Date: Fri, 23 Dec 2011 10:42:04 -0600 From: Larry Rosenman <ler@lerctr.org> To: John Baldwin <jhb@freebsd.org> Cc: Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org Subject: Re: scheduler panic Message-ID: <4EF4AF5C.1060000@lerctr.org> In-Reply-To: <201112230954.57591.jhb@freebsd.org> References: <4EF48065.8000802@lerctr.org> <201112230954.57591.jhb@freebsd.org>
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On 12/23/2011 8:54 AM, John Baldwin wrote:
> The sloppiest fix might be to do this:
>
> Index: sched_ule.c
> ===================================================================
>
>
- --- sched_ule.c (revision 228777)
> +++ sched_ule.c (working copy) @@ -1434,7 +1434,8 @@
> sched_priority(struct thread *td) } else { pri = SCHED_PRI_MIN; if
> (td->td_sched->ts_ticks) - pri += SCHED_PRI_TICKS(td->td_sched);
> + pri += min(SCHED_PRI_TICKS(td->td_sched), +
> SCHED_PRI_RANGE); pri += SCHED_PRI_NICE(td->td_proc->p_nice);
> KASSERT(pri >= PRI_MIN_BATCH && pri <= PRI_MAX_BATCH,
> ("sched_priority: invalid priority %d: nice %d, "
>
I've applied this to both the host and the guest, and am recompiling
the guest kernel (hopefully it'll stay up long enough...).
I'll report back.
Do y'all (FreeBSD Devs) want a PR?
- --
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 512-248-2683 E-Mail: ler@lerctr.org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
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