Re: [Xen-devel] [PATCH] libxc: free thread specific hypercall buffer on xc_interface_close

[Christoph Egger <Christoph.Egger@xxxxxxx>]

On Wednesday 18 August 2010 18:26:28 Ian Campbell wrote:
> On Wed, 2010-08-18 at 17:04 +0100, Christoph Egger wrote:
> > This patch prevents me from starting a guest until
> > the outstanding issue - namely why is hcall_buf_prep() never called -
> > is solved.
>
> You wouldn't expect hcall_buf_prep to be called if you opened the xc
> interface and then closed it without doing a hypercall which required
> any locked down memory.
>
> This updated version of the patch was intended to handle exactly this
> case

Yes, it works. The issue was in the debug code itself. After
removing the trace code I am able to start guests again.

Thanks for your help.

> since it appears that under NetBSD it can cause issues. 

I am wondering why this issue didn't appear on Linux.
Does Linux have some kind of auto-initialization?

Christoph

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