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From: Joerg Roedel <joro@8bytes.org>
To: "Li, ZhenHua" <zhen-hual@hp.com>
Cc: Takao Indoh <indou.takao@jp.fujitsu.com>,
	bhe@redhat.com, dwmw2@infradead.org, vgoyal@redhat.com,
	dyoung@redhat.com, iommu@lists.linux-foundation.org,
	kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org, alex.williamson@redhat.com,
	ddutile@redhat.com, ishii.hironobu@jp.fujitsu.com,
	bhelgaas@google.com, doug.hatch@hp.com, jerry.hoemann@hp.com,
	tom.vaden@hp.com, li.zhang6@hp.com, lisa.mitchell@hp.com
Subject: Re: [PATCH 0/5] iommu/vt-d: Fix crash dump failure caused by legacy DMA/IO
Date: Mon, 1 Dec 2014 13:33:27 +0100	[thread overview]
Message-ID: <20141201123327.GJ3762@8bytes.org> (raw)
In-Reply-To: <547C0B4A.4060303@hp.com>

On Mon, Dec 01, 2014 at 02:31:38PM +0800, Li, ZhenHua wrote:
> After I implement these two steps, there comes a new fault:
> 
> [1.594890] dmar: DRHD: handling fault status reg 2
> [1.594894] dmar: INTR-REMAP: Request device [[41:00.0] fault index 4d
> [1.594894] INTR-REMAP:[fault reason 34] Present field in the IRTE entry
> is clear
> 
> It is caused by similar reason, so I will fix it like fixing the DMAR
> faults: Do NOT disable and re-enable the interrupt remapping, try to
> use data from old kernel.

Yes, that sounds right, thanks. Looking forward to your patches.


	Joerg

  reply	other threads:[~2014-12-01 12:33 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-21  8:04 [PATCH 0/5] iommu/vt-d: Fix crash dump failure caused by legacy DMA/IO Li, Zhen-Hua
     [not found] ` <1413878659-1383-1-git-send-email-zhen-hual-VXdhtT5mjnY@public.gmane.org>
2014-10-21  8:04   ` [PATCH 1/5] iommu/vt-d: Update iommu_attach_domain() and its callers Li, Zhen-Hua
2014-10-21  8:04   ` [PATCH 2/5] iommu/vt-d: Items required for kdump Li, Zhen-Hua
2014-10-21  8:04   ` [PATCH 3/5] iommu/vt-d: data types and functions used " Li, Zhen-Hua
2014-10-21  8:04   ` [PATCH 4/5] iommu/vt-d: Add domain-id functions Li, Zhen-Hua
2014-10-21  8:04   ` [PATCH 5/5] iommu/vt-d: enable kdump support in iommu module Li, Zhen-Hua
2014-10-22 10:05   ` [PATCH 0/5] iommu/vt-d: Fix crash dump failure caused by legacy DMA/IO Baoquan He
     [not found]     ` <20141022100525.GD9060-je1gSBvt1Tcx0jIIkfS+Ph/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2014-10-22 10:22       ` Li, Zhen-Hua
     [not found]         ` <57A76219-50C6-4594-91BE-87A6A18FFF43-VXdhtT5mjnY@public.gmane.org>
2014-10-22 10:27           ` Baoquan He
2014-11-06  1:31       ` Takao Indoh
     [not found]         ` <545ACF66.9050509-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2014-11-06  1:35           ` Li, ZhenHua
     [not found]             ` <545AD061.4000102-VXdhtT5mjnY@public.gmane.org>
2014-11-06  1:48               ` Takao Indoh
     [not found]                 ` <545AD353.8060207-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2014-11-06  2:11                   ` Li, ZhenHua
     [not found]                     ` <545AD8D3.90709-VXdhtT5mjnY@public.gmane.org>
2014-11-06  7:51                       ` Takao Indoh
     [not found]                         ` <545B2885.8070009-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2014-11-06  8:06                           ` Li, ZhenHua
     [not found]                             ` <545B2C07.1070701-VXdhtT5mjnY@public.gmane.org>
2014-11-14  6:27                               ` Li, ZhenHua
     [not found]                                 ` <5465A0E0.4020001-VXdhtT5mjnY@public.gmane.org>
2014-11-17 13:38                                   ` Joerg Roedel
     [not found]                                     ` <20141117133858.GA31920-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-12-01  6:31                                       ` Li, ZhenHua
2014-12-01 12:33                                         ` Joerg Roedel [this message]
2014-12-10  8:46                                       ` Baoquan He
     [not found]                                         ` <20141210084652.GA25091-je1gSBvt1TeLcxizHhUEZR/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2014-12-12  2:25                                           ` Li, ZhenHua
     [not found]                                             ` <548A521B.5020705-VXdhtT5mjnY@public.gmane.org>
2014-12-12 16:11                                               ` Joerg Roedel
     [not found]                                                 ` <20141212161102.GC24292-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-12-15  9:13                                                   ` Baoquan He
2014-12-15  9:16                                               ` Baoquan He
2014-10-27  7:29     ` Li, ZhenHua
     [not found]       ` <544DF46A.60109-VXdhtT5mjnY@public.gmane.org>
2014-10-27 10:44         ` Baoquan He

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