Re: EVL: Kernel WARNING
Philippe Gerum <[email protected]> Sun, 05 Jul 2026 17:04:15 +0200
| Newsgroups | dev.linux.lists.xenomai |
|---|---|
| Message-ID | <[email protected]> |
Hannes Diethelm <[email protected]> writes: > Am 04.07.26 um 20:05 schrieb Hannes Diethelm: >> Hi >> After updating to the lastest v6.12.y-cip-evl-rebase, I have a >> kernel WARNING in the igb driver if I use my oob-net-icmp.c (Patch >> submitted) >> Exact commits good...bad: >> linux-evl efed612...55591d4 >> libevl 3e5577d..f7b7df4 >> Regards >> Hannes >> ... > > Update: > > - It fails after ~240...253 packages. After that, no ping response is received any more > - I use "sudo ./oob-net-ping -i enp7s0 -a 192.168.122.1 -w 1000" so it fails faster > - Also without -w 1000, it fails, you just have to wait longer > - With an I350 card, I get the kernel WARNING > - In a VM with an e1000e, I don't get a warning but still after ~250 packages, no response is > received any more > - After evl net -di / evl net -ei, it works for another ~250 packages until it fails again > - With the good version, I tested ~1M packages, all fine, max 60 us response time on the real PC Ok, I can reproduce this easily with oob-net-ping as you described. This also happens with an (arm-based) FEC driver, which confirms that this is a generic issue - maybe in the packet protocol module? - not a driver specific bug. Working on it. -- Philippe.