* David Lang <[EMAIL PROTECTED]> wrote: > > (Btw., to protect against such mishaps in the future i have changed > > the SysRq-N [SysRq-Nice] implementation in my tree to not only > > change real-time tasks to SCHED_OTHER, but to also renice negative > > nice levels back to 0 - this will show up in -v6. That way you'd > > only have had to hit SysRq-N to get the system out of the wedge.) > > if you are trying to unwedge a system it may be a good idea to renice > all tasks to 0, it could be that a task at +19 is holding a lock that > something else is waiting for.
Yeah, that's possible too, but +19 tasks are getting a small but guaranteed share of the CPU so eventually it ought to release it. It's still a possibility, but i think i'll wait for a specific incident to happen first, and then react to that incident :-) Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/