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From: Yu Zhiguo <yuzg@cn.fujitsu.com>
To: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: why xenstore-* hangs if xenstored is not started
Date: Tue, 22 Jun 2010 16:46:54 +0800	[thread overview]
Message-ID: <4C20787E.1080206@cn.fujitsu.com> (raw)
In-Reply-To: <4C2073FD.5050800@eu.citrix.com>

Hi Vincent,

Vincent Hanquez wrote:
>>
>> Thanks~~
>> I confirmed the task is at D+ and there are no this "problem" if use
>> option -s.
>> But I think S+ is better than D+...
> 
> I don't think it's very easy to have interruptible sleep here, it would
> change radically the protocol. the kernel xenstored page need to be
> handled "atomically" since requests and their replied cannot be
> intertwined. Maybe a timeout would be the one requiring the less change ?
> 

 I'm not familiar with those code and not sure how can fix it,
but I think a timeout is better than doing nothing.


-- 
Regards
Yu Zhiguo

  reply	other threads:[~2010-06-22  8:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-22  7:32 why xenstore-* hangs if xenstored is not started Yu Zhiguo
2010-06-22  7:44 ` Vincent Hanquez
2010-06-22  7:58   ` Yu Zhiguo
2010-06-22  8:27     ` Vincent Hanquez
2010-06-22  8:46       ` Yu Zhiguo [this message]
2010-06-22  7:45 ` Keir Fraser
2010-06-22  7:56   ` Vincent Hanquez
2010-06-22  8:06     ` Keir Fraser
2010-06-22  8:26       ` Vincent Hanquez
2010-06-22  8:12   ` Yu Zhiguo

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