[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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Roy  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #53 from Roy  ---
(In reply to René Krell from comment #52)
> Just for the record: I'm now affected by
> https://bugs.freedesktop.org/show_bug.cgi?id=95054 on the same hardware (HP
> ZBook 15 G2). nouveau is freezing in accelerating Plasma 5 Desktop after a
> while.

Thank you for your feedback. We'll discuss the other issues in separate bug
reports.

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--- Comment #52 from René Krell  ---
Just for the record: I'm now affected by
https://bugs.freedesktop.org/show_bug.cgi?id=95054 on the same hardware (HP
ZBook 15 G2). nouveau is freezing in accelerating Plasma 5 Desktop after a
while.

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--- Comment #51 from René Krell  ---
I was also able to reactivate nouveau on a HP ZBook 15 G2, OpenSUSE Tumbleweed
20160530, kernel 4.5.4-1-default and start X and KDE Plasma 5 on it. The patch
seems to work fine.

There are some different issues in several applications, I'll try to address
them separately.

Thank you all.

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--- Comment #50 from vdanj...@free.fr  ---
  Hi,

  As requested, I can confirm that upstream kernel works (in my case, these are
Debian packaged kernels). I cannot tell exactly from which version it works,
but 4.4-rc3 looks possible to me. The Debian bug report
(https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772716) marks it fixed in
the 4.3.1-1 version (i.e. the patch was probably backported to the stable
series)
  Recently (kernel > 4.5.x), the nouveau kernel driver is not automatically
loaded at startup, so I need to run "modprobe nouveau" manually. But this is
another bug that I did not investigate (nor report) for now.

  For me, this bug can be closed.

  Regards,
Vincent

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--- Comment #49 from Roy  ---
(In reply to René Krell from comment #48)
> (In reply to Roy from comment #47)
> > (In reply to René Krell from comment #46)
> > > Will this patches go into the main kernel driver?
> > 
> > It got merged in kernel 4.4-rc3 [1]. Please test and report when successful.
> > 
> > [1] http://lkml.iu.edu/hypermail/linux/kernel/1511.3/03588.html
> 
> There were tow patches mentioned by Ilja:
> -
> http://cgit.freedesktop.org/~darktama/nouveau/commit/
> ?id=fcd74e81e65aee8a2a33bdca3142a5358dac7582 (This got merged as
> "drm/nouveau/bios: return actual size of the buffer retrieved via _ROM").
> - https://bugs.freedesktop.org/show_bug.cgi?id=90626#c24 - removing the fast
> loading option (As far as I understand this one has been also necessary to
> make the HP ZBook 15 work. I can't see this officially. Is it obsolete or
> should just owners of that special hardware apply this patch?)

Comment #45 seems to indicate that the patch carried upstream should be
sufficient to fix this bug, but please test and report when successful.

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--- Comment #48 from René Krell  ---
(In reply to Roy from comment #47)
> (In reply to René Krell from comment #46)
> > Will this patches go into the main kernel driver?
> 
> It got merged in kernel 4.4-rc3 [1]. Please test and report when successful.
> 
> [1] http://lkml.iu.edu/hypermail/linux/kernel/1511.3/03588.html

There were tow patches mentioned by Ilja:
-
http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=fcd74e81e65aee8a2a33bdca3142a5358dac7582
(This got merged as "drm/nouveau/bios: return actual size of the buffer
retrieved via _ROM").
- https://bugs.freedesktop.org/show_bug.cgi?id=90626#c24 - removing the fast
loading option (As far as I understand this one has been also necessary to make
the HP ZBook 15 work. I can't see this officially. Is it obsolete or should
just owners of that special hardware apply this patch?)

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #47 from Roy  ---
(In reply to René Krell from comment #46)
> Will this patches go into the main kernel driver?

It got merged in kernel 4.4-rc3 [1]. Please test and report when successful.

[1] http://lkml.iu.edu/hypermail/linux/kernel/1511.3/03588.html

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--- Comment #46 from René Krell  ---
Will this patches go into the main kernel driver?

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--- Comment #45 from vdanj...@free.fr  ---
The last patch help. I tried it when I upgraded my kernel and I checked it
works.

