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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 76321] New: Incorrect hwmon temperature when radeon card is turned off
Date: Fri, 16 May 2014 07:09:46 +0000	[thread overview]
Message-ID: <bug-76321-2300@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=76321

            Bug ID: 76321
           Summary: Incorrect hwmon temperature when radeon card is turned
                    off
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.15-rc3
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: pali.rohar@gmail.com
        Regression: No

When radeon card is turned off (automatically via runpm) sensors program show
totally incorrect temperature:

radeon-pci-0100
Adapter: PCI adapter
temp1:       +511.0°C  (crit = +120.0°C, hyst = +90.0°C)

When some opengl program is running with DRI_PRIME=1 then sensors reports:

radeon-pci-0100
Adapter: PCI adapter
temp1:        +46.0°C  (crit = +120.0°C, hyst = +90.0°C)

So kernel radeon driver should not report temperature (e.g. returns -EINVAL in
hwmon) when radeon card is turned off (via vgaswitcheroo or runpm).

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             reply	other threads:[~2014-05-16  7:09 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-16  7:09 bugzilla-daemon [this message]
2014-05-16 15:36 ` [Bug 76321] Incorrect hwmon temperature when radeon card is turned off bugzilla-daemon
2014-05-16 17:42 ` bugzilla-daemon
2014-05-16 22:32 ` bugzilla-daemon
2014-05-17 18:57 ` bugzilla-daemon
2014-05-19 14:31 ` bugzilla-daemon
2014-05-20 17:06 ` bugzilla-daemon
2014-05-20 18:41 ` bugzilla-daemon
2014-08-09 20:33 ` bugzilla-daemon
2014-08-11 16:48 ` bugzilla-daemon
2014-08-11 17:05 ` bugzilla-daemon
2014-08-11 19:21 ` bugzilla-daemon
2014-08-12 10:20 ` bugzilla-daemon
2014-08-12 13:14 ` bugzilla-daemon
2016-02-20 14:07 ` bugzilla-daemon

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