[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #145 from Paul Bodenbenner  ---
I have also a HD 3470 (RV620/M82) and my experience is really great by using
dpm, but following problems still occur with kernel 3.12rc3-1 and 3.11.4:
1. Sometimes it doesn't boot. Only a black screen is shown.
2. Most of the times after suspending, system doesn't wake up properly.
3. Rarely system is totally slow, probably clocks... not correctly set.
4. Sometimes GUI crashes when attatching or removing a monitor over HDMI.

I am using the default settings for power states... One strange thing I have
also noticed: At bootup I can see the Raw EDID matric and it does change
sometimes.
I have pasted some logs at Bug 69729 already. If you need some further
information, please let me know.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #144 from Bryan Quigley  ---
(In reply to comment #143)
> Unfortunately, that disables dynamic engine scaling which on your particular
> board pretty much disables dpm since the voltage and mclk are static :(

Well damn.. Any other things to try?  (I think I've exhausted all the other
places to put return 0; in the discussed functions)

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #143 from Alex Deucher  ---
(In reply to comment #142)
> -   r600_enable_sclk_control(rdev, true);
> +   r600_enable_sclk_control(rdev, false);
> Does indeed fix it.

Unfortunately, that disables dynamic engine scaling which on your particular
board pretty much disables dpm since the voltage and mclk are static :(

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #142 from Bryan Quigley  ---
-   r600_enable_sclk_control(rdev, true);
+   r600_enable_sclk_control(rdev, false);
Does indeed fix it.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #141 from Bryan Quigley  ---
In /r600_dpm.c - void r600_start_dpm(struct radeon_device *rdev)

+   //return; //returning here works

r600_enable_sclk_control(rdev, true);

+   return; //returning here doesn't.

Will just try setting it to false next..

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #140 from Alex Deucher  ---
(In reply to comment #139)
> 
> I tried exiting early out of a few other functions like rv6xx_dpm_init, but
> haven't had any better results.  I put a printk statement in _init, which
> never got printed.. Could we never make it there?  I couldn't find anything
> that comes before _init...

rv6xx_dpm_init() doesn't actually touch the hw, it just initializes the driver
structures used by dpm.  Try returning early in rv6xx_setup_asic().

The order at module load time looks like:

dpm_init()
dpm_setup_asic()
dpm_enable()
dpm_set_power_state()

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #139 from Bryan Quigley  ---
> Does it hang the entire system as soon as you load the driver, or only when
> you start X or something like that?
Hangs on driver load.  

> As for debugging, you can try disabling rv6xx_dpm_set_power_state() by
> returning early (see the patch below).  
This doesn't work.. actually it seems to fail a bit faster now..  previously it
would display kernel messages for a bit, not it goes off after extracting the
kernel.

I tried exiting early out of a few other functions like rv6xx_dpm_init, but
haven't had any better results.  I put a printk statement in _init, which never
got printed.. Could we never make it there?  I couldn't find anything that
comes before _init...

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #138 from Alex Deucher  ---
(In reply to comment #137)
> Nope definitely not reliably, but I did have it work one more time doing the
> above (booting with modeset=0) after about 10 or so reboots.  When it fails
> I've never been able to get any debug information..
> 
> Any suggestions of other ways to get more debug information?

Does it hang the entire system as soon as you load the driver, or only when you
start X or something like that?

As for debugging, you can try disabling rv6xx_dpm_set_power_state() by
returning early (see the patch below).  If that works, move the the return
statement further and further down in the function until you can identify at
which point in rv6xx_dpm_set_power_state() the hang occurs.  Once we pin point
that, we can debug further.


diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c
b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 5811d27..bfa2922 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1670,6 +1670,8 @@ int rv6xx_dpm_set_power_state(struct radeon_device *rdev)
struct radeon_ps *old_ps = rdev->pm.dpm.current_ps;
int ret;

+   return 0;
+
pi->restricted_levels = 0;

rv6xx_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
@@ -2094,6 +2096,8 @@ int rv6xx_dpm_force_performance_level(struct
radeon_device *rdev,
 {
struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);

+   return 0;
+
if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
pi->restricted_levels = 3;
} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #137 from Bryan Quigley  ---
> (In reply to comment #135)
> Seems like you just got lucky this time. Does it work reliably if you
> disable radeon and boot into a non-X runlevel, then manually load radeon? 

