[Bug 200468] emulators/virtualbox-ose: hangs when using nmdm as serial device
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Tue May 26 18:38:57 UTC 2015
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200468
Bug ID: 200468
Summary: emulators/virtualbox-ose: hangs when using nmdm as
serial device
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: Individual Port(s)
Assignee: vbox at FreeBSD.org
Reporter: olgeni at FreeBSD.org
Assignee: vbox at FreeBSD.org
Flags: maintainer-feedback?(vbox at FreeBSD.org)
Created attachment 157176
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=157176&action=edit
Serial device fix
When using nmdm(4) as a serial device, a VirtualBox VM will not start until the
corresponding nmdm(4) peer device is open.
For example, if you configure a test_vm like this:
VBoxManage modifyvm test_vm --uart1 0x3F8 4 --uartmode1 /dev/nmdm0A
it will hang at boot forever until /dev/nmdm0B is accessed.
It possibly happens on actual serial devices too, but I don't have one to test.
This case is already handled for Linux so we just have to expand the check to
cover FreeBSD too.
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