[Bug 91738] New: xf86-video-nouveau 1.0.11 will not allow X to start

[Bug 91738] New: xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

            Bug ID: 91738
           Summary: xf86-video-nouveau 1.0.11 will not allow X to start
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 117881
  --> https://bugs.freedesktop.org/attachment.cgi?id=117881&action=edit
dmesg_before_startx

Host machine is Slackware64-current.

- xf86-video-nouveau 1.0.11
- xorg-server 1.17.2
- Linux 4.1.6

X is unable to start from what appears to be a block by nouveau. Blacklisting
nouveau in /etc/modprobe.d/nouveau.conf like so:

    blacklist nouveau

results in a kernel panic. See attached dmesg and Xorg.0.log. Forgive me if I
am reporting this bug in the wrong place.

Thank you.


dmesg:
http://sprunge.us/fNHi

Xorg.0.log
http://sprunge.us/XhRO

dmesg after startx:
http://sprunge.us/gEdV

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[Bug 91738] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #1 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Created attachment 117882
  --> https://bugs.freedesktop.org/attachment.cgi?id=117882&action=edit
Xorg log

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[Bug 91738] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #2 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Created attachment 117883
  --> https://bugs.freedesktop.org/attachment.cgi?id=117883&action=edit
dmesg_after_startx

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[Bug 91738] [VN117] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|xf86-video-nouveau 1.0.11   |[VN117] xf86-video-nouveau
                   |will not allow X to start   |1.0.11 will not allow X to
                   |                            |start

--- Comment #3 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
What is this -- xcmddc ? I suspect it's not helping.

But actually your problem is due to xf86-video-intel built against a recent
libdrm version. You either need a patch, or to downgrade libdrm below 2.4.60.
The intel ddx patch is available at
http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=7fe2b2948652443ff43d907855bd7a051d54d309

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[Bug 91738] [NV117] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[VN117] xf86-video-nouveau  |[NV117] xf86-video-nouveau
                   |1.0.11 will not allow X to  |1.0.11 will not allow X to
                   |start                       |start

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[Bug 91738] [NV117] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #4 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
By the way, for the xcmddc issue, it may be helpful if you could provide your
vbios (available at /sys/kernel/debug/dri/0/vbios.rom).

But Xorg is crashing most likely because of intel, which you need to rebuild
against an older libdrm (or rebuild with the patch I linked to).

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[Bug 91738] [NV117] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #5 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Thank you Ilia! I will try that patch.

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[Bug 91738] [NV117] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

[-- Attachment #1.1: Type: text/plain, Size: 1032 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=91738

ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> changed:

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

--- Comment #6 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Upgrading xf86-video-intel did the trick! Thank you Ilia. Although on my first
reboot X would not start. It was a hard lockup (I was unable to get to another
tty).

After forcing a reboot with the power button, I was able to start X on the next
boot. I don't know if there is a relevant bug somewhere, but I will provide the
necessary logs in case someone can make sense of them.

Thank you!


dmesg:
http://sprunge.us/ZSeG

Xorg.0.log.old:
http://sprunge.us/aGQM

Xorg.0.log:
http://sprunge.us/GEZK

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[Bug 91738] [NV117] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #7 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Looks like you still have the same failure from xcmddc. IMO it's worth
investigating/fixing. Will need your vbios though, as I mentioned before.

