Re: [Xen-devel] Problem Reading from XenStore in DomU

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 16/05/16 04:57, Meng Xu wrote:
> Then according to Doug, "Anything after 3.14 will give you
>>>> deadlocks if you try to use /proc/xen/xenbus.". Maybe the non-working
>>>> domU uses kernel version after 3.14.
>> It does, being the custom kernel on version 4.1.0. But Dom0 uses this same
>> exact kernel and reads/writes just fine! The only solution if this is indeed
>> the problem appears to be changing the kernel source we build on or some
>> hacky method such as symlinking /proc/.. to /dev/.., there has to be an
>> elegant real solution to this...
> Hi Dagaen,
>
> Maybe we can try to create a symlink /proc/xen/xenbus to
> /dev/xen/xenbus and see if works.

Set XENSTORED_PATH=/dev/xen/xenbus in the environment.  This should
override the default order.

~Andrew

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