[Bug 79912] New: Nouveau unuseable with 3 monitors and a geforce GTX 670

[Bug 79912] New: Nouveau unuseable with 3 monitors and a geforce GTX 670

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=79912

          Priority: medium
            Bug ID: 79912
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: Nouveau unuseable with 3 monitors and a geforce GTX
                    670
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: tiziano.bacocco-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

If i connect a third monitor on HDMI , on that one i get a purple vertical line
on the left , DVI-D one does not work, and framerate of gnome-shell is very
very low

On the kernel logs at boot i get 

[   25.163082] WARNING: CPU: 1 PID: 1188 at drivers/gpu/drm/ttm/ttm_bo_vm.c:269
ttm_bo_vm_open+0x52/0x80 [ttm]()
[   25.163084] Modules linked in: ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE
iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
nf_conntrack tun bnep bridge stp llc snd_hda_codec_hdmi x86_pkg_temp_thermal
coretemp snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel kvm_intel
snd_hda_codec snd_hwdep arc4 ath9k ath9k_common ath9k_hw snd_seq ath
ir_lirc_codec ir_mce_kbd_decoder lirc_dev ir_sony_decoder ir_nec_decoder
ir_sanyo_decoder ir_rc6_decoder ir_jvc_decoder mac80211 ir_rc5_decoder nouveau
r820t kvm snd_seq_device snd_pcm iTCO_wdt rtl2832 cfg80211 crct10dif_pclmul
iTCO_vendor_support dvb_usb_rtl28xxu rtl2830 i2c_algo_bit ttm crc32_pclmul
btusb crc32c_intel dvb_usb_v2 eeepc_wmi asus_wmi snd_timer drm_kms_helper
sparse_keymap snd drm ghash_clmulni_intel dvb_core soundcore
[   25.163138]  bluetooth i2c_i801 radio_ma901 tpm_tis tpm_infineon joydev
videodev mei_me 6lowpan_iphc rfkill rc_core media i2c_core serio_raw tpm
lpc_ich mei shpchp mfd_core microcode nfsd auth_rpcgss nfs_acl lockd sunrpc
raid0 mxm_wmi e1000e ptp pps_core video wmi
[   25.163164] CPU: 1 PID: 1188 Comm: Xorg Tainted: G        W   
3.14.5-200.fc20.x86_64 #1
[   25.163166] Hardware name: ASUS All Series/Z87-PRO, BIOS 0903 05/06/2013
[   25.163168]  0000000000000000 00000000c1415f90 ffff88030476bd90
ffffffff816efa42
[   25.163173]  0000000000000000 ffff88030476bdc8 ffffffff8108a1cd
ffff880309ca6000
[   25.163179]  ffff880309d23ac8 ffff88030bd69f18 0000000000000000
0000000000000000
[   25.163183] Call Trace:
[   25.163189]  [<ffffffff816efa42>] dump_stack+0x45/0x56
[   25.163194]  [<ffffffff8108a1cd>] warn_slowpath_common+0x7d/0xa0
[   25.163199]  [<ffffffff8108a2fa>] warn_slowpath_null+0x1a/0x20
[   25.163209]  [<ffffffffa034b132>] ttm_bo_vm_open+0x52/0x80 [ttm]
[   25.163214]  [<ffffffff81088f17>] copy_process.part.26+0x18f7/0x1b90
[   25.163219]  [<ffffffff81089373>] do_fork+0xc3/0x370
[   25.163225]  [<ffffffff810896a6>] SyS_clone+0x16/0x20
[   25.163229]  [<ffffffff81700189>] stub_clone+0x69/0x90
[   25.163234]  [<ffffffff816ffe29>] ? system_call_fastpath+0x16/0x1b
[   25.163237] ---[ end trace da86bd3f343ad454 ]---
[   25.163241] ------------[ cut here ]------------


and when using it thousands of lines with
[  342.347721] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d
[  342.360259] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d
[  342.373450] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d
[  342.386710] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d
[  342.400035] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d
[  342.412854] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d
[  342.426119] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d
[  343.290435] nouveau E[   PDISP][0000:01:00.0] chid 0 mthd 0x0080 data
0x00000000 0x10005080 0x0000400d

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[Bug 79912] Nouveau unuseable with 3 monitors and a geforce GTX 670

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=79912

--- Comment #1 from Tiziano Bacocco <tiziano.bacocco-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Forgot to mention , i'm running Fedora 20 x86_64 , Kernel version 3.14.5-200

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[Bug 79912] Nouveau unuseable with 3 monitors and a geforce GTX 670

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=79912

--- Comment #2 from Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> ---
Purple screen + extremely slow? You simply hit the memory bandwidth limit :s

It will be fixed by reclocking memory, efforts towards this goal are underway
but won't be finished any time soon :s You may want to stick with the
proprietary driver :s

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[Bug 79912] Nouveau unuseable with 3 monitors and a geforce GTX 670

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=79912

--- Comment #3 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
If it's just memory that's too slow, you could try
http://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next which should allow
you to try to change pstates via /sys/class/drm/card0/device/pstate. Note that
this is very experimental, and is more than likely just going to hang your
card. But worth a shot.

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[Bug 79912] Nouveau unuseable with 3 monitors and a geforce GTX 670

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=79912

--- Comment #4 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
It seems like there are a bunch of different and unrelated issues here. HDMI +
purple line has been fixed (in 3.18-rcX by commit
a522946174b5ae389af0856c422d865a63c70316). That warning is weird... feels like
perhaps you're running on a kernel with CMA enabled? If so, disable it.

Please test this out on 3.18-rc5 or later.

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[Bug 79912] [NVE6] Multiple issues with 3 monitors and a GTX 670

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=79912

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Nouveau unuseable with 3    |[NVE6] Multiple issues with
                   |monitors and a geforce GTX  |3 monitors and a GTX 670
                   |670                         |

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[Bug 79912] [NVE6] Multiple issues with 3 monitors and a GTX 670

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https://bugs.freedesktop.org/show_bug.cgi?id=79912

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

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

--- Comment #5 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- 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/112.

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