Verified on Utopic: $ sudo lspci -s 00:1c.0 -v -v | grep ASPM LnkCap: Port #1, Speed 5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <1us, L1 <4us LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- CommClk-
Verified on Utopic:
$ sudo lspci -s 00:1c.0 -v -v | grep ASPM
LnkCap: Port #1, Speed 5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <1us, L1 <4us
LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- CommClk-