[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

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https://bugs.freedesktop.org/show_bug.cgi?id=93557

Martin Peres  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |MOVED

--- Comment #12 from Martin Peres  ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/246.

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

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https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #11 from xgfwt...@sharklasers.com ---
Can some developer please finally help with fixing this?

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #10 from mirh  ---
Created attachment 140859
  --> https://bugs.freedesktop.org/attachment.cgi?id=140859=edit
One taken with steps on the ubuntu page, the other with those from kernel docs

My traces, from manjaro with kernel 4.14 and nvidia 304.137

Mesa 18.1 isn't indeed causing kernel panics, but that MMIO fault error is
everywhere

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #9 from xgfwt...@sharklasers.com ---
The MMIO Trace took me one day to find out how to create it. Would be great to
hear if it was usefll

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #8 from kisame...@gmail.com ---
System: Arch Linux with linux 4.8.4 and xf86-video-nouveau 1.0.13.
Same problem as above.Kernel crashes after spamming MMIO write fault errors.

Interestingly, problem goes away with kernel parameter "nouveau.noaccel=1".
Of course this means no 2D acceleration.

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #7 from xgfwt...@sharklasers.com ---
Created attachment 121076
  --> https://bugs.freedesktop.org/attachment.cgi?id=121076=edit
mmiotrace nvidia 304.131 driver on ubuntu 14.04.3

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #6 from Ben Skeggs  ---
(In reply to xgfwtvdh from comment #5)
> They are REDLINED in dmesg. More/bigger warning is not possible for the
> users.
> It were something like a big red flashing "WARNING, MOTOR FAILURE" on the
> Screen of your car and then someone would say "nah, that warning is just
> fine, ignore it".
> 
> I would like to help fixing them by testing something when you need me
> testing something.

If you can get a mmiotrace[1] of the binary driver, that might be useful.

Thanks,
Ben.

[1] http://nouveau.freedesktop.org/wiki/MmioTrace/

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #3 from xgfwt...@sharklasers.com ---
The bug is half solved!
I compiled a new kernel image. I did not get the kernel panic any more but
still get the full dmesg full of errors like:

[ 1059.265197] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b020
[ 1059.265516] nouveau :00:0d.0: bus: MMIO write of 010d0001 FAULT at
00b010
[ 1060.724984] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b010
[ 1060.847845] nouveau :00:0d.0: bus: MMIO write of 010a0001 FAULT at
00b010
[ 1060.848340] nouveau :00:0d.0: bus: MMIO write of 010c0001 FAULT at
00b020
[ 1061.073132] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b010
[ 1061.073350] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b020
[ 1061.265858] nouveau :00:0d.0: bus: MMIO write of 01890001 FAULT at
00b010
[ 1061.266331] nouveau :00:0d.0: bus: MMIO write of 018c0001 FAULT at
00b020
[ 1061.266954] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b010
[ 1068.679841] nouveau :00:0d.0: bus: MMIO write of 01890001 FAULT at
00b010
[ 1068.691605] nouveau :00:0d.0: bus: MMIO write of 018b0001 FAULT at
00b030
[ 1069.007856] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b010
[ 1069.008076] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b030
[ 1069.009128] nouveau :00:0d.0: bus: MMIO write of 0421 FAULT at
00b010
[ 1071.267098] nouveau :00:0d.0: bus: MMIO write of 01890001 FAULT at
00b030
[ 1071.267686] nouveau :00:0d.0: bus: MMIO write of 018b0001 FAULT at
00b040
[ 1075.811130] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b030
[ 1075.811472] nouveau :00:0d.0: bus: MMIO write of  FAULT at
00b040

Could you quickly push the fix that is already done to solve the kernel panic
in kernel 4.4 before it gets stable?

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #4 from Ilia Mirkin  ---
(In reply to xgfwtvdh from comment #3)
> The bug is half solved!
> I compiled a new kernel image. I did not get the kernel panic any more but
> still get the full dmesg full of errors like:
> 
> [ 1059.265197] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b020
> [ 1059.265516] nouveau :00:0d.0: bus: MMIO write of 010d0001 FAULT at
> 00b010
> [ 1060.724984] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b010
> [ 1060.847845] nouveau :00:0d.0: bus: MMIO write of 010a0001 FAULT at
> 00b010
> [ 1060.848340] nouveau :00:0d.0: bus: MMIO write of 010c0001 FAULT at
> 00b020
> [ 1061.073132] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b010
> [ 1061.073350] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b020
> [ 1061.265858] nouveau :00:0d.0: bus: MMIO write of 01890001 FAULT at
> 00b010
> [ 1061.266331] nouveau :00:0d.0: bus: MMIO write of 018c0001 FAULT at
> 00b020
> [ 1061.266954] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b010
> [ 1068.679841] nouveau :00:0d.0: bus: MMIO write of 01890001 FAULT at
> 00b010
> [ 1068.691605] nouveau :00:0d.0: bus: MMIO write of 018b0001 FAULT at
> 00b030
> [ 1069.007856] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b010
> [ 1069.008076] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b030
> [ 1069.009128] nouveau :00:0d.0: bus: MMIO write of 0421 FAULT at
> 00b010
> [ 1071.267098] nouveau :00:0d.0: bus: MMIO write of 01890001 FAULT at
> 00b030
> [ 1071.267686] nouveau :00:0d.0: bus: MMIO write of 018b0001 FAULT at
> 00b040
> [ 1075.811130] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b030
> [ 1075.811472] nouveau :00:0d.0: bus: MMIO write of  FAULT at
> 00b040

These are unrelated and should be nothing to worry about.

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #5 from xgfwt...@sharklasers.com ---
They are REDLINED in dmesg. More/bigger warning is not possible for the users.
It were something like a big red flashing "WARNING, MOTOR FAILURE" on the
Screen of your car and then someone would say "nah, that warning is just fine,
ignore it".

I would like to help fixing them by testing something when you need me testing
something.

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #2 from Ben Skeggs  ---
This commit should fix the oops:

https://github.com/skeggsb/nouveau/commit/b09b9c5b0f84a84d6ef99d999428042cbab93473

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[Nouveau] [Bug 93557] Kernel Panic on Linux Kernel 4.4 when loading KDE/KDM on Nvidia GeForce 7025 / nForce 630a

