>Number:         29999
>Category:       port-xen
>Synopsis:       ctrl_if_interrupt IPL problem
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-xen-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Apr 17 23:25:00 +0000 2005
>Originator:     YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
>Release:        NetBSD 3.99.3
>Organization:

>Environment:
	
	
System: NetBSD kaeru 3.99.3 NetBSD 3.99.3 (build.kaeru.xen) #53: Sun Apr 17 19:01:17 JST 2005 takashi@kaeru:/home/takashi/work/kernel/build.kaeru.xen i386
Architecture: i386
Machine: i386
>Description:
	ctrl_if_interrupt uses wakeup(9) and softintr_schedule(9) from
	interrupt context with too high IPL.
>How-To-Repeat:
	code inspection.
>Fix:
	the easiest fix is, lower IPL_CTRL to IPL_SCHED (or even lower).
	i'm not sure why IPL_CTRL is that high at the first place.

>Unformatted: