search for: gpfifogf100

...to see thereafter if this is due to KDE or the kernel. Three examples from journalctl: the very first error after the boot message: the lock occurred during reactivation of the session: Nov 14 18:02:58 hpprol2 kernel: nouveau 0000:0a:00.0: timeout at ../drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c:66/gf100_fifo_gpfifo_engine_fini()! Nov 14 18:02:58 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: channel 14 [xembedsniproxy[2209]] kick timeout Nov 14 18:02:58 hpprol2 kernel: nouveau: xembedsniproxy[2209]:cccc0000:0000906f: detach gr failed, -16 Nov 14 18:02:58 hpprol2 kernel: nouveau 0000:0a:00....

https://bugs.freedesktop.org/show_bug.cgi?id=92961 Bug ID: 92961 Summary: Xorg freezes (only mouse and ssh are still working) Product: xorg Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: critical Priority: high Component: Driver/nouveau

...ion=edit Xorg.0.log for the failed session The crux of the problem: Mar 25 23:40:25 mercador kernel: nouveau 0000:01:00.0: plasmashell[6208]: failed to idle channel 17 [plasmashell[6208]] Mar 25 23:40:27 mercador kernel: nouveau 0000:01:00.0: timeout at drivers/gpu/dr m/nouveau/nvkm/engine/fifo/gpfifogf100.c:66/gf100_fifo_gpfifo_engine_fini()! Mar 25 23:40:27 mercador kernel: nouveau 0000:01:00.0: fifo: channel 17 [plasmas hell[6208]] kick timeout Mar 25 23:40:27 mercador kernel: nouveau: plasmashell[6208]:00000000:0000906f: d etach gr failed, -16 Mar 25 23:40:27 mercador kernel: nouveau 0000:01:00.0...

...00000002 [...] May 21 14:41:25 kernel: nouveau 0000:01:00.0: fifo: INTR 00010000: 00000002 May 21 14:41:25 kernel: ------------[ cut here ]------------ May 21 14:41:25 kernel: nouveau 0000:01:00.0: timeout May 21 14:41:25 kernel: WARNING: CPU: 0 PID: 5655 at drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c:82 gf100_fifo_gpfifo_engine_fini+0x160/0x1c0 [nouveau] May 21 14:41:25 kernel: Modules linked in: nouveau mxm_wmi ttm sunrpc fuse snd_hda_codec_hdmi uvcvideo videobuf2_vmalloc videobuf2_memops snd_hda_codec_realtek arc4 videobuf2_v4l2 snd_hda_codec_generic intel_rapl videobuf2_common snd_hd> M...

...creen mode. The lock is swamped with tons of > nouveau 0000:03:00.0: fifo: SCHED_ERROR 13 [] > > messages and I also can see some warnings > ------------[ cut here ]------------ > WARNING: CPU: 1 PID: 3535 at /build/linux-J4LMtv/linux-4.11.6/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c:85 gf100_fifo_gpfifo_engine_fini+0x14f/0x1d0 [nouveau] > nouveau 0000:03:00.0: timeout > Modules linked in: nouveau mxm_wmi wmi ttm cpufreq_powersave cpufreq_conservative cpufreq_userspace iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_mangle ip_tab...

...ry to exit mplayer fullscreen mode. The lock is swamped with tons of nouveau 0000:03:00.0: fifo: SCHED_ERROR 13 [] messages and I also can see some warnings ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3535 at /build/linux-J4LMtv/linux-4.11.6/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c:85 gf100_fifo_gpfifo_engine_fini+0x14f/0x1d0 [nouveau] nouveau 0000:03:00.0: timeout Modules linked in: nouveau mxm_wmi wmi ttm cpufreq_powersave cpufreq_conservative cpufreq_userspace iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_mangle ip_tables x_tabl...

...4]] [ 1050.676235] nouveau 0000:01:00.0: WebKitWebProces[8594]: failed to idle channel 11 [WebKitWebProces[8594]] [ 1052.698895] ------------[ cut here ]------------ [ 1052.698897] nouveau 0000:01:00.0: timeout [ 1052.698943] WARNING: CPU: 2 PID: 8934 at ../drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c:85 gf100_fifo_gp fifo_engine_fini+0x14e/0x1c0 [nouveau] [ 1052.698944] Modules linked in: af_packet rfcomm fuse snd_hda_codec_hdmi vboxnetadp(O) vboxnetflt(O) iscsi_ibft iscs i_boot_sysfs mei_wdt vboxdrv(O) bnep msr snd_hda_codec_idt snd_hda_codec_generic arc4 uvcvideo videobuf2_vmalloc video buf...