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From: Yu Zhiguo <yuzg@cn.fujitsu.com>
To: Keir Fraser <keir.fraser@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 16:12:01 +0800	[thread overview]
Message-ID: <4C207051.1040802@cn.fujitsu.com> (raw)
In-Reply-To: <C8462890.18288%keir.fraser@eu.citrix.com>

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

      parent reply	other threads:[~2010-06-22  8:12 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
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 [this message]

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