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xen-devel
Re: [Xen-devel] A few outstanding xenstore/hotplug issues...
Matt Ayres wrote:
Greetings!
I am still noticing a few issues related to xenstore and hotplug.
1) xenstored will periodically die. I do have xenstore tracing
enabled, but not much is shown. A transaction is running one second
and then nothing (no "FATAL ERROR" or anything). This does not happen
very frequently, but does happen now and then. As is known, once
xenstored dies the only way to get it running again is with a reboot.
A bad effect lies in the fact that domains can't be shutdown properly
without xenstored running!
Define "die". Does it seg fault? Can you try to repro with ulimit -c
unlimited and check / to see if there's a core?
If it doesn't drop a core, that is also useful to know as that would
suggest an exit() of some sort (although no message is rather odd!).
2) I get the old "Cannot connect VBD" on boot-up while running
xendomains start, I'd assume due to xenstore getting bogged down. It's
completely random as to which domains it will do it to. I've worked
around this by having xendomains run from init.d and then also re-run
it from rc.local to start all the domains that didn't start the first
time. Even doing this causes some domains to not start properly
sometimes (it seems based on how many failed to start the first time).
What changeset are you using and do you have any custom patches going?
Have you ever seen this without xendomains?
I remember reading that xenstore is getting an overhaul in the near
future and want to know if these are "known issues" and if I should
bother submitting bug reports or if I should just sit tight and watch
the lists.
I'm not aware of any overhaul although that doesn't mean it isn't
happening. I'd appreciate knowing if anyone was planning on doing this
myself.
Regards,
Anthony Liguori
Thank you,
Matt Ayres
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