[vpn-help] New 2.2.0 Alpha Build Available ( PLEASE TEST !!! )

[Noach Sumner]

I upgraded a computer (Windows 7 x64) to from 2.1.7 to 2.2.0 and I
immediate noticed that it now gave me DNS as an IPv6 address which is not
what my DHCP should be handing out and I didn't have this with 2.1.7. I also
noticed that after I disconnected I wasn't able to reconnect until I
rebooted the computer but I didn't have a chance to see if this was once off
or repeatable.

On Sun, Dec 12, 2010 at 11:56 PM, Matthew Grooms <mgrooms at shrew.net> wrote:

> All,
>
> So its been quite some time since we have released a new build from the
> head branch which will become the 2.2.0 release version. I'm pleased to be
> moving beyond the 2.1.7 series as there are many enhancements and changes in
> the head branch that have yet to make it into a stable VPN client release. I
> really need everyone's help to test this release as it contains a few
> critical bug fixes in the kernel drivers which will take some time to pass
> through WinQual certification. This was a major bottleneck for the 2.1.7
> release so we hope to get this completed much quicker this time around. All
> the kernel driver related items on the 2.2.0 todo list have been completed.
> Unless regressions are reported ( and I don't expect any ), we should be
> able to qualify this version of the driver.
>
> What's new in this release? I'll start with the major bug fixes ...
>
> 1) A myriad of tools were used to test user binaries to shake out any
> memory leaks that were present. Embarrassingly, there were at least a dozen
> problems found and corrected, none of them kernel driver related. If you
> noticed a memory leak related to the VPN client on any platform, please test
> this build.
>
> 2) The WLAN related problem that could be avoided by disabling the
> Microsoft Virtual WiFi Miniport Adapter problem has now been worked around
> at the driver level. As long as you are connected to an AP, the VPN client
> should operate normally. Using adhoc networks are currently unsupported. If
> you currently have the Virtual WiFi adapter disabled, please re-enable it
> and test this build.
>
> 3) The problem related to slow TCP performance when direct adapter mode was
> in use has been corrected. This was due to the miniport TCP Large Segment
> Offload feature not being emulated in the LWF driver send path. If you
> currently have LSO disabled on your adapter, please re-enable it and test
> this build.
>
> 4) The daemons no longer wake up every 500ms to check for an exit status.
> It's quite possible that this caused unnecessary CPU activity while in a low
> power state. This may cause a laptop battery to drain faster even with the
> VPN client disconnected. To accomplish this on Windows platforms, we now use
> asynchronous communication functions in all driver interface library calls.
> This has also increased throughput on low latency connections by a factor of
> 3. Less objective tests show that this change also has a positive impact on
> high latency connections such as mobile broadband adapters. If you have a
> native Windows 7 mobile broadband connection, please test this build.
>
> A huge number of other minor bug fixes are included in this release when
> compared to the last 2.2.0 alpha. In many ways, this release is likely more
> polished than even the 2.1.7 release. The reason its still marked as alpha
> is that we still have more feature work and the driver certification to
> complete before calling it a beta. If you have time, please help test this
> build! We really need as many eyeballs on it as possible to help us located
> driver bugs or regressions before we spend the time and funds to re-certify
> the drivers.
>
> Thanks to everyone in advance,
>
> -Matthew
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