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Bug#574381: marked as done (linux-image-2.6.32-3-amd64: Please apply upstream commit 2ae8bb75db1f3de422eb5898f2a063c46c36dba8)

Your message dated Thu, 18 Mar 2010 00:54:49 +0000
with message-id <1268873689.18314.3.camel@localhost>
and subject line Re: Bug#574381: linux-image-2.6.32-3-amd64: Please apply upstream commit 2ae8bb75db1f3de422eb5898f2a063c46c36dba8
has caused the Debian Bug report #574381,
regarding linux-image-2.6.32-3-amd64: Please apply upstream commit 2ae8bb75db1f3de422eb5898f2a063c46c36dba8
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
574381: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=574381
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.32-3-amd64
Version: -9
Severity: normal
Tags: patch

I noticed that the debian 2.6.32 kernel does not contain commit
2ae8bb75db1f3de422eb5898f2a063c46c36dba8 from the upstream linux-2.6-stable
branch (since 2.6.32.2).  Since the fix is trivial, and this particular bug
hits me I would be grateful if you could apply the patch to the Debian kernel.

commit 2ae8bb75db1f3de422eb5898f2a063c46c36dba8
Author: Tejun Heo <tj@kernel.org>
Date:   Mon Oct 26 15:41:46 2009 +0100

    x86: Fix iommu=nodac parameter handling
    
    iommu=nodac should forbid dac instead of enabling it. Fix it.
    
    Signed-off-by: Tejun Heo <tj@kernel.org>
    Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
    Cc: Matteo Frigo <athena@fftw.org>
    Cc: <stable@kernel.org> # .32.x and older
    LKML-Reference: <4AE5B52A.4050408@kernel.org>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index ce2fb91..839d49a 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -216,7 +216,7 @@ static __init int iommu_setup(char *p)
                if (!strncmp(p, "allowdac", 8))
                        forbid_dac = 0;
                if (!strncmp(p, "nodac", 5))
-                       forbid_dac = -1;
+                       forbid_dac = 1;
                if (!strncmp(p, "usedac", 6)) {
                        forbid_dac = -1;
                        return 1;


-- System Information:
Debian Release: 5.0.4
  APT prefers stable
  APT policy: (900, 'stable'), (400, 'testing'), (10, 'experimental'), (10, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32.2 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

--- End Message ---
--- Begin Message --- 
On Wed, 2010-03-17 at 16:04 -0400, Matteo Frigo wrote:
> Package: linux-image-2.6.32-3-amd64
> Version: -9
> Severity: normal
> Tags: patch
> 
> I noticed that the debian 2.6.32 kernel does not contain commit
> 2ae8bb75db1f3de422eb5898f2a063c46c36dba8 from the upstream linux-2.6-stable
> branch (since 2.6.32.2).

Yes it does.  Read the changelog - or if you're looking at the source,
check the patches that are applied.

Ben.

-- 
Ben Hutchings
One of the nice things about standards is that there are so many of them.

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