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=93557

--- Comment #1 from xgfwt...@sharklasers.com ---
Reading symbols from
/lib/modules/4.4.0-rc6-amd64/kernel/drivers/gpu/drm/nouveau/nouveau.ko...(no
debugging symbols found)...done.
(gdb) disassemble nv40_gr_intr
Dump of assembler code for function nv40_gr_intr:
   0x000712c0 <+0>:callq  0x712c5 
   0x000712c5 <+5>:push   %r15
   0x000712c7 <+7>:push   %r14
   0x000712c9 <+9>:push   %r13
   0x000712cb <+11>:push   %r12
   0x000712cd <+13>:push   %rbp
   0x000712ce <+14>:push   %rbx
   0x000712cf <+15>:mov%rdi,%rbx
   0x000712d2 <+18>:lea0x58(%rbx),%r13
   0x000712d6 <+22>:sub$0x208,%rsp
   0x000712dd <+29>:mov0x18(%rdi),%r14
   0x000712e1 <+33>:mov%gs:0x28,%rax
   0x000712ea <+42>:mov%rax,0x200(%rsp)
   0x000712f2 <+50>:xor%eax,%eax
   0x000712f4 <+52>:mov0x80(%r14),%rax
   0x000712fb <+59>:lea0x400100(%rax),%rdi
   0x00071302 <+66>:callq  0x71307 
   0x00071307 <+71>:mov%eax,%r12d
   0x0007130a <+74>:mov0x80(%r14),%rax
   0x00071311 <+81>:lea0x400108(%rax),%rdi
   0x00071318 <+88>:callq  0x7131d 
   0x0007131d <+93>:mov%eax,0x58(%rsp)
   0x00071321 <+97>:mov0x80(%r14),%rax
   0x00071328 <+104>:lea0x400104(%rax),%rdi
   0x0007132f <+111>:callq  0x71334 
   0x00071334 <+116>:mov%eax,0x5c(%rsp)
   0x00071338 <+120>:mov0x80(%r14),%rax
   0x0007133f <+127>:lea0x40032c(%rax),%rdi
   0x00071346 <+134>:callq  0x7134b 
   0x0007134b <+139>:and$0xf,%eax
   0x00071350 <+144>:mov%eax,%r15d
   0x00071353 <+147>:mov0x80(%r14),%rax
   0x0007135a <+154>:lea0x400704(%rax),%rdi
   0x00071361 <+161>:callq  0x71366 
   0x00071366 <+166>:mov%eax,0x60(%rsp)
   0x0007136a <+170>:mov%eax,%ebp
   0x0007136c <+172>:mov0x80(%r14),%rax
   0x00071373 <+179>:and$0x7,%ebp
   0x00071379 <+185>:shr$0x10,%ebp
   0x0007137c <+188>:lea0x400708(%rax),%rdi
   0x00071383 <+195>:mov%ebp,0x64(%rsp)
   0x00071387 <+199>:callq  0x7138c 
   0x0007138c <+204>:lea0x400160(,%rbp,4),%edi
   0x00071393 <+211>:add0x80(%r14),%rdi
   0x0007139a <+218>:mov%eax,0x68(%rsp)
   0x0007139e <+222>:callq  0x713a3 
   0x000713a3 <+227>:mov%r13,%rdi
   0x000713a6 <+230>:mov%eax,0x6c(%rsp)
   0x000713aa <+234>:callq  0x713af 
   0x000713af <+239>:mov%rax,0x50(%rsp)
   0x000713b4 <+244>:mov0x68(%rbx),%rax
   0x000713b8 <+248>:lea0x68(%rbx),%rsi
   0x000713bc <+252>:cmp%rsi,%rax
---Type  to continue, or q  to quit---
   0x000713bf <+255>:je 0x713fd 
   0x000713c1 <+257>:mov-0x8(%rax),%edx
   0x000713c4 <+260>:lea-0x88(%rax),%rbp
   0x000713cb <+267>:shr$0x4,%edx
   0x000713ce <+270>:cmp%edx,%r15d
   0x000713d1 <+273>:jne0x713e7 
   0x000713d3 <+275>:jmpq   0x715c2 
   0x000713d8 <+280>:mov-0x8(%rdx),%edx
   0x000713db <+283>:shr$0x4,%edx
   0x000713de <+286>:cmp%edx,%r15d
   0x000713e1 <+289>:je 0x715c2 
   0x000713e7 <+295>:mov0x88(%rbp),%rdx
   0x000713ee <+302>:cmp%rsi,%rdx
   0x000713f1 <+305>:lea-0x88(%rdx),%rbp
   0x000713f8 <+312>:mov%rdx,%rax
   0x000713fb <+315>:jne0x713d8 
   0x000713fd <+317>:xor%ebp,%ebp
   0x000713ff <+319>:test   $0x10,%r12d
   0x00071406 <+326>:je 0x7158a 
   0x0007140c <+332>:testl  $0x1,0x58(%rsp)
   0x00071414 <+340>:jne0x715ef 
   0x0007141a <+346>:mov0x80(%r14),%rax
   0x00071421 <+353>:mov%r12d,%edi
   0x00071424 <+356>:lea0x400100(%rax),%rsi
   0x0007142b <+363>:callq  0x71430 
   0x00071430 <+368>:mov0x80(%r14),%rsi
   0x00071437 <+375>:mov$0x1,%edi
   0x0007143c <+380>:add$0x400720,%rsi
   0x00071443 <+387>:callq  0x71448