md/xfs issues

Solution Unverified - Updated -

Issue

  • Since our mass reboot from metldown patching (we were running a lot of different kernel), we experiencing some md/xfs issues.
  • Some other users have seen the same issue on centos forum with a bunch of kernels : https://bugs.centos.org/view.php?id=13843
  • We don't have a reproducer yet unfortunately.
  • They are speaking about bugzilla BZ#1493585 being fixed in RHEL 7.5 beta
  • Could we get details/access to see if we can find a reproducer and triggers it
  • Any other pointer you may have would be useful.
  • Machines get stuck and all new processes are stuck on the same backtrace .
  • We couldn't get a sosreport when the machine is in this state.
  • Our strategy is to try rhel 7.5 beta, but without a reproducer we are not sure we fixed it.

Environment

Red Hat Enterprise Linux 7

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