No more error messages since I've upgraded my kernel to the 2.6.30-rc3.
Although this may not be related, in 2.6.30-rc3 VT-switch are still perturbed.
But I also notice that in 2.6.30-rc2 with EXA and option "MigrationHeuristic" "greedy", VT-switch went back to normal.
Unfortunately this stills happen in 2.6.30-rc3.
No more error messages since I've upgraded my kernel to the 2.6.30-rc3.
Although this may not be related, in 2.6.30-rc3 VT-switch are still perturbed. stic" "greedy", VT-switch went back to normal.
But I also notice that in 2.6.30-rc2 with EXA and option "MigrationHeuri
Unfortunately this stills happen in 2.6.30-rc3.