Re: [Xen-devel] [PATCH] x86/EPT: flush cache when (potentially) limiting cachability

["Jan Beulich" <jbeulich@xxxxxxxx>]

>>> "Liu, SongtaoX" <songtaox.liu@xxxxxxxxx> 05/30/14 9:35 AM >>>
>Sorry to update.
>The bug refers to http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1887.
>L2 guest vnc console hangs at black screen with cursor flashing at the top 
>left corner.
>After several minutes, the Seabios screen shows up, but the screen still flush 
>slowly, the guest could not boot up.

That would then indeed be an indication of excessive flushes. I.e. you may want 
to
simply track down which one (and why) gets triggered too often.

>For the good point(L0 git:06bbcaf48d09c18a41c482866941ddd5d2846b44), the L2 
>rhel_x64 could boot up less in than 90s.

Not sure what you're meaning to tell us here.

Jan


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