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  #1  
Old 25th March 2017, 01:15 PM
noviceFedora Offline
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Randomly getting ATA Bus errors.

Code:
[   47.005020] ata2.00: exception Emask 0x50 SAct 0x300000 SErr 0x4090800 action 0xe frozen                                                                             
[   47.005025] ata2.00: irq_stat 0x00400040, connection status changed
[   47.005028] ata2: SError: { HostInt PHYRdyChg 10B8B DevExch }
[   47.005032] ata2.00: failed command: READ FPDMA QUEUED
[   47.005038] ata2.00: cmd 60/01:a0:00:4a:c7/00:00:1e:00:00/40 tag 20 ncq dma 512 in                                                                                   
                        res 40/00:a8:00:4a:c7/00:00:1e:00:00/40 Emask 0x50 (ATA bus error)                                                                              
[   47.005040] ata2.00: status: { DRDY }
[   47.005042] ata2.00: failed command: READ FPDMA QUEUED
[   47.005047] ata2.00: cmd 60/01:a8:00:4a:c7/00:00:1e:00:00/40 tag 21 ncq dma 512 in                                                                                   
                        res 40/00:a8:00:4a:c7/00:00:1e:00:00/40 Emask 0x50 (ATA bus error)                                                                              
[   47.005049] ata2.00: status: { DRDY }
I have no idea why I'm getting this, this seems to be randomly without any cause, there was a power outage and when I turned on, I started receiving it. My Fedora installation is not affected but my Windows 7 is developing corrupt boot configuration problem and I'm unable to get into it.
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  #2  
Old 25th March 2017, 01:52 PM
antikythera Offline
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Re: Randomly getting ATA Bus errors.

it's possible the drive suffered some damage if it was being written to at the time of power outage.

any chance you can use the drive manufacturer's diagnostics to check the health of the drive? e.g. seatools, hgst drive fitness test or wd lifeguard
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Old 25th March 2017, 02:49 PM
noviceFedora Offline
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linuxfedorafirefox
Re: Randomly getting ATA Bus errors.

Quote:
Originally Posted by antikythera View Post
it's possible the drive suffered some damage if it was being written to at the time of power outage.

any chance you can use the drive manufacturer's diagnostics to check the health of the drive? e.g. seatools, hgst drive fitness test or wd lifeguard
Thanks for your informative reply.

Actually what happened was that this drive developed this problem in February, a week or so after I bought it, I had to move the CPU chassis to replace a faulty monitor cable, since then this problem is occurring, it randomly comes and goes away, it has happened like this at least 10-15 times, I disconnect and reconnect the cable and it seems to go away but off late it is becoming un-resolvable. I've contacted Seagate and ran the tests they asked me to, and all tests came out as passed.

Looks like I have no other choice but to have it replaced?

Could it be possible dust could have gotten in SATA ports?
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  #4  
Old 25th March 2017, 04:03 PM
antikythera Offline
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Re: Randomly getting ATA Bus errors.

possibly a damaged cable rather than a dusty port. the cable design should ensure that the connection is kept clear of dust and debris since it shrouds all the connecting pins. if you have a spare SATA cable it may be worth swapping them over to see if there are any improvements in stability. if there's a SATA hosted optical drive in your system you could possibly use that cable just to see.
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Old 26th March 2017, 05:24 PM
noviceFedora Offline
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Re: Randomly getting ATA Bus errors.

So changing to a different SATA cable on a different SATA Port seemed to have resolved it for now, I could resolve like this earlier too but came back again.

My HDD is 1TB 7200 RPM and this is on SATA 2.0, will it impact the speed of writes and reads?
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  #6  
Old 26th March 2017, 09:11 PM
antikythera Offline
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windows_98_nt_2000chrome
Re: Randomly getting ATA Bus errors.

Quote:
Originally Posted by noviceFedora View Post
So changing to a different SATA cable on a different SATA Port seemed to have resolved it for now, I could resolve like this earlier too but came back again.

My HDD is 1TB 7200 RPM and this is on SATA 2.0, will it impact the speed of writes and reads?
what's the model of the HDD concerned? regardless it may make a minimal difference but not a huge amount because a 7200rpm HDD can't use all the data transfer bandwidth SATA-III provides.
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  #7  
Old 18th April 2017, 06:40 PM
ndc333 Offline
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Re: Randomly getting ATA Bus errors.

just a note. my laptop started giving these errors in december and continued approx every 2 or 3 days. i added libata.force=noncq to grub cmd line and has been cured now for over a month.
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