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Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209

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Hello,

> I can try this weekend whether removing systemd makes a difference.
>
Installing sysvinit-core made no difference.
I tried the older backports-kernels and the problem exists already with
linux-image-4.12.0-0.bpo.2-marvell_4.12.13-1~bpo9+1_armel.deb.
(linux-image-4.11.0-0.bpo.1-marvell_4.11.6-1~bpo9+1_armel.deb crashed even
earlier:  [    0.000000] INITRD: 0x00800000+0x00400000 overlaps in-use
memory region - disabling initrd)

I found this bug report:
https://www.spinics.net/lists/arm-kernel/msg653367.html ([PROBLEM] orion5x:
Kernel boot panic at of_clk_get()/orion_mdio_probe() on a non DT box on
linux-4.16.7).

A working 4.9-kernel prints these messages:
[   24.542764] libphy: Fixed MDIO Bus: probed
[   24.586445] mv643xx_eth: MV-643xx 10/100/1000 ethernet driver version 1.4
[   24.635774] libphy: PHY orion-mdio-mii:08 not found
[   24.923918] libphy: orion_mdio_bus: probed
[   24.982809] mv643xx_eth_port mv643xx_eth_port.0 eth0: port 0 with MAC
address 00:08:9b:8c:3b:8f

With kernel > 4.12 you get e.g.:
[   23.588924] libphy: Fixed MDIO Bus: probed
[   41.006693] mv643xx_eth: MV-643xx 10/100/1000 ethernet driver version 1.4
[   41.082447] libphy: PHY orion-mdio-mii:08 not found
[   41.669309] libphy: PHY orion-mdio-mii:08 not found
[   41.674709] Unable to handle kernel NULL pointer dereference at virtual
address 0000000c
[   41.682935] pgd = (ptrval)
[   41.685714] [0000000c] *pgd=00000000
[   41.689321] Internal error: Oops: 5 [#1] ARM
.
.
Cheers

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Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209 Martin Michlmayr <tbm@cyrius.com> - 2018-09-24 14:20 +0200
  Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209 Roger Shimizu <rogershimizu@gmail.com> - 2018-09-26 01:20 +0200
    Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209 Ralf Hemberger <ralf.hemberger@gmail.com> - 2018-09-26 08:50 +0200
      Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209 Ralf Hemberger <ralf.hemberger@gmail.com> - 2018-10-02 22:00 +0200
        Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209 Martin Michlmayr <tbm@cyrius.com> - 2019-01-22 16:00 +0100
          Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209 Martin Michlmayr <tbm@cyrius.com> - 2019-05-09 11:20 +0200
            Bug#908712: linux-image-4.17.0-0.bpo.3-marvell: stretch-backports kernel 4.17 breaks QNAP TS-209 Martin Michlmayr <tbm@cyrius.com> - 2019-05-10 08:30 +0200

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