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Date: Wed, 15 Aug 2001 22:14:02 -0600 (MDT)
From: "M. Warner Losh" <imp@village.org>
Reply-To: "M. Warner Losh" <imp@village.org>
To: FreeBSD-gnats-submit@freebsd.org
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Subject: kern/29742: PCCARD Modems don't work on cardbus bridges
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>Number:         29742
>Category:       kern
>Synopsis:       PCCARD Modems don't work on cardbus bridges
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Aug 15 21:20:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     M. Warner Losh
>Release:        FreeBSD 4.4-PRERELEASE i386
>Organization:
Booger Eaters Anonymous
>Environment:
System: FreeBSD hammer.village.org 4.4-PRERELEASE FreeBSD 4.4-PRERELEASE #62: Tue Aug 14 21:20:55 MDT 2001 imp@hammer.village.org:/dell/imp/FreeBSD/src/sys/compile/DELL i386


>Description:

Insert a pccard modem.  Watch the system hang.

>How-To-Repeat:



>Fix:

Fix SIO to not generate interrupts in its probe routine without an
interrupt handler.

Aug 15 21:49:37 hammer pccardd[465]: Card "Megahertz"("XJ-CC4288") [V.34 Data/Fax/Cell PC Card] [(null)] matched "Megahertz" ("XJ-CC4288") [(null)] [(null)] 
Aug 15 21:49:37 hammer pccardd[465]: Using I/O addr 0x3e8, size 8 
Aug 15 21:49:37 hammer pccardd[465]: Setting config reg at offs 0x300 to 0x62, Reset time = 50 ms 
Aug 15 21:49:42 hammer pccardd[465]: Assigning I/O window 0, start 0x3e8, size 0x8 flags 0x1 
*********** HANG HERE IN X ****************
sio4 at port 0x3e8-0x3ef irq 11 slot 0 on pccard0
sio4: typepcic0: Event mask 0x6
 16550A

Notice the interrupt generated in detecting the type in attach....
>Release-Note:
>Audit-Trail:
>Unformatted:

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