[Bugme-new] [Bug 12351] New: sata_nv hotplug not work in 2.6.27.10

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=12351

           Summary: sata_nv hotplug not work in 2.6.27.10
           Product: IO/Storage
           Version: 2.5
     KernelVersion: 2.6.27.10
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Serial ATA
        AssignedTo: jgarzik at pobox.com
        ReportedBy: gpanco at tiscali.it


Latest working kernel version:2.6.27
Earliest failing kernel version:2.6.27.10
Hardware Environment:x86 ASUS M2N-E
Problem Description: sata_nv hotplug dont work in 2.6.27.10

Steps to reproduce:

when I hotplug my sata disk dmesg say:

- kernel 2.6.27:

ta2: exception Emask 0x10 SAct 0x0 SErr 0x50000 action 0xe frozen
ata2: SError: { PHYRdyChg CommWake }
ata2: hard resetting link
ata2: link is slow to respond, please be patient (ready=-19)
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2.00: ATA-7: ST3320620AS, 3.AAJ, max UDMA/133
ata2.00: 625142448 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata2.00: configured for UDMA/133
ata2: EH complete
scsi 1:0:0:0: Direct-Access     ATA      ST3320620AS      3.AA PQ: 0 ANSI: 5
sd 1:0:0:0: [sdb] 625142448 512-byte hardware sectors (320073 MB)
sd 1:0:0:0: [sdb] Write Protect is off
sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support
DPO or FUA
sd 1:0:0:0: [sdb] 625142448 512-byte hardware sectors (320073 MB)
sd 1:0:0:0: [sdb] Write Protect is off
sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support
DPO or FUA
 sdb: sdb1 sdb2 < sdb5 sdb6 sdb7 sdb8 sdb9 sdb10 sdb11 sdb12 sdb13 sdb14 sdb15
>
sd 1:0:0:0: [sdb] Attached SCSI disk


- kernel 2.6.27.10:

ata2: exception Emask 0x10 SAct 0x0 SErr 0x150000 action 0xe frozen
ata2: SError: { PHYRdyChg CommWake Dispar }
ata2: link is slow to respond, please be patient (ready=0)
ata2: device not ready (errno=-16), forcing hardreset
ata2: soft resetting link
ata2: link is slow to respond, please be patient (ready=0)
ata2: SRST failed (errno=-16)
ata2: soft resetting link
ata2: link is slow to respond, please be patient (ready=0)
ata2: SRST failed (errno=-16)
ata2: soft resetting link
ata2: link is slow to respond, please be patient (ready=0)
ata2: SRST failed (errno=-16)
ata2: limiting SATA link speed to 1.5 Gbps
ata2: soft resetting link
ata2: SRST failed (errno=-16)
ata2: reset failed, giving up
ata2: EH complete

Thanks.


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