[Bug 73053] New: HD6850 cannot boot with dpm

[Bug 73053] New: HD6850 cannot boot with dpm

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

          Priority: medium
            Bug ID: 73053
          Assignee: dri-devel@lists.freedesktop.org
           Summary: HD6850 cannot boot with dpm
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: aaalmosss@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

The monitor goes blank, and the system becomes totally unresponsive as soon as
the radeon module is loaded, if I boot 3.12.4 with radeon.dpm=1 or I boot
3.13-rc5 without radeon.dpm=0.

Bug #66963 might be related.

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[Bug 73053] HD6850 cannot boot with dpm

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #0)
> The monitor goes blank, and the system becomes totally unresponsive as soon
> as the radeon module is loaded, if I boot 3.12.4 with radeon.dpm=1 or I boot
> 3.13-rc5 without radeon.dpm=0.

Did dpm ever work on your board?  Just to clarify, does 3.13-rc5 fail to boot
even with radeon.dpm=0?  Please attach a copy of your dmesg output, Xorg log,
and vbios.  To get a copy of your vbios:
(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


> 
> Bug #66963 might be related.

Unrelated.  That bug is about rv6xx asics.  Your chip is a BTC part.

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 395 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #2 from almos <aaalmosss@gmail.com> ---
Created attachment 91215
  --> https://bugs.freedesktop.org/attachment.cgi?id=91215&action=edit
vbios.rom

This is the first time I tried dpm, and it didn't work. Without dpm, the card
works fine with both kernels.

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 282 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #3 from almos <aaalmosss@gmail.com> ---
Created attachment 91234
  --> https://bugs.freedesktop.org/attachment.cgi?id=91234&action=edit
dmesg

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 287 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #4 from almos <aaalmosss@gmail.com> ---
Created attachment 91235
  --> https://bugs.freedesktop.org/attachment.cgi?id=91235&action=edit
Xorg.0.log

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 381 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 91609
  --> https://bugs.freedesktop.org/attachment.cgi?id=91609&action=edit
testing patch

Does the attached patch help?  If so, try and narrow down which changes fix the
issue.

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #6 from Juan Orti <j.orti.alcaine@gmail.com> ---
I have the same problem with a Radeon HD6870 and kernel 3.12.6-300.fc20.x86_64
in Fedora.

I cannot boot with radeon.dpm=1. I see the kernel booting but the monitor goes
black quickly. Sometimes I see the Xorg loading the wallpaper, but suddenly the
image gets corrupted and the monitor goes black.

lspci -v:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Barts
XT [Radeon HD 6870] (prog-if 00 [VGA controller])
        Subsystem: Hightech Information System Ltd. Device 2010
        Flags: bus master, fast devsel, latency 0, IRQ 58
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Memory at f7e20000 (64-bit, non-prefetchable) [size=128K]
        I/O ports at e000 [size=256]
        Expansion ROM at f7e00000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
        Capabilities: [150] Advanced Error Reporting
        Kernel driver in use: radeon


/proc/cmdline (without radeon.dpm=1):
BOOT_IMAGE=/root/boot/vmlinuz-3.12.6-300.fc20.x86_64
root=UUID=cd8d5bd5-5d01-4bfc-b417-f766e7ad643b ro rootflags=subvol=root rd.md=0
rd.lvm=0 rd.dm=0 rd.luks=0 vconsole.keymap=es vconsole.font=latarcyrheb-sun16
crashkernel=128M radeon.audio=1 libahci.ignore_sss=1 rhgb quiet

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 305 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #7 from Juan Orti <j.orti.alcaine@gmail.com> ---
Created attachment 91710
  --> https://bugs.freedesktop.org/attachment.cgi?id=91710&action=edit
VBIOS Radeon HD6870

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 330 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #8 from Juan Orti <j.orti.alcaine@gmail.com> ---
Created attachment 91711
  --> https://bugs.freedesktop.org/attachment.cgi?id=91711&action=edit
Xorg.log Radeon HD6870

