* 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/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
