Kai-Heng,
Yes, but with ASPM disabled unfortunately even ASPT doesn't help enough.
:-(
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Title:
PCIe ASPM disabled even when enabled in FADT and
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1682711
Title:
PCIe ASPM disabled even when enabled in FADT and pcie_aspm=force /
set
Is cooling the NVMe is your goal? 4.10.0-19 already has NVMe APST
support. No sure if PCIe ASPM matters though.
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Title:
PCIe ASPM disabled even w
I sent a follow up email to Lenovo but don't expect to hear back from
them until sometime after next Monday.
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Title:
PCIe ASPM disabled even when
Talking to Matthew Garrett on irc he said that he thinks this may only
be fixable via an UEFI change.
04:33 < ccheney> anyone know if it is possible to change a setting in LnkCap on
a pci device? My pcie ports apparently have 'ASPM not supported' set and I need
to turn it on somehow
04:33 < cche
The setpci commands I used modified the LnkCtl option but not the LnkCap
values. I'm not sure but suspect that the LnkCap values are what are
causing the problem.
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LnkCap: Port #17, Speed 8GT/s, Width x4, ASPM not supported, Exit Latency L0s
<1us, L1 <16us
ClockPM- Surprise- LLActRep+