Without it, nouveau was failing at loading time

With it, I can use my NVidia card together with the Intel one.

Note that I tried the new kernel from Debian (package 4.3-1~exp2), it was less
stable that 4.3-1~exp1. So I removed it, reinstall and repatch the 4.3-1~exp1
Debian kernel.
So, I can also certify that the new patch also works for the previous kernel
where I applied the previous patch

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #44 from Ilia Mirkin  ---
http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=fcd74e81e65aee8a2a33bdca3142a5358dac7582

Does this patch help?

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #43 from René Krell  ---
Just for the record:
I dropped a support question to HP regarding this issue:
http://h30434.www3.hp.com/t5/Notebook-Display-and-Video/ZBook-15-BIOS-and-nouveau-incompatibility/m-p/5334943
The BIOS vendor should probably know this.
Please let me know if there is any inaccuracy in the description.

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--- Comment #41 from vdanj...@free.fr  ---
I just want to report that the fix work also for me :
$ xrandr --listproviders 
Providers: number : 2
Provider 0: id: 0x8d cap: 0xb, Source Output, Sink Output, Sink Offload crtcs:
4 outputs: 3 associated providers: 0 name:Intel
Provider 1: id: 0x66 cap: 0x7, Source Output, Sink Output, Source Offload
crtcs: 4 outputs: 3 associated providers: 0 name:nouveau

I still have ACPI warnings when enabling or disabling the NVidia card but it
seems to work nevertheless:
[23693.512790] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20150818/nsarguments-95)
[23693.513206] ACPI: \_SB_.PCI0.PEGP.DGFX: failed to evaluate _DSM
[23693.513209] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20150818/nsarguments-95)

Thank you very much
  Vincent

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--- Comment #42 from Ben Skeggs  ---
I should be receiving hardware with an issue similar to this during the week. 
Hopefully the cause is the same and I can come up with a fix the lets us keep
the "fast" method, as it saves quite a lot of boot time on (particularly) the
laptop I primarily use :)

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #37 from Ilia Mirkin  ---
(In reply to vdanj...@free.fr from comment #36)
> I suffer from the same bug on HP ZBook. However, with the last Debian kernel
> (ie plain 4.3), I still got an 'error -22' and no "pmu: hw bug workaround
> enabled" log:

You need to manually remove the "fast" acpi method. See my instructions in
comment 24.

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--- Comment #38 from vdanj...@free.fr  ---
Created attachment 119456
  --> https://bugs.freedesktop.org/attachment.cgi?id=119456=edit
acpidump (HP ZBook 15, NVidia GK208GLM [Quadro K610M], BIOS v21/07/2015)

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--- Comment #36 from vdanj...@free.fr  ---
I suffer from the same bug on HP ZBook. However, with the last Debian kernel
(ie plain 4.3), I still got an 'error -22' and no "pmu: hw bug workaround
enabled" log:

$ dmesg | grep nouveau
[0.00] Command line: BOOT_IMAGE=/vmlinuz-4.3.0-trunk-amd64
root=/dev/mapper/eyak-root ro nouveau.config=War00C800_0=1 apparmor=1
security=apparmor quiet
[0.00] Kernel command line: BOOT_IMAGE=/vmlinuz-4.3.0-trunk-amd64
root=/dev/mapper/eyak-root ro nouveau.config=War00C800_0=1 apparmor=1
security=apparmor quiet
[4.459102] nouveau :01:00.0: enabling device ( -> 0003)
[4.459126] nouveau :01:00.0: NVIDIA GK208 (108390a1)
[4.462991] nouveau :01:00.0: bios: version 80.28.52.00.09
[4.462994] nouveau :01:00.0: mxm: BIOS version 3.0
[4.462995] nouveau :01:00.0: bios: unknown ddc map v00
[4.463695] nouveau :01:00.0: devinit: 0xce73[0]: unknown opcode 0x00
[4.463699] nouveau :01:00.0: preinit failed with -22
[4.463718] nouveau: DRM::0080: init failed with -22
[4.464046] nouveau: probe of :01:00.0 failed with error -22

I will put in attachment the result of acpidump on my machine.

