>Number:         12868
>Category:       port-i386
>Synopsis:       1.5V/i386 kernel dies with "intr_disestablish: bogus irq"
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue May 08 06:06:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Jun-ichiro itojun Hagino
>Release:        1.5V
>Organization:
	itojun.org
>Environment:
	1.5V, 5 hours ago

>Description:
	with the following setup:

	thinkpad T20
	1.5V/i386
	lucent 802.11 card (wi driver)

	i'm callig "ifconfig wi0 down" via /etc/apm/suspend script, and it
	panics the kernel as presented below.

	the symptom was not present with 1.5U a couple of days ago.
>How-To-Repeat:
	this is a stack trace typed by hand.

panic: intr_disestablish; bogus irq

cpu_debugger
panic
isa_intr_disestablish(c05d5ce0,cd518e0,c0cf8600,dc77a9f8,c03f7e7a) at isa_intr_disestablish+0x20
pcic_intr_disestablish(c0cfc9c,c0d518e0,c0d1a000,dc76b72c,c000ef64) at pcic_isa_chip_intr_disestablish+0x17
pcmcia_intr_disestablish(dhc0d16700,c0d518e0,0,dc77ae58,c013a370) at pcmcia_intr_disestablish+0x19a
wi_pcmcia_disable(c0d1a0000 at wi_pcmcia_disable+0x18
wi_ioctl
ifioctl
soo_ioctl
sys_ioctl
syscall_plain
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: