Ubuntu
linux package

  1. Bug #1997213
  2. Comment #24

Comment 24 for bug 1997213

Revision history for this message
Kai-Heng Feng (kaihengfeng) wrote :

The AHCI controller LPM policy was default to low power, which doesn't support hotplug.
Please change "/sys/class/scsi_host/hostX/link_power_management_policy" to max_performance [1] to support hotplug.

https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-scsi_host