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
next prev parent 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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