Hallo,
mir ist zufälligerweise aufgefallen, dass meine SSD unglaublich langsam geworden ist. hdparm -t gab nur mehr ca. 135 MB/s an. Normal waren um die 230MB/s.
Mir fiel in /var/log/messages folgendes ins Auge:
------------------------ snip --------------------------------
Nov 12 11:29:21 localhost root: ACPI action undefined: PNP0C0A:00
Nov 12 11:29:22 localhost kernel: [ 191.560468] e1000e 0000:00:19.0: PCI INT A disabled
Nov 12 11:29:22 localhost kernel: [ 192.456920] uhci_hcd 0000:00:1d.0: PCI INT A disabled
Nov 12 11:29:25 localhost kernel: [ 195.287130] ata1: hard resetting link
Nov 12 11:29:26 localhost kernel: [ 196.006852] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
Nov 12 11:29:26 localhost kernel: [ 196.018802] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:26 localhost kernel: [ 196.019637] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:26 localhost kernel: [ 196.039051] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:26 localhost kernel: [ 196.039893] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:26 localhost kernel: [ 196.047913] ata1.00: configured for UDMA/133
Nov 12 11:29:26 localhost kernel: [ 196.047990] ata1: EH complete
Nov 12 11:29:30 localhost kernel: [ 200.282765] ata1: hard resetting link
Nov 12 11:29:31 localhost kernel: [ 201.000206] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
Nov 12 11:29:31 localhost kernel: [ 201.008967] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:31 localhost kernel: [ 201.009807] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:31 localhost kernel: [ 201.028940] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:31 localhost kernel: [ 201.029781] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:31 localhost kernel: [ 201.038075] ata1.00: configured for UDMA/133
Nov 12 11:29:31 localhost kernel: [ 201.038159] ata1: EH complete
Nov 12 11:29:33 localhost kernel: [ 203.283490] ata1: hard resetting link
Nov 12 11:29:34 localhost kernel: [ 204.003520] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
Nov 12 11:29:34 localhost kernel: [ 204.008851] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:34 localhost kernel: [ 204.009679] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:34 localhost kernel: [ 204.028978] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:34 localhost kernel: [ 204.029824] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:34 localhost kernel: [ 204.038119] ata1.00: configured for UDMA/133
Nov 12 11:29:34 localhost kernel: [ 204.038173] ata1: EH complete
Nov 12 11:29:36 localhost laptop-mode: Laptop mode
Nov 12 11:29:36 localhost laptop-mode: disabled,
Nov 12 11:29:36 localhost laptop-mode: not active [unchanged]
Nov 12 11:29:36 localhost root: ACPI action undefined: PNP0C0A:00
Nov 12 11:29:38 localhost kernel: [ 208.269073] ata1: limiting SATA link speed to 1.5 Gbps
Nov 12 11:29:38 localhost kernel: [ 208.282065] ata1: hard resetting link
Nov 12 11:29:39 localhost kernel: [ 209.000187] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Nov 12 11:29:39 localhost kernel: [ 209.009079] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:39 localhost kernel: [ 209.009918] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:39 localhost kernel: [ 209.029048] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Nov 12 11:29:39 localhost kernel: [ 209.029897] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
Nov 12 11:29:39 localhost kernel: [ 209.038174] ata1.00: configured for UDMA/133
Nov 12 11:29:39 localhost kernel: [ 209.038255] ata1: EH complete
----------------------------- snap ---------------------------
Scheinbar bringt der acpi demon den SATA Link aus dem Takt? Jedenfalls resettet letzterer einige Male und geht dann auf 1.5 Gbps zurück. Klar, dass die SSD dann so langsam wird.
Habe testweise den acpid im rc.conf deaktiviert - und siehe da, der SATA Link bleibt stabil bei 3Gbps und die Platte geht auf schöne 270MB/s.
rc.d start acpid - und es dauert einige Sekunden und der SATA Link resettet auf 1.5 Gbps.
Weiß jemand, wass diese mir ominöse Meldung root: ACPI action undefined: PNP0C0A:00 zu sagen hat?
Hier noch:
> pacman -Qi acpid
Name : acpid
Version : 2.0.12-1
URL :
http://tedfelix.com/linux/acpid-netlink.html
Lizenzen : GPL
Gruppen : Nichts
Stellt bereit : Nichts
Hängt ab von : bash
Optionale Abhängigkeiten: Nichts
Benötigt von : Nichts
Konflikt mit : Nichts
Ersetzt : acpid2
Installationsgröße : 252,00 K
Packer : Eric Belanger <
eric@archlinux.org>
Architektur : i686
Erstellt am : Fr 07 Okt 2011 21:17:32 CEST
Installiert am : Fr 11 Nov 2011 22:47:17 CET
Installationsgrund : Ausdrücklich installiert
Installations-Skript : Nein
Beschreibung : A daemon for delivering ACPI power management events with netlink support
Danke,
Andreas