Re: [Xen-devel] [PATCH 2/2] reap the blktapctl thread and notify the tapdisk backend driver to release resource like memory..

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 10/05/2010 12:30, "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> wrote:

> Jan Beulich writes ("Re: [Xen-devel] [PATCH 2/2] reap the blktapctl thread
> and  notify the tapdisk backend driver to release resource like  memory.."):
>> The bug was with the blktap kernel driver not being able to clean up
>> after an unclean exit of qemu. [....]
> 
> This is a serious kernel bug which absolutely must be fixed.  There is
> no way the userland toolstack can promise that qemu won't just die.

Well it depends who/what sets up the tap context. Is it actually qemu, or is
the initial setup done by xend and then qemu merely plumbed into it?

 -- Keir




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