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Xubuntu 16.10 very slow

https://forums.virtualbox.org/viewtopic.php?t=79872

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Xubuntu 16.10 very slow

Posted: 22. Sep 2016, 15:20
by loukingjr
Is there a problem with the 4.8.* Kernel? With guest additions installed the guest is very slow. Details in log.

Re: Xubuntu 16.10 very slow

Posted: 22. Sep 2016, 16:22
by Perryg
Hi lou,

I don't seem to have this issue but there are a few things you should look at.
Try selecting the Intel HD Audio instead of the AC97 for the guests audio and see if that makes a difference.
run glxinfo | grep OpenGL in the guests terminal and make sure that the chromium/humper is being used.

Code: Select all

ubuntu@ubuntu-16:/$ uname -a
Linux ubuntu-16 4.8.0-14-generic #15-Ubuntu SMP Tue Sep 20 22:02:02 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@ubuntu-16:/$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.10
DISTRIB_CODENAME=yakkety
DISTRIB_DESCRIPTION="Ubuntu Yakkety Yak (development branch)"
ubuntu@ubuntu-16:/$

Re: Xubuntu 16.10 very slow

Posted: 22. Sep 2016, 16:50
by loukingjr
Thanks Perry. I actually had HD audio selected at first. I just forgot to change it back.

OpenGL vendor string: Humper
OpenGL renderer string: Chromium
OpenGL version string: 2.1 Chromium 1.9
OpenGL shading language version string: 1.20
OpenGL extensions:

It's probably an issue with the OSX version of VB. Different guests seem to have different issues. Windows 7 seems to behave the best. Yippee :lol:

Re: Xubuntu 16.10 very slow

Posted: 22. Sep 2016, 16:57
by Perryg
Yes it is highly possible. The alpha/beta phase usually does not get a lot of love in as much as kernel tuning and the like. Add to that the new Mac OS changes in the latest release is probably not helping a lot. As you know this usually requires a re-write of some of the VBox code and usually does not get a lot of attention until after a release.

Re: Xubuntu 16.10 very slow

Posted: 22. Sep 2016, 17:04
by loukingjr
Yes. Although, the problems with OSX hosts started with the VB 5.1 release even on El Capitan. What's interesting is Ubuntu 16.04.1 is actually much faster once it's running. However, it takes a very long time to reach the desktop.
tly
FWIW, based on the Mac Hosts section, there are still issues on the previous version of OSX. But we've talked about that recently. 8)

Later.

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 08:18
by Elizine
Please find your answer here - http://linux-software-news-tutorials.bl ... ed-it.html

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 10:05
by michaln
loukingjr wrote:Is there a problem with the 4.8.* Kernel? With guest additions installed the guest is very slow. Details in log.
Yes, there is a problem (the kernel has some interesting bugs). If you can post the output from 'dmesg' in the guest, I can tell you whether you're affected by that or not.

