(2012/09/15 0:48), Vivek Goyal wrote:
> On Wed, Sep 12, 2012 at 06:00:55PM +0900, Takao Indoh wrote:
>> (2012/09/11 23:43), Vivek Goyal wrote:
>>> On Tue, Sep 11, 2012 at 07:32:35PM +0900, Takao Indoh wrote:
>>>
>>> [..]
I'll post new patch which clears bus master bit and resets devices in
>>>
(2012/09/22 2:57), Don Dutile wrote:
On 09/14/2012 04:03 PM, Konrad Rzeszutek Wilk wrote:
As to the boot parameter to enable this function, you suggested using
reset_devices. I found that on a certain platform resetting devices
caused PCIe error due to a hardware bug. Therefore I think we need
n
On 09/14/2012 04:03 PM, Konrad Rzeszutek Wilk wrote:
As to the boot parameter to enable this function, you suggested using
reset_devices. I found that on a certain platform resetting devices
caused PCIe error due to a hardware bug. Therefore I think we need
new parameter apart from reset_devices
(2012/09/15 5:03), Konrad Rzeszutek Wilk wrote:
As to the boot parameter to enable this function, you suggested using
reset_devices. I found that on a certain platform resetting devices
caused PCIe error due to a hardware bug. Therefore I think we need
new parameter apart from reset_devices to di
> As to the boot parameter to enable this function, you suggested using
> reset_devices. I found that on a certain platform resetting devices
> caused PCIe error due to a hardware bug. Therefore I think we need
> new parameter apart from reset_devices to disable this function on
> such a machine.
On Wed, Sep 12, 2012 at 06:00:55PM +0900, Takao Indoh wrote:
> (2012/09/11 23:43), Vivek Goyal wrote:
> >On Tue, Sep 11, 2012 at 07:32:35PM +0900, Takao Indoh wrote:
> >
> >[..]
> >>I'll post new patch which clears bus master bit and resets devices in
> >>second kernel.
> >>
> >>As to the boot para
(2012/09/11 23:43), Vivek Goyal wrote:
On Tue, Sep 11, 2012 at 07:32:35PM +0900, Takao Indoh wrote:
[..]
I'll post new patch which clears bus master bit and resets devices in
second kernel.
As to the boot parameter to enable this function, you suggested using
reset_devices. I found that on a c
On Tue, Sep 11, 2012 at 07:32:35PM +0900, Takao Indoh wrote:
[..]
> I'll post new patch which clears bus master bit and resets devices in
> second kernel.
>
> As to the boot parameter to enable this function, you suggested using
> reset_devices. I found that on a certain platform resetting device
elg...@google.com; hb...@us.ibm.com; Ishii, Hironobu/石井 宏延;
> martin.wi...@ts.fujitsu.com
> Subject: Re: [RFC][PATCH] Reset PCIe devices to address DMA problem on kdump
> with iommu
>
> (2012/09/10 11:34), Kaneshige, Kenji wrote:
> >> -Original Message-
> >> Fr
(2012/09/10 23:36), Vivek Goyal wrote:
On Wed, Sep 05, 2012 at 08:09:58PM +0900, Takao Indoh wrote:
(2012/08/07 5:39), Vivek Goyal wrote:
On Mon, Aug 06, 2012 at 01:30:47PM +0900, Takao Indoh wrote:
Hi Vivek,
(2012/08/03 20:46), Vivek Goyal wrote:
On Fri, Aug 03, 2012 at 08:24:31PM +0900, Ta
On Wed, Sep 05, 2012 at 08:09:58PM +0900, Takao Indoh wrote:
> (2012/08/07 5:39), Vivek Goyal wrote:
> >On Mon, Aug 06, 2012 at 01:30:47PM +0900, Takao Indoh wrote:
