From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: why xenstore-* hangs if xenstored is not started Date: Tue, 22 Jun 2010 09:06:02 +0100 Message-ID: References: <4C206C97.9090901@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4C206C97.9090901@eu.citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Vincent Hanquez Cc: "xen-devel@lists.xensource.com" , Yu Zhiguo List-Id: xen-devel@lists.xenproject.org On 22/06/2010 08:56, "Vincent Hanquez" wrote: > On 22/06/10 08:45, Keir Fraser wrote: >> 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. > > the behavior was the same in 2.6.18. Ah, I just see 'if (!is_xenstored_ready()) return -ENODEV' in 2.6.18's xenbus_dev.c. I assumed that would have an effect on this case. -- Keir