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apport-collect 2016991
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2016991
Title:
Regression in ena NIC - /sys/class/net/eth0/device/msi_irqs/ is empty
Status in linux package in Ubuntu:
Incomplete
Bug description:
It worked on kernel 5.15, and it doesn't on 5.19.
Running on AWS instance, with the following:
driver: ena
version: 5.19.0-1022-aws
firmware-version:
expansion-rom-version:
bus-info: 0000:00:03.0
supports-statistics: yes
supports-test: no
supports-eeprom-access: no
supports-register-dump: no
supports-priv-flags: no
Linux ip-10-0-1-194 5.19.0-1022-aws #23~22.04.1-Ubuntu SMP Fri Mar 17
15:38:24 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
dmesg:
[ 5.485138] ena 0000:00:03.0: ENA device version: 0.10
[ 5.485146] ena 0000:00:03.0: ENA controller version: 0.0.1 implementation
version 1
[ 5.487074] ena 0000:00:03.0: LLQ is not supported Fallback to host mode
policy.
...
[ 5.533589] ena 0000:00:03.0: Elastic Network Adapter (ENA) found at mem
83000000, mac addr 02:08:84:31:35:a9
Interrupt mapping:
210: 35669 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 xen-pirq -msi-x ena-mgmnt@pci:0000:00:03.0
211: 1079105381 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 xen-pirq -msi-x eth0-Tx-Rx-0
212: 0 1047885215 0 0 0 0
0 0 0 0 0 0 0
0 0 0 xen-pirq -msi-x eth0-Tx-Rx-1
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