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 11:28
by loukingjr
Thanks…

Code: Select all

louis@louis-VirtualBox:~$ dmesg
[    0.000000] Linux version 4.8.0-11-generic (buildd@lcy01-09) (gcc version 6.2.0 20160914 (Ubuntu 6.2.0-3ubuntu15) ) #12-Ubuntu SMP Sat Sep 17 20:00:03 UTC 2016 (Ubuntu 4.8.0-11.12-generic 4.8.0-rc6)
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.8.0-11-generic root=UUID=15098ee0-b5f4-49bb-b7b2-530197d4c238 ro quiet splash
[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[    0.000000] x86/fpu: Using 'eager' FPU context switches.
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[    0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffeffff] usable
[    0.000000] BIOS-e820: [mem 0x000000007fff0000-0x000000007fffffff] ACPI data
[    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] SMBIOS 2.5 present.
[    0.000000] DMI: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[    0.000000] Hypervisor detected: KVM
[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.000000] e820: last_pfn = 0x7fff0 max_arch_pfn = 0x400000000
[    0.000000] MTRR default type: uncachable
[    0.000000] MTRR variable ranges disabled:
[    0.000000] MTRR: Disabled
[    0.000000] x86/PAT: MTRRs disabled, skipping PAT initialization too.
[    0.000000] x86/PAT: Configuration [0-7]: WB  WT  UC- UC  WB  WT  UC- UC  
[    0.000000] CPU MTRRs all blank - virtualized system.
[    0.000000] found SMP MP-table at [mem 0x0009fff0-0x0009ffff] mapped at [ffff97608009fff0]
[    0.000000] Base memory trampoline at [ffff976080099000] 99000 size 24576
[    0.000000] BRK [0x7b205000, 0x7b205fff] PGTABLE
[    0.000000] BRK [0x7b206000, 0x7b206fff] PGTABLE
[    0.000000] BRK [0x7b207000, 0x7b207fff] PGTABLE
[    0.000000] BRK [0x7b208000, 0x7b208fff] PGTABLE
[    0.000000] BRK [0x7b209000, 0x7b209fff] PGTABLE
[    0.000000] BRK [0x7b20a000, 0x7b20afff] PGTABLE
[    0.000000] RAMDISK: [mem 0x33374000-0x359b1fff]
[    0.000000] ACPI: Early table checksum verification disabled
[    0.000000] ACPI: RSDP 0x00000000000E0000 000024 (v02 VBOX  )
[    0.000000] ACPI: XSDT 0x000000007FFF0030 00003C (v01 VBOX   VBOXXSDT 00000001 ASL  00000061)
[    0.000000] ACPI: FACP 0x000000007FFF00F0 0000F4 (v04 VBOX   VBOXFACP 00000001 ASL  00000061)
[    0.000000] ACPI: DSDT 0x000000007FFF0470 00210F (v01 VBOX   VBOXBIOS 00000002 INTL 20100528)
[    0.000000] ACPI: FACS 0x000000007FFF0200 000040
[    0.000000] ACPI: FACS 0x000000007FFF0200 000040
[    0.000000] ACPI: APIC 0x000000007FFF0240 00005C (v02 VBOX   VBOXAPIC 00000001 ASL  00000061)
[    0.000000] ACPI: SSDT 0x000000007FFF02A0 0001CC (v01 VBOX   VBOXCPUT 00000002 INTL 20100528)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at [mem 0x0000000000000000-0x000000007ffeffff]
[    0.000000] NODE_DATA(0) allocated [mem 0x7ffeb000-0x7ffeffff]
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000] kvm-clock: cpu 0, msr 0:7ff6b001, primary cpu clock
[    0.000000] kvm-clock: using sched offset of 186093450318 cycles
[    0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.000000]   DMA32    [mem 0x0000000001000000-0x000000007ffeffff]
[    0.000000]   Normal   empty
[    0.000000]   Device   empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.000000]   node   0: [mem 0x0000000000100000-0x000000007ffeffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffeffff]
[    0.000000] On node 0 totalpages: 524174
[    0.000000]   DMA zone: 64 pages used for memmap
[    0.000000]   DMA zone: 21 pages reserved
[    0.000000]   DMA zone: 3998 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 8128 pages used for memmap
[    0.000000]   DMA32 zone: 520176 pages, LIFO batch:31
[    0.000000] ACPI: PM-Timer IO Port: 0x4008
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.000000] ACPI: IRQ0 used by override.
[    0.000000] ACPI: IRQ9 used by override.
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[    0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
[    0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[    0.000000] e820: [mem 0x80000000-0xfebfffff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on KVM
[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[    0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] percpu: Embedded 35 pages/cpu @ffff9760ffc00000 s102808 r8192 d32360 u1048576
[    0.000000] pcpu-alloc: s102808 r8192 d32360 u1048576 alloc=1*2097152
[    0.000000] pcpu-alloc: [0] 0 1 
[    0.000000] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes)
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 515961
[    0.000000] Policy zone: DMA32
[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.8.0-11-generic root=UUID=15098ee0-b5f4-49bb-b7b2-530197d4c238 ro quiet splash
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Calgary: detecting Calgary via BIOS EBDA area
[    0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
[    0.000000] Memory: 2007164K/2096696K available (6379K kernel code, 1364K rwdata, 2916K rodata, 1532K init, 1180K bss, 89532K reserved, 0K cma-reserved)
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	Build-time adjustment of leaf fanout to 64.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2
[    0.000000] NR_IRQS:524544 nr_irqs:440 16
[    0.000000] Console: colour VGA+ 80x25
[    0.000000] console [tty0] enabled
[    0.000000] tsc: Fast TSC calibration using PIT
[    0.000000] tsc: Detected 4010.643 MHz processor
[    0.044373] Calibrating delay loop (skipped) preset value.. 8016.00 BogoMIPS (lpj=16032000)
[    0.044376] pid_max: default: 32768 minimum: 301
[    0.044397] ACPI: Core revision 20160422
[    0.045124] ACPI: 2 ACPI AML tables successfully acquired and loaded

[    0.045151] Security Framework initialized
[    0.045152] Yama: becoming mindful.
[    0.045162] AppArmor: AppArmor initialized
[    0.045410] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
[    0.045623] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
[    0.045717] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
[    0.045718] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes)
[    0.046036] CPU: Physical Processor ID: 0
[    0.046036] CPU: Processor Core ID: 0
[    0.046047] mce: CPU supports 0 MCE banks
[    0.046063] numa_add_cpu cpu 0 node 0: mask now 0
[    0.046066] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[    0.046066] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[    0.046067] Applying alternatives
[    0.047463] Applying alternatives done
[    0.047463] Applying alternatives smp done
[    0.047489] Freeing SMP alternatives memory: 24K (ffffffffaa0d6000 - ffffffffaa0dc000)
[    0.052956] ftrace: allocating 25673 entries in 101 pages
[    0.075745] smpboot: APIC(0) Converting physical 0 to logical package 0
[    0.075745] smpboot: Max logical packages: 1
[    0.075941] x2apic enabled
[    0.076096] Switched APIC routing to physical x2apic.
[    0.076888] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.183201] smpboot: CPU0: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz (family: 0x6, model: 0x5e, stepping: 0x3)
[    0.183205] Performance Events: unsupported p6 CPU model 94 no PMU driver, software events only.
[    0.183224] KVM setup paravirtual spinlock
[    0.183623] x86: Booting SMP configuration:
[    0.183624] .... node  #0, CPUs:      #1
[    0.183807] kvm-clock: cpu 1, msr 0:7ff6b041, secondary cpu clock
[    0.183872] mce: CPU supports 0 MCE banks
[    0.183881] numa_add_cpu cpu 1 node 0: mask now 0-1
[    0.185943] x86: Booted up 1 node, 2 CPUs
[    0.185944] smpboot: Total of 2 processors activated (16032.00 BogoMIPS)
[    0.195646] devtmpfs: initialized
[    0.195694] x86/mm: Memory block size: 128MB
[    0.207929] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.221232] pinctrl core: initialized pinctrl subsystem
[    0.233122] NET: Registered protocol family 16
[    0.244738] cpuidle: using governor ladder
[    0.256939] cpuidle: using governor menu
[    0.256971] ACPI: bus type PCI registered
[    0.256971] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[    0.280901] PCI: Using configuration type 1 for base access
[    0.292877] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    0.328191] ACPI: Added _OSI(Module Device)
[    0.328192] ACPI: Added _OSI(Processor Device)
[    0.328193] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.328194] ACPI: Added _OSI(Processor Aggregator Device)
[    0.328409] ACPI: Executed 1 blocks of module-level executable AML code
[    0.330011] ACPI: Interpreter enabled
[    0.330017] ACPI: (supports S0 S5)
[    0.330018] ACPI: Using IOAPIC for interrupt routing
[    0.330132] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    0.332693] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    0.332696] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[    0.332698] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    0.332703] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[    0.332879] PCI host bridge to bus 0000:00
[    0.332880] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    0.332881] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    0.332882] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    0.332882] pci_bus 0000:00: root bus resource [mem 0x80000000-0xffdfffff window]
[    0.332883] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.332909] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[    0.333245] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[    0.333663] pci 0000:00:01.1: [8086:7111] type 00 class 0x01018a
[    0.333933] pci 0000:00:01.1: reg 0x20: [io  0xd000-0xd00f]
[    0.334047] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
[    0.334048] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
[    0.334048] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
[    0.334049] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
[    0.334189] pci 0000:00:02.0: [80ee:beef] type 00 class 0x030000
[    0.335585] pci 0000:00:02.0: reg 0x10: [mem 0xe0000000-0xe3ffffff pref]
[    0.342767] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[    0.343454] pci 0000:00:03.0: reg 0x10: [mem 0xf0000000-0xf001ffff]
[    0.344692] pci 0000:00:03.0: reg 0x18: [io  0xd010-0xd017]
[    0.347440] pci 0000:00:04.0: [80ee:cafe] type 00 class 0x088000
[    0.348029] pci 0000:00:04.0: reg 0x10: [io  0xd020-0xd03f]
[    0.348597] pci 0000:00:04.0: reg 0x14: [mem 0xf0400000-0xf07fffff]
[    0.349193] pci 0000:00:04.0: reg 0x18: [mem 0xf0800000-0xf0803fff pref]
[    0.351532] pci 0000:00:05.0: [8086:2668] type 00 class 0x040300
[    0.352088] pci 0000:00:05.0: reg 0x10: [mem 0xf0804000-0xf0807fff]
[    0.356166] pci 0000:00:06.0: [106b:003f] type 00 class 0x0c0310
[    0.356779] pci 0000:00:06.0: reg 0x10: [mem 0xf0808000-0xf0808fff]
[    0.360561] pci 0000:00:07.0: [8086:7113] type 00 class 0x068000
