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From: "Xu, Quan" <quan.xu@intel.com>
To: "dgdegra@tycho.nsa.gov" <dgdegra@tycho.nsa.gov>
Cc: Andrea Genuise <and.genuise@gmail.com>,
	Wei Liu <wei.liu2@citrix.com>, "Xu, Quan" <quan.xu@intel.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: FW:  vTPM detaching issue
Date: Wed, 29 Jun 2016 07:51:46 +0000	[thread overview]
Message-ID: <945CA011AD5F084CBEA3E851C0AB28894B8F7991@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <20160615114854.GB28116@citrix.com>

On June 15, 2016 7:49 PM, < wei.liu2@citrix.com > wrote:
> On Tue, Jun 14, 2016 at 12:32:19PM +0200, Andrea Genuise wrote:
> [...]
> > libxl: debug: libxl_aoutils.c:88:xswait_timeout_callback: backend
> > /local/domain/748/backend/vtpm/749/0/state (hoping for state change to
> 6):
> > xswait timeout (path=/local/domain/748/backend/vtpm/749/0/state)
> > libxl: debug: libxl_event.c:677:libxl__ev_xswatch_deregister: watch
> > w=0x1c4c1f0 wpath=/local/domain/748/backend/vtpm/749/0/state
> token=3/0:
> > deregister slotnum=3
> > libxl: debug: libxl_event.c:867:devstate_callback: backend
> > /local/domain/748/backend/vtpm/749/0/state wanted state 6  timed out
> 
> This. The toolstack is waiting for the state to change to 6. But that never
> happened.
> 
> > libxl: debug: libxl_event.c:691:libxl__ev_xswatch_deregister: watch
> > w=0x1c4c1f0: deregister unregistered
> > libxl: debug: libxl_device.c:937:device_backend_callback: calling
> > device_backend_cleanup
> > libxl: debug: libxl_event.c:691:libxl__ev_xswatch_deregister: watch
> > w=0x1c4c1f0: deregister unregistered
> > libxl: debug: libxl_device.c:943:device_backend_callback: Timeout
> > reached, initiating forced remove
> 
> I think this is due to interaction between frontend and backend, but I'm not an
> expert on vtpm so I don't have further comment.
> 

Daniel,  are you following this issue?  --Quan

	

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  reply	other threads:[~2016-06-29  7:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-13 15:10 Andrea Genuise
2016-06-14  8:29 ` Xu, Quan
2016-06-14  9:15 ` Wei Liu
2016-06-14 10:32   ` Andrea Genuise
2016-06-15 11:48     ` Wei Liu
2016-06-29  7:51       ` Xu, Quan [this message]
2016-06-29 15:28         ` FW: " Daniel De Graaf

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