It's still showing up with pcie_aspm=off (and ppa kernel): $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.11.0-041100rc6-generic root=UUID=e38db0de-7f52-4cab-839b-6bfb046d4665 ro acpi_rev_override quiet splash vt.handoff=7 pcie_aspm=off
$ dmesg (...) [ 352.877941] ata2.00: exception Emask 0x10 SAct 0x1000000 SErr 0x4050000 action 0xe frozen [ 352.877946] ata2.00: irq_stat 0x00000040, connection status changed [ 352.877948] ata2: SError: { PHYRdyChg CommWake DevExch } [ 352.877952] ata2.00: failed command: READ FPDMA QUEUED [ 352.877957] ata2.00: cmd 60/08:c0:18:f6:f0/00:00:11:00:00/40 tag 24 ncq dma 4096 in res 50/00:00:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error) [ 352.877959] ata2.00: status: { DRDY } [ 352.877963] ata2: hard resetting link [ 353.590145] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 353.591464] ata2.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded [ 353.591466] ata2.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out [ 353.591468] ata2.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out [ 353.591564] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04) [ 353.594283] ata2.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded [ 353.594285] ata2.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out [ 353.594286] ata2.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out [ 353.594354] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04) [ 353.595861] ata2.00: configured for UDMA/133 [ 353.595865] ahci 0000:00:17.0: port does not support device sleep [ 353.595921] ata2: EH complete [ 358.035306] ata2.00: exception Emask 0x10 SAct 0x800 SErr 0x4050000 action 0xe frozen [ 358.035309] ata2.00: irq_stat 0x00000040, connection status changed [ 358.035310] ata2: SError: { PHYRdyChg CommWake DevExch } [ 358.035311] ata2.00: failed command: READ FPDMA QUEUED [ 358.035314] ata2.00: cmd 60/08:58:90:f8:f0/00:00:11:00:00/40 tag 11 ncq dma 4096 in res 50/00:00:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error) [ 358.035315] ata2.00: status: { DRDY } [ 358.035317] ata2: hard resetting link [ 358.747460] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 358.748472] ata2.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded [ 358.748474] ata2.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out [ 358.748475] ata2.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out [ 358.748507] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04) [ 358.750983] ata2.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded [ 358.750985] ata2.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out [ 358.750985] ata2.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out [ 358.751030] ata2.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04) [ 358.752636] ata2.00: configured for UDMA/133 [ 358.752640] ahci 0000:00:17.0: port does not support device sleep [ 358.752680] ata2: EH complete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1681313 Title: "port does not support device sleep" on Dell Precision 5520 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1681313/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs