Re: Hotplug

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On Wed, Sep 3, 2008 at 5:01 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> Jason Davis wrote:
>> Hello,
>>  I'm trying to confirm hot/warm plugging is working on my system. When
>> I plug in the drive shows up as expected. I just want to make sure the
>> stuff I see in the logs is ok.
>
> Yeah, those are as okay as they get.  :-)

Hi Tejun,

Can you check these too (I'm testing hotplug on the PDC42819 with ahci driver)?

after powering up eSATA connected drive:

 ata7: exception Emask 0x10 SAct 0x0 SErr 0x4050000 action 0xe frozen
 ata7: irq_stat 0x00000040, connection status changed
 ata7: SError: { PHYRdyChg CommWake DevExch }
 ata7: hard resetting link
 ata7: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
 ata7.00: ATA-7: HTS721060G9SA00, MC3IC10H, max UDMA/100
 ata7.00: 117210240 sectors, multi 0: LBA48
 ata7.00: configured for UDMA/100
 ata7: EH complete
 scsi 6:0:0:0: Direct-Access     ATA      HTS721060G9SA00  MC3I PQ: 0 ANSI: 5
 sd 6:0:0:0: [sdb] 117210240 512-byte hardware sectors (60012 MB)
 sd 6:0:0:0: [sdb] Write Protect is off
 sd 6:0:0:0: [sdb] Mode Sense: 00 3a 00 00
 sd 6:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
 sd 6:0:0:0: [sdb] 117210240 512-byte hardware sectors (60012 MB)
 sd 6:0:0:0: [sdb] Write Protect is off
 sd 6:0:0:0: [sdb] Mode Sense: 00 3a 00 00
 sd 6:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
  sdb: sdb1
 sd 6:0:0:0: [sdb] Attached SCSI disk
 sd 6:0:0:0: Attached scsi generic sg1 type 0
 kjournald starting.  Commit interval 5 seconds
 EXT3 FS on sdb1, internal journal
 EXT3-fs: recovery complete.
 EXT3-fs: mounted filesystem with ordered data mode.


after unmounting and executing
echo 1 > /sys/class/scsi_device/6\:0\:0\:0/device/delete:

 sd 6:0:0:0: [sdb] Synchronizing SCSI cache
 sd 6:0:0:0: [sdb] Stopping disk
 ata7.00: disabled


and after removing power from eSATA device:

 ata7: exception Emask 0x10 SAct 0x0 SErr 0x10000 action 0xe frozen
 ata7: irq_stat 0x00400000, PHY RDY changed
 ata7: SError: { PHYRdyChg }
 ata7: hard resetting link
 ata7: SATA link down (SStatus 0 SControl 300)
 ata7: EH complete


Thanks!

Mark
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