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distributor/test_multiple_ports: Failed to map pci BAR4 only in SLES15_SP1

dpdk-dev [email protected] 1 participant 2 messages Sep 23, 2020 – Sep 28, 2020

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author Acked-by Andrew Rybchenko
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https://bugs.dpdk.org/show_bug.cgi?id=539

Bug ID: 539
Summary: [dpdk-20.11] distributor/test_multiple_ports: Failed
to map pci BAR4 only in SLES15_SP1
Product: DPDK
Version: 20.11
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: examples
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---

--------------------------------reproduce steps-----------------------------------
1.bind pci to dpdk driver
usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:81:00.0 0000:81:00.1

2.start dpdk-distributor x86_64-native-linuxapp-gcc/examples/dpdk-distributor -c 0xfc00 -n 4 -w 0000:81:00.0 -w 0000:81:00.1 -- -p 0x3

3.ouput
# linux-4fr6:~/dpdk # x86_64-native-linuxapp-gcc/examples/dpdk-distributor -c 0xfc00 -n 4 -w 0000:81:00.0 -w 0000:81:00.1 -- -p 0x3
EAL: Detected 40 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: 1024 hugepages of size 2097152 reserved, but no mounted hugetlbfs found for that size

EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL:   using IOMMU type 1 (Type 1)
EAL: Failed to map pci BAR4
EAL:   0000:81:00.0 mapping BAR4 failed: Success
EAL: Requested device 0000:81:00.0 cannot be used
EAL: Failed to map pci BAR4
EAL:   0000:81:00.1 mapping BAR4 failed: Success
EAL: Requested device 0000:81:00.1 cannot be used
EAL: Bus (pci) probe failed.
EAL: No legacy callbacks, legacy socket not created
POWER: Env isn't set yet!
POWER: Attempting to initialise ACPI cpufreq power management...
POWER: Initialized successfully for lcore 11 power management
POWER: Initialized successfully for lcore 12 power management
POWER: Initialized successfully for lcore 13 power management
POWER: Initialized successfully for lcore 14 power management
POWER: Initialized successfully for lcore 15 power management
EAL: Error - exiting with code: 1

Cause: Error: no ethernet ports detected

4.expected result
# It run normally.
Regression

5.bad commit
Is this issue a regression: (Y)

Version the regression was introduced: e200535c1ca382c518da810ab484e3f0660d351d

[root@localhost dpdk]# git show e200535c1ca382c518da810ab484e3f0660d351d commit e200535c1ca382c518da810ab484e3f0660d351d (HEAD)
Author: David Marchand <[email protected]>
Date: Thu Sep 17 13:28:21 2020 +0200

mem: drop mapping API workaround

Now that the pci_map_resource API is private to the PCI bus, we can drop the compatibility workaround we had implemented in 20.08.

Signed-off-by David Marchand <[email protected]>
Acked-by Andrew Rybchenko <[email protected]>
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#1 lore raw

https://bugs.dpdk.org/show_bug.cgi?id=539

lingwei ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------

         Resolution|---                         |FIXED
             Status|CONFIRMED                   |RESOLVED

--- Comment #3 from lingwei ([email protected]) --- Verified patchset http://patches.dpdk.org/patch/78968/ on baseline f5d6738c2ec10170b0e03eb9ff95544be0559641.

Tested-by on sageville/SLES15-SP1

https://mails.dpdk.org/archives/dev/2020-September/183166.html

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