Bonjour,
Un problème rencontré sous Wheezy, dans l’environnement GNOME: le serveur X freeze très fréquemment. Seul moyen de repartir est de lancer un reboot en SSH (enfin, seul moyen que j’ai trouvé!).
Voici ce que me dit Xorg.0.log:
[ 1525.050] [mi] EQ overflowing. Additional events will be discarded until existing events are processed.
[ 1525.050]
[ 1525.050] Backtrace:
[ 1525.238] 0: /usr/bin/Xorg (xorg_backtrace+0x36) [0x7f4108883cd6]
[ 1525.239] 1: /usr/bin/Xorg (mieqEnqueue+0x26b) [0x7f4108864f7b]
[ 1525.239] 2: /usr/bin/Xorg (0x7f4108705000+0x668f2) [0x7f410876b8f2]
[ 1525.239] 3: /usr/bin/Xorg (xf86PostMotionEvent+0xd0) [0x7f41087a2220]
[ 1525.239] 4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f4101fed000+0x5235) [0x7f4101ff2235]
[ 1525.239] 5: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f4101fed000+0x7164) [0x7f4101ff4164]
[ 1525.239] 6: /usr/bin/Xorg (0x7f4108705000+0x8d937) [0x7f4108792937]
[ 1525.239] 7: /usr/bin/Xorg (0x7f4108705000+0xb1c08) [0x7f41087b6c08]
[ 1525.239] 8: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f4107a2d000+0xf030) [0x7f4107a3c030]
[ 1525.239] 9: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f4106809ac7]
[ 1525.239] 10: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f4104b7fd08]
[ 1525.239] 11: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f4104b820fb]
[ 1525.239] 12: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f4104744000+0x6ca9) [0x7f410474aca9]
[ 1525.239] 13: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f4104744000+0x91ee) [0x7f410474d1ee]
[ 1525.239] 14: /usr/lib/xorg/modules/libexa.so (0x7f4103cfa000+0x5c0b) [0x7f4103cffc0b]
[ 1525.239] 15: /usr/lib/xorg/modules/libexa.so (0x7f4103cfa000+0x80c0) [0x7f4103d020c0]
[ 1525.239] 16: /usr/lib/xorg/modules/libexa.so (0x7f4103cfa000+0x120ae) [0x7f4103d0c0ae]
[ 1525.239] 17: /usr/lib/xorg/modules/libexa.so (0x7f4103cfa000+0xe9b8) [0x7f4103d089b8]
[ 1525.239] 18: /usr/bin/Xorg (0x7f4108705000+0x110a79) [0x7f4108815a79]
[ 1525.239] 19: /usr/lib/xorg/modules/libexa.so (0x7f4103cfa000+0xfa7f) [0x7f4103d09a7f]
[ 1525.239] 20: /usr/bin/Xorg (0x7f4108705000+0x10a5ab) [0x7f410880f5ab]
[ 1525.239] 21: /usr/bin/Xorg (0x7f4108705000+0x52e61) [0x7f4108757e61]
[ 1525.240] 22: /usr/bin/Xorg (0x7f4108705000+0x41ec5) [0x7f4108746ec5]
[ 1525.240] 23: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xfd) [0x7f4106754ead]
[ 1525.240] 24: /usr/bin/Xorg (0x7f4108705000+0x4219d) [0x7f410874719d]
[ 1525.240]
[ 1525.240] [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[ 1525.240] [mi] mieq is *NOT* the cause. It is a victim.
Sous GNOME Classic, j’ai un système d’une stabilité redoutable au demeurant…
En fouillant un peu sur internet, je crois découvrir le responsable: ma carte NVIDIA (NVIDIA Corporation C79 [GeForce 9400M G]).
S’il existe une solution à ce problème, merci d’avance 

