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Ticket Resolution Summary Owner Reporter
#8395 obsolete OSX host networking UDP odd behaviour when VirtualBox VM running Dave Hill
Description

Setup:

OSX host (10.5.8) connected to network via en0, IP address 192.168.5.2
Linux Guest (Centos 5.5 32bit) using bridged networking, IP address 192.168.5.3

Host also runs "bind" caching name server.

When guest is running, *some* DNS queries (either from the guest or from other machines in the network) fail with "timed out". When guest is not running, all is OK.

It doesn't matter if the guest is actually booted (I interrupted the boot at the GRUB screen), the problem is still there.

example from another OSX laptop on the network, querying the DNS server on the OSX VB host:

dhcp102:~ dave$ host mx1.cmail3.com 192.168.5.2
;; connection timed out; no servers could be reached
dhcp102:~ dave$ 

but if I query my other (old) DNS server then it works:

dhcp102:~ dave$ host mx1.cmail3.com 192.168.5.5
Using domain server:
Name: 192.168.5.5
Address: 192.168.5.5#53
Aliases: 

mx1.cmail3.com has address 206.72.127.155
mx1.cmail3.com has address 206.72.127.149
dhcp102:~ dave$ 

and if I query for something else on either DNS server it works!

dhcp102:~ dave$ host mx2.cmail3.com 192.168.5.2
Using domain server:
Name: 192.168.5.2
Address: 192.168.5.2#53
Aliases: 

mx2.cmail3.com has address 206.72.127.216
dhcp102:~ dave$ host mx2.cmail3.com 192.168.5.5
Using domain server:
Name: 192.168.5.5
Address: 192.168.5.5#53
Aliases: 

mx2.cmail3.com has address 206.72.127.216
dhcp102:~ dave$ 

So it depends on the size of the packets.

Running a packet capture from both ends shows that it all *looks* OK, until you enable "calculate checksums" for UDP in Wireshark, then it shows that the UDP checksum is wrong on the packets that "go missing".

When the problem occurs, the following message is logged on the OSX host console log:

Feb 21 22:52:57 henry kernel[0]: in_delayed_cksum_offset: ip_len 49408 (193) doesn't match actual length 207
#8400 obsolete Error on shutdown mann_ri
Description

This is an error I receive on 99% shutdowns of only one Virtual Machine. VM guest is Windows XP which works very good, only shutdown procedure makes VirtualBox to brake apart. Host OS is Win 7.

Win7 error report: Problem signature:

Problem Event Name: APPCRASH Application Name: VirtualBox.exe Application Version: 4.0.4.0 Application Timestamp: 4d5d55a5 Fault Module Name: QtGuiVBox4.dll Fault Module Version: 4.4.3.0 Fault Module Timestamp: 49d69f57 Exception Code: c0000005 Exception Offset: 001654eb OS Version: 6.1.7600.2.0.0.256.4 Locale ID: 1033 Additional Information 1: b804 Additional Information 2: b80454cc42ecac28e0b25e0611d32a5e Additional Information 3: d04c Additional Information 4: d04c3023b28604ecf8ab70b4b1d16045

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#8402 obsolete Samsung Kies windows 7 VM 32 bit X301
Description

Because I am a convert from vmware workstation and didn't have any issues with said software. or guest installed softwares.

This is a new install for win7 not import from vmware, virtual box 4.0.4 r70112 last release with tools installed, also tried installing tools in safe mode with same results, OS is fully updated.

e.g. Samsung kies software Kies_2.0.0.11014_49_2 for android updates will install but NOT run. Phone is attached via usb in VM settings however software once clicked to run spews out this.

http://img517.imageshack.us/img517/3550/fatal.png

Also along Phone software updates Sony Ericsson phone software update is impossible its jumps like mad all over place... And wont allow or recognize phones though it runs badly.

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