* [Bug 91523] [NVE7] driver cannot initialize gpu(failed to parse ramcfg data)
[not found] ` <bug-91523-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
@ 2015-08-01 17:16 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2015-08-01 20:55 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2015-08-01 17:16 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=91523
--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Relevant bits:
[ 3.766892] nouveau D[ PFB][0000:01:00.0] 0x100800: 0x00000002
[ 3.766892] nouveau D[ PFB][0000:01:00.0] parts 0x00000002 mask
0x00000000
[ 3.766900] nouveau D[ PFB][0000:01:00.0] 0: mem_amount 0x00000400
[ 3.766902] nouveau D[ PFB][0000:01:00.0] 1: mem_amount 0x00000400
[ 3.766913] nouveau E[ PFB][0000:01:00.0] failed to parse ramcfg data
[ 3.766914] nouveau E[ PFB][0000:01:00.0] failed to create 0x00000000,
-22
[ 3.766915] nouveau ![ PFB][0000:01:00.0] error detecting memory
configuration!!
[ 3.766916] nouveau E[ DEVICE][0000:01:00.0] failed to create 0x1000e00b,
-22
Could you attach your vbios.rom from a successful boot
(/sys/kernel/debug/dri/1/vbios.rom)
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* [Bug 91523] [NVE7] driver cannot initialize gpu(failed to parse ramcfg data)
[not found] ` <bug-91523-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2015-08-01 17:16 ` [Bug 91523] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2015-08-01 20:55 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2016-04-17 17:45 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2015-08-01 20:55 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=91523
--- Comment #2 from Ilia Bozhinov <iliyabo-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org> ---
Created attachment 117483
--> https://bugs.freedesktop.org/attachment.cgi?id=117483&action=edit
vbios.rom
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* [Bug 91523] [NVE7] driver cannot initialize gpu(failed to parse ramcfg data)
[not found] ` <bug-91523-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2015-08-01 17:16 ` [Bug 91523] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2015-08-01 20:55 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2016-04-17 17:45 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2016-04-18 17:17 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2016-04-17 17:45 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=91523
--- Comment #3 from Ilia Bozhinov <iliyabo-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org> ---
It seems that the code that triggers this bug is in
drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.cpp around line 1583. It seems
that the assumption in the comment is not true, on my card this condition
obviously doesn't mean that the card should be ignored completely. This maybe
has some other meaning, does anybody know how I can help debugging the problem?
I'm posting the comment in the code:
/* parse bios data for all rammap table entries up-front, and
* build information on whether certain fields differ between
* any of the entries.
*
* the binary driver appears to completely ignore some fields
* when all entries contain the same value. at first, it was
* hoped that these were mere optimisations and the bios init
* tables had configured as per the values here, but there is
* evidence now to suggest that this isn't the case and we do
* need to treat this condition as a "don't touch" indicator.
*/
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* [Bug 91523] [NVE7] driver cannot initialize gpu(failed to parse ramcfg data)
[not found] ` <bug-91523-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (2 preceding siblings ...)
2016-04-17 17:45 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2016-04-18 17:17 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-11-22 20:43 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2016-04-18 17:17 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=91523
--- Comment #4 from Ilia Bozhinov <iliyabo-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org> ---
I tested a kernel build with the relevant code commented(right after the
comment I posted) and indeed the kernel module works! (it loads and DRI_PRIME=1
allows me to run glxgears/glxinfo). What is more, now I get better power
savings because when driver is loaded vgaswitcheroo can turn off the nvidia
card.
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* [Bug 91523] [NVE7] driver cannot initialize gpu(failed to parse ramcfg data)
[not found] ` <bug-91523-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (3 preceding siblings ...)
2016-04-18 17:17 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2017-11-22 20:43 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-11-22 22:57 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2019-12-04 9:02 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2017-11-22 20:43 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=91523
--- Comment #5 from default_357-line-LWAfsSFWpa4@public.gmane.org ---
I still get this error in 4.14.1. Same laptop, same vbios.rom. If I comment out
the "return ret" in
https://github.com/torvalds/linux/blob/master/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c#L1577,
it boots and runs 3d acceleration with xrandr offload, but cannot reclock
successfully.
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* [Bug 91523] [NVE7] driver cannot initialize gpu(failed to parse ramcfg data)
[not found] ` <bug-91523-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (4 preceding siblings ...)
2017-11-22 20:43 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2017-11-22 22:57 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2019-12-04 9:02 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2017-11-22 22:57 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=91523
--- Comment #6 from FeepingCreature <default_357-line-LWAfsSFWpa4@public.gmane.org> ---
Looking at envytools' nvbios decode, given ramcfg=1, the first entry of the
timing mapping table (0x718f) has a value of 0xf at index 1, offset 0. This is
taken as index into the timing table (0x733c); however, the timing table only
defines 12 entries, and only six of them are nonzero.
If I simply skip entry 0, reclocking works fine. Maybe that's what 0x0f
indicates?
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* [Bug 91523] [NVE7] driver cannot initialize gpu(failed to parse ramcfg data)
[not found] ` <bug-91523-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (5 preceding siblings ...)
2017-11-22 22:57 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2019-12-04 9:02 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2019-12-04 9:02 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=91523
Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
--- Comment #7 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
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