linux-kernel - Re: 2.6.22-rc6-mm1 Intel DMAR crash on AMD x86

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070629211815.GA23988@rhun.ibm.com>
Date:	Fri, 29 Jun 2007 17:18:15 -0400
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>
Cc:	Robert Hancock <hancockr@...w.ca>, Zan Lynx <zlynx@....org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, "Raj, Ashok" <ashok.raj@...el.com>
Subject: Re: 2.6.22-rc6-mm1 Intel DMAR crash on AMD x86_64

On Fri, Jun 29, 2007 at 12:23:53PM -0700, Keshavamurthy, Anil S wrote:

> Since this is IOMMU is built into the kernel and it is good idea to
> report that the device is not present.

Yes - as a debug message.

> The above is printed only once and is consistent with other IOMMU
> implementation. Atleast it is useful when people report bugs we can
> makeout whether IOMMU is being detected or not.

If it was printed that it was detected it was - otherwise, it wasn't.

> Here is what I see on my box.
> [..]
> "PCI-GART: No AMD northbridge found."

You're right, that should be a debug message as well.

> [..]
> Calgary: detecting Calgary via BIOS EBDA area
> Calgary: Unable to locate Rio Grande table in EBDA - bailing!

These are KERN_DEBUG messages.

Cheers,
Muli
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/