Re: cvs commit: src/sys/kern kern_mutex.c

[ Available lists | Index of cvs-all | Month of Jun 2007 | Week of 5 Jun 2007 | Raw email | View thread | Wrap long lines | Reply | Tag ]
From
Kostik Belousov <kostikbel@gmail.com>
Date
5 Jun 2007 15:22:21
Subject
Re: cvs commit: src/sys/kern kern_mutex.c
Message-ID
20070605150521.GX2268@deviant.kiev.zoral.com.ua

In reply to
Kostik Belousov (cvs-src) , Kostik Belousov
References to
Konstantin Belousov (cvs-src) , Konstantin Belousov, Bruce Evans (cvs-src) , Bruce Evans, Kostik Belousov (cvs-src) , Kostik Belousov
Replies
Bruce Evans, Bruce Evans (cvs-src)
Referenced by
Bruce Evans (cvs-src) , Bruce Evans, Attilio Rao, Attilio Rao (cvs-src) , Attilio Rao (cvs-src) , Attilio Rao, Kostik Belousov, Kostik Belousov (cvs-src) , Attilio Rao (cvs-src) , Attilio Rao

[ Hide this part ] 
On Tue, Jun 05, 2007 at 06:00:05PM +0300, Kostik Belousov wrote:
> On Wed, Jun 06, 2007 at 12:48:11AM +1000, Bruce Evans wrote:
> > On Tue, 5 Jun 2007, Konstantin Belousov wrote:
> >
> > >kib         2007-06-05 14:20:13 UTC
> > >
> > > FreeBSD src repository
> > >
> > > Modified files:
> > >   sys/kern             kern_mutex.c
> > > Log:
> > > Restore non-SMP build.
> >
> > Does it run?  _thread_lock_flags() is an almost identical copy of
> > _mtx_lock_spin_flags(), but _mtx_lock_spin_flags() is only for SMP.
> No, it panics immediately in vm_pagezero() with
> 	panic: sleepq chain not locked @kern_mutex.c:678.
Clarification: panic occurs only if PREEMPTION is _not_ specified in kernel
config. For PREEMPTION non-SMP kernel, I see no problems is 5-minutes run
still.
>
> Attilio is looking at it.
[ Show this part (application/pgp-signature) ]
Elapsed time: 0.189 seconds