RE: [Xen-devel] HVM SMP linux guest hangs in cpu_idle() with EFLAGS.IF = 1

["Nakajima, Jun" <jun.nakajima@xxxxxxxxx>]

Gianni Tedesco wrote on Wed, 21 Jul 2010 at 10:29:43:

> 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 (!!)
>

I'm not sure if I followed all the emails on the thread, but did you see such a 
hang without serial connection? I had impression (i.e. kind of remember) serial 
connection of Linux at boot time caused a hang especially with SMP (on native). 
 
> Gianni Tedesco
> 

Jun
___
Intel Open Source Technology Center



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel