Network Router User Manual

Contents
9.13.2 Configuring the boot server (next server) of a NAT network in-
terface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
9.13.3 Tuning TCP/IP buffers for NAT . . . . . . . . . . . . . . . . . . . 149
9.13.4 Binding NAT sockets to a specific interface . . . . . . . . . . . . 149
9.13.5 Enabling DNS proxy in NAT mode . . . . . . . . . . . . . . . . . 150
9.13.6 Using the host’s resolver as a DNS proxy in NAT mode . . . . . . 150
9.14 Configuring the maximum resolution of guests when using the graphi-
cal frontend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
9.15 Configuring the BIOS DMI information . . . . . . . . . . . . . . . . . . . 151
9.16 Configuring the guest time stamp counter (TSC) to reflect guest execution152
9.17 Configuring the hard disk vendor product data (VPD) . . . . . . . . . . 152
10 VirtualBox programming interfaces 154
11 Troubleshooting 155
11.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
11.1.1 Collecting debugging information . . . . . . . . . . . . . . . . . 155
11.1.2 Guest shows IDE/SATA errors for file-based images on slow host
file system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
11.1.3 Responding to guest IDE/SATA flush requests . . . . . . . . . . . 156
11.2 Windows guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
11.2.1 Windows bluescreens after changing VM configuration . . . . . 157
11.2.2 Windows 0x101 bluescreens with SMP enabled (IPI timeout) . . 157
11.2.3 Windows 2000 installation failures . . . . . . . . . . . . . . . . 157
11.2.4 How to record bluescreen information from Windows guests . . 158
11.2.5 No networking in Windows Vista guests . . . . . . . . . . . . . . 158
11.2.6 Windows guests may cause a high CPU load . . . . . . . . . . . 158
11.3 Linux and X11 guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
11.3.1 Linux guests may cause a high CPU load . . . . . . . . . . . . . 159
11.3.2 AMD Barcelona CPUs . . . . . . . . . . . . . . . . . . . . . . . . 159
11.3.3 Buggy Linux 2.6 kernel versions . . . . . . . . . . . . . . . . . . 159
11.3.4 Shared clipboard, auto-resizing and seamless desktop in X11
guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
11.4 Windows hosts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
11.4.1 VBoxSVC out-of-process COM server issues . . . . . . . . . . . . 160
11.4.2 CD/DVD changes not recognized . . . . . . . . . . . . . . . . . . 160
11.4.3 Sluggish response when using Microsoft RDP client . . . . . . . 161
11.4.4 Running an iSCSI initiator and target on a single system . . . . . 161
11.5 Linux hosts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
11.5.1 Linux kernel module refuses to load . . . . . . . . . . . . . . . . 162
11.5.2 Linux host CD/DVD drive not found . . . . . . . . . . . . . . . . 162
11.5.3 Linux host CD/DVD drive not found (older distributions) . . . . 162
11.5.4 Linux host floppy not found . . . . . . . . . . . . . . . . . . . . 163
11.5.5 Strange guest IDE error messages when writing to CD/DVD . . . 163
11.5.6 VBoxSVC IPC issues . . . . . . . . . . . . . . . . . . . . . . . . . 163
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