[    0.360883] pci 0000:00:07.0: quirk: [io  0x4000-0x403f] claimed by PIIX4 ACPI
[    0.360890] pci 0000:00:07.0: quirk: [io  0x4100-0x410f] claimed by PIIX4 SMB
[    0.361062] pci 0000:00:0b.0: [8086:265c] type 00 class 0x0c0320
[    0.361663] pci 0000:00:0b.0: reg 0x10: [mem 0xf0809000-0xf0809fff]
[    0.365423] pci 0000:00:0d.0: [8086:2829] type 00 class 0x010601
[    0.366069] pci 0000:00:0d.0: reg 0x10: [io  0xd040-0xd047]
[    0.367283] pci 0000:00:0d.0: reg 0x18: [io  0xd050-0xd057]
[    0.368496] pci 0000:00:0d.0: reg 0x20: [io  0xd060-0xd06f]
[    0.369072] pci 0000:00:0d.0: reg 0x24: [mem 0xf080a000-0xf080bfff]
[    0.371001] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 9 10 *11)
[    0.371138] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 9 10 *11)
[    0.371193] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 9 *10 11)
[    0.371247] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 *9 10 11)
[    0.371329] ACPI: Enabled 2 GPEs in block 00 to 07
[    0.371615] vgaarb: setting as boot device: PCI:0000:00:02.0
[    0.371616] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[    0.371617] vgaarb: loaded
[    0.371617] vgaarb: bridge control possible 0000:00:02.0
[    0.371746] PCI: Using ACPI for IRQ routing
[    0.371747] PCI: pci_cache_line_size set to 64 bytes
[    0.371935] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[    0.371938] e820: reserve RAM buffer [mem 0x7fff0000-0x7fffffff]
[    0.372006] NetLabel: Initializing
[    0.372006] NetLabel:  domain hash size = 128
[    0.372007] NetLabel:  protocols = UNLABELED CIPSOv4
[    0.372018] NetLabel:  unlabeled traffic allowed by default
[    0.372218] clocksource: Switched to clocksource kvm-clock
[    0.376753] VFS: Disk quotas dquot_6.6.0
[    0.803144] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    0.825005] AppArmor: AppArmor Filesystem Enabled
[    0.825042] pnp: PnP ACPI init
[    0.825093] pnp 00:00: Plug and Play ACPI device, IDs PNP0303 (active)
[    0.825136] pnp 00:01: Plug and Play ACPI device, IDs PNP0f03 (active)
[    0.825628] pnp: PnP ACPI: found 2 devices
[    0.835772] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    0.835779] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
[    0.835780] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
[    0.835781] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[    0.835782] pci_bus 0000:00: resource 7 [mem 0x80000000-0xffdfffff window]
[    1.155474] NET: Registered protocol family 2
[    1.605293] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
[    1.605314] TCP bind hash table entries: 16384 (order: 6, 262144 bytes)
[    1.605335] TCP: Hash tables configured (established 16384 bind 16384)
[    1.605356] UDP hash table entries: 1024 (order: 3, 32768 bytes)
[    1.605360] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
[    1.605388] NET: Registered protocol family 1
[    1.605395] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    1.605430] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[    1.605470] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[    1.606784] PCI: CLS 64 bytes, default 64
[    1.607008] Unpacking initramfs...
[    1.967142] Freeing initrd memory: 39160K (ffff9760b3374000 - ffff9760b59b2000)
[    1.967271] platform rtc_cmos: registered platform RTC device (no PNP device found)
[    1.985026] futex hash table entries: 512 (order: 3, 32768 bytes)
[    2.000335] audit: initializing netlink subsys (disabled)
[    2.000348] audit: type=2000 audit(1476955570.011:1): initialized
[    2.000526] Initialise system trusted keyrings
[    2.000890] workingset: timestamp_bits=40 max_order=19 bucket_order=0
[    2.000900] zbud: loaded
[    2.039923] Key type asymmetric registered
[    2.039923] Asymmetric key parser 'x509' registered
[    2.052397] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    2.052417] io scheduler noop registered
[    2.052418] io scheduler deadline registered
[    2.052425] io scheduler cfq registered (default)
[    2.052466] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[    2.052468] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[    2.052478] intel_idle: does not run on family 6 model 94
[    2.052529] GHES: HEST is not enabled!
[    2.052578] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    2.052740] Linux agpgart interface v0.103
[    2.052792] AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de>
[    2.052792] AMD IOMMUv2 functionality not available on this system
[    2.052958] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12
[    2.053396] serio: i8042 KBD port at 0x60,0x64 irq 1
[    2.053399] serio: i8042 AUX port at 0x60,0x64 irq 12
[    2.053469] mousedev: PS/2 mouse device common for all mice
[    2.053631] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[    2.053671] rtc_cmos rtc_cmos: alarms up to one day, 114 bytes nvram
[    2.053786] ledtrig-cpu: registered to indicate activity on CPUs
[    2.054082] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[    2.131617] NET: Registered protocol family 10
[    2.141586] mip6: Mobile IPv6
[    2.141602] NET: Registered protocol family 17
[    2.141604] mpls_gso: MPLS GSO support
