ハイバネートから復帰に失敗したときのログ

pm-hibernateしてから約5時間後に起動したら
Xがフリーズしているようにみえた．
マウスは動いた．
キーボードは無反応．
マウスでどこをクリックしても無反応．

次にpm-hibernateしたときは問題なかった．
なにが原因なのかな．
とりあえず，

tail -n 30 Xorg.0.log.old

の出力をメモのために貼っておく．
いまはログを見ても何も分からないが，分かる日がくるかもしれない．こないかもしれない．

(II) intel(0): I2C device "CRTDDC_E:ddc2" registered at address 0xA0.
(II) intel(0): I2C device "CRTDDC_E:ddc2" removed.
(II) intel(0): I2C bus "CRTDDC_E" removed.
(II) Macintosh mouse button emulation: Device reopened after 1 attempts.
(II) Chicony USB Wireless HID Receiver: Device reopened after 1 attempts.
(II) Chicony USB Wireless HID Receiver: Device reopened after 1 attempts.
(II) Chicony USB Wireless HID Receiver: Device reopened after 1 attempts.
(II) Power Button: Device reopened after 1 attempts.
(II) Power Button: Device reopened after 1 attempts.
[mi] EQ overflowing. The server is probably stuck in an infinite loop.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x809fb4b]
1: /usr/bin/X (mieqEnqueue+0x1ab) [0x809897b]
2: /usr/bin/X (xf86PostMotionEventP+0xcc) [0x80a3e8c]
3: /usr/lib/xorg/modules/input/evdev_drv.so (0xa6ed1000+0x45d1) [0xa6ed55d1]
4: /usr/lib/xorg/modules/input/evdev_drv.so (0xa6ed1000+0x48c6) [0xa6ed58c6]
5: /usr/bin/X (0x8048000+0x669ff) [0x80ae9ff]
6: /usr/bin/X (0x8048000+0xf9c74) [0x8141c74]
7: (vdso) (__kernel_sigreturn+0x0) [0xb781c400]
8: /usr/lib/libdrm.so.2 (drmCommandNone+0x32) [0xb780fba2]
9: /usr/lib/xorg/modules/drivers/intel_drv.so (0xb7281000+0x2055e) [0xb72a155e]
10: /usr/bin/X (0x8048000+0xc1c3b) [0x8109c3b]
11: /usr/bin/X (0x8048000+0x114f1a) [0x815cf1a]
12: /usr/bin/X (BlockHandler+0x58) [0x807d808]
13: /usr/bin/X (WaitForSomething+0x114) [0x80a25d4]
14: /usr/bin/X (0x8048000+0x40590) [0x8088590]
15: /usr/bin/X (0x8048000+0x1ab15) [0x8062b15]
16: /lib/libc.so.6 (__libc_start_main+0xe6) [0xb744fa36]
17: /usr/bin/X (0x8048000+0x1a701) [0x8062701]