ACK: [SRU][Xenial][Yakkety][PATCH 0/1] Drivers: hv: vmbus: Raise retry/wait limits in vmbus_post_msg()

Seth Forshee seth.forshee at canonical.com
Wed Apr 12 00:05:12 UTC 2017


On Tue, Apr 11, 2017 at 07:42:39PM -0400, Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1681893
> 
> == SRU Justification ==
> Asure and Hyper-V users have been hitting provisioning errors. 
> The cause was narrowed down to vmbus_post_msg timeouts. 
> This commit should alleviate this issue.  
> 
> This a very hot issue for guests on WS2016 hosts in Azure.
> 
> This commit was included in mainline in 4.11-rc1, and was cc'd to upstream stable.  
> This commit is already in Zesty from bug 1676635.  This commit is a clean pick
> and dones not require and prereqs in Yakkety or Xenial.
> 
> == Fix ==
> commit c0bb03924f1a80e7f65900e36c8e6b3dc167c5f8
> Author: Vitaly Kuznetsov <vkuznets at redhat.com>
> Date:   Wed Dec 7 01:16:24 2016 -0800
> 
>     Drivers: hv: vmbus: Raise retry/wait limits in vmbus_post_msg()
> 
> == Test Case ==
> A test kernel was built with this patch and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> Vitaly Kuznetsov (1):
>   Drivers: hv: vmbus: Raise retry/wait limits in vmbus_post_msg()
> 
>  drivers/hv/channel.c      | 17 +++++++++--------
>  drivers/hv/channel_mgmt.c | 10 ++++++----
>  drivers/hv/connection.c   | 17 ++++++++++++-----
>  drivers/hv/hyperv_vmbus.h |  2 +-
>  4 files changed, 28 insertions(+), 18 deletions(-)

Clean cherry pick, limited scope.

Acked-by: Seth Forshee <seth.forshee at canonical.com>




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