradually since late March more and more users started to complain
about frequent SIGSEGV crashes in our .net/mono application. Early
April I started to investigate it actively.
After eliminating possible native libraries, and testing various mono
versions I discovered the crashes would occur more frequently on a
vbox vm with multiple cpus configured. And discovered that the mono
bug-18026.cs testcase would fairly consistently crash. At that point
it was reported to the mono bug tracker.
I finally got a break when we found a correlation with the kernel version. 3.13.0-46 didn't crash while 3.13.0-48,49 did.
More and more users upgrade to these newer kernel versions and start running into issues, which explains the gradual increase in reports.
Early this week I performed a full git bisect on the kernel between 3.13.0-46 and -48 and isolated the commit that seems to trigger the crashes.
Namely http://kernel.ubuntu.com/git/ubuntu/ubuntu-trusty.git/commit/?id=11f4e0339c8dc8d760483258efd9f15b4c6dcda2
At this point I don't know if the commit messed up something, or that mono simply handles it incorrectly. However, a few commits for linux 4.x seem to fix it:
https://github.com/torvalds/linux/commit/80f7fdb1c7f0f9266421f823964fd1962681f6ce
https://github.com/torvalds/linux/commit/0a4e6be9ca17c54817cf814b4b5aa60478c6df27
I applied these commits myself on top of commit 11f4e033, compiled and ran the testcase... didn't crash in the 200x test runs I did.
Although I don't know if those two patches have unknown side-effects.
I'm not an expert on the kernel, not even remotely. But I thought it would be nice to be able to point at a possible solution.
My current test vm is a virtualbox vm 64bit installed using the 14.04.2 server iso running on an older i7 quad core Windows 7 64bit host.
In the vm I've tested numerous mono and kernel combinations. Last test was with kernel 3.16.0-36 and 3.13.0-51 and mono 4.0.1, in which the problem still occurs.
By now I've debugged the app using gdb several dozen times on various
user setups, compiled mono half a dozen times, and then the 8x3h
compile kernel bisect :) Speaking of down the rabbit-hole...
So I'm pretty desperate for some expert to help me out here. :D
Reference to mono bug report:
https://bugzilla.xamarin.com/show_bug.cgi?id=29212
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-51-generic 3.13.0-51.84
ProcVersionSignature: Ubuntu 3.13.0-51.84-generic 3.13.11-ckt18
Uname: Linux 3.13.0-51-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Apr 30 18:53 seq
crw-rw---- 1 root audio 116, 33 Apr 30 18:53 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.10
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory: 'iw'
CurrentDmesg: [ 9.379188] init: plymouth-upstart-bridge main process ended, respawning
Date: Thu Apr 30 19:45:43 2015
HibernationDevice: RESUME=UUID=b35ef328-166d-4476-a418-e7e80d22cb30
InstallationDate: Installed on 2015-04-22 (7 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
Lsusb:
Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
ProcEnviron:
TERM=screen
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-51-generic root=UUID=68da7e09-1a91-4107-859d-bf452f9ed992 ro
RelatedPackageVersions:
linux-restricted-modules-3.13.0-51-generic N/A
linux-backports-modules-3.13.0-51-generic N/A
linux-firmware 1.127.11
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
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References
