Re: [PATCH net-next v10 08/16] tls: Inline do_tcp_sendpages()

From: Tariq Toukan
Date: Sun Jul 23 2023 - 02:36:10 EST




On 05/07/2023 19:19, Jakub Kicinski wrote:
On Tue, 4 Jul 2023 23:06:02 +0300 Tariq Toukan wrote:
Unfortunately, it still repros for us.

We are collecting more info on how the repro is affected by the
different parameters.

Consider configuring kdump for your test env. Debugging is super easy
if one has the vmcore available.

Hi Jakub, David,

We repro the issue on the server side using this client command:
$ wrk -b2.2.2.2 -t4 -c1000 -d5 --timeout 5s https://2.2.2.3:20443/256000b.img

Port 20443 is configured with:
ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256;
sendfile off;


Important:
1. Couldn't repro with files smaller than 40KB.
2. Couldn't repro with "sendfile on;"

In addition, we collected the vmcore (forced by panic_on_warn), it can be downloaded from here:
https://drive.google.com/file/d/1Fi2dzgq6k2hb2L_kwyntRjfLF6_RmbxB/view?usp=sharing

Regards,
Tariq