linux-kernel - Re: [PATCH 0/5] iommu/vt-d: Fix crash dump failure caused by legacy DMA/IO

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Date:	Mon, 15 Dec 2014 17:16:23 +0800
From:	Baoquan He <bhe@...hat.com>
To:	"Li, ZhenHua" <zhen-hual@...com>
Cc:	alex.williamson@...hat.com,
	Takao Indoh <indou.takao@...fujitsu.com>, tom.vaden@...com,
	dyoung@...hat.com, Joerg Roedel <joro@...tes.org>,
	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	lisa.mitchell@...com, jerry.hoemann@...com,
	iommu@...ts.linux-foundation.org, ddutile@...hat.com,
	doug.hatch@...com, ishii.hironobu@...fujitsu.com,
	linux-pci@...r.kernel.org, bhelgaas@...gle.com, li.zhang6@...com,
	dwmw2@...radead.org, vgoyal@...hat.com
Subject: Re: [PATCH 0/5] iommu/vt-d: Fix crash dump failure caused by legacy
 DMA/IO

On 12/12/14 at 10:25am, Li, ZhenHua wrote:
> Sorry I have no plan yet.
> Could you send me your logs on your AMD system?

Sure, please check the attachment. AMD iommu seems a little different on
action. On the machine I reserved for testing, it always hang the system
bootup. As Joerg said, we can just know this issue, vt-d is still the
first thing.


View attachment "amd-iommu.log" of type "text/plain" (69090 bytes)