From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 915] [20.11.4-rc1][mlx5] segfault when changing number of rxqs
Date: Wed, 22 Dec 2021 17:01:15 +0000 [thread overview]
Message-ID: <bug-915-3@http.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=915
Bug ID: 915
Summary: [20.11.4-rc1][mlx5] segfault when changing number of
rxqs
Product: DPDK
Version: 20.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: alialnu@nvidia.com
Target Milestone: ---
$ build/app/dpdk-testpmd -n 4 -a
0000:00:07.0,dv_flow_en=1,rxqs_min_mprq=1,mprq_log_stride_num=11,mprq_log_stride_size=8,mprq_en=1
-a
0000:00:08.0,dv_flow_en=1,rxqs_min_mprq=1,mprq_log_stride_num=11,mprq_log_stride_size=8,mprq_en=1
-- --mbcache=512 -i --txd=8192 --rxd=8192
> port stop all
> port config all rxq 4
> port start all
Result is a segfault with the following trace:
#0 0x0000555555f76c01 in mlx5_mr_update_mp ()
#1 0x00005555557ecbbf in mlx5_dev_start ()
#2 0x0000555555c5bfaf in rte_eth_dev_start ()
#3 0x0000555555b1aba6 in start_port.part ()
#4 0x0000555555c53f6f in cmdline_parse ()
#5 0x0000555555c52db4 in cmdline_valid_buffer ()
#6 0x0000555555c565eb in rdline_char_in ()
#7 0x0000555555c52e89 in cmdline_in ()
#8 0x0000555555c53050 in cmdline_interact ()
#9 0x0000555555894176 in main ()
OS: Ubuntu 20.04
NIC: ConnectX-5
MLNX_OFED: MLNX_OFED_LINUX-5.5-1.0.3.2
FW: 16.32.1010
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