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
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