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Date: Tue, 11 Jul 2000 10:14:34 +0200 (MET DST)
From: "Wilhelm B. Kloke" <wb@vestein.arb-phys.uni-dortmund.de>
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Subject: misc/19845: Creatix PnP ISDN card conflicts with 2nd IDE
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>Number:         19845
>Category:       misc
>Synopsis:       Creatix PnP ISDN card conflicts with 2nd IDE
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jul 11 01:20:00 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     Wilhelm B. Kloke
>Release:        FreeBSD 4.0-STABLE i386
>Organization:
Inst f Arbeitsphysiologie Uni Dortmund
>Environment:

	

>Description:

	The Creatix PnP ISDN card uses addresses 0x120-0x13f and 0x180-0x1bf
	The driver /sys/i4b/layer1/i4b_ctx_s0P.c changes this
	by allocating new resources 0x20 lower. This conflicts with
	2nd IDE adapter at 0x170. A kernel with enabled 2nd IDE
	and Creatix card crashes immedatiately after not getting
	the required resources.

>How-To-Repeat:

	

>Fix:

	I changed the length of the resource request from 0x20 to 0x10.
	Now the kernel works fine. The ungraceful handling of the error
	situation must be fixed, however, as the allocation method
	will probably fail in other situations also( e.g. a device
	in 0x100-0x1f region).


>Release-Note:
>Audit-Trail:
>Unformatted:


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