kern/42343: re(4) seems to fail to send some packets

[yamt%NetBSD.org@localhost]

>Number:         42343
>Category:       kern
>Synopsis:       re(4) seems to fail to send some packets
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Nov 18 14:50:00 +0000 2009
>Originator:     YAMAMOTO Takashi
>Release:        NetBSD 5.99.22
>Organization:
        
>Environment:
        
        
Architecture: i386
Machine: i386
>Description:
        it seems that re(4) fail to send some of forwarded
        packets on my pf nat box.
        if i replace it with ne(4) or tlp(4), they work fine with the same
        configuration.  (the only change was s/re0/tlp0/ in pf.conf)

re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        
capabilities=3f80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx,TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx>
        enabled=0
        address: 00:0f:b5:04:90:c4
        media: Ethernet autoselect (100baseTX full-duplex)
        status: active
        inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
        inet6 fe80::20f:b5ff:fe04:90c4%re0 prefixlen 64 scopeid 0x8

re0 at cardbus0 function 0: Realtek 10/100/1000baseT
re0: Ethernet address 00:0f:b5:04:90:c4
re0: using 256 tx descriptors
rgephy0 at re0 phy 7: RTL8169S/8110S/8211 1000BASE-T media interface, rev. 2
rgephy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto

>How-To-Repeat:
        
>Fix:
        

>Unformatted: