Messages in this thread Patch in this message | | | Date | Sat, 19 Jun 2004 15:26:00 +1000 | From | Con Kolivas <> | Subject | Re: 2.6.7-ck1 |
| |
Con Kolivas wrote: > On Sat, 19 Jun 2004 04:35, Grzegorz Kulewski wrote: > >>Hi Con, >> >>I have two problems with 2.6.7-ck1. My distribution is Gentoo Linux >>unstable with all latest updates. Oh, yes, both 2.6.7-ck1 and 2.6.7-rc3 >>I tested have vesafb-tng applied from http://dev.gentoo.org/~spock/, but >>it should not cause any problems because it is very non-intrusive patch I >>think. Maybe you should include this in your patchset? >> >>1. When booting init script freezes after starting input hotplugging (it >>is udev system). The only way to make it run is to press Ctrl-Alt-SysRQ >>and various keys to display kernel state several times. After that system >>starts normally. I do not know if it is only -ck problem because I had >>no time to test 2.6.7 vanilla, but 2.6.7-rc3 worked fine. (Log included.) > > > Yes I have a sneaking suspicion it's related to the fact kernel threads are > fixed priority at the moment in staircase (they dont descend priority like > normal tasks so act like relatively low priority real time tasks). I'm > addressing that for the next version so hopefully that will fix it.
Here's a diff for -ck1 which brings you up to staircase7.1 Can you try that?
Con --- linux-2.6.7-ck2pre/kernel/sched.c 2004-06-19 15:12:15.280924354 +1000 +++ linux-2.6.7-ck1/kernel/sched.c 2004-06-19 14:58:08.000000000 +1000 @@ -334,8 +334,7 @@ static int effective_prio(task_t *p) if (used_slice < first_slice) return prio; - if (p->mm) - prio += 1 + (used_slice - first_slice) / rr; + prio += 1 + (used_slice - first_slice) / rr; if (prio > MAX_PRIO - 2) prio = MAX_PRIO - 2; return prio; | |