Messages in this thread | | | Date | Mon, 11 Jul 2005 17:07:11 +0200 | From | Ingo Molnar <> | Subject | Re: Realtime Preemption, 2.6.12, Beginners Guide? |
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* Ingo Molnar <mingo@elte.hu> wrote:
> > might be an incorrect printout of stack_left :( The esp looks more or > > less normal. Not sure why it printed -52. > > here's the stack_left calculation: > > + printk("ds: %04x es: %04x ss: %04x preempt: %08x\n", > + regs->xds & 0xffff, regs->xes & 0xffff, ss, preempt_count()); > + printk("Process %s (pid: %d, threadinfo=%p task=%p stack_left=%ld worst_left=%ld)", > + current->comm, current->pid, current_thread_info(), current, > + (regs->esp & (THREAD_SIZE-1))-sizeof(struct thread_info), > + worst_stack_left); > > i cannot see anything wrong in it, [...]
that should be "esp", not "regs->esp". regs->esp is something different upon in-kernel faults. I've uploaded -27 with the fix - but it should only confirm that it's not a stack overflow.
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