[    2.141790] microcode: sig=0x506e3, pf=0x2, revision=0x0
[    2.141812] microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[    2.141885] registered taskstats version 1
[    2.141886] Loading compiled-in X.509 certificates
[    2.141899] call_modprobe: crypto-pkcs1pad(rsa,sha512)   2 
[    2.142601] call_modprobe: crypto-pkcs1pad(rsa,sha512)-all   2 
[    2.143363] alg: No test for pkcs1pad(rsa,sha512) (pkcs1pad(rsa-generic,sha512))
[    2.143834] Loaded X.509 cert 'Build time autogenerated kernel key: d134311951cc1de58f70a98aad98922509409854'
[    2.143843] zswap: loaded using pool lzo/zbud
[    2.144086] AppArmor: AppArmor sha1 policy hashing enabled
[    2.144529] rtc_cmos rtc_cmos: setting system clock to 2016-10-20 09:23:02 UTC (1476955382)
[    2.144565] PM: Hibernation image not present or could not be loaded.
[    2.145360] Freeing unused kernel memory: 1532K (ffffffffa9f57000 - ffffffffaa0d6000)
[    2.145361] Write protecting the kernel read-only data: 12288k
[    2.145896] Freeing unused kernel memory: 1796K (ffff9760fa83f000 - ffff9760faa00000)
[    2.147147] Freeing unused kernel memory: 1180K (ffff9760facd9000 - ffff9760fae00000)
[    2.149528] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[    2.158132] random: systemd-udevd: uninitialized urandom read (16 bytes read)
[    2.158169] random: systemd-udevd: uninitialized urandom read (16 bytes read)
[    2.158173] random: systemd-udevd: uninitialized urandom read (16 bytes read)
[    2.158513] random: udevadm: uninitialized urandom read (16 bytes read)
[    2.158533] random: udevadm: uninitialized urandom read (16 bytes read)
[    2.158785] random: udevadm: uninitialized urandom read (16 bytes read)
[    2.158816] random: udevadm: uninitialized urandom read (16 bytes read)
[    2.158823] random: udevadm: uninitialized urandom read (16 bytes read)
[    2.158934] random: udevadm: uninitialized urandom read (16 bytes read)
[    2.158960] random: udevadm: uninitialized urandom read (16 bytes read)
[    2.174673] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
[    2.174675] ACPI: Power Button [PWRF]
[    2.174733] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input3
[    2.174734] ACPI: Sleep Button [SLPF]
[    2.175464] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[    2.175465] e1000: Copyright (c) 1999-2006 Intel Corporation.
[    2.176649] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[    2.176688] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:00/input/input4
[    2.185607] FUJITSU Extended Socket Network Device Driver - version 1.1 - Copyright (c) 2015 FUJITSU LIMITED
[    2.187582] SCSI subsystem initialized
[    2.193144] ACPI: bus type USB registered
[    2.193156] usbcore: registered new interface driver usbfs
[    2.193163] usbcore: registered new interface driver hub
[    2.193748] usbcore: registered new device driver usb
[    2.195036] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    2.195721] ehci-pci: EHCI PCI platform driver
[    2.196372] libata version 3.00 loaded.
[    2.197796] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    2.392757] input: ImExPS/2 BYD TouchPad as /devices/platform/i8042/serio1/input/input5
[    2.519510] e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 08:00:27:a7:05:28
[    2.519514] e1000 0000:00:03.0 eth0: Intel(R) PRO/1000 Network Connection
[    2.520176] ehci-pci 0000:00:0b.0: EHCI Host Controller
[    2.520181] ehci-pci 0000:00:0b.0: new USB bus registered, assigned bus number 1
[    2.520216] e1000 0000:00:03.0 enp0s3: renamed from eth0
[    2.520326] ehci-pci 0000:00:0b.0: irq 19, io mem 0xf0809000
[    2.536449] ehci-pci 0000:00:0b.0: USB 2.0 started, EHCI 1.00
[    2.536488] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    2.536489] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    2.536490] usb usb1: Product: EHCI Host Controller
[    2.536491] usb usb1: Manufacturer: Linux 4.8.0-11-generic ehci_hcd
[    2.536492] usb usb1: SerialNumber: 0000:00:0b.0
[    2.536645] hub 1-0:1.0: USB hub found
[    2.536649] hub 1-0:1.0: 12 ports detected
[    2.536906] ata_piix 0000:00:01.1: version 2.13
[    2.537667] ohci-pci: OHCI PCI platform driver
[    2.537839] scsi host0: ata_piix
[    2.538090] scsi host1: ata_piix
[    2.538132] ata1: PATA max UDMA/33 cmd 0x1f0 ctl 0x3f6 bmdma 0xd000 irq 14
[    2.538146] ata2: PATA max UDMA/33 cmd 0x170 ctl 0x376 bmdma 0xd008 irq 15
[    2.538164] ahci 0000:00:0d.0: version 3.0
[    2.538552] ahci 0000:00:0d.0: SSS flag set, parallel bus scan disabled
[    2.538627] ahci 0000:00:0d.0: AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
[    2.538628] ahci 0000:00:0d.0: flags: 64bit ncq stag only ccc 
[    2.538973] scsi host2: ahci
[    2.539009] ata3: SATA max UDMA/133 abar m8192@0xf080a000 port 0xf080a100 irq 21
[    2.539342] ohci-pci 0000:00:06.0: OHCI PCI host controller
[    2.539345] ohci-pci 0000:00:06.0: new USB bus registered, assigned bus number 2
[    2.539396] ohci-pci 0000:00:06.0: irq 22, io mem 0xf0808000
[    2.596529] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[    2.596530] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    2.596531] usb usb2: Product: OHCI PCI host controller
