Comment 4 for bug 1880943

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Kai-Heng Feng (kaihengfeng) wrote :

Tried 4.15.0-102, 5.4.0-33 and mailing kernel all three show similar performance (~2100MB/s).

Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7-rc7/

And decide what's the next step based on the performance of mainline kernel.