From: Ben Guthro <ben.guthro@gmail.com>
To: "Zhang, Xiantao" <xiantao.zhang@intel.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xen.org>
Subject: Re: S3 crash with VTD Queue Invalidation enabled
Date: Fri, 7 Jun 2013 11:52:56 -0400 [thread overview]
Message-ID: <CAOvdn6U1dnc=E1TURo4yjoHGmD9_fungFBu6GU0QDUaQ_RVVUQ@mail.gmail.com> (raw)
In-Reply-To: <B6C2EB9186482D47BD0C5A9A4834564404CF4207@SHSMSX104.ccr.corp.intel.com>
On Thu, Jun 6, 2013 at 9:33 PM, Zhang, Xiantao <xiantao.zhang@intel.com> wrote:
>> >>>>> Booting with "i915.modeset=0 single" (to prevent both KMS, and Xorg) -
>> >>>>> it does not occur.
>> >>>>> So, that pretty much narrows it down to the IGD, in my mind.
>> >>>>
>> >>>> Indeed, I agree. Yet I can't in any way comment on what or why.
>> >>>> Xiantao (perhaps some graphics person would good to be Cc-ed
>> >>>> here too)?
>> >>> Hi, Jan/Ben
>> >>> Thanks for your analysis! Could you try to enable "snb_igd_quirk" to have
>> a
>> >> try ? thanks!
>> >>> Xiantao
>> >>
>> >>
>> >> Thanks for your reply. I tried this param yesterday, but it did not
>> >> change the behavior.
>> > Okay, I recalled one bug in IGD i915 driver is found recently, and it may bring
>> some errors to VT-d, and should be fixed in latest kernel. Could you try latest
>> kernel 3.9.4 or 3.10-rcx ?
>> > Xiantao
>>
>> It may have been dropped off of the top of this thread, but i sent out
>> what i have tested with, and this was one of them.
>>
>> Testing 3.10 did not change this behavior.
>>
>> Did you have a particular changeset in mind?
> I will try to find it out, and I am wondering whether your code base includes this quirk ? See: http://www.gossamer-threads.com/lists/xen/devel/275623
> Xiantao
Yes, it does.
I've worked around the issue, for now by disabling queue invalidation
for SNB systems.
Not ideal...but better than crashing
next prev parent reply other threads:[~2013-06-07 15:52 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-03 18:29 S3 crash with VTD Queue Invalidation enabled Ben Guthro
2013-06-03 19:22 ` Andrew Cooper
2013-06-04 8:54 ` Jan Beulich
2013-06-04 12:25 ` Ben Guthro
2013-06-04 14:01 ` Jan Beulich
2013-06-04 19:20 ` Ben Guthro
2013-06-04 19:49 ` Ben Guthro
2013-06-04 21:09 ` Ben Guthro
2013-06-05 8:24 ` Jan Beulich
2013-06-05 13:54 ` Ben Guthro
2013-06-05 15:14 ` Jan Beulich
2013-06-05 15:25 ` Ben Guthro
2013-06-05 15:38 ` Jan Beulich
2013-06-05 20:27 ` Ben Guthro
2013-06-05 23:53 ` Ben Guthro
2013-06-06 6:58 ` Jan Beulich
2013-06-06 15:06 ` Zhang, Xiantao
2013-06-06 15:07 ` Ben Guthro
2013-06-06 15:13 ` Zhang, Xiantao
2013-06-06 15:17 ` Ben Guthro
2013-06-07 1:33 ` Zhang, Xiantao
2013-06-07 15:52 ` Ben Guthro [this message]
2013-06-14 8:38 ` Jan Beulich
2013-06-14 17:01 ` Ben Guthro
2013-06-14 18:27 ` Ben Guthro
2013-06-17 7:23 ` Jan Beulich
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