Am 23.01.2018 um 23:13 schrieb Francois Romieu:
>
> It helps. Can you try the snippet below ?
It seems to fix the issue - I could not reproduce memory corruption anymore
neither on an Ubuntu 17.10.1 live system (with patched kernel module)
nor on my Gentoo system (4.14.12 with your patch applied)
Am 23.01.2018 um 16:28 schrieb David Miller:
> Looking at how these DMA counters are handled, there appears to be a
> requirement that the memory buffer is 64-byte aligned.
>
> [...]
>
> Therefore the driver needs to allocate "size + (64 - 1)" bytes and do
> the 64-byte alignment of the CPU point
Dear Francois, other r8169 experts,
Am 22.01.2018 um 01:09 schrieb Francois Romieu:
> Are you able to retrieve the layout ? That is, does it appear to match:
>
> - r8169 hardware stats DMA buffer ?
> TxOk, RxOk, TxErr, RxErr, ...
>
> - rtnl_link_stats ?
> rx_packets, tx_packets, rx_bytes, t
Am 22.01.2018 um 01:09 schrieb Francois Romieu:
> You said:
>
> Oliver Freyermuth :
> [...]
>> The values found in overwritten memory match those contained in
>> /proc/self/net/dev for the realtek ethernet device.
>
> Are you able to retrieve the layout ? Th
Hi,
Am 21.01.2018 um 21:48 schrieb Francois Romieu:
> Oliver Freyermuth :
> [...]
>
> Is it an AMD based system ?
>
No, all the systems on which I have observed this up to now are Intel-based.
Two Haswell and one Sandy Bridge system.
Cheers,
Oliver
Dear network experts,
please redirect me if this is the wrong place.
I have reproduced the following issue across three devices with different
Realtek card revisions
and different Distros (Debian 9, Ubuntu 17.04, Gentoo with kernels 4.9, 4.11.3,
4.14.12).
It's safely reproducible with at lea