Nope definitely not reliably, but I did have it work one more time doing the
above (booting with modeset=0) after about 10 or so reboots.  When it fails
I've never been able to get any debug information..

Any suggestions of other ways to get more debug information?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #136 from Alex Deucher  ---
(In reply to comment #135)
> Created attachment 86825 [details]
> dmesg when under works due to setting .debug=1
> 
> I tried again with the latest rc3 build and it still doesn't work; I had
> left changes from comment 94 intact.  Trying to get more information I tried
> booting with radeon.modeset=0 radeon.debug=1.  Once I re-loaded the module
> with dpm, now it works!  So it works correctly if you set it to debug mode,
> otherwise I can't get any logs of the event.  
> 

There is no radeon.debug parameter:
[   34.991462] radeon: unknown parameter 'debug' ignored

Seems like you just got lucky this time. Does it work reliably if you disable
radeon and boot into a non-X runlevel, then manually load radeon?  E.g., boot
with:
radeon.modeset=0 1
on the kernel command line in grub to boot into single user mode.  then at the
command prompt:
modprobe -r radeon
modprobe radeon modeset=1 dpm=1

> This is the dmesg from when it worked (with debug on).  I noticed there are
> some HDMI errors; I only have DVI actually hooked up.

You can ignore those.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #135 from Bryan Quigley  ---
Created attachment 86825
  --> https://bugs.freedesktop.org/attachment.cgi?id=86825&action=edit
dmesg when under works due to setting .debug=1

I tried again with the latest rc3 build and it still doesn't work; I had left
changes from comment 94 intact.  Trying to get more information I tried booting
with radeon.modeset=0 radeon.debug=1.  Once I re-loaded the module with dpm,
now it works!  So it works correctly if you set it to debug mode, otherwise I
can't get any logs of the event.  

This is the dmesg from when it worked (with debug on).  I noticed there are
some HDMI errors; I only have DVI actually hooked up.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #134 from Francisco Pina Martins  ---
I just want to add that after upgrading to kernel 3.11.1 (from the -RC2 version
I was using), I have not experienced any more crashes on my RV635. Nothing I
have tried so far has been able to trigger it.
Once again, thank you for all the hard work.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #133 from Eugene  ---
I seems 3.12 RC1 still has not patch for my HD2600.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #132 from Sergey  ---
Created attachment 85936
  --> https://bugs.freedesktop.org/attachment.cgi?id=85936&action=edit
Dmesg for Xorg freeze during video playing.

(In reply to comment #131)
> With latest mesa and libdrm from git it looks much better. (never got same
> issue since update; though maybe just lucky so far)
Just was lucky. Caught same issue again. Maybe 'dmesg' will help a bit.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #131 from Sergey  ---
(In reply to comment #126)
> That's a GPU lock up which may not be related to dpm.  I recently fixed an
> alignment issue with command buffers that may fix these hangs for you. 
> you'll need this patch for libdrm:

With latest mesa and libdrm from git it looks much better. (never got same
issue since update; though maybe just lucky so far)

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #130 from Eugene  ---
Thanks for info. I'll wait to test it.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #129 from Alex Deucher  ---
(In reply to comment #128)
> Recently tried kernel 3.11.1. Still not booting with radeon.dpm=1. Patch
> still isn't there for HD2600 ?

I sent the pull request that contained attachment 85256 to Dave last week so it
will probably be merged to 3.12 at some point this week and them end up in 3.11
sometime later.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #128 from Eugene  ---
Recently tried kernel 3.11.1. Still not booting with radeon.dpm=1. Patch still
isn't there for HD2600 ?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #125 from Sergey  ---
Created attachment 85644
  --> https://bugs.freedesktop.org/attachment.cgi?id=85644&action=edit
Xorg log

Here is Xorg log, but according to timestamps it is only for Xorg, that tried
to restart. Initial error is not seen.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #124 from Sergey  ---
I've noticed, that while watching youtube videos, sometimes (actually rather
often) everything freezes. Looks like Xorg crash. It tries to recover but
screen freezes, though mouse is working and sound (probably everything else is
alive).

Dmesg is flooded with messages:
[drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !
radeon :01:00.0: couldn't schedule ib

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #126 from Alex Deucher  ---
(In reply to comment #124)
> I've noticed, that while watching youtube videos, sometimes (actually rather
> often) everything freezes. Looks like Xorg crash. It tries to recover but
> screen freezes, though mouse is working and sound (probably everything else
> is alive).
> 
> Dmesg is flooded with messages:
> [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !
> radeon :01:00.0: couldn't schedule ib

That's a GPU lock up which may not be related to dpm.  I recently fixed an
alignment issue with command buffers that may fix these hangs for you.  you'll
need this patch for libdrm:
http://cgit.freedesktop.org/mesa/drm/commit/?id=58d008883165ba35c83041fa9ed84937163d5f76
and this patch for mesa:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a81beee37e0dd7b75422448420e8e8b0b4b76c1e

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #127 from Sergey  ---
Thanks, I'll try to check these patches.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #123 from lucky_beta  ---
(In reply to comment #121)
> Hi lucky_beta,
> 
> For me it was not 100% fixed. At the moment with Kernel 3.11 it is ~50%
> chance that system hangs  during boot or the windows are slow.
> It better than it was initially, but the issue is not fully resolved.
> (Don't have white screen issue even without patches)
Thank you for your reply, i will keep an eye on this topic, although i'm a
linux beginner, but if i can do some help except for waiting, just with
pleasure.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #122 from Bryan Quigley  ---
(In reply to comment #116)
> Does disabling any of the dpm features as per comment 94 help?

Nope, still broken.  (although I did get distracted by a hang that was fixed by
the latest drm pull && I thought it was fixed at one point, but it seems I may
have mistyped radeon.dpm.. )

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

gronius  changed:

   What|Removed |Added

   Priority|medium  |high
 CC||d.tut...@googlemail.com

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #121 from Sergey  ---
Hi lucky_beta,

For me it was not 100% fixed. At the moment with Kernel 3.11 it is ~50% chance
that system hangs  during boot or the windows are slow.
It better than it was initially, but the issue is not fully resolved.
(Don't have white screen issue even without patches)

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #120 from lucky_beta  ---
I've read the previous comments carefully and I'm using the ati3470 GPU card
which is the same as "Sergey", also the problem similar, when trying to boot
with "radeon.dmp=1", the screen goes white gradually and just hang there,
sometimes it can boot but the windows respond very slowly. I want to know
whether the problem has been fixed. I just can't find any sure answers from the
comments above.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #115 from Bryan Quigley  ---
(In reply to comment #114)
> 
> What sort of issue are you having?  blank screen?  currupt image?  GPU hang?

Screen goes to powersave when booted with dpm=1.  Still able to ssh in, but
seems frozen from keyboard.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #116 from Alex Deucher  ---
(In reply to comment #115)
> (In reply to comment #114)
> > 
> > What sort of issue are you having?  blank screen?  currupt image?  GPU hang?
> 
> Screen goes to powersave when booted with dpm=1.  Still able to ssh in, but
> seems frozen from keyboard.

Does disabling any of the dpm features as per comment 94 help?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #117 from Eugene  ---
(In reply to comment #113)
> Created attachment 85256 [details] [review]
> add callback for UVD
> 
> Hi Eugene,
> 
> This patch should fix the crash you are seeing.

Will it be in 3.11.1 or 3.12 next Monday ?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #119 from Eugene  ---
Then 3.11.2 ?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #118 from Alex Deucher  ---
(In reply to comment #117)
> 
> Will it be in 3.11.1 or 3.12 next Monday ?

Not likely.  I haven't sent the patch upstream yet.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #114 from Alex Deucher  ---
(In reply to comment #107)

> I'm also having the issue on a 3870/RV670 using Sept4 drm-next (d30645ae
> from Ubuntu's mainline builds) and previous builds.

