Re: [Xen-devel] [PATCH 0 of 4] libxl: improve error handling when device model fails to start early on

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("[Xen-devel] [PATCH 0 of 4] libxl: improve error handling 
when device model fails to start early on"):
> Currently when the device model fails to start there is a delay until
> we timeout and report error, some users have misinterpretted this
> delay as a hang.

This is disappointing.  I fixed exactly this problem about 6 months
ago.

> Secondly we can propagate child failures to the parent much quicker by
> adding a pipe between the intermediate process (which blocks in
> waitpid() on the child until libxl__spawn_detach is called or the
> child exits) to allow failure to be reported immediately and with a
> slightly more specific error message.

And this is what I thought I'd done.

Ian.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel