Affinity broken due to vector space exhaustion.

[Ravi Chintala]

HW AS-2123BT-HTR AMD EPYC 7351

is stable with 18.04 but when we did an update for security the we have this error.

No Issues with this Ubuntu 18.04 Linux efsql4 4.15.0-46-generic #49-Ubuntu SMP Wed Feb 6 09:33:07 UTC
2019 x86_64 x86_64 x86_64 GNU/Linux

We are seeing the following error with this kernel after the update.
Linux incwosql1 4.15.0-118-generic #119-Ubuntu SMP Tue Sep 8 12:30:01 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

[  337.056983] irq 99: Affinity broken due to vector space exhaustion.
[  337.056993] irq 100: Affinity broken due to vector space exhaustion.
[  337.057001] irq 101: Affinity broken due to vector space exhaustion.
[  337.057008] irq 102: Affinity broken due to vector space exhaustion.
[  337.057035] irq 107: Affinity broken due to vector space exhaustion.
[  337.057073] irq 114: Affinity broken due to vector space exhaustion.
[  337.057080] irq 115: Affinity broken due to vector space exhaustion.
[  337.057097] irq 118: Affinity broken due to vector space exhaustion.
[  337.057103] irq 119: Affinity broken due to vector space exhaustion.
[  337.057115] irq 121: Affinity broken due to vector space exhaustion.
[  337.057121] irq 122: Affinity broken due to vector space exhaustion.
[  337.057128] irq 123: Affinity broken due to vector space exhaustion.
[  337.057156] irq 128: Affinity broken due to vector space exhaustion.

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

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[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1900927

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Launchpad Janitor (janitor)]

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