[    8.700223] BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
[    8.700262] IP: [<ffffffffc0a3ca10>] nvkm_i2c_try_acquire_pad+0x40/0x80
[nouveau]
[    8.700265] PGD 2eb8067 PUD 2f1c067 PMD 0 
[    8.700269] Oops: 0000 [#1] SMP 
[    8.700313] Modules linked in: snd_hda_codec_hdmi snd_hda_intel
snd_hda_controller snd_hda_codec snd_hda_core snd_hwdep joydev snd_pcm
snd_timer hid_generic usbhid hid snd x86_pkg_temp_thermal intel_powerclamp
coretemp intel_rapl btusb btbcm iwlmvm mac80211 btintel bluetooth iosf_mbi
i2c_dev soundcore iwlwifi cfg80211 kvm_intel i915 r8169 rtsx_pci_ms nouveau kvm
ttm drm_kms_helper drm crct10dif_pclmul crc32_pclmul crc32c_intel
ghash_clmulni_intel intel_gtt thermal processor video psmouse agpgart
rtsx_pci_sdmmc rfkill mmc_core memstick mei_me mei lpc_ich rtsx_pci thermal_sys
hwmon i2c_algo_bit xhci_pci xhci_hcd mxm_wmi ehci_pci wmi mii microcode
i2c_i801 ehci_hcd evdev tpm_infineon serio_raw tpm_tis tpm battery button ac
i2c_core loop
[    8.700321] CPU: 7 PID: 406 Comm: xcmddc Tainted: G          I     4.1.6 #2
[    8.700322] Hardware name: Notebook                         W230SS          
      /W230SS                 , BIOS 4.6.5 05/13/2014
[    8.700324] task: ffff88041bec4380 ti: ffff8800c613c000 task.ti:
ffff8800c613c000
[    8.700366] RIP: 0010:[<ffffffffc0a3ca10>]  [<ffffffffc0a3ca10>]
nvkm_i2c_try_acquire_pad+0x40/0x80 [nouveau]
[    8.700369] RSP: 0018:ffff8800c613fc38  EFLAGS: 00010286
[    8.700370] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000010000000
[    8.700370] RDX: ffff88041817ec80 RSI: 0000000000000005 RDI:
ffff88041c26d000
[    8.700371] RBP: ffff8800c613fc38 R08: 0000000000018de0 R09:
ffff88041d803e00
[    8.700372] R10: ffff88041d803e00 R11: 0000000000000246 R12:
ffff88041c26d000
[    8.700372] R13: 0000000000000000 R14: ffff880002ffdd00 R15:
ffff88041c26d000
[    8.700373] FS:  00007fa6d1bab780(0000) GS:ffff88042fbc0000(0000)
knlGS:0000000000000000
[    8.700374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.700375] CR2: 0000000000000008 CR3: 000000041bd0d000 CR4:
00000000001406e0
[    8.700375] Stack:
[    8.700378]  ffff8800c613fca8 ffffffffc0a3cb1d ffff8800c613fc68
ffff8800c613fe08
[    8.700379]  0000000000008002 ffff8800c613fda8 ffff8800c613fe08
ffffffff811d3e74
[    8.700380]  ffff8800c613fcc8 ffffffff810b7779 ffff88041c26d000
ffff88041c26d398
[    8.700381] Call Trace:
[    8.700412]  [<ffffffffc0a3cb1d>] nvkm_i2c_acquire_pad+0xcd/0x150 [nouveau]
[    8.700422]  [<ffffffff811d3e74>] ? mntput+0x24/0x40
[    8.700433]  [<ffffffff810b7779>] ? update_curr+0xd9/0x160
[    8.700448]  [<ffffffffc0a3c930>] nvkm_i2c_acquire+0x40/0x60 [nouveau]
[    8.700462]  [<ffffffffc0a3e863>] aux_xfer+0x53/0x160 [nouveau]
[    8.700480]  [<ffffffffc000abf5>] __i2c_transfer+0x245/0x440 [i2c_core]
[    8.700484]  [<ffffffffc000ae44>] i2c_transfer+0x54/0x90 [i2c_core]
[    8.700487]  [<ffffffffc000aebf>] i2c_master_send+0x3f/0x50 [i2c_core]
[    8.700490]  [<ffffffffc001e460>] i2cdev_write+0x50/0x70 [i2c_dev]
[    8.700509]  [<ffffffff811b2ad8>] __vfs_write+0x28/0xf0
[    8.700518]  [<ffffffff81cc7982>] ? do_nanosleep+0x82/0x110
[    8.700534]  [<ffffffff815e2733>] ? security_file_permission+0x23/0xa0
[    8.700536]  [<ffffffff811b2f73>] ? rw_verify_area+0x53/0x100
[    8.700538]  [<ffffffff811b3209>] vfs_write+0xa9/0x1b0
[    8.700545]  [<ffffffff810e4180>] ? hrtimer_get_res+0x50/0x50
[    8.700547]  [<ffffffff811b4016>] SyS_write+0x46/0xb0
[    8.700549]  [<ffffffff81cc869b>] system_call_fastpath+0x16/0x6e
[    8.700567] Code: 42 08 48 8b 08 8b 09 81 e1 00 00 00 10 74 ec b8 01 00 00
00 f0 0f c1 42 1c 85 c0 74 36 48 8b 42 28 eb 11 0f 1f 84 00 00 00 00 00 <48> 8b
40 08 48 85 c0 74 0f 48 39 c7 75 f2 31 c0 5d c3 66 0f 1f 
[    8.700618] RIP  [<ffffffffc0a3ca10>] nvkm_i2c_try_acquire_pad+0x40/0x80
[nouveau]
[    8.700622]  RSP <ffff8800c613fc38>
[    8.700622] CR2: 0000000000000008

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[Bug 91738] [NV117] xf86-video-nouveau 1.0.11 will not allow X to start

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|FIXED                       |---
     Ever confirmed|1                           |0

--- Comment #8 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Hi Ilia, I appreciate your help. This directory is empty: /sys/kernel/debug/

Is there anywhere else I can look?

