Re: [Qemu-devel] [ANNOUNCE] QEMU 1.0 release

[Anthony Liguori <anthony@codemonkey.ws>]

On 12/05/2011 09:06 AM, Alex Jia wrote:
> Hi Anthony,
> It seems the following link is unavailable now:
> http://wiki.qemu.org/download/qemu-1.0.tar.gz

The VM is crashing pretty often.  We're working on a migration plan that will 
resolve this problem.  I'll post dates once I can confirm them.

The link should be working again by the time you get this message.

Regards,

Anthony Liguori

>
> Regards,
> Alex
>
> ----- Original Message -----
> From: "Anthony Liguori"<aliguori@us.ibm.com>
> To: "qemu-devel"<qemu-devel@nongnu.org>
> Sent: Friday, December 2, 2011 5:23:37 AM
> Subject: [Qemu-devel] [ANNOUNCE] QEMU 1.0 release
>
> Hi,
>
> On behalf of the QEMU Team, I'd like to announce the availability of
> QEMU 1.0!
>
> Over 8 years ago, Fabrice Bellard started QEMU as a small tool to run x86 Linux
> binaries on non-x86 Linux platforms.  QEMU has since evolved into a cross
> architecture full system simulator capable of simulating 14 different target
> architectures across a wide variety of host platforms.  QEMU can simulate over
> 400 different hardware devices in dozens of different boards.
>
> QEMU also forms the heart of multiple hardware virtualization platforms
> including Xen and KVM.
>
> Over those 8 years, we have seen almost 20,000 changesets from close to 400
> unique authors.  I'd like to personally thank everyone who has contributed to
> making this release and all of our previous releases a success!
>
> In this release, we have seen many improvements.  For the a full summary of
> changes, see the ChangeLog below.  You can download 1.0 from qemu.org at:
>
> http://wiki.qemu.org/download/qemu-1.0.tar.gz
>
> ChangeLog:
>
> == General ==
> * i386-softmmu is no longer named ''qemu'' but instead referred to as
> ''qemu-system-i386'' for better consistency with other targets.  A new tool is
> likely to be introduced that uses the ''qemu'' name so distributions are advised
> to not undo this change.
> * QEMU now uses a separate thread for VCPU execution.  This merges the biggest
> difference between the qemu-kvm tree and upstream QEMU.
> * A new memory dispatch API has been added internally.  A new monitor command
> "info mtree" can show the hierarchy of memory regions in the guest.
> * QEMU now has a build dependency on glib and makes extensive use of glib.
> * QEMU now can run on more hosts. Hosts without a native code generator can use
> the TCG interpreter (TCI). See [[Features/TCI]] for more information.
>
> == Block devices (disks) ==
> * QEMU now supports I/O latency accounting in the monitor command "info blockstats".
> * Errors are now tracked per device and are shown by the monitor command "info
> block".
> * All image formats now support asynchronous operation.  IDE and SCSI emulation
> will use this feature, while other devices (notably floppy and SD) will not.
>
> === IDE/ATAPI ===
> * A large number of bugs were fixed regarding CD media change and tray locking.
>
> === SCSI ===
> * Memory management errors could crash QEMU when scsi-disk encountered I/O
> errors.  Many instances of this problem were fixed.
> * The accuracy of error handling for SCSI emulation has been greatly improved.
> * SCSI devices can now be addressed by channel, target (id) and LUN.  Not all
> emulated HBAs will support this feature (in particular, the LSI controller will
> not).
> * Block device pass through is now supported through a new scsi-block device.
> The scsi-block device works with block devices (like /dev/sda or /dev/sr0)
> rather than /dev/sgN devices, and is more efficient because it does not consume
> arbitrary amounts of memory when the guest does large data transfers.
> * SCSI CD-ROMs now report media changed events.
> * SCSI CD-ROMs now support DVD images.
> * Bugfixes for IDE media change also apply to SCSI.
> * SCSI devices now report a unit attention condition when the system is started
> or reset.  This may cause problems with old firmware versions.
>
> === VDI ===
> * Now supports discarded blocks in dynamically-sized images.
>
> == User-mode networking (SLIRP) ==
> * SLIRP can process ARP replies and gratuitous ARP requests from the guest.
>
> == ARM ==
> * QEMU now supports the new Cortex-A15 instructions in linux-user mode (via
> "-cpu any"): VFPv4 fused multiply-accumulate (VFMA, VFMS, VFNMA, VFNMS) and also
> integer division (UDIV, SDIV).
> * The vexpress-a9, versatileab, versatilepb and realview-* boards now have audio
> support.
> * QEMU is known not to work on ARM hosts in this release. (ARM target emulation
> is fine.)
>
> === pSeries ===
> * sPAPR VIO devices can now be created with -device.
>
> == Xtensa ==
> * QEMU now supports DC232b and FSF xtensa CPU cores.
> * QEMU now supports sim (similar to Tensilica ISS) and LX60/LX110/LX200 machines.
>
> == Migration ==
> * QEMU now supports live migration using image files like QCOW2 on shared storage
>
> Regards,
>
> Anthony Liguori
>
>
>