Without radeon.dpm=1

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 327 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #9 from Juan Orti <j.orti.alcaine@gmail.com> ---
Created attachment 91712
  --> https://bugs.freedesktop.org/attachment.cgi?id=91712&action=edit
dmesg Radeon HD6870

Without radeon.dpm=1

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[Bug 73053] HD6850 cannot boot with dpm

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #10 from Alex Deucher <agd5f@yahoo.com> ---
Can anyone test my patch and try and narrow down the problem as per comment 5? 
I'm not table to reproduce this on any of the BTC cards I have access to.

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[Bug 73053] HD6850 cannot boot with dpm

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 395 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #11 from almos <aaalmosss@gmail.com> ---
(In reply to comment #10)
> Can anyone test my patch and try and narrow down the problem as per comment
> 5?  I'm not table to reproduce this on any of the BTC cards I have access to.

I'll test it in the weekend.

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 433 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #12 from Matt Novenstern <fisxoj@gmail.com> ---
I built a patched version of the 3.13rc7 kernel using the source from the
fedora rawhide-nodebug repo, using the patch provided.  I was able to boot to a
desktop and use it for a handful of seconds and then it froze/blanked the
screen as usual.

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 306 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #13 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
Some symptoms look like what was encountered in bug 68235 and possibly what is
encountered in bug 69723.

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 683 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #14 from Juan Orti <j.orti.alcaine@gmail.com> ---
(In reply to comment #5)
> Created attachment 91609 [details] [review]
> testing patch
> 
> Does the attached patch help?  If so, try and narrow down which changes fix
> the issue.

I have added this patch to the Fedora kernel 3.13.0-0.rc7.git2.1.fc21.x86_64
and the results are the same, sometimes it halts while the kernel is booting,
and other times I can even login in KDE, but suddenly the screen is corrupted
and goes black.

I attach some logs of when I was able to boot and take them.

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 338 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #15 from Juan Orti <j.orti.alcaine@gmail.com> ---
Created attachment 91769
  --> https://bugs.freedesktop.org/attachment.cgi?id=91769&action=edit
dmesg 3.13.0-0.rc7.git2.1.fc21.x86_64 + patch 91609

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 340 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #16 from Juan Orti <j.orti.alcaine@gmail.com> ---
Created attachment 91770
  --> https://bugs.freedesktop.org/attachment.cgi?id=91770&action=edit
cmdline 3.13.0-0.rc7.git2.1.fc21.x86_64 + patch 91609

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[Bug 73053] HD6850 cannot boot with dpm

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #17 from Juan Orti <j.orti.alcaine@gmail.com> ---
Created attachment 91771
  --> https://bugs.freedesktop.org/attachment.cgi?id=91771&action=edit
Xorg.log 3.13.0-0.rc7.git2.1.fc21.x86_64 + patch 91609

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 289 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #18 from Alex Deucher <agd5f@yahoo.com> ---
Are things any better with my 3.14 branch?
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14

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[Bug 73053] HD6850 cannot boot with dpm

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[-- Attachment #1.1: Type: text/plain, Size: 318 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #19 from dimitris <dsamaras05@gmail.com> ---
Created attachment 91892
  --> https://bugs.freedesktop.org/attachment.cgi?id=91892&action=edit
radeon 6850 dmesg

radeon 6850 dmesg

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[Bug 73053] HD6850 cannot boot with dpm

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #20 from dimitris <dsamaras05@gmail.com> ---
i am using 
Linux Saturn 3.13.0-rc7 #1 SMP PREEMPT Sun Jan 5 12:00:06 EET 2014 x86_64
GNU/Linux

but it seems my card doesn't have any issue.

