https://dpdk.org/tracker/show_bug.cgi?id=52
Bug ID: 52
Summary: Bonding PMD may fail to accept new slaves in certain
conditions
Product: DPDK
Version: 18.05
Hardware: All
OS: All
Status: CONFIRMED
Severity: minor
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: radu.nico...@intel.com
Target Milestone: ---
When using testpmd to test bonding, the following sequence of commands will
fail as described:
testpmd> port stop all
testpmd> create bonded device 4 0
testpmd> add bonding slave 0 2
testpmd> add bonding slave 1 2
__eth_bond_slave_add_lock_free(352) - Invalid link properties for slave 1 in
bonding mode 4
Failed to add slave 1 to master port = 2
Root cause is a mismatch in port link status caused by testpmd implementation
that does not re-check all ports, but stops at the first port that shows link
down.
To work around the issue insert "show port info all" command after "port stop
all" if using testpmd, or make sure that the application either calls
rte_eth_link_get on all ports that will be bound, or on none of them.
Patch addressing the issue: https://dpdk.org/dev/patchwork/patch/39567/
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