On Fri, 12 Jul 2019 20:04:26 +0000 bugzi...@dpdk.org wrote: > https://bugs.dpdk.org/show_bug.cgi?id=320 > > Bug ID: 320 > Summary: mlx4: info get fails in secondary process > Product: DPDK > Version: 19.08 > Hardware: All > OS: All > Status: UNCONFIRMED > Severity: normal > Priority: Normal > Component: other > Assignee: dev@dpdk.org > Reporter: step...@networkplumber.org > Target Milestone: --- > > Attempts to do dev_info_get in secondary process fail because the driver > handle > to infiniband (priv->ctx) is not valid in secondary process. This leads to: > > #0 0x00007ffff5d06ab4 in _IO_vfprintf_internal (s=s@entry=0x7fffffffe3c0, > format=<optimized out>, format@entry=0x7ffff496a605 "%s/device/net", > ap=ap@entry=0x7fffffffe528) at vfprintf.c:1635 > #1 0x00007ffff5d32599 in _IO_vsnprintf (string=0x7fffffffe4b0 "", > maxlen=<optimized out>, format=0x7ffff496a605 "%s/device/net", > args=args@entry=0x7fffffffe528) at vsnprintf.c:119 > #2 0x00007ffff5d0fd32 in __snprintf (s=s@entry=0x0, maxlen=maxlen@entry=0, > format=format@entry=0x7ffff496a605 "%s/device/net") at snprintf.c:34 > #3 0x00007ffff4720b8b in mlx4_get_ifname (priv=priv@entry=0xc0137e93c0, > ifname=ifname@entry=0x7fffffffe690) at > /usr/src/redhat/BUILD/dpdk-18.11/drivers/net/mlx4/mlx4_ethdev.c:71 > #4 0x00007ffff47214e4 in mlx4_dev_infos_get (dev=<optimized out>, > info=0x7fffffffe6e0) at > /usr/src/redhat/BUILD/dpdk-18.11/drivers/net/mlx4/mlx4_ethdev.c:583 > #5 0x00007ffff44b896c in rte_eth_dev_info_get (port_id=port_id@entry=0, > dev_info=dev_info@entry=0x7fffffffe6e0) at > /usr/src/redhat/BUILD/dpdk-18.11/lib/librte_ethdev/rte_ethdev.c:2532 >
I am testing a patch for this.
