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Re: Seagate disk problems (NCQ bug???)



Wolfgang S. Rupprecht wrote:
After running flawlessly for 6+ months I just had my Seagate
ST31500343AS (w. SD35 firmware) flake out.  Does this look like the NCQ
bug or just a random event?  The final error msg was around the time the
machine hung hard.


Apr 28 06:41:26 arbol kernel: ata1: exception Emask 0x10 SAct 0x0 SErr 0x90200 action 0xe frozen
Apr 28 06:41:26 arbol kernel: ata1: irq_stat 0x00400000, PHY RDY changed
Apr 28 06:41:26 arbol kernel: ata1: SError: { Persist PHYRdyChg 10B8B }
Apr 28 06:41:26 arbol kernel: ata1: hard resetting link
Apr 28 06:41:28 arbol kernel: ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Apr 28 06:41:33 arbol kernel: ata1.00: qc timeout (cmd 0xec)
Apr 28 06:41:33 arbol kernel: ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Apr 28 06:41:33 arbol kernel: ata1.00: revalidation failed (errno=-5)
Apr 28 06:41:33 arbol kernel: ata1: hard resetting link
Apr 28 06:41:34 arbol kernel: ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Apr 28 06:41:44 arbol kernel: ata1.00: qc timeout (cmd 0xec)
Apr 28 06:41:44 arbol kernel: ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Apr 28 06:41:44 arbol kernel: ata1.00: revalidation failed (errno=-5)
Apr 28 06:41:44 arbol kernel: ata1: hard resetting link
Apr 28 06:41:46 arbol kernel: ata1: softreset failed (device not ready)
Apr 28 06:41:46 arbol kernel: ata1: failed due to HW bug, retry pmp=0
Apr 28 06:41:46 arbol kernel: ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Apr 28 06:41:46 arbol kernel: ata1.00: configured for UDMA/133
Apr 28 06:41:46 arbol kernel: ata1: EH complete
Apr 28 06:41:46 arbol kernel: sd 0:0:0:0: [sda] 2930277168 512-byte hardware sectors (1500302 MB)
Apr 28 06:41:46 arbol kernel: sd 0:0:0:0: [sda] Write Protect is off
Apr 28 06:41:46 arbol kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA


-wolfgang

I had errors like this when my system load got to high for my system to work with. I later found out that the motherboard controller was to slow. It is an older system. Replaced the controllers with SATA cards and no errors since.

I could predict when the errors were going to occur and almost predict when the system would lock up using uptime.

What controller chip is used in your system?


--
Robin Laing


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