VirtualBox

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Ticket Resolution Summary Owner Reporter
#2883 fixed NAT forwarding capability defunc in VBox2.1.0 new2pop@hotmail.com
Description

I set the following in VBOX2.1.0, and in the host OS, the port 2222 is listening there, but putty.exe could not get response... so I downgrade to VBOX2.0.6, it works well...


<ExtraDataItem name="VBoxInternal/Devices/pcnet/0/LUN#0/Config/guestssh/Protocol" value="TCP"/>

<ExtraDataItem name="VBoxInternal/Devices/pcnet/0/LUN#0/Config/guestssh/GuestPort" value="22"/> <ExtraDataItem name="VBoxInternal/Devices/pcnet/0/LUN#0/Config/guestssh/HostPort" value="2222"/>


#2884 fixed No clear documentation about nested paging -> fixed in SVN John
Description

I have an Intel Core i7 cpu and according to the documentation I should be able to use Nested Paging(Section 1.2 - "Intel will ship support for nested page tables, then called "Extended Page Tables" (EPT), with their new Nehalem processors."). What is the status of this feature? Should the documentation be changed or is there a defect? I have tried a mixture of Windows Vista/XP and Fedora 10 hosts and guests and with VT-d enabled and disabled in my bios to no avail.

Here is my /proc/cpuinfo (cropped to eliminate the data repeated 8 times). I have VT-d enabled and I have an Asus P6T-Deluxe motherboard with 6gb of triple channel DDR3 in case that has any influence.

processor : 7 vendor_id : GenuineIntel cpu family : 6 model : 26 model name : Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz stepping : 4 cpu MHz : 2672.717 cache size : 8192 KB physical id : 0 siblings : 8 core id : 3 cpu cores : 4 apicid : 7 initial apicid : 7 fpu : yes fpu_exception : yes cpuid level : 11 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr sse4_1 sse4_2 popcnt lahf_lm ida bogomips : 5344.68 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management:

#2885 fixed vboxnetflt kernel: Oops: 0000 [1] SMP Blaine Palmer
Description

The server is running Debian Etch 4, debian 2.6.18-6-amd64 SMP kernel. Processor type is Intel(R) Core(TM)2 Quad CPU Q9300 @ 2.50GHz.

Install progressed normally, modules loaded as per lsmod, and no errors until Guest VM is started. Upon starting the Guest VM (WS2k8 Standard) a console alert appears.

Message from syslogd@over9000 at Wed Dec 24 03:34:53 2008 ... 
over9000 kernel: Oops: 0000 [1] SMP 

Message from syslogd@over9000 at Wed Dec 24 03:34:53 2008 ... 
over9000 kernel: CR2: ffffffffffffff58 

Message from syslogd@over9000 at Wed Dec 24 03:34:53 2008 ... 
over9000 kernel: Oops: 0000 [2] SMP 

Message from syslogd@over9000 at Wed Dec 24 03:34:53 2008 ... 
over9000 kernel: CR2: ffffffffffffff58

Following this alert general system stability appears unaffected and the VM continues to boot as normal. Once inside the VM it becomes obvious that no networking capability through the Host Interface is working. VM configuration will be attached.

Further investigation into the kernel Oops reveals that this appears to be related to the vboxnetflt module.

---snip---
Dec 24 03:34:53 over9000 kernel: RIP: 0010:[<ffffffff8834772d>]  [<ffffffff8834772d>] :vboxnetflt:vboxNetFltLinuxXmitTask+0x1c/0x18e 
---snip---
Dec 24 03:34:53 over9000 kernel:  <1>Unable to handle kernel paging request at ffffffffffffff58 RIP:
---snip---

The full kernel log error will be attached.

PLEASE NOTE: This error occurs regardless of the guest operating system, or host interface chosen. It occurs as soon as you start a VM with -nic1 hostif via VBoxHeadless (I assume any method of starting the VM but as this machine does not even have a console/monitor there is no way to check X11 or SDL.)

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