VirtualBox

Ticket #4511 (closed defect: worksforme)

Opened 5 years ago

Last modified 4 years ago

regression: winxp guest shows "cable unplugged" for 2 nics, AMD PCNET & Intel PR01000MT

Reported by: m27315 Owned by:
Priority: major Component: network
Version: VirtualBox 3.0.2 Keywords:
Cc: Guest type: Windows
Host type: Linux

Description

My Windows XP Pro guest has 2 NAT attached NICS:

  1. NAT: PCnet-FAST III (Am79C973)
  2. NAT: Intel PRO/10000 MT Server (82545EM)

In VB 2.2.4, everything works fine. I am able to access both local shares and the internet. However, in both 3.0.0 and 3.0.2, both adapters show up in the Windows tray as "Cable unplugged", and I cannot access the internet. I have downgraded from 3.0.0 to 2.2.4, and the network works fine again. I have not tried downgrading from 3.0.2 yet...

Interestingly, I can see my mapped drives via VB shared folders on my local box in 3.0, even though the network cable is "unplugged".

Thanks!

Attachments

VBox.log Download (101.5 KB) - added by m27315 5 years ago.
log for first run after upgrade 2.2.4 to 3.0.2
VBox.2.log Download (68.3 KB) - added by m27315 5 years ago.
log with only 1 nic, 2nd disabled - can access internet
VBox.3.log Download (93.9 KB) - added by m27315 5 years ago.
log for both nics again, with latest GuestAddons - no internet again

Change History

Changed 5 years ago by m27315

log for first run after upgrade 2.2.4 to 3.0.2

Changed 5 years ago by m27315

log with only 1 nic, 2nd disabled - can access internet

Changed 5 years ago by m27315

log for both nics again, with latest GuestAddons - no internet again

comment:1 Changed 5 years ago by m27315

interestingly, if I disable the 2nd NIC (PRO1000 MT Server) in the VM manager, and restart the VM guest, then the guest can access the internet! (see attachments).

comment:2 Changed 4 years ago by frank

Shared folders are attached to the VMM using a different mechanism so disabling the network interfaces wouldn't affect a VBox shared folder.

We just fixed a bug which was allowing the guest to transmit / receive even if the E1000 network card was disconnected. The fix will be included in the next release (after 3.0.10).

The original problem of this ticket is not reproducible here. Did you test the latest release 3.0.10? Is the original problem still reproducible?

comment:3 Changed 4 years ago by Technologov

No response, please close.

-Technologov

comment:4 Changed 4 years ago by frank

  • Status changed from new to closed
  • Resolution set to worksforme
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