Comment 124 for bug 1746340

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Kai-Heng Feng (kaihengfeng) wrote :

So the ASPM is indeed disabled:
  LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+

Can yo try disabling the deepest power state under this kernel? i.e. use "nvme-core.default_ps_max_latency_us=1500".