From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Roland Franke" Subject: BUG: iproute2 4.14.1 tc class add come to kernel-panic Date: Mon, 29 Jan 2018 15:51:19 +0100 Message-ID: <9AD3E60C0FF644D9B0EB7D279E3FE8CC@ROLANDAMD64> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit To: Return-path: Received: from mout.kundenserver.de ([212.227.126.131]:62554 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751337AbeA2OvV (ORCPT ); Mon, 29 Jan 2018 09:51:21 -0500 Received: from ROLANDAMD64 ([87.160.49.113]) by mrelayeu.kundenserver.de (mreue007 [212.227.15.167]) with ESMTPSA (Nemesis) id 0MLmVT-1efLpb1XMp-000x8G for ; Mon, 29 Jan 2018 15:51:20 +0100 Sender: netdev-owner@vger.kernel.org List-ID: Starting with Kernel 4.14.1 (x86_64) I found the following problem: When I made the following commands: tc qdisc add dev eth0 root handle 20: htb default 4 r2q 1 tc class add dev eth0 parent 20: classid 20:7 htb rate 10000kbit tc qdisc add dev eth0 parent 20:7 sfq perturb 10 tc class add dev eth0 parent 20:7 classid 20:1 htb rate 200kbit ceil 10000kbit prio 0 I become an Kernel-panic with the following output: kern.err kernel: BUG: scheduling while atomic: tc/1036/0x00000200 The identical message come, when i try the kernel till 4.14.15. When i have tested the same with one of the kernels from the 4.13 series, i had no problem.Will this be solved in the kernel-series 4.14 or will this only with the coming series 4.15 be made? Kernel 4.15 is not be tested till now. Best regards, Roland Franke