  Regards,
Vincent

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--- Comment #40 from Ilia Mirkin  ---
(In reply to vdanj...@free.fr from comment #39)
> I was thinking that the "nouveau.config=War00C800_0=1" workaround was enough
> with a plain 4.3 kernel.

No, that will do nothing for you -- that's only for GK104/GK106/GK107 boards.
Yours is a GK208.

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--- Comment #35 from Ortwin Glück  ---
(In reply to Ilia Mirkin from comment #34)
> Hmmm... did you see a "hw bug workaround enabled" line? Are you using Linux
> 4.3? [4.2 and older didn't have the workaround logic.]

Ok works fine in 4.3!

$ dmesg | grep workaround
[4.082516] nouveau :01:00.0: pmu: hw bug workaround enabled
[4.194475] nouveau :01:00.0: pmu: hw bug workaround enabled

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--- Comment #20 from Ilia Mirkin  ---
(In reply to René from comment #18)
> (In reply to Ilia Mirkin from comment #17)
> > Could one of you post an acpidump from the laptop? Specifically interested
> > in how the _ROM method is defined.
> 
> I can do that. Just two questions:
> - Can I leave the native nvidia driver loaded (my workaround for the broken
> nouveau driver) when running acpidump or do I have to uninstall it an
> reactivate nouveau for this?

Running blob is fine, the ACPI tables are invariant of anything the OS does.

> - Some special command line options to acpidump?

Just run 'acpidump' and save the output (e.g. acpidump > zbook15.acpi)

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--- Comment #18 from René  ---
(In reply to Ilia Mirkin from comment #17)
> Could one of you post an acpidump from the laptop? Specifically interested
> in how the _ROM method is defined.

I can do that. Just two questions:
- Can I leave the native nvidia driver loaded (my workaround for the broken
nouveau driver) when running acpidump or do I have to uninstall it an
reactivate nouveau for this?
- Some special command line options to acpidump?

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--- Comment #22 from René  ---
Created attachment 119334
  --> https://bugs.freedesktop.org/attachment.cgi?id=119334=edit
acpidump (HP ZBook 15, nVidia GK208GLM [Quadro K610M], BIOS v31/03/2015)

Ok, here you are. There is already another acpidump.

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--- Comment #19 from Ortwin Glück  ---
Created attachment 119333
  --> https://bugs.freedesktop.org/attachment.cgi?id=119333=edit
acpidump -b

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--- Comment #21 from Ilia Mirkin  ---
(In reply to Ortwin Glück from comment #19)
> Created attachment 119333 [details]
> acpidump -b

Sorry, I don't know what to do this. Can you get me the output without -b?
These utilities are very finicky. Really I want to read the _ROM function and
maybe a few others... normally I do acpidump, then acpixtract, then iasl -d.
These tools don't like your output.

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Ortwin Glück  changed:

   What|Removed |Added

 Attachment #119333|0   |1
is obsolete||

--- Comment #23 from Ortwin Glück  ---
Created attachment 119336
  --> https://bugs.freedesktop.org/attachment.cgi?id=119336=edit
acpidump (HP ZBook 15, nVidia GK106GLM [Quadro K2100M], BIOS v08/13/2014)

OK, here hexdump version. Slightly different hardware than René's.

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--- Comment #24 from Ilia Mirkin  ---
Looks like this bios hard-codes a 4K return size for each bios chunk fetch.
There is a "fast" and a "slow" method in nouveau... the fast one grabs it all
in one go, while the "slow" one does it 4K at a time.

In drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c, try commenting out the
line

{ 0, _acpi_fast },

For some reason we're not detecting that it's fetching a bad bios...

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--- Comment #27 from René Krell  ---
(In reply to Ilia Mirkin from comment #26)
> FTR, the _ROM function from both dumps (same thing):
> ...
>  0x00   
> /* . */
> ...

Shouldn't this be also reported to HP? What do you think?

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--- Comment #30 from Ilia Mirkin  ---
(In reply to Ilia Mirkin from comment #28)
> (In reply to René Krell from comment #27)
> > (In reply to Ilia Mirkin from comment #26)
> > > FTR, the _ROM function from both dumps (same thing):
> > > ...
> > >  0x00 
> > >   
> > > /* . */
> > > ...
> > 
> > Shouldn't this be also reported to HP? What do you think?
> 
> This bit is fine, it handles the out-of-bounds case. The sad bit is
> 
> OperationRegion (OROM, SystemMemory, Local0, 0x1000)
> 
> Which hard-codes a 4K-sized region instead of taking it from Arg1. Feel free
> to give your contact at HP a call :)

Actually judging from the comments in nouveau, the spec calls for precisely the
behavior they implement. However most manufacturers just expose the full bios
anyways, not a 4K-sized chunk.

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--- Comment #33 from Ortwin Glück  ---
(In reply to Ilia Mirkin from comment #32)
> nouveau.config=War00C800_0=1

Doesn't help, but don't worry now - different issue.

> The old code was able to make the fallback just fine, apparently (since it
> broke when the rewrite happened).

True. I think the fast/slow versions were also present in the old code.

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--- Comment #28 from Ilia Mirkin  ---
(In reply to René Krell from comment #27)
> (In reply to Ilia Mirkin from comment #26)
> > FTR, the _ROM function from both dumps (same thing):
> > ...
> >  0x00   
> > /* . */
> > ...
> 
> Shouldn't this be also reported to HP? What do you think?

This bit is fine, it handles the out-of-bounds case. The sad bit is

OperationRegion (OROM, SystemMemory, Local0, 0x1000)

Which hard-codes a 4K-sized region instead of taking it from Arg1. Feel free to
give your contact at HP a call :)

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--- Comment #29 from René Krell  ---
(In reply to Ilia Mirkin from comment #28)
> ... Feel free to give your contact at HP a call :)

I will refer to this issue to not spread rumours :-)

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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https://bugs.freedesktop.org/show_bug.cgi?id=90626

--- Comment #31 from Ortwin Glück  ---
The delays during boot are not caused by the bios shadow code but by this:
[5.878439] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en: 1,
ctxsw: 0, busy: 1)
[7.877714] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en: 1,
ctxsw: 0, busy: 1)
[9.876992] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en: 1,
ctxsw: 0, busy: 1)
[   11.876268] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en: 1,
ctxsw: 0, busy: 1)

So I think you could simply scrap the "fast" version and always use the 4K
"slow" version for compatibility.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #25 from Ortwin Glück  ---
Yes that fixes it for me. Tested with 4.3.0-rc6.
The slow version really is slower and causes a noticable delay during booting,
but I don't really mind: work laptop boots only once a day.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #26 from Ilia Mirkin  ---
FTR, the _ROM function from both dumps (same thing):

Method (_ROM, 2, NotSerialized)  // _ROM: Read-Only Memory
{
Local0 += Arg0 = (VRMB (0x04) + Local0)
Local1 = (VRMS () - 0x04)
If ((Arg0 < Local1))
{
OperationRegion (OROM, SystemMemory, Local0, 0x1000)
Field (OROM, AnyAcc, NoLock, Preserve)
{
R4KB,   32768
}

Return (R4KB) /* \_SB_.PCI0.PEGP.DGFX._ROM.R4KB */
}
Else
{
Local0 = Buffer (0x01)
{
 0x00
/* . */
}
Return (Local0)
}
}

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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https://bugs.freedesktop.org/show_bug.cgi?id=90626

--- Comment #32 from Ilia Mirkin  ---
(In reply to Ortwin Glück from comment #31)
> The delays during boot are not caused by the bios shadow code but by this:
> [5.878439] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en:
> 1, ctxsw: 0, busy: 1)
> [7.877714] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en:
> 1, ctxsw: 0, busy: 1)
> [9.876992] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en:
> 1, ctxsw: 0, busy: 1)
> [   11.876268] nouveau E[  PGRAPH][:01:00.0] wait for idle timeout (en:
> 1, ctxsw: 0, busy: 1)

Try

nouveau.config=War00C800_0=1

which will enable yet-another workaround.

> 
> So I think you could simply scrap the "fast" version and always use the 4K
> "slow" version for compatibility.

The old code was able to make the fallback just fine, apparently (since it
broke when the rewrite happened). The new code should fall back as well, but...
doesn't. Very odd.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #34 from Ilia Mirkin  ---
(In reply to Ortwin Glück from comment #33)
> (In reply to Ilia Mirkin from comment #32)
> > nouveau.config=War00C800_0=1
> 
> Doesn't help, but don't worry now - different issue.

