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Old 09-27-10, 02:29 AM   #12
waperboy
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Join Date: Sep 2010
Posts: 11
Default Re: Lots of NVRM: os_raise_smp_barrier(), invalid context! in dmesg

Quote:
Originally Posted by Extender View Post
I see that in X.log after such freeze
[ 4760.990] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[ 4760.990]
Backtrace:
[ 4761.047] 0: /usr/bin/X (xorg_backtrace+0x28) [0x4a0fa8]
[ 4761.047] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a0824]
[ 4761.047] 2: /usr/bin/X (xf86PostMotionEventP+0xc4) [0x47c194]
[ 4761.047] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6cab594000+0x5399) [0x7f6cab599399]
[ 4761.047] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6cab594000+0x5a8e) [0x7f6cab599a8e]
[ 4761.047] 5: /usr/bin/X (0x400000+0x6b837) [0x46b837]
[ 4761.048] 6: /usr/bin/X (0x400000+0x11f4e3) [0x51f4e3]
[ 4761.048] 7: /lib/libpthread.so.0 (0x7f6cb1735000+0xfb40) [0x7f6cb1744b40]
[ 4761.048] 8: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f6cac0ad000+0xff002)
...
I'm getting this too, but only occasionally now.
It has gone from perfect, to very unstable, to less unstable like this:

1. Perfect:
- Asus P5W DH Deluxe motherboard + Intel C2D E6600 + 8800GT
- Ubuntu 9.10, 2.6.31-20
- Nvidia driver: 185.18.36
- No gfx issues whatsoever

2. Very unstable:
- New motherboard Asus P6T SE + Intel i7 930 (same 8800GT as above)
- Same Ubuntu installation + driver on same disk as above
- Very unstable, running glxgears freezes up in a matter of seconds, otherwise system freezes in 5-10 minutes

3. Less unstable:
- Upgraded above installation to Ubuntu 10.04
- Now runs glxgears fine, but can freeze up with same symptoms after some hours, sooner if watching video

So the change of MB+CPU made this happen, suggesting some hardware incompatibility issues with nvidia driver, or (possibly) kernel/X.

This is a getting to be a showstopper, I spend long hours working on the computer, and having the system randomly freeze up is unacceptable.

EDIT: Strangely in backtrace, it looks like the nvidia driver causing X mouse-move events (or perhaps it's the other way around, not used to reading these backtraces)
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