[    2.596531] usb usb2: Manufacturer: Linux 4.8.0-11-generic ohci_hcd
[    2.596532] usb usb2: SerialNumber: 0000:00:06.0
[    2.596610] hub 2-0:1.0: USB hub found
[    2.596620] hub 2-0:1.0: 12 ports detected
[    2.696667] ata2.00: ATAPI: VBOX CD-ROM, 1.0, max UDMA/133
[    2.696945] ata2.00: configured for UDMA/33
[    2.697476] scsi 1:0:0:0: CD-ROM            VBOX     CD-ROM           1.0  PQ: 0 ANSI: 5
[    2.879991] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.880139] ata3.00: ATA-6: VBOX HARDDISK, 1.0, max UDMA/133
[    2.880140] ata3.00: 83884479 sectors, multi 128: LBA48 NCQ (depth 31/32)
[    2.880364] ata3.00: configured for UDMA/133
[    2.880585] scsi 2:0:0:0: Direct-Access     ATA      VBOX HARDDISK    1.0  PQ: 0 ANSI: 5
[    3.149559] tsc: Refined TSC clocksource calibration: 4007.278 MHz
[    3.149566] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x39c3382d8aa, max_idle_ns: 440795300174 ns
[    3.165067] sr 1:0:0:0: [sr0] scsi3-mmc drive: 32x/32x xa/form2 tray
[    3.165068] cdrom: Uniform CD-ROM driver Revision: 3.20
[    3.165530] sr 1:0:0:0: Attached scsi CD-ROM sr0
[    3.165580] sd 2:0:0:0: [sda] 83884479 512-byte logical blocks: (42.9 GB/40.0 GiB)
[    3.165592] sd 2:0:0:0: [sda] Write Protect is off
[    3.165593] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    3.165599] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    3.203193] random: fast init done
[    3.204082]  sda: sda1 sda2 < sda5 >
[    3.204515] sd 2:0:0:0: [sda] Attached SCSI disk
[    5.244298] floppy0: no floppy controllers found
[    6.782524] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[    7.948404] ip_tables: (C) 2000-2006 Netfilter Core Team
[    8.187513] systemd[1]: systemd 231 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
[    8.187542] systemd[1]: Detected virtualization oracle.
[    8.187545] systemd[1]: Detected architecture x86-64.
[    8.203333] systemd[1]: Set hostname to <louis-VirtualBox>.
[    8.306335] random: crng init done
[    9.510962] systemd[1]: Listening on fsck to fsckd communication Socket.
[    9.511005] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[    9.511022] systemd[1]: Listening on udev Kernel Socket.
[    9.511044] systemd[1]: Listening on Journal Socket.
[    9.511052] systemd[1]: Reached target Remote File Systems.
[    9.511066] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[   10.578504] call_modprobe: parport_lowlevel   2 
[   10.887315] lp: driver loaded but no devices found
[   10.937221] call_modprobe: parport_lowlevel   2 
[   10.938439] ppdev: user-space parallel port driver
[   12.429263] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro
[   12.510976] systemd-journald[180]: Received request to flush runtime journal from PID 1
[   13.474166] vboxguest: loading out-of-tree module taints kernel.
[   13.474255] vboxguest: module verification failed: signature and/or required key missing - tainting kernel
[   13.476699] vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds
[   13.476760] input: Unspecified device as /devices/pci0000:00/0000:00:04.0/input/input6
[   13.476815] vboxguest: misc device minor 58, IRQ 20, I/O port d020, MMIO at 00000000f0400000 (size 0x400000)
[   13.476815] vboxguest: Successfully loaded version 5.1.8 (interface 0x00010004)
[   13.920273] ACPI: AC Adapter [AC] (on-line)
[   13.925066] piix4_smbus 0000:00:07.0: SMBus Host Controller at 0x4100, revision 0
[   13.999929] sr 1:0:0:0: Attached scsi generic sg0 type 5
[   13.999979] sd 2:0:0:0: Attached scsi generic sg1 type 0
[   14.055844] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 10737418240 ms ovfl timer
[   14.055845] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules
[   14.055845] RAPL PMU: hw unit of domain package 2^-0 Joules
[   14.055845] RAPL PMU: hw unit of domain dram 2^-0 Joules
[   14.055846] RAPL PMU: hw unit of domain pp1-gpu 2^-0 Joules
[   14.055846] RAPL PMU: hw unit of domain psys 2^-0 Joules
[   14.727866] [drm] Initialized drm 1.1.0 20060810
[   14.831121] AVX version of gcm_enc/dec engaged.
[   14.831122] AES CTR mode by8 optimization enabled
[   14.831680] [drm] VRAM 04000000
[   14.831761] [TTM] Zone  kernel: Available graphics memory: 1025428 kiB
[   14.831762] [TTM] Initializing pool allocator
[   14.831765] [TTM] Initializing DMA pool allocator
[   14.832383] fbcon: vboxdrmfb (fb0) is primary device
[   14.832384] call_modprobe: crypto-cryptd(__driver-ecb-aes-aesni)   2 
[   14.837862] call_modprobe: crypto-cryptd(__driver-ecb-aes-aesni)-all   2 
[   14.837981] Console: switching to colour frame buffer device 100x37
[   14.838646] vboxvideo 0000:00:02.0: fb0: vboxdrmfb frame buffer device
[   14.838824] call_modprobe: crypto-cryptd(__driver-gcm-aes-aesni)   2 
[   14.839565] call_modprobe: crypto-cryptd(__driver-gcm-aes-aesni)-all   2 
[   14.856820] [drm] Initialized vboxvideo 1.0.0 20130823 for 0000:00:02.0 on minor 0
[   15.001507] call_modprobe: crypto-cryptd(__ghash-pclmulqdqni)   2 
[   15.002081] call_modprobe: crypto-cryptd(__ghash-pclmulqdqni)-all   2 
[   15.686850] snd_hda_intel 0000:00:05.0: CORB reset timeout#1, CORBRP = 0