Hmmm... did you see a "hw bug workaround enabled" line? Are you using Linux
4.3? [4.2 and older didn't have the workaround logic.]

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #17 from Ilia Mirkin  ---
Could one of you post an acpidump from the laptop? Specifically interested in
how the _ROM method is defined.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #15 from René  ---
Update: The nouveau driver still doesn't work on my ZBook 15 using kernel
4.2.3.
There has been a refactoring of the Nouveau source code in 4.3, but the
relevant files seems to be left untouched.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #16 from Ilia Mirkin  ---
*** Bug 91402 has been marked as a duplicate of this bug. ***

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel >= 4.1

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--- Comment #14 from vdanj...@free.fr  ---
Any progress on this bug? Any missing information?

I still get the same thing on a HP ZBook 15, too:

août 30 23:33:05 eyak kernel: nouveau :01:00.0: enabling device (0004 ->
0007)
août 30 23:33:05 eyak kernel: nouveau  [  DEVICE][:01:00.0] BOOT0  :
0x108390a1
août 30 23:33:05 eyak kernel: nouveau  [  DEVICE][:01:00.0] Chipset: GK208
(NV108)
août 30 23:33:05 eyak kernel: nouveau  [  DEVICE][:01:00.0] Family : NVE0
août 30 23:33:05 eyak kernel: nouveau  [   VBIOS][:01:00.0] using image
from ACPI
août 30 23:33:05 eyak kernel: nouveau  [   VBIOS][:01:00.0] BIT signature
found
août 30 23:33:05 eyak kernel: nouveau  [   VBIOS][:01:00.0] version
80.28.52.00.09
août 30 23:33:05 eyak kernel: nouveau W[   VBIOS][:01:00.0] DCB header
validation failed
août 30 23:33:05 eyak kernel: nouveau W[   VBIOS][:01:00.0] DCB header
validation failed
août 30 23:33:05 eyak kernel: nouveau  [ DEVINIT][:01:00.0] adaptor not
initialised
août 30 23:33:05 eyak kernel: nouveau  [   VBIOS][:01:00.0] running init
tables
août 30 23:33:05 eyak kernel: nouveau E[   VBIOS][:01:00.0] 0xd075[0]:
unknown opcode 0xb1
août 30 23:33:05 eyak kernel: nouveau E[ DEVINIT][:01:00.0] init failed,
-22
août 30 23:33:05 eyak kernel: nouveau E[ DRM] failed to create 0x0080,
-22
août 30 23:33:05 eyak kernel: nouveau: probe of :01:00.0 failed with error
-22

Note that the "0xd075[0]: unknown opcode 0xb1" varies. The previous boot had
"0xce73[0]: unknown opcode 0x00"
And I did not upgrade the BIOS nor the kernel (4.2.0-rc8 from Debian).

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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https://bugs.freedesktop.org/show_bug.cgi?id=90626

Jeremy Huddleston jerem...@freedesktop.org changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=91779

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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vdanj...@free.fr vdanjean...@free.fr changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=91402

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #11 from René renda.kr...@gmail.com ---
I attached also vbios.rom and boot.msg for kernel 3.18.10, which is the most
recent working kernel version I currently know for this hardware.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #12 from Ilia Mirkin imir...@alum.mit.edu ---
In the future, please avoid gzippling logs. That makes me have to download them
instead of being able to read them via the web interface.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #1 from René renda.kr...@gmail.com ---
For completeness I just got to mention another time (because it has been
mentioned in another issue):
The nouveau driver worked _before_ kernel 3.19.x on the same hardware and
stopped to work beginning from 3.19.x.
The problem reported in this issue applies to the kernel after commit
4195f40685a5f2783b4decece13ed740b61ee038.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #4 from Ilia Mirkin imir...@alum.mit.edu ---
(In reply to René from comment #3)
 Alright, trying to break it down regarding HP ZBook 15 and the nouveau
 driver:
 - I'm currently on 3.16.7 and have a working nouveau driver. I will provide
 the needed attachments for exactly that one.
 - Kernel 3.18: This is last working kernel I found.
 - Kernel 3.19: The issue #89047 git introduced, which I could reproduce, and
 which has been apparently fixed by Ben in commit
 4195f40685a5f2783b4decece13ed740b61ee038. I mentioned it just to ensure this
 report here is not the same issue to not mark it duplicate.
 - Kernel 4.1 RC4: This is a kernel definitely containing the fix committed
 above and therefore the next stage to be tested for me. In kernel 4.1 RC4 I
 get the problem reported here, which is different from that in issue #89047.