What sort of issue are you having?  blank screen?  currupt image?  GPU hang?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #113 from Alex Deucher  ---
Created attachment 85256
  --> https://bugs.freedesktop.org/attachment.cgi?id=85256&action=edit
add callback for UVD

Hi Eugene,

This patch should fix the crash you are seeing.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher  changed:

   What|Removed |Added

  Attachment #85253|application/octet-stream|text/plain
  mime type||

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #112 from Eugene  ---
Created attachment 85253
  --> https://bugs.freedesktop.org/attachment.cgi?id=85253&action=edit
dmesg file

Trying to load Radeon driver (for my HD2600XT card) blindly in single user mode
-> dmesg output.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #111 from Eugene  ---
(In reply to comment #106)
> Assuming that works you should have the dmesg.log in the root user directory
> that you can attach here.

Here is my blind result (in attachment).

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #110 from Bryan Quigley  ---
Also, the motherboard has a built-in HD4290 in it, that is BIOS disabled.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #109 from Bryan Quigley  ---
Created attachment 85218
  --> https://bugs.freedesktop.org/attachment.cgi?id=85218&action=edit
3870/RV670 - vbios.rom

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #108 from Bryan Quigley  ---
Created attachment 85217
  --> https://bugs.freedesktop.org/attachment.cgi?id=85217&action=edit
3870/RV670 - kern.log dpm on boot

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #107 from Bryan Quigley  ---
Created attachment 85216
  --> https://bugs.freedesktop.org/attachment.cgi?id=85216&action=edit
3870/RV670 - dmesg manually loading radeon

I'm also having the issue on a 3870/RV670 using Sept4 drm-next (d30645ae from
Ubuntu's mainline builds) and previous builds.

Disabling radeon.aspm=0 also didn't help.  My machine is accessible via SSH so
I can do further debugging.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #106 from Alex Deucher  ---
Assuming that works you should have the dmesg.log in the root user directory
that you can attach here.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #105 from Alex Deucher  ---
(In reply to comment #104)
> with
> > linux   /boot/ radeon.modeset=0 1
> it seems it's booting but I can't see command line - only black screen or
> text line: "kernel booting... bla-bla-bla" and also no command line. Trying
> to enter anything gives nothing. But if a enter "reboot" and press Enter it
> restarts. So it gets the commands but I can't see any display output.

can you blindly type:
modprobe -r radeon
modprobe radeon modeset=1 dpm=1
dmesg > dmesg.log
reboot

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #104 from Eugene  ---
(In reply to comment #103)
> (In reply to comment #102)
> > If you could explain me where is kernel command line (when I'm seeing GRUB
> > menu push "e" or "c"; and if "c" what to do after I entered radeon.modeset=0
> > in there?), I would try it. I'm just a newbie using kubuntu a few months.
> 
> in the grub menu select the kernel you want to boot and press 'e' then move
> to the end of the line that starts:
> linux   /boot/
> and append the options to the end of that line.  e.g.,
>linux   /boot/ radeon.modeset=0 1
> The '1' means boot into single user mode rather than X.
> 
> Also, if you haven't already, try disabling aspm:
>linux   /boot/ radeon.aspm=0 radeon.dpm=1

Thanks for your explanations. Recently tried it. But...:

with
> linux   /boot/ radeon.aspm=0 radeon.dpm=1
still blank screen after starting kernel loading

with
> linux   /boot/ radeon.modeset=0 1
it seems it's booting but I can't see command line - only black screen or text
line: "kernel booting... bla-bla-bla" and also no command line. Trying to enter
anything gives nothing. But if a enter "reboot" and press Enter it restarts. So
it gets the commands but I can't see any display output.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #103 from Alex Deucher  ---
(In reply to comment #102)
> If you could explain me where is kernel command line (when I'm seeing GRUB
> menu push "e" or "c"; and if "c" what to do after I entered radeon.modeset=0
> in there?), I would try it. I'm just a newbie using kubuntu a few months.

in the grub menu select the kernel you want to boot and press 'e' then move to
the end of the line that starts:
linux   /boot/
and append the options to the end of that line.  e.g.,
   linux   /boot/ radeon.modeset=0 1
The '1' means boot into single user mode rather than X.

