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From: David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Takao Indoh <indou.takao-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] intel-iommu: Synchronize gcmd value with global command register
Date: Thu, 04 Apr 2013 15:24:49 +0100	[thread overview]
Message-ID: <1365085489.28127.64.camel@i7.infradead.org> (raw)
In-Reply-To: <515D1429.40707-+CUm20s59erQFUHtdCDX3A@public.gmane.org>


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On Thu, 2013-04-04 at 14:48 +0900, Takao Indoh wrote:
> 
> - DMAR fault messages floods and second kernel does not boot. Recently I
>   saw similar report. https://lkml.org/lkml/2013/3/8/120

Right. So the fix for that is to make the subsequent errors silent,
until/unless we actually get a request to create a mapping for the given
device.

> - igb driver detectes error on linkup and kdump via network fails.

That's a driver bug, IIRC. It was failing to completely reset the
hardware. It's fixed now, isn't it?

> - On a certain platform, though kdump itself works, PCIe error like
>   Unexpected Completion is detected and it gets hardware degraded.

More information required.

-- 
dwmw2

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  parent reply	other threads:[~2013-04-04 14:24 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-21  1:32 [PATCH] intel-iommu: Synchronize gcmd value with global command register Takao Indoh
     [not found] ` <1363829556-2128-1-git-send-email-indou.takao-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2013-03-26 14:46   ` Joerg Roedel
     [not found]     ` <20130326144629.GB2727-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2013-03-27  5:02       ` Takao Indoh
     [not found]         ` <51527D74.9080209-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2013-03-27 10:31           ` Joerg Roedel
     [not found]             ` <20130327103122.GK30540-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2013-04-01  5:45               ` Takao Indoh
     [not found]                 ` <51591EEE.60401-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2013-04-02 14:05                   ` Joerg Roedel
     [not found]                     ` <20130402140546.GA15687-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2013-04-03  7:11                       ` Takao Indoh
2013-04-03  8:24                         ` David Woodhouse
     [not found]                           ` <1364977479.28127.15.camel-W2I5cNIroUsVm/YvaOjsyQ@public.gmane.org>
2013-04-04  5:48                             ` Takao Indoh
     [not found]                               ` <515D1429.40707-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2013-04-04 14:24                                 ` David Woodhouse [this message]
2013-04-08  8:57                                   ` Takao Indoh
2013-04-05 11:06                             ` Joerg Roedel
     [not found]                               ` <20130405110616.GB6858-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2013-04-10  4:47                                 ` Takao Indoh
     [not found]                                   ` <5164EEE6.8000707-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2013-04-15  9:00                                     ` Takao Indoh
     [not found]                                       ` <516BC19D.4090303-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2013-04-15 10:18                                         ` Joerg Roedel
     [not found]                                           ` <20130415101829.GP6858-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2013-04-17  8:48                                             ` Takao Indoh

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