Subject: [Bug 204375] New: kernel 5.2.4 w. KASAN enabled fails to boot on a PowerMac G4 3,6 at very early stage

From: [email-masked]
Date: Mon, 29 Jul 2019 23:24:54 +0000

https://bugzilla.kernel.org/show_bug.cgi?id=204375

            Bug ID: 204375
           Summary: kernel 5.2.4 w. KASAN enabled fails to boot on a
                    PowerMac G4 3,6 at very early stage
           Product: Platform Specific/Hardware
           Version: 2.5
    Kernel Version: 5.2.4
          Hardware: PPC-32
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: PPC-32
          Assignee: [email-masked]
          Reporter: [email-masked]
        Regression: No

I wanted to give KASAN a try to uncover even more bugs, but as it turns out a
KASAN enabled kernel does not boot at all on my PowerMac G4 MDD. ;)

Tried kernels 5.2.4 and 5.3-rc2, both without success. I can't give a dmesg as
the boot process stops/stalls very early, only showing two lines on an
OpenFirmware console (white background, black letters):

done
found display   : /pco@f0000000/ATY,AlteracParent@10/ATY,Alterac_B@1,
opening...

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