Bug 22016

Summary: Some cards unusable in TCIC/Databook PCMCIA readers
Product: [Retired] Red Hat Linux Reporter: John Bass <jbass>
Component: kernelAssignee: Michael K. Johnson <johnsonm>
Status: CLOSED WONTFIX QA Contact: Brock Organ <borgan>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.0   
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2003-06-05 22:41:02 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description John Bass 2000-12-10 10:54:37 UTC
in cardmgr/probe.c:tcic_probe_at() the function first attempts to
determine if any device is in the slot ... and loops checking first
8 words and aborts if ANY are 0xfffff.

This is incorrect, since some un-initialized devices may have one or
more ports returning 0xffff ... in particular Aironet PC4800 do, and
are unusable in slots managed by tcic controllers (like Databook chips).

The correct choice would be to check for ALL ports returning 0xffff:

    /* Anything there? /*
    for (i = 0; i < 0x10; i+=2)
        if (tcic_getw(base, i) != 0xffff)
            break;
    /* if all registers/ports are floating do an error return - JBass */
    if(i == 0x10)
        return -1;

Comment 1 Alan Cox 2003-06-05 22:41:02 UTC
Current errata use the kernel pcmcia not the add on


Comment 2 John Bass 2003-06-06 03:10:51 UTC
This remains broken in both RH8 and RH8 using stock install and no add-on
software. In particular Aironet PC4800 cards which worked in previous releases
will no longer configure in the reader/adapter cards with DataBook chips, that
worked fine in previous releases.

I guess I need therefor to re-create the bug report in both RH8 and RH9?????