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* [dpdk-dev] [Bug 701] mlx5: reading xstats smashes stack
@ 2021-05-11  7:50 bugzilla
  0 siblings, 0 replies; only message in thread
From: bugzilla @ 2021-05-11  7:50 UTC (permalink / raw)
  To: dev

            Bug ID: 701
           Summary: mlx5: reading xstats smashes stack
           Product: DPDK
           Version: 20.11
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
  Target Milestone: ---

When reading xstats via mlx5 driver *before the port* is started, such
application crashes with "stack smashing detected". After the port is started
(and then stoped), it does not happen anymore.

Terminal 1:

# dpdk-testpmd -a 0000:04:00.0 -- -i --disable-device-start
EAL: RTE Version: 'DPDK 20.11.1'
EAL: Probe PCI driver: mlx5_pci (15b3:101d) device: 0000:04:00.0 (socket 0)

Terminal 2:

# dpdk-proc-info -- --xstats
Device 0000:04:00.1 is not driven by the primary process
mlx5_pci: can not attach rte ethdev
mlx5_pci: probe of PCI device 0000:04:00.1 aborted after encountering an error:
Cannot allocate memory
common_mlx5: Failed to load driver = mlx5_pci.

EAL: Requested device 0000:04:00.1 cannot be used
EAL: Cannot find resource for device
EAL: No legacy callbacks, legacy socket not created
*** stack smashing detected ***: dpdk-proc-info terminated
======= Backtrace: =========
======= Memory map: ========

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2021-05-11  7:50 [dpdk-dev] [Bug 701] mlx5: reading xstats smashes stack bugzilla

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