VirtualBox

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Ticket Resolution Summary Owner Reporter
#21110 invalid blkcache_ioerr causes fatal crash s cowles
Description

I am running vbox 6.1.38 on a win 11 host with up to date patches. My guest is ubu 22.04.1 server. I have vdi's for /, swap, /home. space allocation for / is 200G, fixed; currently, 175G is free. The drive hosting this vm is a samsung m.2, 2T, drive; 1.2T is currently free. For each vdi, I have selected the options for ssd drive and hot swap.

I have done fresh installations of vbox, then the ubu server, four times now, and all have gotten this error within 10 minutes of starting the vm.

The m.2 drive in question has posted no error messages in its logs.

I would be happy to provide whatever supplemental info might be required to further diagnose / solve this problem.

#13288 invalid Host-only network adapter causes conflicts, lies about disabled status scovich
Description

After installing VirtualBox on my Win7/x64 machine, I noticed that I can no longer send email. Thunderbird produces the message "An error occurred sending mail: The mail server sent an incorrect greeting: 4.3.2 Connection rate limit exceeded.."

I had never seen this error before until installing VirtualBox, and the error started popping up immediately afterward. Unfortunately, disabling the host-only network adapter does not fix the problem. I actually don't think the adapter is disabled at all, though: the guest can access the internet just fine with it disabled. Connecting to a VPN fixes the problem, but the guest cannot access the network while the host is connected to the VPN.

Google turned up nothing, nor did a bug search. Bug #8698 seemed similar, though, and I tried changing the metric as advised in the comments there; no luck, the behavior persists. VBox.log contains nothing related to networking (just a ton of messages about seamless mode and window resizing).

I realize the true test would be to uninstall VirtualBox and see if the problem goes away, but that would undo many hours of work to get the thing running so I didn't try it.

Happy to try workarounds and/or diagnose further, but currently out of ideas...

#8770 fixed Problems instalation version 4.0.6 for Windows Sérgio Coutinho
Description

I have permissions, but ....

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