Disk errors on ATA drive

[Charles Meo]

I'm seeing repeated errors of this type.
[18292.205473] ata7: irq_stat 0x80400000, PHY RDY changed
[18292.205475] ata7: SError: { RecovComm PHYRdyChg 10B8B Dispar }
[18292.205477] ata7: hard resetting link
[18297.194526] ata7: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[18297.196250] ata7.00: configured for UDMA/133
[18297.196253] ata7: EH complete
[20310.312929] ata7: exception Emask 0x10 SAct 0x0 SErr 0x190002 action 0xe frozen
[20310.312933] ata7: irq_stat 0x80400000, PHY RDY changed
[20310.312935] ata7: SError: { RecovComm PHYRdyChg 10B8B Dispar }
[20310.312939] ata7: hard resetting link
[20315.296432] ata7: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[20315.302286] ata7.00: configured for UDMA/133
[20315.302289] ata7: EH complete
[24743.035922] ata7: exception Emask 0x10 SAct 0x0 SErr 0x190002 action 0xe frozen
[24743.035929] ata7: irq_stat 0x80400000, PHY RDY changed
[24743.035934] ata7: SError: { RecovComm PHYRdyChg 10B8B Dispar }
[24743.035941] ata7: hard resetting link
[24748.020313] ata7: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[24748.038594] ata7.00: configured for UDMA/133
[24748.038597] ata7: EH complete

I've already changed the SATA cables to better ones in line with suggestions I've seen elsewhere. Looks to me this problem has been around for at least seven years. Any assistance diagnosing the actual problem would be appreciated. GSmartcontrol says there is nothing wrong with any of the drives in this system.

I'm running 15.04, also seen it in 14.10 and 14.04 on the same box.

I can actually hear the drive resetting from time to time so I know there's something actually happening.

Charles

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-31-generic 3.19.0-31.36
ProcVersionSignature: Ubuntu 3.19.0-31.36-generic 3.19.8-ckt7
Uname: Linux 3.19.0-31-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: cmeo 5713 F.... pulseaudio
 /dev/snd/controlC1: cmeo 5713 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Oct 27 16:03:19 2015
HibernationDevice: RESUME=UUID=1930bb06-2f20-49c0-b348-e25b24747729
InstallationDate: Installed on 2015-07-08 (110 days ago)
InstallationMedia: Ubuntu-Server 14.10 "Utopic Unicorn" - Release amd64 (20141022.2)
MachineType: Gigabyte Technology Co., Ltd. Z87X-UD3H
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-31-generic root=UUID=5fdd3fa6-564e-48bc-b937-ccc5127580d5 ro nomdmonddf nomdmonisw
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-31-generic N/A
 linux-backports-modules-3.19.0-31-generic N/A
 linux-firmware 1.143.3
RfKill:

SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-07-24 (95 days ago)
dmi.bios.date: 03/18/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F9
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z87X-UD3H-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF9:bd03/18/2014:svnGigabyteTechnologyCo.,Ltd.:pnZ87X-UD3H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ87X-UD3H-CF:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: Z87X-UD3H
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

[Brad Figg (brad-figg)]

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