[   15.692920] call_modprobe: hdaudio:v83847680r00103401a01
                  2 
[   15.856804] snd_hda_codec_idt hdaudioC0D0: autoconfig for STAC9221 A1: line_outs=3 (0xc/0xf/0xb/0x0/0x0) type:speaker
[   15.856805] snd_hda_codec_idt hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[   15.856806] snd_hda_codec_idt hdaudioC0D0:    hp_outs=1 (0xa/0x0/0x0/0x0/0x0)
[   15.856807] snd_hda_codec_idt hdaudioC0D0:    mono: mono_out=0x0
[   15.856807] snd_hda_codec_idt hdaudioC0D0:    dig-out=0x10/0x0
[   15.856808] snd_hda_codec_idt hdaudioC0D0:    inputs:
[   15.856809] snd_hda_codec_idt hdaudioC0D0:      Mic=0xd
[   15.856810] snd_hda_codec_idt hdaudioC0D0:      Line=0xe
[   15.856810] snd_hda_codec_idt hdaudioC0D0:      CD=0x15
[   15.856811] snd_hda_codec_idt hdaudioC0D0:    dig-in=0x11
[   15.877295] input: HDA Intel Mic as /devices/pci0000:00/0000:00:05.0/sound/card0/input7
[   15.877358] input: HDA Intel Line as /devices/pci0000:00/0000:00:05.0/sound/card0/input8
[   15.877416] input: HDA Intel Speaker Front as /devices/pci0000:00/0000:00:05.0/sound/card0/input9
[   15.877475] input: HDA Intel Speaker CLFE as /devices/pci0000:00/0000:00:05.0/sound/card0/input10
[   15.877529] input: HDA Intel Front Headphone as /devices/pci0000:00/0000:00:05.0/sound/card0/input11
[   15.877701] input: HDA Intel SPDIF In as /devices/pci0000:00/0000:00:05.0/sound/card0/input12
[   17.020533] floppy0: no floppy controllers found
[   17.020568] work still pending
[   17.213903] Adding 2096124k swap on /dev/sda5.  Priority:-1 extents:1 across:2096124k FS
[   17.455740] audit: type=1400 audit(1476955397.808:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=539 comm="apparmor_parser"
[   17.455744] audit: type=1400 audit(1476955397.808:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=539 comm="apparmor_parser"
[   17.455747] audit: type=1400 audit(1476955397.808:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=539 comm="apparmor_parser"
[   17.455750] audit: type=1400 audit(1476955397.808:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=539 comm="apparmor_parser"
[   17.461809] audit: type=1400 audit(1476955397.812:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/lightdm/lightdm-guest-session" pid=538 comm="apparmor_parser"
[   17.461814] audit: type=1400 audit(1476955397.812:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/lightdm/lightdm-guest-session//chromium" pid=538 comm="apparmor_parser"
[   17.525621] audit: type=1400 audit(1476955397.880:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/evince" pid=540 comm="apparmor_parser"
[   17.525627] audit: type=1400 audit(1476955397.880:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/evince//sanitized_helper" pid=540 comm="apparmor_parser"
[   17.525629] audit: type=1400 audit(1476955397.880:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/evince-previewer" pid=540 comm="apparmor_parser"
[   17.525632] audit: type=1400 audit(1476955397.880:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/evince-previewer//sanitized_helper" pid=540 comm="apparmor_parser"
[   20.838621] vboxsf: Successfully loaded version 5.1.8 (interface 0x00010004)
[   27.027427] systemd[1]: snapd.refresh.timer: Adding 3h 23min 24.615571s random time.
[   27.027431] systemd[1]: snapd.refresh.timer: Adding 1h 18min 51.260931s random time.
[   27.027491] systemd[1]: apt-daily.timer: Adding 2h 9min 7.449072s random time.
[   27.081223] systemd[1]: snapd.refresh.timer: Adding 4min 34.599354s random time.
[   27.081228] systemd[1]: snapd.refresh.timer: Adding 1h 35min 52.318699s random time.
[   27.081289] systemd[1]: apt-daily.timer: Adding 11h 2min 34.691141s random time.
[   27.789800] IPv6: ADDRCONF(NETDEV_UP): enp0s3: link is not ready
[   27.791025] IPv6: ADDRCONF(NETDEV_UP): enp0s3: link is not ready
[   27.800641] e1000: enp0s3 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[   27.800893] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s3: link becomes ready
[   28.812003] VBoxService 5.1.8 r111374 (verbosity: 0) linux.amd64 (Oct 18 2016 15:52:41) release log
               00:00:00.000121 main     Log opened 2016-10-20T09:23:29.167438000Z
[   28.812039] 00:00:00.000193 main     OS Product: Linux
[   28.812052] 00:00:00.000211 main     OS Release: 4.8.0-11-generic
[   28.812065] 00:00:00.000224 main     OS Version: #12-Ubuntu SMP Sat Sep 17 20:00:03 UTC 2016
[   28.812087] 00:00:00.000237 main     Executable: /opt/VBoxGuestAdditions-5.1.8/sbin/VBoxService
               00:00:00.000237 main     Process ID: 923
               00:00:00.000238 main     Package type: LINUX_64BITS_GENERIC
[   28.813209] 00:00:00.001358 main     5.1.8 r111374 started. Verbose level = 0
[   30.590918] systemd[1]: snapd.refresh.timer: Adding 5h 51min 12.978830s random time.
[   30.590922] systemd[1]: snapd.refresh.timer: Adding 1h 19min 24.990893s random time.
[   30.590986] systemd[1]: apt-daily.timer: Adding 9h 15min 9.133084s random time.
[   30.657931] systemd[1]: snapd.refresh.timer: Adding 3h 3min 21.216672s random time.
[   42.915159] call_modprobe: char-major-10-229   2 
[   42.942648] fuse init (API version 7.25)
louis@louis-VirtualBox:~$
Now on 5.1.8.

