NFS deadlock on 9.2-Beta1

[J David]

On Sat, Aug 24, 2013 at 4:55 PM, Konstantin Belousov
<kostikbel at gmail.com> wrote:
> On Sat, Aug 24, 2013 at 04:11:09PM -0400, J David wrote:
>> On Sat, Aug 24, 2013 at 3:38 PM, Konstantin Belousov
>> <kostikbel at gmail.com> wrote:
>> > No, at least not without reverting the r254754 first.  The IGN_SBUSY patch
>> > is not critical there.
>>
>> There is lots of other stuff in r250907 / reverted by r254754.  Some
>> of it looks important for sendfile() performance.  If testing this
>> extensively in the next few days could help get that work back into
>> 9.2 we are happy to do it, but if it's too late then we can leave it
>> for those on stable/9.
>
> The revert in the r254754 is only a workaround for your workload, it does
> not fix the real issue, which can be reproduced by other means.
>
> I am not sure would re allow to merge the proper fix, since we are already
> somewhere in RC3.

Well, let's ask them. :)

Thanks!