Often xorg freezes with EQ overflowing

[harrier]

I use a fresh install of Natty on a Eeepc with ION and nvidia-current driver. One time per week It happens that mouse and keyboard get blocked. I have to turn off the machine using the power button.
I think this is different from other bugs because I use nvidia-current driver and not noveau. But I found on google that this can happen with Intel cards, so maybe that it is not nvidia related.

Here is the final part of Xorg.log founded after the crash:

[ 5811.027] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[ 5811.029]
Backtrace:
[ 5811.106] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab2b]
[ 5811.107] 1: /usr/bin/X (mieqEnqueue+0x1ab) [0x80e9d0b]
[ 5811.107] 2: /usr/bin/X (xf86PostMotionEventM+0xbf) [0x80c4b6f]
[ 5811.107] 3: /usr/bin/X (xf86PostMotionEvent+0x9a) [0x80c4d9a]
[ 5811.107] 4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0x4964) [0x97f964]
[ 5811.107] 5: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0xad75) [0x985d75]
[ 5811.107] 6: /usr/lib/libutouch-grail.so.1 (grail_pull+0x2ec) [0xb573cc]
[ 5811.107] 7: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0xab31) [0x985b31]
[ 5811.107] 8: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0x6722) [0x981722]
[ 5811.108] 9: /usr/bin/X (0x8048000+0x6b41f) [0x80b341f]
[ 5811.108] 10: /usr/bin/X (0x8048000+0x12ddb6) [0x8175db6]
[ 5811.108] 11: (vdso) (__kernel_sigreturn+0x0) [0xe71400]

[harrier (harrier77)]

Today I had the same problem two times. But I could not see the message in the Xorg log file. For me this problem is more and more serious.

[Timo Aaltonen (tjaalton)]

that message just says that the GPU is hung and no input is being processed due to that.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Dan Kegel (dank)]

My laptop just had this same hang.

syslog says:

Jan 4 18:27:36 i5lap kernel: [ 9525.635064] NVRM: Xid (0000:01:00): 13, 0004 00000000 00008597 00001b0c 1000f010 00000040

Xorg.0.log says

[ 9544.565] (WW) NVIDIA(0): WAIT (2, 6, 0x8000, 0x000009f0, 0x00003570)
[ 9551.272] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[ 9551.272]
Backtrace:
[ 9551.326] 0: /usr/bin/X (xorg_backtrace+0x37) [0x80a66f7]
[ 9551.326] 1: /usr/bin/X (mieqEnqueue+0x1d1) [0x80a06b1]
[ 9551.326] 2: /usr/bin/X (xf86PostMotionEventM+0xb0) [0x80c7e60]
[ 9551.326] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x221000+0x35ed) [0x2245ed]
[ 9551.327] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x221000+0x531d) [0x22631d]
[ 9551.327] 5: /usr/lib/xorg/modules/input/evdev_drv.so (0x221000+0x5b85) [0x226b85]
[ 9551.327] 6: /usr/bin/X (0x8048000+0x6cb81) [0x80b4b81]
[ 9551.327] 7: /usr/bin/X (0x8048000+0x12d2a2) [0x81752a2]
[ 9551.327] 8: (vdso) (__kernel_sigreturn+0x0) [0x4f1400]
[ 9551.327] 9: /usr/lib/i386-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x12d8000+0x5b8d2) [0x13338d2]

It locked X hard. I can still log in over the network. I'll try using apport, but for the moment, here are some basic info:

Linux i5lap 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:34:47 UTC 2011 i686 i686 i386 GNU/Linux
Ubuntu 11.10 \n \l
nvidia-current 280.13-0ubuntu6

[Dan Kegel (dank)]

Sigh. apport-cli -u 792278 failed after
 Authorize application to access Launchpad on your behalf
with
  Launchpad requires a REFERER header to perform this action.
Guess I'll reboot.