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[Bug 73053] HD6850 cannot boot with dpm

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #21 from dimitris <dsamaras05@gmail.com> ---
Comment on attachment 91892
  --> https://bugs.freedesktop.org/attachment.cgi?id=91892
radeon 6850 dmesg

i am using 
Linux Saturn 3.13.0-rc7 #1 SMP PREEMPT Sun Jan 5 12:00:06 EET 2014 x86_64
GNU/Linux

but it seems my card doesn't have any issue.

03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Barts
PRO [Radeon HD 6850] (prog-if 00 [VGA controller])
        Subsystem: PC Partner Limited / Sapphire Technology Device 174b
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR+ <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 44
        Region 0: Memory at d0000000 (64-bit, prefetchable) [size=256M]
        Region 2: Memory at fbfc0000 (64-bit, non-prefetchable) [size=128K]
        Region 4: I/O ports at e000 [size=256]
        Expansion ROM at fbfa0000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
                DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us, L1
unlimited
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr+ UncorrErr+ FatalErr- UnsuppReq+ AuxPwr-
TransPend-
                LnkCap: Port #0, Speed 5GT/s, Width x16, ASPM L0s L1, Latency
L0 <64ns, L1 <1us
                        ClockPM- Surprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-,
OBFF Not Supported
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
                LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-
                         Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
                         Compliance De-emphasis: -6dB
                LnkSta2: Current De-emphasis Level: -3.5dB,
EqualizationComplete-, EqualizationPhase1-
                         EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee0f00c  Data: 41d1
        Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
        Capabilities: [150 v1] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
        Kernel driver in use: radeon
        Kernel modules: radeon

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[Bug 73053] HD6850 cannot boot with dpm

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #22 from Juan Orti <j.orti.alcaine@gmail.com> ---
With (In reply to comment #18)
> Are things any better with my 3.14 branch?
> http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14

I've been using that branch at commit 0279ed19bd962434d334f5eeb16d14fdd9459a00
and things seems a little better but it keeps crashing with my Radeon HD 6870.

Most of the time, the kernel boots, but sometimes it freezes right at the
start.
First thing I notice with that kernel it's that I see the Tuxs for a second
before Plymouth, maybe it's something related to the initrd, I don't know.
I'm able to log in and even sometimes load a 3D game and play, but it always
end crashing after a few seconds.

I've trying to do a kdump, but the system is totally unresponsive.

What can I do to help?

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[Bug 73053] HD6850 cannot boot with dpm

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xeno@x-s.com.pl

--- Comment #23 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 73577 has been marked as a duplicate of this bug. ***

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|HD6850 cannot boot with dpm |dpm hangs with BTC parts

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #24 from Alex Deucher <agd5f@yahoo.com> ---
Does disabling hyperZ help?  E.g., set env var R600_DEBUG=nohyperz in
/etc/environment or however your distro handles global env vars.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #25 from Juan Orti <j.orti.alcaine@gmail.com> ---
(In reply to comment #24)
> Does disabling hyperZ help?  E.g., set env var R600_DEBUG=nohyperz in
> /etc/environment or however your distro handles global env vars.

With that variable set the behaviour is the same. I can log in KDE, but crash
in a few minutes.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #26 from Alex Deucher <agd5f@yahoo.com> ---
Does using glamor for acceleration help?  Make sure you have an glamor enabled
ddx (xf86-video-ati), and then add:
Option "AccelMethod" "glamor"
to the device section of your xorg config.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #27 from almos <aaalmosss@gmail.com> ---
(In reply to comment #18)
> Are things any better with my 3.14 branch?
> http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14

I don't know if this helps, but I tried your branch (at 4a8ee429cab), and it
fails different. For some reason it calls itself 3.13-rc4+, and it defaults to
dpm=0, I hope these are not a problem. When I enable dpm, the screen doesn't
turn off when the radeon module is loaded, but as X starts, the screen goes
black with 1px blue vertical lines at every 8th pixel. I tried 3 times, the
same result.

