From: Fengzhe Zhang <fengzhe.zhang@intel.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel <xen-devel@lists.xensource.com>,
"Dong, Eddie" <eddie.dong@intel.com>,
"Li, Xin" <xin.li@intel.com>,
"Jiang, Yunhong" <yunhong.jiang@intel.com>
Subject: Re: [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space
Date: Sun, 20 Feb 2011 21:58:04 +0800 [thread overview]
Message-ID: <4D611DEC.4000002@intel.com> (raw)
In-Reply-To: <20110218151649.GA1539@dumpdata.com>
On 2011/2/18 23:16, Konrad Rzeszutek Wilk wrote:
> On Thu, Feb 17, 2011 at 01:32:15PM +0800, Fengzhe Zhang wrote:
>> On 2011/2/16 23:47, Konrad Rzeszutek Wilk wrote:
>>> On Wed, Feb 16, 2011 at 10:20:21AM -0500, Konrad Rzeszutek Wilk wrote:
>>>> On Wed, Feb 16, 2011 at 10:06:38AM -0500, Konrad Rzeszutek Wilk wrote:
>>>>> On Wed, Feb 16, 2011 at 10:26:20PM +0800, Zhang, Fengzhe wrote:
>>>>>> iomem: Prevent Dom0 pci bus from allocating RAM as I/O space
>>>>>
>>>>> Is there a bug # associated with this? Is this associated with the intel-agp
>>>>> driver trying to ioremap the scratch page and bombing out?
>>>
>>> Also did you try to revert 0b56d9994ebe34df77fa156d2068ad93b7877b44 and see
>>> how that works? Here is the revert attached
>>>
>>
>> I tried this patch and it can indeed avoid system crash.
>>
>
> What happens if you use the revert _and_ don't use dom0_mem? Does
> the machine not crash on the igb?
>
If dom0_mem is not used, no visible system error is observed even
without the revert.
-Fengzhe
next prev parent reply other threads:[~2011-02-20 13:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-16 14:26 [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space Zhang, Fengzhe
2011-02-16 15:06 ` Konrad Rzeszutek Wilk
2011-02-16 15:20 ` Konrad Rzeszutek Wilk
2011-02-16 15:47 ` Konrad Rzeszutek Wilk
2011-02-17 5:32 ` Fengzhe Zhang
2011-02-17 14:23 ` [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space in 2.6.32.27 tree Konrad Rzeszutek Wilk
2011-02-17 15:07 ` Li, Xin
2011-02-17 15:35 ` Konrad Rzeszutek Wilk
2011-02-18 15:16 ` [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space Konrad Rzeszutek Wilk
2011-02-20 13:58 ` Fengzhe Zhang [this message]
2011-02-17 4:11 ` Fengzhe Zhang
2011-02-18 22:05 ` Konrad Rzeszutek Wilk
2011-02-20 14:14 ` Fengzhe Zhang
2011-02-21 10:35 ` Li, Xin
2011-02-21 19:20 ` Konrad Rzeszutek Wilk
2011-02-22 4:55 ` Li, Xin
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