[Bug 111711] New: IOMMU Xonar Essence STX causes issues

[Bug 111711] New: IOMMU Xonar Essence STX causes issues

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=111711

            Bug ID: 111711
           Summary: IOMMU Xonar Essence STX causes issues
           Product: Virtualization
           Version: unspecified
    Kernel Version: 4.4
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: kvm
          Assignee: virtualization_kvm@kernel-bugs.osdl.org
          Reporter: bellamorte42@gmail.com
        Regression: No

I decided to post this bug here because AFAIK there haven't any real changes to
snd-virtuoso and this bug only occurs with IOMMU enabled.  This issue occurs
during normal operation (not running a VM).  Attempting to use the xonar
essence results in about 2000 lines of dmesg repeating the following:

[   38.646702] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100000 flags=0x0050]
[   38.646707] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100040 flags=0x0050]
[   38.646709] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100000 flags=0x0050]
[   38.646710] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100040 flags=0x0050]
[   38.646711] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100000 flags=0x0050]
[   38.646713] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100040 flags=0x0050]
[   38.646714] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100000 flags=0x0050]
[   38.646715] AMD-Vi: Event logged [IO_PAGE_FAULT device=07:00.0 domain=0x0000
address=0x0000000000100040 flags=0x0050]

This also causes any video playback to freeze.  I get about 2 frames before
that happens.

This issue was not present under 4.1, 4.2, or 4.3.  I think it was 4.4rc3 I
tested when I fist saw it but I did not test the earlier rcs.

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[Bug 111711] IOMMU Xonar Essence STX causes issues

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=111711

--- Comment #1 from Alex Williamson <alex.williamson@redhat.com> ---
Drivers/Sound or Drivers/PCI are probably much more appropriate categories for
this.

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[Bug 111711] IOMMU Xonar Essence STX causes issues

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=111711

bellamorte42@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|kvm                         |Sound(ALSA)
            Version|unspecified                 |2.5
            Product|Virtualization              |Drivers

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[Bug 111711] IOMMU Xonar Essence STX causes issues

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https://bugzilla.kernel.org/show_bug.cgi?id=111711

bellamorte42@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |OBSOLETE

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[Bug 111711] IOMMU Xonar Essence STX causes issues

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https://bugzilla.kernel.org/show_bug.cgi?id=111711

Clemens Ladisch <clemens@ladisch.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |clemens@ladisch.de

--- Comment #2 from Clemens Ladisch <clemens@ladisch.de> ---
How did you resolve this?

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[Bug 111711] IOMMU Xonar Essence STX causes issues

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=111711

--- Comment #3 from bellamorte42@gmail.com ---
As posted above, "Drivers/Sound or Drivers/PCI are probably much more
appropriate categories for this."

I choose resolved as obsolete and posted a new bug under ALSA, as there was not
a 'Resolved as don't care, post this somewhere else' option.

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[Bug 111711] IOMMU Xonar Essence STX causes issues

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=111711

Paul Menzel (paulepanter@users.sourceforge.net) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |paulepanter@users.sourcefor
                   |                            |ge.net

--- Comment #4 from Paul Menzel (paulepanter@users.sourceforge.net) ---
(In reply to bellamorte42 from comment #3)
> As posted above, "Drivers/Sound or Drivers/PCI are probably much more
> appropriate categories for this."
> 
> I choose resolved as obsolete and posted a new bug under ALSA, as there was
> not a 'Resolved as don't care, post this somewhere else' option.

Please provide an URL for your new bug report.

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