I don't have glamor now, when I'll have some time I'll try with it.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #28 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 95246
  --> https://bugs.freedesktop.org/attachment.cgi?id=95246&action=edit
possible fix

Does this patch help?

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #29 from almos <aaalmosss@gmail.com> ---
(In reply to comment #28)
> Created attachment 95246 [details] [review]
> possible fix
> 
> Does this patch help?

I checked out the newest state of your drm-next-3.14 git branch (at 78fe9e545),
and applied the patch. I still get the vertical stripes and complete lockup.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #30 from Juan Orti Alcaine <j.orti.alcaine@gmail.com> ---
(In reply to comment #29)
> (In reply to comment #28)
> > Created attachment 95246 [details] [review] [review]
> > possible fix
> > 
> > Does this patch help?
> 
> I checked out the newest state of your drm-next-3.14 git branch (at
> 78fe9e545), and applied the patch. I still get the vertical stripes and
> complete lockup.


The same here with a Radeon HD 6870. I can start KDE, but it crashes with
vertical white strips over a dark background.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #31 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 102081
  --> https://bugs.freedesktop.org/attachment.cgi?id=102081&action=edit
possible fix

Does this patch fix the issues?

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #32 from Juan Orti Alcaine <juan.orti@miceliux.com> ---
(In reply to comment #31)
> Created attachment 102081 [details] [review]
> possible fix
> 
> Does this patch fix the issues?

Great! it works very well, I've been using it for an hour, playing 3D games
with no stability problems. The temperature also is 10-20 ºC lower than before.

This kernel is your branch drm-next-3.16 at commit
4366f3b5f5a971cf348c298716b2cb29aab6ef4f + patch 102081

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #33 from Stan Trzmiel <xeno@x-s.com.pl> ---
Patch applied to 3.15.3 from fedora testing fixed issues with Radeon 7600M (AMD
Turks).
Tested on  glxgears, schorched3d and flightgear.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

Rpnpif <rpnpif@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rpnpif@free.fr

--- Comment #34 from Rpnpif <rpnpif@free.fr> ---
Hi,
Same issue with my system on motherboard MSI A78M-E35 with AMD APU A4-5300.
But my system reboots some 3 seconds after initramfs is loaded. So no Xorg and
no logs.

00:00.2 IOMMU: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) I/O
Memory Management Unit
    Subsystem: Micro-Star International Co., Ltd. Device 7721
    Flags: bus master, fast devsel, latency 0, IRQ 40
    Capabilities: [40] Secure device <?>
    Capabilities: [54] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Capabilities: [64] HyperTransport: MSI Mapping Enable+ Fixed+

00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Device
9993 (prog-if 00 [VGA controller])
    Subsystem: Micro-Star International Co., Ltd. Device 7721
    Flags: bus master, fast devsel, latency 0, IRQ 49
    Memory at c0000000 (32-bit, prefetchable) [size=256M]
    I/O ports at f000 [size=256]
    Memory at feb00000 (32-bit, non-prefetchable) [size=256K]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: [50] Power Management version 3
    Capabilities: [58] Express Root Complex Integrated Endpoint, MSI 00
    Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
    Kernel driver in use: radeon

I wrote a bug issue on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=748615
Same issue on linux 3.13 to 3.15.1.
radeon.dpm=0 fix it.

I does not yet try your last patch.

Regards.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #35 from Rpnpif <rpnpif@free.fr> ---
(In reply to comment #34)

I have trying some minutes ago 3.14.12 kernel that have your patches included,
I think. But same issue : the system reboots early in the sequence boot.

Or my bug is different or it is the same and your patches does not fix it. Only
radeon.dpm=0 on the kernel command line fix it.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #36 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #34)
> Hi,
> Same issue with my system on motherboard MSI A78M-E35 with AMD APU A4-5300.
> But my system reboots some 3 seconds after initramfs is loaded. So no Xorg
> and no logs.
> 

You have an APU.  This bug is specifically about dpm on BTC discrete GPUs.  It
sounds like you are seeing bug 72921.  Please try the patch on that bug.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #37 from Rpnpif <rpnpif@free.fr> ---
(In reply to comment #36)
> You have an APU.  This bug is specifically about dpm on BTC discrete GPUs. 
> It sounds like you are seeing bug 72921.  Please try the patch on that bug.

