[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] why xenstore-* hangs if xenstored is not started
On 22/06/10 09:06, Keir Fraser wrote: On 22/06/2010 08:56, "Vincent Hanquez"<Vincent.Hanquez@xxxxxxxxxxxxx> 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. hm, maybe it does afterall, and I'm confuse this with a more general case; the D state would happens if xenstored doesn't want to reply or is dead. This behavior has been there as long as I can remember. I'm pretty sure though that a while ago (relatively old XenServer kernel) starting a xenstore-* without starting xenstored would make it stuck until xenstored start. -- Vincent _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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