The few patches on the kernel between the builds are:

commit 654c81a4dda88052f34e319dc4fbea684f3b406c
Author: mathieu.poirier@linaro.org <mathieu.poirier@linaro.org>
Date:   Mon Jun 18 17:32:00 2012 +0200

    android: Enable Android alarm driver
    
    Please apply to:
     stable-android-ux500-3.3-1
     stable-android-ux500-3.4
     integration-android-ux500
    
    From d9136de15feb9ad6d938012a697f7c04c48fea96 Mon Sep 17 00:00:00 2001
    From: "Mathieu J. Poirier" <mathieu.poirier@linaro.org>
    Date: Mon, 18 Jun 2012 08:16:47 -0600
    Subject: [PATCH] android: Enable Android alarm driver
    
    Setting INTF_ALARM_DEV allows time related services to
    work properly.
    
    LP: https://bugs.launchpad.net/linaro-android/+bug/987236
    
    Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

commit c60ce3246136a2692fac20cf11d5e65213c01294
Author: mjain001 <mridul.jain@stericsson.com>
Date:   Mon Jun 18 09:54:00 2012 +0200

    cg2900: Fix for softirq warning during booting
    
    spin_lock_bh called in interrupt mode, which is incorrect.
    Changed from spin_lock_bh/spin_inlock_bh to
    spin_lock_irqsave/spin_lock_irqrestore.
    
    Signed-off-by: mjain001 <mridul.jain@stericsson.com>

commit 93c5be3db18f398bca97f9f56e6a1d9fd5d541f4
Author: ramesh.chandrasekaran <ramesh.chandrasekaran@stericsson.com>
Date:   Thu Jun 14 10:38:00 2012 +0200

    audio: Fix for choppy playback in Ubuntu pulse audio
    
    Signed-off-by: ramesh.chandrasekaran <ramesh.chandrasekaran@stericsson.com>

The problem is probably caused by the patch in device/linaro/snowball.

 /Patrik

On 19 June 2012 16:59, Mathieu Poirier <mathieu.poirier@linaro.org> wrote:
I'll deal with the kernel side if it is proven to be the root cause of
the problem.

On 12-06-19 08:51 AM, Zach Pfeffer wrote:
> On 19 June 2012 09:40, Patrik Ryd <patrik.ryd@linaro.org> wrote:
>> Hi,
>>
>> As Mathieu already mentioned my patches for MM are on a separate branch.
>>
>> I had a quick look at the problems, but since they are already on igloo and
>> not related to my patches I think the best I can do is to talk to the
>> snowball team.
>>
>> For the last one https://bugs.launchpad.net/igloocommunity/+bug/1015085 I
>> noted that there were results from LAVA, so ADB is working, but not ADB over
>> USB. Only device/linaro/snowball and the kernel have been touched between
>> build 227 and 330.
>>
>> The change in device/linaro/snowball was
>>
>> commit 7695bae7824aa569994d67115565e34938adef32
>> Author: Supriya Karanth <supriya.karanth@stericsson.com>
>> Date:   Mon Jun 18 15:26:22 2012 +0200
>>
>>     Snowball: Enable USB composite device
>>
>>     Support for USB classes - RNDIS, Mass storage and ACM
>>
>>     Change-Id: I4f5b21e0499c4ed1f5f881f4a6a44d8242578925
>>     Signed-off-by: Supriya Karanth <supriya.karanth@stericsson.com>
>>
>> I guess we could test and revert it.
>
> Okay. Would you get a android-build chewing on a pinned-manifest
> without this commit in it and see where we are? If it fixes the
> problem who can talk to igloo to revert the patch?
>
>> The first two bugs are still unassigned in igloocommunity.org.
>>
>> Unfortunately the weekly snowball project call was cancelled today.
>>
>> I will contact Jayeeta and try to raise the priority of these bugs.
>>
>>  /Patrik
>>
>>
>> On 19 June 2012 15:39, Zach Pfeffer <zach.pfeffer@linaro.org> wrote:
>>>
>>> On 19 June 2012 08:37, Mathieu Poirier <mathieu.poirier@linaro.org> wrote:
>>>> I haven't looked into the build issue on snowball yet but this time
>>>> around whatever it is shouldn't be related to MM.  All patches
>>>> pertaining to MM have been checked-in on a separate branch that is not
>>>> listed in the manifest.
>>>
>>> Okay, that's a good point.
>>>
>>>> Mathieu.
>>>>
>>>> On 12-06-19 07:32 AM, Zach Pfeffer wrote:
>>>>> Patrik,
>>>>>
>>>>> Would you respond with all the changes you've made and get a build
>>>>> spun up with the pinned-manifest from the failing build, but with the
>>>>> gits of the commits you changes set back to known good commit ids?
>>>>>
>>>>>
>>>>> On 19 June 2012 08:12, Vishal Bhoj <vishal.bhoj@linaro.org> wrote:
>>>>>>
>>>>>>
>>>>>> On 19 June 2012 18:40, Vishal Bhoj <vishal.bhoj@linaro.org> wrote:
>>>>>>>
>>>>>>> Hi Patrik,
>>>>>>>
>>>>>>> Snowball build has become very unstable. I was doubting about me
>>>>>>> flashing
>>>>>>> bootloaders wrongly . But even Abhishek has reported the issue:
>>>>>>> https://bugs.launchpad.net/igloocommunity/+bug/1014650
>>>>>>>
>>>>>>> Benchmarking apps are failing due to audio issues :
>>>>>>> https://bugs.launchpad.net/linaro-android/+bug/1012639
>>>>>>>
>>>>>>> The bug makes the snowball unusable.The system hangs totally without
>>>>>>> any
>>>>>>> kernel panic when I run any of the profiling apps from:
>>>>>>>
>>>>>>> http://android.git.linaro.org/gitweb?p=linaro/benchmarks.git;a=summary
>>>>>>>
>>>>>>> And on today's build (330) adb over USB seems to be broken which was
>>>>>>> working on build 327:
>>>>>>> https://bugs.launchpad.net/igloocommunity/+bug/1015085
>>>>>>>
>>>>>>>
>>>>>>> Arm wants us to base our profiling work to be done on snowball and
>>>>>>> with
>>>>>>> all these issues its currently looking difficult to do profiling on
>>>>>>> snowball.
>>>>>>>
>>>>>>>
>>>>>>> Regards,
>>>>>>> Vishal
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> linaro-android mailing list
>>>>>> linaro-android@lists.linaro.org
>>>>>> http://lists.linaro.org/mailman/listinfo/linaro-android
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Zach Pfeffer
>>> Android Platform Team Lead, Linaro Platform Teams
>>> Linaro.org | Open source software for ARM SoCs
>>> Follow Linaro: http://www.facebook.com/pages/Linaro
>>> http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog
>>
>>
>
>
>