You are right and the last patch of bug 72921 fixes my bug issue.
Thank you very much.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #38 from almos <aaalmosss@gmail.com> ---
Attachment 102081 fixes the "hard lockup with small vertical blue stripes"
issue, when applied to 3.15.4, and AFAICS dpm works fine.

The new problem is that I get kernel panic after a few hours if dpm is enabled.
With the good old profile method the system is stable.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #39 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #38)
> Attachment 102081 [details] fixes the "hard lockup with small vertical blue
> stripes" issue, when applied to 3.15.4, and AFAICS dpm works fine.
> 
> The new problem is that I get kernel panic after a few hours if dpm is
> enabled. With the good old profile method the system is stable.

Could you test with latest kernel 3.16 RC (the patch is already included)? I
have been running kernel 3.16-RC4 with this patch for Cayman and I don't get
any lockups anymore. I've been running my system for a few days (games, movies
and so on) without problem.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #40 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #38)
> The new problem is that I get kernel panic after a few hours if dpm is
> enabled. With the good old profile method the system is stable.

Can you get a copy of the panic?  I think it may be related to the page
flipping changes in the last couple kernels.  It's not likely dpm would cause a
panic.

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[Bug 73053] dpm hangs with BTC parts

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #41 from almos <aaalmosss@gmail.com> ---
(In reply to comment #40)
> (In reply to comment #38)
> > The new problem is that I get kernel panic after a few hours if dpm is
> > enabled. With the good old profile method the system is stable.
> 
> Can you get a copy of the panic?  I think it may be related to the page
> flipping changes in the last couple kernels.  It's not likely dpm would
> cause a panic.

It seems I spoke too soon. 3.15.4 panics even without dpm.

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--- Comment #42 from almos <aaalmosss@gmail.com> ---
Created attachment 102669
  --> https://bugs.freedesktop.org/attachment.cgi?id=102669&action=edit
image of panic.jpg

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https://bugs.freedesktop.org/show_bug.cgi?id=73053

--- Comment #43 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #41)
> (In reply to comment #40)
> > (In reply to comment #38)
> > > The new problem is that I get kernel panic after a few hours if dpm is
> > > enabled. With the good old profile method the system is stable.
> > 
> > Can you get a copy of the panic?  I think it may be related to the page
> > flipping changes in the last couple kernels.  It's not likely dpm would
> > cause a panic.
> 
> It seems I spoke too soon. 3.15.4 panics even without dpm.

So it is a different bug from the current one. Alex Deucher may be able to tell
you if your screeshot confirms his suspicions. However, if everything still
runs fine about dpm with the patch applied, I suggest you close the current bug
and, if needed, you open a new one.

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--- Comment #44 from almos <aaalmosss@gmail.com> ---
3.14.12 also panics after a few hours. It seems I have to return to the 3.12
series.

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--- Comment #45 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #44)
> 3.14.12 also panics after a few hours. It seems I have to return to the 3.12
> series.

I'm not sure this panic has anything to do with the GPU driver.

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almos <aaalmosss@gmail.com> changed:

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

--- Comment #46 from almos <aaalmosss@gmail.com> ---
(In reply to comment #45)
> (In reply to comment #44)
> > 3.14.12 also panics after a few hours. It seems I have to return to the 3.12
> > series.
> 
> I'm not sure this panic has anything to do with the GPU driver.

Me neither, but it makes testing a bit difficult. Not to mention daily work.

Anyway, I'm closing the bug, because the fix for the hang has been found, and
it's already landed in most of the stable branches. A big thanks to everyone
who contributed.

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