> >>Hi Vivek,
> >>
> >>(2012/08/03 20:46), Vivek Goyal wrote:
> >>>On Fri, Aug 03, 2012 at 08:24:31PM +0900, Takao Indoh wrote:
>
Cc: ke...@lists.infradead.org; linux-kernel@vger.kernel.org;
>> linux-...@vger.kernel.org; bhelg...@google.com; hb...@us.ibm.com; Ishii,
>> Hironobu/石井 宏延; martin.wi...@ts.fujitsu.com
>> Subject: Re: [RFC][PATCH] Reset PCIe devices to address DMA problem on kdump
>> with iommu
x-...@vger.kernel.org; bhelg...@google.com; hb...@us.ibm.com; Ishii,
> Hironobu/石井 宏延; martin.wi...@ts.fujitsu.com
> Subject: Re: [RFC][PATCH] Reset PCIe devices to address DMA problem on kdump
> with iommu
>
> (2012/08/07 5:39), Vivek Goyal wrote:
> > On Mon, Aug 06, 2012 at 01
(2012/08/07 5:39), Vivek Goyal wrote:
On Mon, Aug 06, 2012 at 01:30:47PM +0900, Takao Indoh wrote:
Hi Vivek,
(2012/08/03 20:46), Vivek Goyal wrote:
On Fri, Aug 03, 2012 at 08:24:31PM +0900, Takao Indoh wrote:
Hi all,
This patch adds kernel parameter "reset_pcie_devices" which resets PCIe
dev
(2012/08/07 5:39), Vivek Goyal wrote:
> On Mon, Aug 06, 2012 at 01:30:47PM +0900, Takao Indoh wrote:
>> Hi Vivek,
>>
>> (2012/08/03 20:46), Vivek Goyal wrote:
>>> On Fri, Aug 03, 2012 at 08:24:31PM +0900, Takao Indoh wrote:
Hi all,
This patch adds kernel parameter "reset_pcie_devices
On Mon, Aug 06, 2012 at 01:30:47PM +0900, Takao Indoh wrote:
> Hi Vivek,
>
> (2012/08/03 20:46), Vivek Goyal wrote:
> > On Fri, Aug 03, 2012 at 08:24:31PM +0900, Takao Indoh wrote:
> >> Hi all,
> >>
> >> This patch adds kernel parameter "reset_pcie_devices" which resets PCIe
> >> devices at boot t
Hi Don,
(2012/08/06 13:09), Don Dutile wrote:
> On 08/03/2012 07:24 AM, Takao Indoh wrote:
>> Hi all,
>>
>> This patch adds kernel parameter "reset_pcie_devices" which resets PCIe
>> devices at boot time to address DMA problem on kdump with iommu. When
>> this parameter is specified, a hot reset i
Hi Vivek,
(2012/08/03 20:46), Vivek Goyal wrote:
> On Fri, Aug 03, 2012 at 08:24:31PM +0900, Takao Indoh wrote:
>> Hi all,
>>
>> This patch adds kernel parameter "reset_pcie_devices" which resets PCIe
>> devices at boot time to address DMA problem on kdump with iommu. When
>> this parameter is spe
On 08/03/2012 07:24 AM, Takao Indoh wrote:
> Hi all,
>
> This patch adds kernel parameter "reset_pcie_devices" which resets PCIe
> devices at boot time to address DMA problem on kdump with iommu. When
> this parameter is specified, a hot reset is triggered on each PCIe root
> port and downstream p
On Fri, Aug 03, 2012 at 08:24:31PM +0900, Takao Indoh wrote:
> Hi all,
>
> This patch adds kernel parameter "reset_pcie_devices" which resets PCIe
> devices at boot time to address DMA problem on kdump with iommu. When
> this parameter is specified, a hot reset is triggered on each PCIe root
> por
Hi all,
This patch adds kernel parameter "reset_pcie_devices" which resets PCIe
devices at boot time to address DMA problem on kdump with iommu. When
this parameter is specified, a hot reset is triggered on each PCIe root
port and downstream port to reset its downstream endpoint.
Background:
A kd
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