[Bug 445852] Re: devkit-disks-probe-ata-smart causes HSM Violations on SSD, and potential hardware death

[Steve]

I do not have an SD disk, but I do have the exact same errors:

[ 3252.000066] ata1: lost interrupt (Status 0x58)
[ 3252.004027] ata1: drained 32768 bytes to clear DRQ.
[ 3252.091644] ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 3252.091669] ata1.01: cmd a0/00:00:00:00:00/00:00:00:00:00/b0 tag 0
[ 3252.091672]          cdb 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
[ 3252.091675]          res 58/00:01:00:12:00/00:00:00:00:00/b0 Emask 0x2 (HSM v
[ 3252.091684] ata1.01: status: { DRDY DRQ }
[ 3252.091726] ata1: soft resetting link
[ 3252.332346] ata1.00: configured for UDMA/100
[ 3252.348516] ata1.01: configured for MWDMA2
[ 3252.348839] ata1: EH complete

It looks like the problem might be with the cdrom?

Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: ATA      Model: ST96812A         Rev: 3.05
  Type:   Direct-Access                    ANSI  SCSI revision: 05
Host: scsi0 Channel: 00 Id: 01 Lun: 00
  Vendor: MATSHITA Model: UJDA775 DVD/CDRW Rev: 1.00
  Type:   CD-ROM                           ANSI  SCSI revision: 05


In any case, I applied the workaround in question, and it definitely happens less often, but still happens to me pretty frequently.

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devkit-disks-probe-ata-smart causes HSM Violations on SSD, and potential hardware death
https://bugs.launchpad.net/bugs/445852
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