From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [dpdk-dev] [Bug 404] i40e: "i40e_res_pool_free(): Failed to find entry" error when rte_flow are flushed
Date: Fri, 21 Feb 2020 16:14:06 +0000 [thread overview]
Message-ID: <bug-404-3@http.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=404
Bug ID: 404
Summary: i40e: "i40e_res_pool_free(): Failed to find entry"
error when rte_flow are flushed
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: maxime.leroy@6wind.com
Target Milestone: ---
With dpdk master (commit id d0e160a00233), I got the following error when I try
to flush a rte_flow a second time (i.e. create a flow, delete, recreate and
then delete).
./build/app/testpmd --legacy-mem -c 1f -n 4 -w 0000:85:00.1 -- -i --rxq=1
--txq=1 --total-num-mbufs=10000
EAL: Detected 40 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Static memory layout is selected, amount of reserved memory can be
adjusted with -m or --socket-mem
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: No available hugepages reported in hugepages-1048576kB
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: PCI device 0000:85:00.1 on NUMA socket 1
EAL: probe driver: 8086:1583 net_i40e
EAL: using IOMMU type 1 (Type 1)
Interactive-mode selected
...
testpmd> flow create 0 ingress pattern eth / ipv4 / tcp dst is 179 / end
actions queue index 0 / end
Flow rule #0 created
testpmd> flow flush 0
testpmd> flow create 0 ingress pattern eth / ipv4 / tcp dst is 179 / end
actions queue index 0 / end
Flow rule #0 created
testpmd> flow flush 0
i40e_res_pool_free(): Failed to find entry
testpmd>
The error happens in i40e_res_pool_free:
4951│ /* Not find, return */
4952│ if (valid_entry == NULL) {
4953├> PMD_DRV_LOG(ERR, "Failed to find entry");
4954│ return -EINVAL;
4955│ }
4956│
(gdb) bt
#0 i40e_res_pool_free (pool=0x112c3fe510, base=0) at
/root/dpdk/drivers/net/i40e/i40e_ethdev.c:4953
#1 0x000055718b6fa489 in i40e_vsi_release (vsi=0x20015ab80) at
/root/dpdk/drivers/net/i40e/i40e_ethdev.c:5426
#2 0x000055718b8c6c8c in i40e_fdir_teardown (pf=0x112c3fe4f8) at
/root/dpdk/drivers/net/i40e/i40e_fdir.c:286
#3 0x000055718b97dc8e in i40e_flow_flush_fdir_filter (pf=0x112c3fe4f8) at
/root/dpdk/drivers/net/i40e/i40e_flow.c:5186
#4 0x000055718b97da24 in i40e_flow_flush (dev=0x55718e4e9300
<rte_eth_devices>, error=0x7fffd7360320) at
/root/dpdk/drivers/net/i40e/i40e_flow.c:5114
#5 0x000055718acc91dc in rte_flow_flush (port_id=0, error=0x7fffd7360320) at
/root/dpdk/lib/librte_ethdev/rte_flow.c:412
..
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