Re: [Bug 1882241] Re: file transfer over cifs to 64bit guest corrupts large files

[Stefan Hajnoczi]

On Wed, Jun 17, 2020 at 02:55:55PM -0000, timsoft wrote:
> thanks for the suggestion. I tried using netcat (nc) to transfer a large file 
> from host to guest, and also from fileserver to guest with the problematic 
> i82551 emulated network adapter on the host and the files transfered 
> reliably. (correct md5sum 3 out of 3 attempts)
> I also tried md5sum of the same file mounted on the guest fs as before and it 
> still corrupts the data.
> this seems to imply there is something in the cifs implementation which 
> reacts adversly with this particular combination of virtual network hardware, 
> the fact it works with the vmxnet3 emulated card, would support that 
> conclusion.

I'm not sure if someone will look into it because the eepro100
(i82551) NIC device is old an not used much nowadays.

However, if someone does decide to investigate and wants to brainstorm
debugging ideas or needs help, feel free to contact me.

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