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NV117] xf86-video-nouveau  |[NV117] NULL deref in
                   |1.0.11 will not allow X to  |nvkm_i2c_try_acquire_pad,
                   |start                       |kernel 4.1

--- Comment #9 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Make sure that debugfs is mounted. e.g.

mount -t debugfs debugfs /sys/kernel/debug

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #10 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Ah, I did not know that! Learning is fun.  :-)

As requested, vbios.rom:

http://sprunge.us/fLiF

Also the system is still experiencing a hard lock up after a few minutes, so
this is definitely worth investigating.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #11 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Please attach files here.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #12 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Sorry, trying to do this from my phone, since the computer will not stay on for
more than a few minutes.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #13 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Add nouveau.modeset=0 to your kernel cmdline, that should prevent nouveau from
loading. I believe that xcmddc is killing of CPU's one-by-one as nouveau is
mishandling something it's asking for.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #14 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Created attachment 117904
  --> https://bugs.freedesktop.org/attachment.cgi?id=117904&action=edit
/sys/kernel/debug/dri/0/vbios.rom

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #15 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Thank you, I was able to get it attached.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #16 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Ilia, should I change the status of this bug?

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> changed:

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                 CC|                            |ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org

--- Comment #17 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Created attachment 118404
  --> https://bugs.freedesktop.org/attachment.cgi?id=118404&action=edit
dmesg on linux 4.1.8

Just so you know, I am still getting a hard system freeze on Linux 4.1.8.

http://sprunge.us/OQUT

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #18 from Ben Skeggs <skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to ryanpcmcquen from comment #17)
> Created attachment 118404 [details]
> dmesg on linux 4.1.8
> 
> Just so you know, I am still getting a hard system freeze on Linux 4.1.8.
> 
> http://sprunge.us/OQUT

Are you able to try with a 4.3-rc kernel? This code got reworked to be more
sane and hopefully fixes this issue as a side-effect.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #19 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
(In reply to Ben Skeggs from comment #18)
> Are you able to try with a 4.3-rc kernel? This code got reworked to be more
> sane and hopefully fixes this issue as a side-effect.

Thanks for the reply Ben. X does not work for me on Linux 4.2.1 (it will not
start). I just tried compiling Linux 4.3-rc2, but it will not compile, I will
try again when rc3 comes out, hopefully that will fix it.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #20 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Linux 4.3-rc3 will not compile either, here is the error:

  GEN     arch/x86/lib/inat-tables.c
  CC      arch/x86/lib/inat.o
  CC      arch/x86/lib/insn.o
  AS      arch/x86/lib/memcpy_64.o
  AS      arch/x86/lib/memmove_64.o
  AS      arch/x86/lib/memset_64.o
  CC      arch/x86/lib/misc.o
  AS      arch/x86/lib/putuser.o
  AS      arch/x86/lib/rwsem.o
  CC      arch/x86/lib/usercopy.o
  CC      arch/x86/lib/usercopy_64.o
  AR      arch/x86/lib/lib.a
  LINK    vmlinux
  LD      vmlinux.o
  MODPOST vmlinux.o
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  LD      init/built-in.o
arch/x86/built-in.o: In function `hv_machine_crash_shutdown':
mshyperv.c:(.text+0x31dcf): undefined reference to
`native_machine_crash_shutdown'
make: *** [vmlinux] Error 1

http://sprunge.us/dPJQ

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #21 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Is there a patch I can try against nouveau?

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

--- Comment #22 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
Created attachment 119187
  --> https://bugs.freedesktop.org/attachment.cgi?id=119187&action=edit
dmesg for linux 4.3-rc7

I haven't had a freeze yet on Linux 4.3-rc7.

Do you notice anything wonky in dmesg?

http://sprunge.us/YEXF

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> changed:

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

--- Comment #23 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
This appears to be fixed in the Nov 19 version of nouveau (git commit 6e6d8ac).

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
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             Status|RESOLVED                    |VERIFIED

--- Comment #24 from ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> ---
I spoke too soon, the issue seems absent with the latest nouveau driver on
Linux 4.2.x+, but still exists on 4.1.x. I now have Xorg 1.18.0 if that makes
any difference.

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

ryanpcmcquen <ryan.q-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|VERIFIED                    |REOPENED
         Resolution|FIXED                       |---
     Ever confirmed|0                           |1

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[Bug 91738] [NV117] NULL deref in nvkm_i2c_try_acquire_pad, kernel 4.1

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91738

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

           What    |Removed                     |Added
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         Resolution|---                         |MOVED
             Status|REOPENED                    |RESOLVED

--- Comment #25 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
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