On Dec 6, 2007 4:05 PM,  <antiright@gmail.com> wrote:
> >Number:         37492
> >Category:       kern
> >Synopsis:       Conexant RS7112 (tlp) unreliable at 100 Mb/s, forcing media type broken
> >Confidential:   no
> >Severity:       non-critical
> >Priority:       medium
> >Responsible:    kern-bug-people
> >State:          open
> >Class:          sw-bug
> >Submitter-Id:   net
> >Arrival-Date:   Thu Dec 06 21:05:00 +0000 2007
> >Originator:     Jeffrey Bedard
> >Release:        4.99.40
> >Organization:
> University of Rhode Island
> >Environment:
> NetBSD mobile 4.99.40 NetBSD 4.99.40 (MOBILE) #3: Tue Dec  4 19:27:47 EST 2007  src@mobile:/opt/src/sys/arch/i386/compile/MOBILE i386
> >Description:
> When using a the Conexant RS7112 ethernet adapter with a 100Mb link
> on my Compaq Presario 1700 notebook, the connection is
> unreliable.  There are frequent timeout errors,
> CRC errors, and send errors.  On one switch, the link
> light for the connected port blinks constantly, though
> the connection is idle. Few packets are not dropped.
> Using the NIC on a 10Mb/s switch fixes the reliability problem.
> Trying to set the link speed to 10-TX or 10-T no longer works
> with recent kernels.  Previously, setting the media type
> allowed for a reliable link.
>
> $ dmesg | grep tlp0
> tlp0 at pci0 dev 9 function 0: Conexant RS7112 Ethernet, pass 0.8
> tlp0: interrupting at irq 9
> tlp0: Ethernet address <omitted>
> ukphy0 at tlp0 phy 1: Generic IEEE 802.3u media interface
> tlp0: transmit timeout
> >How-To-Repeat:
> Use a the Conexant RS7112 ethernet adapter with a 100Mb link.
> >Fix:
>
>

Media type selection (downgrade) now works.
I must test the full 100 Mb FDX  connection reliability.


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