kern/37910: pcn errors on IBM pcn cards

[root%garbled.net@localhost]

>Number:         37910
>Category:       kern
>Synopsis:       pcn errors on IBM pcn cards
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jan 29 18:30:00 +0000 2008
>Originator:     Tim Rightnour
>Release:        NetBSD 4.0_BETA2
>Organization:
        
>Environment:
        
        
System: NetBSD polaris.garbled.net 4.0_BETA2 NetBSD 4.0_BETA2 (GENERIC) #14: 
Sun Mar 25 01:26:44 MST 2007 
root%polaris.garbled.net@localhost:/usr/src/obj/i386/sys/arch/i386/compile/GENERIC
 i386
Architecture: powerpc
Machine: prep
>Description:

This happens on both prep in 4.0, and ofppc with 4.99.51, on two physically
different cards of the same model.

ofppc machine:
pcn0 at pci0 dev 16 function 0: AMD PCnet-PCI Ethernet
pcn0: Am79c971 PCnet-FAST rev 6, Ethernet address 00:04:ac:e4:a1:a5
pcn0: interrupting at irq 18
nsphy0 at pcn0 phy 1: DP83840 10/100 media interface, rev. 1
nsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ukphy0 at pcn0 phy 31: Generic IEEE 802.3u media interface
ukphy0: Am79C972 internal 10BASE-T interface (OUI 0x000058, model 0x0001), rev. 
1
ukphy0: 10baseT, 10baseT-FDX, auto

prep machine:
pcn0 at pci1 dev 2 function 0: AMD PCnet-PCI Ethernet
pcn0: Am79c971 PCnet-FAST rev 5, Ethernet address 00:60:94:9d:cd:e2
pcn0: interrupting at irq 26
nsphy0 at pcn0 phy 1: DP83840 10/100 media interface, rev. 1
nsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ukphy0 at pcn0 phy 31: Generic IEEE 802.3u media interface
ukphy0: OUI 0x000058, model 0x0001, rev. 1
ukphy0: 10baseT, 10baseT-FDX, auto

pcn0: CRC error
pcn0: CRC error
pcn0: framing error
pcn0: CRC error
pcn0: CRC error

During any amount of network traffic, my console gets flooded with the above
errors.

        
>How-To-Repeat:
Use pcn0 with an IBM pcn card.
        
>Fix:
No clue.
        

>Unformatted: