From: "Liu, SongtaoX" <songtaox.liu@intel.com>
To: Jan Beulich <jbeulich@suse.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
"keir@xen.org" <keir@xen.org>, "tim@xen.org" <tim@xen.org>,
"Dong, Eddie" <eddie.dong@intel.com>,
"Nakajima, Jun" <jun.nakajima@intel.com>,
"Zhang, Yang Z" <yang.z.zhang@intel.com>,
"Hu, Robert" <robert.hu@intel.com>,
"Pang, LongtaoX" <longtaox.pang@intel.com>
Subject: Re: [PATCH] x86/EPT: flush cache when (potentially) limiting cachability
Date: Thu, 12 Jun 2014 01:28:00 +0000 [thread overview]
Message-ID: <582FB90AB890394081254B69739046FC0EAD474D@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <5388777D02000078000B540C@mail.emea.novell.com>
> -----Original Message-----
> From: Jan Beulich [mailto:jbeulich@suse.com]
> Sent: Friday, May 30, 2014 7:20 PM
> To: Liu, SongtaoX; xen-devel@lists.xenproject.org
> Cc: Dong, Eddie; Nakajima, Jun; Tian, Kevin; Pang, LongtaoX; Hu, Robert; Zhang,
> Yang Z; keir@xen.org; tim@xen.org
> Subject: Re: RE: [Xen-devel] [PATCH] x86/EPT: flush cache when (potentially)
> limiting cachability
>
> >>> "Liu, SongtaoX" <songtaox.liu@intel.com> 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.
>
How to get that information? It is hard for me to do it since I am not a Xen expert. But if you can provide a patch help to debug, I would happy to do it.
> >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.
>
I want to say the L2 guest boot up within less than 90s in good case, just for comparison.
Regards
Songtao
next prev parent reply other threads:[~2014-06-12 1:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-25 12:13 [PATCH] x86/EPT: flush cache when (potentially) limiting cachability Jan Beulich
2014-05-01 13:39 ` Tim Deegan
2014-05-30 2:07 ` Liu, SongtaoX
2014-05-30 6:26 ` Jan Beulich
2014-05-30 7:02 ` Jan Beulich
2014-05-30 7:34 ` Liu, SongtaoX
2014-05-30 11:20 ` Jan Beulich
2014-06-12 1:28 ` Liu, SongtaoX [this message]
2014-06-12 8:43 ` Ian Campbell
2014-06-16 13:01 ` Jan Beulich
2014-06-17 2:19 ` Liu, SongtaoX
2014-06-17 7:11 ` Jan Beulich
2014-06-17 8:33 ` Liu, SongtaoX
2014-06-17 15:34 ` Jan Beulich
2014-06-18 3:09 ` Liu, SongtaoX
2014-06-18 10:02 ` Jan Beulich
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