Re: [netdev] htb_qlen_notify warning triggered after qdisc_tree_reduce_backlog change
From: Jakub Kicinski <kuba@kernel.org>
Date: 2025-08-08 20:29:16
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On Wed, 6 Aug 2025 08:29:34 +0000 He, Guocai (CN) wrote:
### Environment - Kernel version: 5.15.189-rt76-yocto-preempt-rt - Open vSwitch version: 2.17.9
### Issue After applying the QoS configuration, the following warning appears in dmesg: [73591.168117] WARNING: CPU: 6 PID: 61296 at net/sched/sch_htb.c:609 htb_qlen_notify+0x3a/0x40 [sch_htb]
Is the issue easily reproducible ? Could you try your reproducer on the latest upstream kernel ?