Also, if you haven't already, try disabling aspm:
   linux   /boot/ radeon.aspm=0 radeon.dpm=1

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #102 from Eugene  ---
If you could explain me where is kernel command line (when I'm seeing GRUB menu
push "e" or "c"; and if "c" what to do after I entered radeon.modeset=0 in
there?), I would try it. I'm just a newbie using kubuntu a few months.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #100 from Alex Deucher  ---
(In reply to comment #99)
> > Also, can you get a copy of the dmesg output from the driver after it loads?
> > Try booting into a non-X runlevel without loading radeon (either blacklist
> > it, or set radeon.modeset=0 on the kernel command line in grub) and then
> > manually load it.  E.g.,
> > modprobe -r radeon
> > modprobe radeon modeset=1 dpm=1
> 
> I'm sorry I don't understand fully how to do this.

boot with `radeon.modeset=0 1` on the kernel command line in grub, then when
the kernel boots to single user mode, reload the radeon module with dpm=1. 
E.g.,

modprobe -r radeon
modprobe radeon modeset=1 dpm=1

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #101 from Alex Deucher  ---
(In reply to comment #96)
> Not so fast fellas. Recently checked 3.11RC7 and DRM-Next (current). The
> result is the same: it still can't boot with my Radeon HD 2600 XT :(

Does disabling aspm help?  `radeon.aspm=0 radeon.dpm=0` on the kernel command
line in grub.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #99 from Eugene  ---
> Can you attach a copy of your vbios?
> 
> (as root)
> (use lspci to get the bus id)
> cd /sys/bus/pci/devices/
> echo 1 > rom
> cat rom > /tmp/vbios.rom
> echo 0 > rom
Yes, here it is, in attachment.

> Also, can you get a copy of the dmesg output from the driver after it loads?
> Try booting into a non-X runlevel without loading radeon (either blacklist
> it, or set radeon.modeset=0 on the kernel command line in grub) and then
> manually load it.  E.g.,
> modprobe -r radeon
> modprobe radeon modeset=1 dpm=1

I'm sorry I don't understand fully how to do this.

> If possible, try and do it over ssh from a second machine so you can still
> access it if you lose the display.
Also there is no possibility to connect to my pc through ssh.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #98 from Eugene  ---
Created attachment 85079
  --> https://bugs.freedesktop.org/attachment.cgi?id=85079&action=edit
Radeon HD2600XT vbios

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #97 from Alex Deucher  ---
(In reply to comment #96)
> Not so fast fellas. Recently checked 3.11RC7 and DRM-Next (current). The
> result is the same: it still can't boot with my Radeon HD 2600 XT :(

Can you attach a copy of your vbios?

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

Also, can you get a copy of the dmesg output from the driver after it loads? 
Try booting into a non-X runlevel without loading radeon (either blacklist it,
or set radeon.modeset=0 on the kernel command line in grub) and then manually
load it.  E.g.,
modprobe -r radeon
modprobe radeon modeset=1 dpm=1

If possible, try and do it over ssh from a second machine so you can still
access it if you lose the display.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #96 from Eugene  ---
Not so fast fellas. Recently checked 3.11RC7 and DRM-Next (current). The result
is the same: it still can't boot with my Radeon HD 2600 XT :(

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #95 from Francisco Pina Martins  ---
After using DPM for a while I car report that it did cause some random crashes.
I never figured out what caused them, and was never able to reproduce them.
However, after having updated mesa to 9.2, I have had no crashes at all, so
that might have solves whatever was causing the issues.
Just tossing in my 0,02€:
"It works!"

Thanks for all the hard work on this one.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alexandre Demers  changed:

   What|Removed |Added

Summary|r600: linux 3.11RC isn't|r600: linux v3.11.0-RC
   |booting with radeon.dpm=1   |isn't booting with
   |option in grub  |radeon.dpm=1 option in grub

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alexandre Demers  changed:

   What|Removed |Added

Summary|r600: linux 3.11RC isn't|r600: linux v3.11.0-RC
   |booting with radeon.dpm=1   |isn't booting with
   |option in grub  |radeon.dpm=1 option in grub

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