canonical-ubuntu-qa team mailing list archive

[Frank Heimes <1927076@xxxxxxxxxxxxxxxxxx>]

Meanwhile impish reached it's end of life
and starting with Ubuntu 22.04 LTS, POWER9 and POWER10 processors are supported
and the support for POWER8 ended with Ubuntu 21.10, respectively Ubuntu 20.04 LTS
(https://ubuntu.com/download/server/power)
and this bug is limited to P8,
I'm going to close the 'affects Impish' entry to 'Won't Fix'.

** Changed in: linux (Ubuntu Impish)
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/1927076

Title:
  IPv6 TCP in reuseport_bpf_cpu from ubuntu_kernel_selftests/net crash
  P8 node entei (Oops: Exception in kernel mode, sig: 4 [#1])

Status in ubuntu-kernel-tests:
  New
Status in The Ubuntu-power-systems project:
  Incomplete
Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Focal:
  Confirmed
Status in linux source package in Hirsute:
  Won't Fix
Status in linux source package in Impish:
  Won't Fix

Bug description:
  It looks like our P8 node "entei" tend to fail with the IPv6 TCP test
  from reuseport_bpf_cpu in ubuntu_kernel_selftests/net on 5.8 kernels:

   # send cpu 119, receive socket 119
   # send cpu 121, receive socket 121
   # send cpu 123, receive socket 123
   # send cpu 125, receive socket 125
   # send cpu 127, receive socket 127
   # ---- IPv6 TCP ----
  publish-job-status: using request.json

  It failed silently here, this can be 100% reproduced with Groovy 5.8
  and Focal 5.8.

  This will cause the ubuntu_kernel_selftests being interrupted, the
  test result for other tests cannot be processed to our result page.

  Please find attachment for the complete "net" test result on this node
  with Groovy 5.8.0-52.59

  Add the kqa-blocker tag as this might needs to be manually verified.

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