One of two identical Ubuntu 2.6.24.24 systems running BM 6.4.5 with aqua (1 task) and simap (4 task) projects is showing strange behavior. For 6 hours one system did not show any progress. Only aqua mt (with it's 4 CPU threads) and one simap task (with one thread) were supposedly running. When I observed this in the morning I discovered that when moving the mouse over the task display area of BM, I could get the %Progress and %ToCompletion to start changing normally for the aqua and the one simap task that was running. The progress stopped after I stopped moving the mouse. There was no big jump in progress when the mouse moved. This system simply made the normal and expected performance progress when the mouse was moving and stopped immediately with no mouse movement. These systems had been working fine for some time. simap started releasing tasks for the first time in a month about 3 hours before the problem occurred.

I suspended aqua which allowed the 3 remaining simap projects to start. All showed progress immediately. I then run a benchmark and after the benchmark completed I resumed the aqua mt task with it's 4 cpu threads. The system has been running for about 1/2 hour working just fine. aqua has about %49 of the cpu's and the 4 simap have about 10-12 percent. This is satisfactory though not what I want. I would rather have just one of the simap running and aqua controlling 3.5 cpu's like the other ubuntu system's behavior.

Both systems have two opteron 270 dual core with 3gb of memory and run the same boinc projects (aqua mt and simap). the system with the problem does run a postgresql server, but it is currently not being used.

I would install 6.6.36 BM but I can't find a debian release and the .sh on the boinc site is too difficult to install without instructions.

I have 3 other quad systems, two vista 64 & one vista 32, that do not have this problem either.