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From: John Baldwin <jhb@freebsd.org>
To: freebsd-acpi@freebsd.org
Subject: Re: suspend issues with latest -HEAD,
 ahci failing to complete something?
Date: Tue, 6 May 2014 15:40:20 -0400
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 (bigwig.baldwin.cx); Tue, 06 May 2014 16:56:35 -0400 (EDT)
Cc: Adrian Chadd <adrian.chadd@gmail.com>, Alexander Motin <mav@freebsd.org>
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On Monday, May 05, 2014 3:55:31 pm Adrian Chadd wrote:
> Hi,
> 
> Would you mind testing the latest -HEAD out? It worked a couple weeks
> ago with my last rebuild on this particular laptop.

My x220 resumes just fine with yesterday's HEAD from S3.  Uses ahci:

ahci0: <Intel Cougar Point AHCI SATA controller> port 
0x50a8-0x50af,0x50bc-0x50bf,0x50a0-0x50a7,0x50b8-0x50bb,0x5060-0x507f mem 
0xd2528000-0xd25287ff irq 19 at device 31.2 on pci0
ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich4: <AHCI channel> at channel 4 on ahci0
ahciem0: <AHCI enclosure management bridge> on ahci0
...
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <ST320LT000-9VL142 0003LVM1> ATA-8 SATA 2.x device
ada0: Serial Number W0Q06E4A
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 305245MB (625142448 512 byte sectors: 1H 63S/T 16383C)
ada0: quirks=0x1<4K>
ada0: Previously was known as ad4
ses0 at ahciem0 bus 0 scbus3 target 0 lun 0
ses0: <AHCI SGPIO Enclosure 1.00 0001> SEMB S-E-S 2.00 device
ses0: SEMB SES Device

-- 
John Baldwin