Kernel 5.12 RC (Release Candidate) series

[xyz-t]

5.12.0-051200rc5daily20210404-generic #202104032200 SMP Sun Apr 4 02:03:49 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

[Doug S]

kernel 5.12-rc6 has been released. Observe these kernel configuration differences between Ubuntu mainline PPAs -rc5 and -rc6:

doug@s19:~/temp-k-git/linux$ scripts/diffconfig .config-5.12.0-051200rc5-lowlatency .config-5.12.0-051200rc6-lowlatency
 ATH11K_DEBUGFS n -> y
 ATH11K_TRACING n -> y
 KFENCE n -> y
+ATH11K_SPECTRAL y
+KFENCE_NUM_OBJECTS 255
+KFENCE_SAMPLE_INTERVAL 0
+KFENCE_STATIC_KEYS y
+KFENCE_STRESS_TEST_FAULTS 0

I still get dependency warning during compile:

doug@s19:~/temp-k-git/linux$ time make -j13 olddefconfig bindeb-pkg LOCALVERSION=-stock

WARNING: unmet direct dependencies detected for ADI_AXI_ADC
  Depends on [n]: IIO [=m] && HAS_IOMEM [=y] && OF [=n]
  Selected by [m]:
  - AD9467 [=m] && IIO [=m] && SPI [=y]
#
# configuration written to .config
#
  SYNC    include/config/auto.conf.cmd

WARNING: unmet direct dependencies detected for ADI_AXI_ADC
  Depends on [n]: IIO [=m] && HAS_IOMEM [=y] && OF [=n]
  Selected by [m]:
  - AD9467 [=m] && IIO [=m] && SPI [=y]

WARNING: unmet direct dependencies detected for ADI_AXI_ADC
  Depends on [n]: IIO [=m] && HAS_IOMEM [=y] && OF [=n]
  Selected by [m]:
  - AD9467 [=m] && IIO [=m] && SPI [=y]

WARNING: unmet direct dependencies detected for ADI_AXI_ADC
  Depends on [n]: IIO [=m] && HAS_IOMEM [=y] && OF [=n]
  Selected by [m]:
  - AD9467 [=m] && IIO [=m] && SPI [=y]
  UPD     include/config/kernel.release
sh ./scripts/package/mkdebian
dpkg-buildpackage -r"fakeroot -u" -a$(cat debian/arch)  -b -nc -uc
dpkg-buildpackage: info: source package linux-5.12.0-rc6-stock

[xyz-t]

https://bugzilla.kernel.org/show_bug.cgi?id=212675

dpkg --list | grep linux-image
ii  linux-image-5.11.0-14-generic                 5.11.0-14.15                                                         amd64        Signed kernel image generic
ii  linux-image-generic                           5.11.0.14.15                                                         amd64        Generic Linux kernel image
ii  linux-image-unsigned-5.12.0-051200rc7-generic 5.12.0-051200rc7.202104112331                                        amd64        Linux kernel image for version 5.12.0 on 64 bit x86 SMP

[Doug S]

https://bugzilla.kernel.org/show_bug.cgi?id=212675

Was that bug report entered by you, i.e. are you "Mik"? I ask because it is an upstream bug report, but refers to things like "Proposed", which is a distro specific reference.

[Doug S]

Mainline Kernel 5.12 seems to have a dependency change which is problem for my main 20.04 test server.
I am a bit behind and didn't know until I saw this question over on askubuntu.

Requires libc >=2.33

but focal is at 2.31-0ubuntu9.2

However, if I compile myself, it installs fine. I.E. the dependency is compiler version dependent.