[Bug 1917414] Please test proposed package

[Łukasz Zemczak]

Hello Insanemal, or anyone else affected,

Accepted ceph into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/ceph/15.2.11-0ubuntu0.20.04.2 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

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https://bugs.launchpad.net/bugs/1917414

Title:
  Ceph-osd fails to start with "error while loading shared libraries:
  cannot make segment writable for relocation: Permission denied"

Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Focal:
  Fix Committed
Status in ceph source package in Groovy:
  Fix Committed
Status in ceph source package in Hirsute:
  Fix Released

Bug description:
  [Impact]
  Ceph Daemons will not start on arm64

  [Test Case]
  Install ceph on arm64 based servers
  Daemons will fail to startup with the error message as recorded in the original bug report

  [What might got wrong]
  Use of the ISA-L Erasure Coding library was enabled for ARM64 in a point release of octopus (15.2.8).  Ceph daemons make use of MemoryDenyWriteExecute=true in systemd configurations and the ISA-L support for ARM64 uses some text relocation which breaks under this configuration.   Fix was picked from the ISA-L code base.

  
  [Original bug report]
  OSD's fail to start with "error while loading shared libraries: cannot make segment writable for relocation: Permission denied"

  The specific library is libec_isa.so

  And it appears to be while the OSD is starting the Jerasure modules.

  I'm going to assume its not compiled with no-PIC which might be a
  hold-over from previous releases?

  Hardware is Rasberry PI 4 4GB
  Ubuntu is 20.04 LTS downloaded on the 1/3/2021 (Or for US date format 3/1/2021)

  Package version is: 15.2.8-0ubuntu0.20.04.1

  Bug reporter wouldn't let me select
  https://launchpad.net/ubuntu/focal/arm64/ceph-
  osd/15.2.8-0ubuntu0.20.04.1 as the package

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