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innotek 在近日发布了开源虚拟机软件 VirtualBox 的 1.5.4 版。自 VirtualBox 1.5.2 推出以来，VirtualBox 1.5.4 的主要改进包括：支持 USB 2.0、添加了 PulseAudio 后端、改善了 FreeBSD 客户机的兼容性等。推荐使用 VirtualBox 的朋友及时更新。
以下为 VirtualBox 1.5.4 的完整更改日志，谨供参考：
- USB 2.0 support
- PulseAudio backend
- GUI: fixed accelerators in German translation
- GUI: fixed registration dialog crashes
- GUI: allow to enter unicode characters to the name of the registration dialog
- GUI: pre-select attached media in the disk manager when opened from the VM settings dialog
- GUI: remember the last active VM
- GUI: don’t accept empty paths for serial/parallel ports in XML
- GUI: fixed NumLock / CapsLock synchronizazion on Windows hosts
- GUI: don’t start the kernel timer if no VM is active (Linux host)
- VMM: improved compatibility with FreeBSD guests
- VMM: properly restore CR4 after leaving VT-x mode
- VMM: patch code and disassembler updates
- VMM: with VT-x a pending interrupt could be cleared behind our back
- VMM: workaround for missed cpuid patch (some Linux guests refuse to boot on multi-core CPUs)
- VMM: fixed code for overriding CPUID values
- API: don’t crash when trying to create a VM with a duplicate name
- API: don’t crash when trying to access the settings of a VM when some other VMs are not accessible
- API: fixed several memory leaks
- ATA/IDE: fixed SuSE 9.1 CD read installer regression
- Floppy: fixed inverted write protect flag
- USB: virtualize an EHCI controller
- USB: several minor fixes
- Network: fixed MAC address check
- Network: host interface fixes for Solaris guests
- Network: guest networking stopped completely after taking a snapshot
- Network: don’t crash if a network card is enabled but not attached
- PXE: fix for PXE-EC8 error on soft reboot
- NAT: update the DNS server IP address on every DNS packet sent by the guest
- VGA: reset VRAM access handers after a fullscreen update
- VGA: don’t overwrite guest’s VRAM when displaying a blank screen
- ACPI: implemented the sleep button event
- VRDP: fixed crash when querying VRDP properties
- VRDP: netAddress fixes
- VRDP: fixed the Pause/Break keys over VRDP
- VRDP: sync NumLock / CapsLock sync over VRDP
- VRDP: workaround for scrambled icons with a guest video mode of 16bpp
- VRDP: reset modifer keys on RDP_INPUT_SYNCHRONIZE
- VRDP: reset RDP updates after resize to prevent obsolete updates
- Clipboard: Windows host/guest fixes
- Clipboard: fixed a SEGFAULT on VM exit (Linux host)
- Clipboard: fixed a buffer overflow (Linux host)
- Shared Folders: fixed memory leaks
- Linux installer: remove the old kernel module before compiling a new one
- Linux host: compatibility fixes with Linux 2.6.24
- Linux host: script fixes for ArchLinux
- Linux host: load correct HAL library to determine DVD/floppy (libhal.so.1 not libhal.so)
- Linux host: make sure the tun kernel module is loaded before initializing static TAP interfaces
- Windows additions: fixed hang during HGCM communication
- Windows additions: fixed delay when shutting down the guest
- Linux additions: added sendfile support to allow HTTP servers to send files on shared folders
- Linux additions: make additions work with Fedora 8 (SELinux policy added)
- Linux additions: sometimes ARGB pointers were display incorrectly
- Linux additions: several small script fixes
除源代码外，VirtualBox 1.5.4 针对 Ubuntu、Debian、openSUSE、SUSE Linux
Enterprise Server、Fedora、Mandriva、Red Hat Enterprise
Linux、PCLinuxOS、Xandros Desktop 等 Linux 发行版提供有预编译的二进制包，你可以从 VirtualBox 的官方网站下载。
→ 转载时必须以链接形式注明文章原始出处及作者信息。
→ 本文网址：http://linuxtoy.org/archives/virtualbox-154-released.html
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