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From: "Shah, Nehal-bakulchandra" <Nehal-bakulchandra.Shah@amd.com>
To: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Cc: "Deucher, Alexander" <Alexander.Deucher@amd.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"holler@ahsoftware.de" <holler@ahsoftware.de>,
	"tj@kernel.org" <tj@kernel.org>,
	"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: ATA failure regression
Date: Wed, 28 Sep 2016 05:45:08 +0000	[thread overview]
Message-ID: <MWHPR12MB177486F96C515BCAEADC7D70A0CF0@MWHPR12MB1774.namprd12.prod.outlook.com> (raw)
In-Reply-To: 8520D5D51A55D047800579B094147198258E4869@XAP-PVEXMBX01.xlnx.xilinx.com

Hi 

Can someone please help me to debug this issue?

Regards
Nehal

-----Original Message-----
From: Shah, Nehal-bakulchandra 
Sent: Monday, September 26, 2016 3:45 PM
To: 'Bharat Kumar Gogada' <bharat.kumar.gogada@xilinx.com>
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; linux-pci@vger.kernel.org; holler@ahsoftware.de; tj@kernel.org; linux-ide@vger.kernel.org; linux-kernel@vger.kernel.org
Subject: RE: ATA failure regression

Hi Bharat

Thanks for the reply. I have observed following thing

If IOMMU is enabled in BIOS and I use following option FCH SATA Debug Options --> Unused SATA Port Auto Shut Down Disabled. Issue is not happening. I have attached dmesg and lspci output with this option

Also I have attached lspci log with IOMMU disabled.

When issue is happening I am not able to take lspci logs as it stops in initramfs itself. I will try to get.


Thanks

Nehal
-----Original Message-----
From: Bharat Kumar Gogada [mailto:bharat.kumar.gogada@xilinx.com]
Sent: Friday, September 23, 2016 3:40 PM
To: Shah, Nehal-bakulchandra <Nehal-bakulchandra.Shah@amd.com>; linux-kernel@vger.kernel.org; linux-pci@vger.kernel.org; holler@ahsoftware.de; tj@kernel.org; linux-ide@vger.kernel.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>
Subject: RE: ATA failure regression

> Hi All,
> 
> Resending this wider audience
> 
> Currently I am working on AMD future platform.  I am hitting the same 
> bug of ATA Failure Regression reported in past.
> (https://patchwork.kernel.org/patch/6875661/) or 
> http://lkml.iu.edu/hypermail/linux/kernel/1507.3/01961.html
> 
> I am newbie to this and because of this Ubuntu  16.04 is not booting. 
> If disable IOMMU and MSI obviously it works but that is not solution. 
> Even when I bisected it boiled to same place which was mentioned in past discussion.
> 
So here when you are disabling MSI, it is working with legacy interrupts or MSI-X.
Can you post the end sata device lscpi -xxx -vvv content. 

Bharat

WARNING: multiple messages have this Message-ID (diff)
From: "Shah, Nehal-bakulchandra" <Nehal-bakulchandra.Shah@amd.com>
To: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Cc: "Deucher, Alexander" <Alexander.Deucher@amd.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"holler@ahsoftware.de" <holler@ahsoftware.de>,
	"tj@kernel.org" <tj@kernel.org>,
	"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: ATA failure regression
Date: Wed, 28 Sep 2016 05:45:08 +0000	[thread overview]
Message-ID: <MWHPR12MB177486F96C515BCAEADC7D70A0CF0@MWHPR12MB1774.namprd12.prod.outlook.com> (raw)
In-Reply-To: 8520D5D51A55D047800579B094147198258E4869@XAP-PVEXMBX01.xlnx.xilinx.com

Hi=20

Can someone please help me to debug this issue?

Regards
Nehal

-----Original Message-----
From: Shah, Nehal-bakulchandra=20
Sent: Monday, September 26, 2016 3:45 PM
To: 'Bharat Kumar Gogada' <bharat.kumar.gogada@xilinx.com>
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; linux-pci@vger.kernel.o=
rg; holler@ahsoftware.de; tj@kernel.org; linux-ide@vger.kernel.org; linux-k=
ernel@vger.kernel.org
Subject: RE: ATA failure regression

Hi Bharat

Thanks for the reply. I have observed following thing

If IOMMU is enabled in BIOS and I use following option FCH SATA Debug Optio=
ns --> Unused SATA Port Auto Shut Down Disabled. Issue is not happening. I =
have attached dmesg and lspci output with this option

Also I have attached lspci log with IOMMU disabled.

When issue is happening I am not able to take lspci logs as it stops in ini=
tramfs itself. I will try to get.


Thanks

Nehal
-----Original Message-----
From: Bharat Kumar Gogada [mailto:bharat.kumar.gogada@xilinx.com]
Sent: Friday, September 23, 2016 3:40 PM
To: Shah, Nehal-bakulchandra <Nehal-bakulchandra.Shah@amd.com>; linux-kerne=
l@vger.kernel.org; linux-pci@vger.kernel.org; holler@ahsoftware.de; tj@kern=
el.org; linux-ide@vger.kernel.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>
Subject: RE: ATA failure regression

> Hi All,
>=20
> Resending this wider audience
>=20
> Currently I am working on AMD future platform.  I am hitting the same=20
> bug of ATA Failure Regression reported in past.
> (https://patchwork.kernel.org/patch/6875661/) or=20
> http://lkml.iu.edu/hypermail/linux/kernel/1507.3/01961.html
>=20
> I am newbie to this and because of this Ubuntu  16.04 is not booting.=20
> If disable IOMMU and MSI obviously it works but that is not solution.=20
> Even when I bisected it boiled to same place which was mentioned in past =
discussion.
>=20
So here when you are disabling MSI, it is working with legacy interrupts or=
 MSI-X.
Can you post the end sata device lscpi -xxx -vvv content.=20

Bharat

  parent reply	other threads:[~2016-09-28  5:45 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-23  9:25 ATA failure regression Shah, Nehal-bakulchandra
2016-09-23  9:25 ` Shah, Nehal-bakulchandra
2016-09-23 10:10 ` Bharat Kumar Gogada
2016-09-23 10:10   ` Bharat Kumar Gogada
2016-09-26 10:15   ` Shah, Nehal-bakulchandra
2016-09-28  5:45   ` Shah, Nehal-bakulchandra [this message]
2016-09-28  5:45     ` Shah, Nehal-bakulchandra
2016-09-29  8:22     ` tj
2016-09-29 11:25       ` Henrique de Moraes Holschuh
2016-09-29 11:33         ` tj
  -- strict thread matches above, loose matches on Subject: below --
2016-09-22  7:08 Shah, Nehal-bakulchandra

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