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Re: [Xen-devel] why xenstore-* hangs if xenstored is not started

from [Yu Zhiguo] [Permanent Link][Original]
To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] why xenstore-* hangs if xenstored is not started
From: Yu Zhiguo <yuzg@xxxxxxxxxxxxxx>
Date: Tue, 22 Jun 2010 16:12:01 +0800
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Hi Keir,

Keir Fraser wrote:
>>
>>  BLOCK is no problem but why process cannot accept signal, Any opinion?
> 
> Does the xenstore driver in the dom0 kernel put the process into
> uninterruptible sleep? The 2.6.18 kernel simply returns -ENODEV in this case
> I think. So perhaps pv_ops has different and inferior behaviour. At least
> using interruptible sleep would be preferable.
> 

Yes, the process is uninterruptible.
I agree with you, interruptible sleep is user-friendliness.

Yu


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