[Nouveau] [Bug 91598] New: Broken Rendering of Plasma 5 Desktop

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Aug 10 07:11:05 PDT 2015 

https://bugs.freedesktop.org/show_bug.cgi?id=91598

            Bug ID: 91598
           Summary: Broken Rendering of Plasma 5 Desktop
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: cordlandwehr at kde.org
        QA Contact: xorg-team at lists.x.org

After starting my KDE Plasma 5 session everything is rendered find. Yet
(always) after some minutes the rendering of window decorations, task bar, and
popup menus starts to break, resulting after more and more increasing rendering
problems in an unusable desktop. When this happens, I get the following output
from dmesg:

[174123.172309] nouveau E[plasmashell[14050]] fail set_domain
[174123.172314] nouveau E[plasmashell[14050]] validating bo list
[174123.172323] nouveau E[plasmashell[14050]] validate: -22
[174123.223066] nouveau E[plasmashell[14050]] fail set_domain
[174123.223070] nouveau E[plasmashell[14050]] validating bo list
[174123.223073] nouveau E[plasmashell[14050]] validate: -22
[174123.470096] nouveau E[     PFB][0000:02:00.0] trapped read at 0x3d00718400
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PT_NOT_PRESENT
[174123.494669] nouveau E[     PFB][0000:02:00.0] trapped read at 0x3d00718400
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PT_NOT_PRESENT
[174123.533285] nouveau E[     PFB][0000:02:00.0] trapped read at 0x3d00718400
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PT_NOT_PRESENT
[174698.707920] nouveau E[plasmashell[14050]] fail set_domain
[174698.707925] nouveau E[plasmashell[14050]] validating bo list
[174698.707930] nouveau E[plasmashell[14050]] validate: -22
[174698.741993] nouveau E[plasmashell[14050]] fail set_domain
[174698.741997] nouveau E[plasmashell[14050]] validating bo list
[174698.742000] nouveau E[plasmashell[14050]] validate: -22
[174886.478007] nouveau E[plasmashell[14050]] fail set_domain
[174886.478013] nouveau E[plasmashell[14050]] validating bo list
[174886.478017] nouveau E[plasmashell[14050]] validate: -22
[174886.539196] nouveau E[plasmashell[14050]] fail set_domain
[174886.539201] nouveau E[plasmashell[14050]] validating bo list
[174886.539204] nouveau E[plasmashell[14050]] validate: -22
[175871.854466] nouveau E[plasmashell[14050]] fail set_domain
[175871.854471] nouveau E[plasmashell[14050]] validating bo list
[175871.854474] nouveau E[plasmashell[14050]] validate: -22
[175871.861983] nouveau E[plasmashell[14050]] fail set_domain
[175871.861986] nouveau E[plasmashell[14050]] validating bo list
[175871.861989] nouveau E[plasmashell[14050]] validate: -22
[176051.392480] nouveau E[plasmashell[14050]] fail set_domain
[176051.392485] nouveau E[plasmashell[14050]] validating bo list
[176051.392489] nouveau E[plasmashell[14050]] validate: -22
[176051.401093] nouveau E[plasmashell[14050]] fail set_domain
[176051.401097] nouveau E[plasmashell[14050]] validating bo list
[176051.401101] nouveau E[plasmashell[14050]] validate: -22
[176501.393171] Bluetooth: hci0 SCO packet for unknown connection handle 65
[178171.569952] nouveau E[plasmashell[14050]] fail set_domain
[178171.569957] nouveau E[plasmashell[14050]] validating bo list
[178171.569966] nouveau E[plasmashell[14050]] validate: -22
[178171.609919] nouveau E[plasmashell[14050]] fail set_domain
[178171.609923] nouveau E[plasmashell[14050]] validating bo list
[178171.609927] nouveau E[plasmashell[14050]] validate: -22
[178175.258415] nouveau E[plasmashell[14050]] fail set_domain
[178175.258420] nouveau E[plasmashell[14050]] validating bo list
[178175.258426] nouveau E[plasmashell[14050]] validate: -22
[178175.291774] nouveau E[plasmashell[14050]] fail set_domain
[178175.291779] nouveau E[plasmashell[14050]] validating bo list
[178175.291783] nouveau E[plasmashell[14050]] validate: -22
[178175.334549] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f64f [kwin_x11[14044]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.364627] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.381225] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.398852] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.417469] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.435567] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.446271] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.464304] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.479161] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.497165] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f64f [kwin_x11[14044]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.510454] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f64f [kwin_x11[14044]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.525236] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.542153] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.560279] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.578040] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.595687] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.614809] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000f64f [kwin_x11[14044]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.623654] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.649339] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.667052] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.684679] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.702680] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.721299] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.727035] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.757182] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.773778] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.791302] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.808715] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.826256] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.843415] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.861655] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.879201] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.890960] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178175.915536] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.933341] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.950958] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.968921] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178175.986589] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.004259] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.021866] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.039519] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.057690] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.074873] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.091910] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.109110] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.126573] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.144338] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.162028] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.179986] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.198234] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.215892] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.234212] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.251848] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.269469] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.287200] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.305140] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.322810] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.340830] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.342202] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.358525] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.376099] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.393390] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.411557] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.429376] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.510516] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.552477] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.570241] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.587937] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.605304] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.623239] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.640743] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.659310] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b100
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.676174] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.694362] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.711778] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.729810] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178176.748654] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.766682] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b200
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.776887] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178176.802184] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178177.115408] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178177.129659] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178177.145847] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178177.163532] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178177.182036] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178177.200775] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178177.220932] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178177.232131] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178177.345929] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178177.348630] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000f4d2 [plasmashell[14050]] PGRAPH/TEXTURE/00 reason:
PAGE_NOT_PRESENT
[178177.948501] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT
[178178.951166] nouveau E[     PFB][0000:02:00.0] trapped read at 0x002037b000
on channel 0x0000fb33 [Xorg[13899]] PGRAPH/TEXTURE/00 reason: PAGE_NOT_PRESENT

I am using an up-to-date Debian Testing system with:
libdrm-nouveau2: version 2.4.62-1
xserver-xorg-video-nouveau: version 1:1.0.11-1+b1

Please tell me which further information are required.

Cheers,
Andreas

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