https://bugzilla.kernel.org/show_bug.cgi?id=215217
Bug ID: 215217
Summary: Kernel fails to boot at an early stage when built with
GCC_PLUGIN_LATENT_ENTROPY=y (PowerMac G4 3,6)
Product: Platform Specific/Hardware
Version: 2.5
Kernel Version: 5.16-rc3
Hardware: PPC-32
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: PPC-32
Assignee: platform_ppc...@kernel-bugs.osdl.org
Reporter: erhar...@mailbox.org
CC: christophe.le...@csgroup.eu
Regression: No
Created attachment 299871
--> https://bugzilla.kernel.org/attachment.cgi?id=299871&action=edit
kernel .config (5.16-rc3, PowerMac G4 DP)
Get this on my PowerMac G4 DP when I build a kernel with
GCC_PLUGIN_LATENT_ENTROPY=y. The kernel gets decompressed but shortly
afterwards the machine freezes, displaying in black letters on an entirely
white screen:
done
found display : /pci@f0000000/ATY,AlteracParent@10/ATY,Alterac_B@1,
opening...
Same kernel config built without GCC_PLUGIN_LATENT_ENTROPY just boots fine.
Happens on v5.15.5 and v5.16-rc3. I did not test other kernel versions yet.
My Talos II (Power9) on the other hand just works fine with a
GCC_PLUGIN_LATENT_ENTROPY=y built kernel.
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