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Bug#607280: marked as done (linux-2.6: IOMMU read errors on nouveau (nv50))

Your message dated Tue, 18 Jun 2013 21:25:24 +0200
with message-id <20130618192524.GA4794@pisco.westfalen.local>
and subject line Closing
has caused the Debian Bug report #607280,
regarding linux-2.6: IOMMU read errors on nouveau (nv50)
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.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
607280: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607280
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-2.6
Version: 2.6.32-29
Severity: normal

Hey,

following my tries on intel_iommu, I found some errors on nvidia
hardware, using nouveau driver.

Basically, logs fill up with:

[ 8120.811323] DRHD: handling fault status reg 2
[ 8120.811328] DMAR:[DMA Read] Request device [02:00.0] fault addr 0 
[ 8120.811330] DMAR:[fault reason 06] PTE Read access is not set

PCI device is the nvidia card:

02:00.0 VGA compatible controller: nVidia Corporation G86 [Quadro NVS
290] (rev a1)

which is trying to read address 0. It doesn't seem to cause too much
trouble, but it does fill up the log and it doesn't look really good.

It'd be nice to have a fix for this, but sadly it's not as easy as
#607095. Again, there's a fedora bug
(https://bugzilla.redhat.com/show_bug.cgi?id=561267) which leads to the
commit 4eb3033c but it doesn't really apply fine against 2.6.32, even
with the whole nouveau backport in Debian kernels.

Backporting the whole nv50_fb.c might be a little overkill (especially
for Squeeze) though.

Regards,
-- 
Yves-Alexis

-- System Information:
Debian Release: 6.0
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-grsec-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

--- End Message ---
--- Begin Message --- 
Hi,
your bug has been filed against the "linux-2.6" source package and was filed for
a kernel older than the recently released Debian 7.0 / Wheezy with a severity
less than important.

We don't have the ressources to reproduce the complete backlog of all older kernel
bugs, so we're closing this bug for now. If you can reproduce the bug with Debian Wheezy
or a more recent kernel from testing or unstable, please reopen the bug by sending
a mail to control@bugs.debian.org with the following three commands included in the
mail:

reopen BUGNUMBER
reassign BUGNUMBER src:linux
thanks

Cheers,
        Moritz

--- End Message ---
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