[Bug 105760] [4.17-rc1] RIP: smu7_populate_single_firmware_entry.isra.6+0x57/0xc0 [amdgpu] RSP: ffffa17901efb930

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105760

--- Comment #33 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Thomas Martitz from comment #21)
> 
> I assume this is some mapped memory and some HW component in the GPU writes
> to it while the CPU is using it, isn't it? If so, the proper fix would be to
> prevent that but I don't know what's the proper way of doing it in this
> context.

The CPU is writing to a buffer that the GPU ultimately reads.  Even if the data
in the buffer were corrupted by the GPU somehow, the CPU's pointer should still
be valid.  Can you add slub_debug=FPZU to the kernel command line in grub and
attach your dmesg output?

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