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Re: [Xen-devel] HVM SMP linux guest hangs in cpu_idle() with EFLAGS.IF =
| To: | Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] HVM SMP linux guest hangs in cpu_idle() with EFLAGS.IF = 1 |
| From: | Gianni Tedesco <gianni.tedesco@xxxxxxxxxx> |
| Date: | Wed, 21 Jul 2010 18:29:43 +0100 |
| Delivery-date: | Wed, 21 Jul 2010 10:32:03 -0700 |
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Another data-point I have on this but haven't mentioned here yet is that the userspace (anaconda) processes are usually hanging in tty_wait_until_sent() which is apparently why things are woken up by receiving a keypress on the serial line. At other times the hang occurs while userspace (hotplug, also anaconda) is waiting in do_poll() on a kernel netlink socket. In that case a keypress on serial line also wakes it (!!) Gianni Tedesco _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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