From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
Subject: [Bug 107325] New: Reported temperature of nvidia card
 with nouveau driver is wrong
Date: Sat, 21 Jul 2018 20:36:19 +0000
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Date: Sat, 21 Jul 2018 20:36:19 +0000
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X-Bugzilla-URL: http://bugs.freedesktop.org/
Auto-Submitted: auto-generated

https://bugs.freedesktop.org/show_bug.cgi?id=3D107325

            Bug ID: 107325
           Summary: Reported temperature of nvidia card with nouveau
                    driver is wrong
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: j.novak-yL21p0u6sjaEIYLD/85Ykw@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Hello,

  I use Dell Precision 3530 with NVIDIA Corporation GP107GLM [Quadro P600
Mobile] (rev a1). I use Fedora Core 28 with 4.17.6 x86_64 kernel.
  I found that sensors tool shows wrong temperature:

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:       +511.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

  Temperature is obviously wrong.
  I tried to troubleshoot it on sensors side and it looks that sensors tool
receives this wrong value from driver.
  I made one more observation - right after suspend/wakeup the value is
completely different:

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:       +511.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:        +43.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:       +511.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

  I can provide more information when required.

--=20
You are receiving this mail because:
You are the assignee for the bug.=

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Date: Sat, 21 Jul 2018 20:36:19 +0000
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Auto-Submitted: auto-generated

<html>
    <head>
      <base href=3D"https://bugs.freedesktop.org/">
    </head>
    <body><table border=3D"1" cellspacing=3D"0" cellpadding=3D"8">
        <tr>
          <th>Bug ID</th>
          <td><a class=3D"bz_bug_link=20
          bz_status_NEW "
   title=3D"NEW - Reported temperature of nvidia card with nouveau driver i=
s wrong"
   href=3D"https://bugs.freedesktop.org/show_bug.cgi?id=3D107325">107325</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Reported temperature of nvidia card with nouveau driver is wr=
ong
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver/nouveau
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>nouveau&#64;lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>j.novak&#64;netsystem.cz
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team&#64;lists.x.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Hello,

  I use Dell Precision 3530 with NVIDIA Corporation GP107GLM [Quadro P600
Mobile] (rev a1). I use Fedora Core 28 with 4.17.6 x86_64 kernel.
  I found that sensors tool shows wrong temperature:

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:       +511.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

  Temperature is obviously wrong.
  I tried to troubleshoot it on sensors side and it looks that sensors tool
receives this wrong value from driver.
  I made one more observation - right after suspend/wakeup the value is
completely different:

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:       +511.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:        +43.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

$ sensors
nouveau-pci-0100
Adapter: PCI adapter
temp1:       +511.0=C2=B0C  (high =3D +95.0=C2=B0C, hyst =3D  +3.0=C2=B0C)
                       (crit =3D +105.0=C2=B0C, hyst =3D  +5.0=C2=B0C)
                       (emerg =3D +135.0=C2=B0C, hyst =3D  +5.0=C2=B0C)

  I can provide more information when required.</pre>
        </div>
      </p>


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