Bug 29742

Summary: PCCARD Modems don't work on cardbus bridges
Product: Base System Reporter: Warner Losh <imp>
Component: kernAssignee: freebsd-bugs (Nobody) <bugs>
Status: Closed FIXED    
Severity: Affects Only Me    
Priority: Normal    
Version: 4.4-PRERELEASE   
Hardware: Any   
OS: Any   

Description Warner Losh 2001-08-16 05:20:01 UTC
Insert a pccard modem.  Watch the system hang.

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....
Comment 1 Jens Schweikhardt freebsd_committer freebsd_triage 2002-08-09 21:01:18 UTC
State Changed
From-To: open->feedback

The pccard code has seen quite a few commits. Does this 
problem still exist?
Comment 2 Doug Barton freebsd_committer freebsd_triage 2003-01-23 10:24:59 UTC
State Changed
From-To: feedback->closed


Feedback timeout