Date: Sat, 12 May 2012 15:35:19 -0400 From: Gary Palmer <gjp@in-addr.com> To: freebsd-emulation@freebsd.org Subject: Re: headless virtualbox crashing - possible problem with interaction with libvncserver (including patch) Message-ID: <20120512193519.GC31698@in-addr.com> In-Reply-To: <20120512193138.GB31698@in-addr.com> References: <20120512193138.GB31698@in-addr.com>
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On Sat, May 12, 2012 at 03:31:38PM -0400, Gary Palmer wrote:
> Hi,
>
> I have virtualbox-ose-4.1.14 and libvncserver-0.9.9 installed on FreeBSD 9
> and while I could start one VM using VBoxHeadless fine, the 2nd one would
> start but if I tried to attach to the VNC server it would crash with a bus
> error. The only thing I noticed in the startup messages was
>
> 12/05/2012 19:01:24 Listening for VNC connections on TCP port 5901
> 12/05/2012 19:01:24 rfbListenOnTCP6Port: error in bind IPv6 socket: Address already in use
>
> I tracked this down to libvncserver having IPv6 support but virtualbox
> not setting the IPv6 port, just the IPv4 port. I recompiled with debugging
> symbols and the attached patch and the crashes have stopped. I'm
> inclined to suspect that the patch stops the crash. I'm half pondering
> altering the patch a little so that if a port isn't specified it uses the
> autoprobe feature of libvncserver to find a free port rather than blindly
> assuming 5900 all the time.
The patch got stripped, probably for having the wrong MIME type. Let me
try again.
Gary
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filename="patch-src-VBox-Frontends-VBoxHeadless-FramebufferVNC.cpp.txt"
--- src/VBox/Frontends/VBoxHeadless/FramebufferVNC.cpp.orig 2012-05-12 19:50:26.807639833 +0100
+++ src/VBox/Frontends/VBoxHeadless/FramebufferVNC.cpp 2012-05-12 19:50:38.568636058 +0100
@@ -89,7 +89,10 @@
vncServer = rfbGetScreen(0, NULL, mWidth, mHeight, 8, 3, 1);
vncServer->screenData = (void*)this;
if (mVncPort)
+ {
vncServer->port = mVncPort;
+ vncServer->ipv6port = mVncPort;
+ }
char *pszDesktopName;
rc = RTStrAPrintf(&pszDesktopName, "%s - VirtualBox", pszName);
if (rc >= 0)
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