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 15:20
by michaln
I don't see any obvious problem in that dmesg output. There is a problem with OHCI in the 4.8 kernel which can break OHCI support and take out other devices as well (disable the interrupt they're sharing with OHCI). But that didn't happen in your run, at least not that one time.

Based on what I've seen, I'd say avoid Ubuntu 16.10. The 4.8.0 kernel is just too buggy.

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 15:22
by loukingjr
Thanks for checking. At the moment I'm avoiding VB in general. I'm having too many issues running it on a macOS Sierra 10.12 host.

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 15:34
by socratis
loukingjr wrote:I'm having too many issues running it on a macOS Sierra 10.12 host.
[OffTopic] Really? Could you elaborate so I'll know what's going on? If you don't want to dilute the thread, could you via a PM?

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 15:37
by loukingjr
See: viewtopic.php?f=1&t=80222#p375691

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 16:33
by michaln
I don't think it has anything to do with Sierra. VBox 5.1.8 is, um, a bit broken. Or is any of that really Sierra specific?

So far we've had very few Sierra-specific complaints. Nothing like El Capitan (or most previous OS X releases) came out.

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 16:38
by loukingjr
It's early yet. :shock:
It's mainly audio issues. At first I thought it may be that somehow all my guests became corrupted over time. But when I created new guests I was running into the same issues. I'll bite the bullet and try a few new guests.

Re: Xubuntu 16.10 very slow

Posted: 20. Oct 2016, 16:41
by michaln
Audio in 5.1.x has... well... problems. So far the bugs have been simply shifting around, with every fix breaking something else instead. We know about that. If you need audio, I'd at the moment recommend sticking with 5.0.x.

If there are any problems really specific to Sierra, we'd like to know though.
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