Re: [ck] 2.6.16-ck9

[Jan Engelhardt]

>
>I tried to run SetiAtHome at IDLEPRIO, but it competes equally with a
>while(1); loop run at nice 19. I'm starting to wonder if there isn't
>some kind of bug in the kernel which results in a program returning from
>a system call with an in-kernel semaphore held. After all, according to
>top, SetiAtHome consumes over 90% CPU, and the system consumes only
>about 1%, so it can't be making system calls all the time either.

SAH does make very few system calls in relation to its computing, in fact. 
[It's a guess, not a proven answer.] The boinc supervisor process is mostly 
the syscall, filesystem and networking part.

>This pattern just keeps on repeating, endlessly. Occasionally it also
>has
>
>kill(5432, SIG_0)                       = 0
>
>attached to it. 5432 is the parent process, the FAH502-Linux.exe.

You don't use boinc?

>There is something very strange going on here...


Jan Engelhardt
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