I have a similar problem in a related but different situation. My
experience doesn't quite help you with the specific investigation of
this case but may serve as a weak confirmation that this is indeed a
kernel issue.
Similarities
* same hardware: ThinkPad X220 Tablet with an Ultrabase docking station; the
tablet doesn't make a difference wrt. docking
* same symptoms: disk not recognized
Differences:
* I'm running Gentoo Linux with kernel 3.4.11 (original version plus a few
Gentoo-specific patches, i.e. the package gentoo-sources) vs. 3.6.1.
* I think connecting a USB hard disk to the docking station worked with both
kernels, but what stopped working in my case is attaching a hard disk via the
SATA to Ultrabay adapter.
With kernel 3.4.11 I get the following log messages:
Oct 10 18:35:15 CLANGE-x220t kernel: [ 4301.613989] ACPI: \_SB_.PCI0.SAT1.PRT1
- docking
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.356799] ata2: SATA link up 3.0 Gbps
(SStatus 123 SControl 300)
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.359664] ata2.00: ACPI cmd
ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.359675] ata2.00: ACPI cmd
f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.362030] ata2.00: ATA-8:
ST9500420ASG, 0002SDM1, max UDMA/133
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.362039] ata2.00: 976773168 sectors,
multi 16: LBA48 NCQ (depth 31/32)
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.365187] ata2.00: ACPI cmd
ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.365190] ata2.00: ACPI cmd
f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
Oct 10 18:35:18 CLANGE-x220t kernel: [ 4305.367510] ata2.00: configured for
UDMA/133
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.378761] ata2: EH complete
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.378890] scsi 1:0:0:0: Direct-Access
ATA ST9500420ASG 0002 PQ: 0 ANSI: 5
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.379009] sd 1:0:0:0: [sdb] 976773168
512-byte logical blocks: (500 GB/465 GiB)
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.379052] sd 1:0:0:0: [sdb] Write
Protect is off
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.379055] sd 1:0:0:0: [sdb] Mode
Sense: 00 3a 00 00
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.379072] sd 1:0:0:0: [sdb] Write
cache: enabled, read cache: enabled, doesn't support DPO or FUA
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.379206] sd 1:0:0:0: Attached scsi
generic sg1 type 0
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.405429] sdb: sdb1 sdb2
Oct 10 18:35:19 CLANGE-x220t kernel: [ 4305.405788] sd 1:0:0:0: [sdb] Attached
SCSI disk
But with 3.6.1:
Oct 10 17:21:00 CLANGE-x220t kernel: [63577.233313] ACPI: \_SB_.PCI0.SAT1.PRT1
- docking
<and then nothing else happens>
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https://bugs.launchpad.net/bugs/1052064
Title:
External USB hard disks are not seen when connected to docking station
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