netdev - Re: [net-next, v2, 1/2] net: stmmac: Rework coalesce timer and fix multi-queue races

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <49853fcd-dac6-147b-736e-1cd2bd5924e5@synopsys.com>
Date:   Tue, 11 Sep 2018 09:17:48 +0100
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     Neil Armstrong <narmstrong@...libre.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>, <netdev@...r.kernel.org>
CC:     Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        "David S. Miller" <davem@...emloft.net>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        "Giuseppe Cavallaro" <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>
Subject: Re: [net-next, v2, 1/2] net: stmmac: Rework coalesce timer and fix
 multi-queue races

On 10-09-2018 19:15, Neil Armstrong wrote:
>
> RX is still ok but now TX fails almost immediately...
>
> With 100ms report :
>
> $ iperf3 -c 192.168.1.47 -t 0 -p 5202 -R -i 0.1
> Connecting to host 192.168.1.47, port 5202
> Reverse mode, remote host 192.168.1.47 is sending
> [  4] local 192.168.1.45 port 45900 connected to 192.168.1.47 port 5202
> [ ID] Interval           Transfer     Bandwidth
> [  4]   0.00-0.10   sec  10.9 MBytes   913 Mbits/sec
> [  4]   0.10-0.20   sec  11.0 MBytes   923 Mbits/sec
> [  4]   0.20-0.30   sec  6.34 MBytes   532 Mbits/sec
> [  4]   0.30-0.40   sec  0.00 Bytes  0.00 bits/sec
> [  4]   0.40-0.50   sec  0.00 Bytes  0.00 bits/sec
> [  4]   0.50-0.60   sec  0.00 Bytes  0.00 bits/sec
> [  4]   0.60-0.70   sec  0.00 Bytes  0.00 bits/sec
> [  4]   0.70-0.80   sec  0.00 Bytes  0.00 bits/sec
> [  4]   0.80-0.90   sec  0.00 Bytes  0.00 bits/sec
> [  4]   0.90-1.00   sec  0.00 Bytes  0.00 bits/sec
> [  4]   1.00-1.10   sec  0.00 Bytes  0.00 bits/sec
> ^C[  4]   1.10-1.10   sec  0.00 Bytes  0.00 bits/sec
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bandwidth
> [  4]   0.00-1.10   sec  0.00 Bytes  0.00 bits/sec                  sender
> [  4]   0.00-1.10   sec  28.2 MBytes   214 Mbits/sec                  receiver
> iperf3: interrupt - the client has terminated
>
> Neil

Ok, here goes another incremental patch. If this doesn't work can
you please send me a link to the spec of the board you are using ?

Thanks and Best Regards,
Jose Miguel Abreu


View attachment "0001-fixup_coalesce_4.patch" of type "text/x-patch" (2740 bytes)