[Bug 79773] New: Enabling DPM results in crash for R270X PITCAIRN

[Bug 79773] New: Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

          Priority: medium
            Bug ID: 79773
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Enabling DPM results in crash for R270X PITCAIRN
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: dex+fdobugzilla@dragonslave.de
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 100614
  --> https://bugs.freedesktop.org/attachment.cgi?id=100614&action=edit
Relevant dmesg

Kernel: 3.15.0-rc7-00118-ga4bf79e

As soon as the radeon module gets loaded with dpm=1 (the default)
and Xorg is started the system crashes.

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

--- Comment #1 from dex+fdobugzilla@dragonslave.de ---
Created attachment 100615
  --> https://bugs.freedesktop.org/attachment.cgi?id=100615&action=edit
Videobios via od -x  /sys/class/drm/card0/device/rom

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
looks like the vbios didn't get dumped properly.  Try this:

(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

--- Comment #3 from dex+fdobugzilla@dragonslave.de ---
Created attachment 100616
  --> https://bugs.freedesktop.org/attachment.cgi?id=100616&action=edit
Next try. This time without od.

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

--- Comment #4 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #3)
> Created attachment 100616 [details]
> Next try. This time without od.

That worked.  thanks!

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

--- Comment #5 from dex+fdobugzilla@dragonslave.de ---
Looking at strings from vbios:

>113-MSITV303MS.1D0 C63101 CURACAO XT GDDR5 64MX32 2GB 150E/150M 

This is the 4G variant:
http://www.msi.com/product/vga/R9_270X_GAMING_4G.html

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

--- Comment #6 from dex+fdobugzilla@dragonslave.de ---
I also tried with Kernel 3.15.0-rc8-00105-gc593e89

Same effect

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

--- Comment #7 from Gustavo Lopes <mail@geleia.net> ---
Probably this is the same problem I reported here (exact same model):
https://bugs.freedesktop.org/show_bug.cgi?id=76490

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[Bug 79773] Enabling DPM results in crash for R270X PITCAIRN

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https://bugs.freedesktop.org/show_bug.cgi?id=79773

Alex Deucher <agd5f@yahoo.com> changed:

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

--- Comment #8 from Alex Deucher <agd5f@yahoo.com> ---


*** This bug has been marked as a duplicate of bug 76490 ***

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