Created attachment 90840 [details] dmesg Since few weeks i have strange problems with my computer. In fact maybe i have them more than few weeks but i'm looking and trying to solve it just 2-3 weeks. Computer (gdm and over part) is hanging from time to time. I cannot reproduce it always but most times i need just open few windows and wait. Same time computer is working, I can connect to it via ssh and everything is working normal except i cannot poweroff computer because it hangs. What i find few days ago was broken capacitors on my GfX card, i replaced them but it did not help. Sometimes (not very often) it ends with Kernel Panic. i'm using: 05:00.0 VGA compatible controller: NVIDIA Corporation NV43 [GeForce 6600] (rev a2) kernel: 3.12.5-gentoo xf86-video-nouveau-1.0.10 libdrm-2.4.50 mesa-9.2.4 xorg-server-1.14.3
Looks like there are some GART timeout errors? Not sure what those mean, but can you try booting with "nouveau.config=NvPCIE=0" added to your kernel cmdline?
Created attachment 90990 [details] dmesg output made on 19.12.2013 with nouveau.config=NvPCIE=0 option First of all in the meantime i've bought new GfX card (also nvidia) and it is working fine so rest of my hardware is probably ok. maybe the old one is broken. No idea how to test it. I've added nouveau.config=NvPCIE=0 option. This time it died in a little other way. I'm attaching dmesg output. The last line (about gnome shell) appeard there after i've tried: # systemctl status gdm with this output (I don't know if it is interesting to you). gdm.service - GNOME Display Manager Loaded: loaded (/usr/lib64/systemd/system/gdm.service; enabled) Active: active (running) since czw 2013-12-19 12:23:43 CET; 24min ago Main PID: 169 (gdm) CGroup: /system.slice/gdm.service ├─ 169 /usr/sbin/gdm ├─1301 /usr/libexec/gdm-simple-slave --display-id /org/gnome/DisplayManager/Displays/_0 └─1305 /usr/bin/Xorg :0 -background none -verbose -auth /run/gdm/auth-for-gdm-iV9gRm/database -sea... gru 19 12:23:43 mickey systemd[1]: Started GNOME Display Manager. gru 19 12:23:49 mickey gdm[169]: Failed to give slave programs access to the display. Trying to proceed. gru 19 12:24:49 mickey gdm[169]: Failed to remove slave program access to the display. Trying to proceed. gru 19 12:38:15 mickey gdm[169]: Child process 183 was already dead. gru 19 12:38:15 mickey gdm[169]: Child process 183 was already dead. gru 19 12:38:15 mickey gdm[169]: GLib-GObject: g_object_ref: assertion `object->ref_count > 0' failed gru 19 12:38:15 mickey gdm[169]: GLib-GObject: g_object_unref: assertion `object->ref_count > 0' failed gru 19 12:38:15 mickey gdm[169]: Failed to give slave programs access to the display. Trying to proceed.
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