Right, I realize it's a different issue... but could have been caused by the
same commit :)

Assuming nothing obvious comes to mind when you post the other info, doing a
bisect between 3.18 and 3.19 will be the surest way to get this resolved.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #8 from René renda.kr...@gmail.com ---
Can I provide something else or help somehow? I'm not a nouveau driver expert,
but I can help in testing and reproducing, just need a HOWTO from some points
:-)

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #2 from Ilia Mirkin imir...@alum.mit.edu ---
(In reply to René from comment #1)
 For completeness I just got to mention another time (because it has been
 mentioned in another issue):
 The nouveau driver worked _before_ kernel 3.19.x on the same hardware and
 stopped to work beginning from 3.19.x.

Did you mean for one of those version numbers to be different? Can you bisect
between a working and non-working kernel to identify the issue? (Is it the same
commit as pointed out in #89047?) Please post logs from a working kernel, as
well as your VBIOS image (/sys/kernel/debug/dri/0/vbios.rom from a successful
nouveau load).

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #6 from René renda.kr...@gmail.com ---
Created attachment 116048
  -- https://bugs.freedesktop.org/attachment.cgi?id=116048action=edit
/var/log/boot.msg on kernel 3.16.7

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #7 from Ilia Mirkin imir...@alum.mit.edu ---
Interesting. So the VBIOS you uploaded has:

0xce73: 71 DONE

However the error print from the more recent kernel says unknown opcode 0xff.
That means it's getting read in wrong somehow.

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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--- Comment #3 from René renda.kr...@gmail.com ---
Alright, trying to break it down regarding HP ZBook 15 and the nouveau driver:
- I'm currently on 3.16.7 and have a working nouveau driver. I will provide the
needed attachments for exactly that one.
- Kernel 3.18: This is last working kernel I found.
- Kernel 3.19: The issue #89047 git introduced, which I could reproduce, and
which has been apparently fixed by Ben in commit
4195f40685a5f2783b4decece13ed740b61ee038. I mentioned it just to ensure this
report here is not the same issue to not mark it duplicate.
- Kernel 4.1 RC4: This is a kernel definitely containing the fix committed
above and therefore the next stage to be tested for me. In kernel 4.1 RC4 I get
the problem reported here, which is different from that in issue #89047.

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--- Comment #10 from René renda.kr...@gmail.com ---
Created attachment 116051
  -- https://bugs.freedesktop.org/attachment.cgi?id=116051action=edit
/var/log/boot.msg on kernel 3.18.10

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--- Comment #9 from René renda.kr...@gmail.com ---
Created attachment 116049
  -- https://bugs.freedesktop.org/attachment.cgi?id=116049action=edit
/sys/kernel/debug/dri/0/vbios.rom loaded from kernel 3.18.10

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[Nouveau] [Bug 90626] HP ZBook 15 nouveau driver hangup for kernel = 4.1

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René renda.kr...@gmail.com changed:

   What|Removed |Added

 Attachment #116049|/sys/kernel/debug/dri/0/vbi |/sys/kernel/debug/dri/0/vbi
description|os.rom loaded from kernel   |os.rom loaded on kernel
   |3.18.10 |3.18.10

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--- Comment #13 from René renda.kr...@gmail.com ---
Created attachment 116053
  -- https://bugs.freedesktop.org/attachment.cgi?id=116053action=edit
/var/log/boot.omsg on kernel 4.1rc4

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René renda.kr...@gmail.com changed:

   What|Removed |Added

Summary|HP ZBook 15 nouveau driver  |HP ZBook 15 nouveau driver
   |hangup for kernel = 3.19   |hangup for kernel = 4.1

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