[mythtv-users] SATA lockups on Aver Revo R3610

Ian Oliver lists at foxhill.co.uk
Wed Aug 3 14:42:09 UTC 2011

OK, so this isn't strictly mythtv related but ...

My backend is a Revo R3610 running mythbuntu 9.10. I have my recordings 
on an external SATA drive.

I kept noticing a load of this kind of stuff in the logs -

[96390.385812] ata1: exception Emask 0x10 SAct 0x0 SErr 0x1910000 
action 0xe frozen
[96390.385821] ata1: irq_stat 0x00400000, PHY RDY changed
[96390.385829] ata1: SError: { PHYRdyChg Dispar LinkSeq TrStaTrns }
[96390.385865] ata1: hard resetting link
[96394.248048] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[96394.261494] ata1.00: configured for UDMA/133
[96394.261509] ata1: EH complete

I ignored it (yes, I know!) until one day the drive disappeared 
entirely. Only a full power cycle of both the machine and the drive 
brought it back.

I'm now investigating, but wanted to make a backup of the drive first. 
Guess what? Yes, trying to make a backup (just with cp and/or fsync) 
causes the drive to be dropped off the bus within 30 seconds.

A bit of googling suggests that removing the proprietary nvidia driver 
might help. Worth a go? I guess this does more than just the graphics?

This machine is effectively headless unless pull it out of the 
cupboard. Can I just blacklist the driver and reboot or should I change 
xorg.con first?


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