From: Don Dutile <ddutile@redhat.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Suravee Suthikulanit <suravee.suthikulpanit@amd.com>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2 V2] iommu/amd: Add workaround for ERBT1312
Date: Wed, 24 Apr 2013 09:52:40 -0400 [thread overview]
Message-ID: <5177E3A8.5020001@redhat.com> (raw)
In-Reply-To: <20130424104616.GH17148@8bytes.org>
On 04/24/2013 06:46 AM, Joerg Roedel wrote:
> On Tue, Apr 23, 2013 at 09:22:45AM -0400, Don Dutile wrote:
>> Given other threads on this mail list (and I've seen crashes with same problem)
>> where this type of logging during a flood of IOMMU errors will lock up the machine,
>> is there something that can be done to break the do-while loop after n iterations
>> have been exec'd, so the kernel can progress during a crash ?
>
> In the case of an IOMMU error flood this loop will only run until the
> event-log/ppr-log overflows. So it should not turn into an endless loop.
>
>
> Joerg
>
>
Thanks for verification.
prev parent reply other threads:[~2013-04-24 13:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-15 7:07 [PATCH 1/2 V2] iommu/amd: Add workaround for ERBT1312 suravee.suthikulpanit
2013-04-18 16:02 ` Joerg Roedel
2013-04-18 16:13 ` Suravee Suthikulanit
2013-04-18 16:28 ` Joerg Roedel
2013-04-18 16:59 ` Suravee Suthikulanit
2013-04-18 18:35 ` Joerg Roedel
2013-04-18 18:56 ` Suravee Suthikulpanit
2013-04-18 20:06 ` Joerg Roedel
2013-04-22 21:43 ` Suravee Suthikulanit
2013-04-23 13:22 ` Don Dutile
2013-04-24 10:46 ` Joerg Roedel
2013-04-24 13:52 ` Don Dutile [this message]
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