Comment # 33
on bug 105760
from Alex Deucher
(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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