Hi @narsimharaj pentam<mailto:pnarsimha...@gmail.com>, Is it multiple threads or multiple processes as the secondary as Maayan mentioned? BTW, is it a bond configuration?
From: Maayan Kashani <mkash...@nvidia.com> Sent: Wednesday, December 4, 2024 3:36 PM To: narsimharaj pentam <pnarsimha...@gmail.com>; users@dpdk.org Subject: RE: mlx5_stats_get reports crash: invalid ibv_context External email: Use caution opening links or attachments Hi, Narsimha, Sorry for the late response, in mlx5 stats we do mention that - For secondary process: - "out_of_buffer" statistics is not supported. Do you have some testpmd reproduction? Regards, Maayan Kashani From: narsimharaj pentam <pnarsimha...@gmail.com<mailto:pnarsimha...@gmail.com>> Sent: Wednesday, 28 February 2024 6:32 To: users@dpdk.org<mailto:users@dpdk.org> Subject: mlx5_stats_get reports crash: invalid ibv_context External email: Use caution opening links or attachments Hi Team, A crash is observed on MLX5 device while fetching stats "mlx5_stats_get" , looks like ibv_context is getting corrupted ( ibctx=0x1ede838800001e) We do access the stats from multiple threads simultaneously , does this create any issue ? Platform details: Platform : VM Hypervisor : Linux KVM Cloud : None Application : 64-bit Datapath : DPDK DPDK : dpdk-22.11.1 Library : libmlx5-rdmav34.so Program terminated with signal 11, Segmentation fault. #0 0x00007ffff0114c83 in mlx5_get_dv_ops (ibctx=0x1ede838800001e) at ../providers/mlx5/mlx5.c:2734 2734 ../providers/mlx5/mlx5.c: No such file or directory. (gdb) bt #0 0x00007ffff0114c83 in mlx5_get_dv_ops (ibctx=0x1ede838800001e) at ../providers/mlx5/mlx5.c:2734 #1 0x00007ffff012f378 in mlx5dv_devx_obj_query (obj=0x27cabd0 <SipMedia::SipMedia(SipMedia const&)+1120>, in=0x7fffa6badb20, inlen=32, out=0x7fffa6badb40, outlen=1024) at ../providers/mlx5/verbs.c:5808 #2 0x0000000004fc0eeb in mlx5_devx_cmd_queue_counter_query (dcs=0x31131be2b2c0, clear=clear@entry=0, out_of_buffers=out_of_buffers@entry=0x7fffa6bae010) at ../usbc_gnu_src/drivers/common/mlx5/mlx5_devx_cmds.c:2845 #3 0x00000000052ec96d in mlx5_os_read_dev_stat (priv=priv@entry=0x31131bf66400, ctr_name=<optimized out>, ctr_name@entry=0x5b6fcc2 "out_of_buffer", stat=stat@entry=0x7fffa6bae010) at ../usbc_gnu_src/drivers/net/mlx5/linux/mlx5_os.c:2684 #4 0x00000000053719e4 in mlx5_stats_get (dev=<optimized out>, stats=0x7fffa6bae690) at ../usbc_gnu_src/drivers/net/mlx5/mlx5_stats.c:155 #5 0x0000000005076873 in rte_eth_stats_get () at ../usbc_gnu_src/lib/ethdev/rte_ethdev.c:2733 BR Narsimha
