Re: kernel BUG at sched.c:564! (2.4.20, 2.4.21-pre5-ac3)

From: Greg KH (greg@kroah.com)
Date: Thu Mar 27 2003 - 12:45:03 EST


On Thu, Mar 27, 2003 at 01:35:27PM +0100, Patrick McHardy wrote:
> diff -Nru a/drivers/isdn/isdn_net.c b/drivers/isdn/isdn_net.c
> --- a/drivers/isdn/isdn_net.c Thu Mar 27 02:00:21 2003
> +++ b/drivers/isdn/isdn_net.c Thu Mar 27 02:00:21 2003
> @@ -2831,6 +2831,7 @@
>
> /* If binding is exclusive, try to grab the channel */
> save_flags(flags);
> + cli();
> if ((i = isdn_get_free_channel(ISDN_USAGE_NET,
> lp->l2_proto, lp->l3_proto, drvidx,
> chidx, lp->msn)) < 0) {

I thought that cli() was being removed from the kernel, not added :)

This can not build on SMP, so you might want to change it.

thanks,

greg k-h
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