From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 887] mlx5: cannot probe ConnectX-6 Dx if socket-limit is too small on NUMA socket 0
Date: Wed, 17 Nov 2021 19:16:25 +0000 [thread overview]
Message-ID: <bug-887-3@http.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=887
Bug ID: 887
Summary: mlx5: cannot probe ConnectX-6 Dx if socket-limit is
too small on NUMA socket 0
Product: DPDK
Version: 21.08
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: sunnylandh@gmail.com
Target Milestone: ---
Our client has a ConnectX-6 Dx Ethernet adapter, installed on a PCI slot
belonging to NUMA socket 1.
When DPDK is initialized with flags "--socket-limit 1,2048 -a c1:00.0", PCI
probe fails with this message:
EAL: No available 2048 kB hugepages reported
EAL: No free 2048 kB hugepages reported on node 0
EAL: No free 2048 kB hugepages reported on node 1
EAL: No available 2048 kB hugepages reported
mlx5_net: probe of PCI device 0000:c1:00.0 aborted after encountering an error:
Cannot allocate memory
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:c1:00.0 cannot be used
EAL: Bus (pci) probe failed.
I suspect somewhere in the driver is trying to allocate certain objects on NUMA
socket 0, but I don't know which.
It should be changed to allow allocation on any NUMA socket.
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