Re: Panic in init_sysctl.c::fill_lwp()

[Juan RP <xtraeme%gmail.com@localhost>]

On Wed,  2 Apr 2008 10:25:57 +0900 (JST)
yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi) wrote:

> l_wmesg is stale unless l_wchan != NULL.
> the easiest fix would be clear l_wmesg in sleepq_remove.
> i prefer to fix users of l_wmesg instead, tho.

Thanks for the hint. This patch avoided the panic for me:

Index: kern_sleepq.c
===================================================================
RCS file: /cvsroot/src/sys/kern/kern_sleepq.c,v
retrieving revision 1.23
diff -b -u -p -r1.23 kern_sleepq.c
--- kern_sleepq.c       28 Mar 2008 20:48:36 -0000      1.23
+++ kern_sleepq.c       2 Apr 2008 11:03:20 -0000
@@ -125,6 +125,7 @@ sleepq_remove(sleepq_t *sq, lwp_t *l)
        l->l_syncobj = &sched_syncobj;
        l->l_wchan = NULL;
        l->l_sleepq = NULL;
+       l->l_wmesg = NULL;
        l->l_flag &= ~LW_SINTR;
 
        ci = l->l_cpu;


-- 
Juan Romero Pardines - xtraeme at gmail|netbsd dot org
        The NetBSD Project

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