https://bugzilla.kernel.org/show_bug.cgi?id=49701
Summary: Slow Resume with SSD
Product: ACPI
Version: 2.5
Kernel Version: 3.6.2
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
AssignedTo: acpi_power-sleep-w...@kernel-bugs.osdl.org
ReportedBy: carlos.mof...@gmail.com
Regression: No
Hi,
(please let me know if this is the wrong list to ask this)
I have a Crucial M4 512 GB SSD installed on my Thinkpad X220 (Ubuntu
Precise). Overall this runs very nicely, but it takes 10+ seconds to
resume from suspend, apparently because some issue with the hardrive.
The only message I see while resuming is "COMRESET failed (errno=-16)".
[52483.228615] ata1: link is slow to respond, please be patient (ready=0)
[52487.870616] ata1: COMRESET failed (errno=-16)
[52488.190222] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[52488.190752] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES)
succeeded
[52488.190754] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE
LOCK) filtered out
[52488.190755] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES)
filtered out
[52488.191849] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES)
succeeded
[52488.191855] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE
LOCK) filtered out
[52488.191860] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES)
filtered out
[52488.192406] ata1.00: configured for UDMA/100
[52488.206298] sd 0:0:0:0: [sda] Starting disk
[52488.207334] Extended CMOS year: 2000
[52488.208335] PM: resume of devices complete after 10376.896 msecs
[52488.208552] PM: resume devices took 10.376 seconds
The only relevant post I've found was in the crucial support site:
http://forums.crucial.com/t5/Solid-State-Drives-SSD/SOLVED-M4-CT512M4SSD1-7mm-512Gb-SSD-too-slow-when-laptop-wakes/td-p/102666
which suggested adding libata.force=nohrst as a boot option to get rid
of the problem.
I tried that, but the laptop wouldn't suspend.
I have been using most recent kernels from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/
Currently 3.6.2, but the problem persists.
Best regards.
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