Re: TCP checksum errors on mec0 on an O2

On Sun, 24 Nov 2019 15:55:08 +0000
Sevan Janiyan <[email protected]> wrote:

> On 22/11/2019 16:15, George Harvey wrote:
> > I'm running NetBSD 8.1 on a R5000/180 O2 and seeing a lot of stalls and
> > hangs when using FTP to send files over the mec0 Ethernet interface.
> > Small files (less than around 4k) transfer successfully, anything much
> > larger fails. On the receiving machine, the files are truncated at
> > exactly 2896 bytes.
> 
> I ran into this issue earlier in the year on my r5k o2.
> http://gnats.netbsd.org/54194
> 

Yes, that's the same problem. Stalled transfers and checksum errors.
I've subsequently installed an old Asix PCI Ethernet card (tlp driver),
which works normally, so the problem is specific to the mec.

George