Re: Detecting I/O error and Halting System

[Alan Cox]

On Llu, 2006-03-27 at 16:55 +0200, zine el abidine Hamid wrote:
> hda: status timeout: status=0xd0 { Busy }      adapter
> disque annonce un status busy du DMA

If I'm reading the translation right then your hard disk decided
it was busy and then never came back

> Feb 12 04:46:23 porte_de_clignancourt_nds_b kernel:
> ide0: reset: success             

So the IDE layer tried to reset it

> Feb 12 10:22:38 porte_de_clignancourt_nds_b kernel:
> hda: timeout waiting for DMA

Which didnt help

> Feb 12 10:24:47 porte_de_clignancourt_nds_b kernel:
> ide0: reset: success

Still trying
      
> Feb 12 10:24:47 porte_de_clignancourt_nds_b kernel:
> hda: irq timeout: status=0xd0 { Busy }                
> 
> Feb 12 10:24:47 porte_de_clignancourt_nds_b kernel:
> hda: DMA disabled       

We gave up on DMA to see if PIO would help
>                               
>    
> Feb 12 10:24:47 porte_de_clignancourt_nds_b kernel:
> ide0: reset timed-out, status=0x80
> Feb 12 10:24:47 porte_de_clignancourt_nds_b kernel:
> hda: status timeout: status=0x80 { Busy }        
> nouvel Ãchec de reset
> Feb 12 10:24:47 porte_de_clignancourt_nds_b kernel:
> hda: drive not ready for command
> Feb 12 10:24:47 porte_de_clignancourt_nds_b kernel:
> ide0: reset: success                  

And reset.. 


> Feb 12 13:45:38 porte_de_clignancourt_nds_b kernel:
> hda: status timeout: status=0x80 { Busy }
> Feb 12 13:45:38 porte_de_clignancourt_nds_b kernel:
> hda: drive not ready for command
> Feb 12 13:45:38 porte_de_clignancourt_nds_b kernel:
> ide0: reset timed-out, status=0x80
> Feb 12 13:45:38 porte_de_clignancourt_nds_b kernel:
> end_request: I/O error, dev 03:02 (hda), sector 102263
> Feb 12 13:45:38 porte_de_clignancourt_nds_b syslogd:
> /var/log/maillog: Input/output error
> Feb 12 13:45:38 porte_de_clignancourt_nds_b kernel:
> end_request: I/O error, dev 03:02 (hda), sector 110720
> Feb 12 13:45:38 porte_de_clignancourt_nds_b kernel:
> end_request: I/O error, dev 03:02 (hda), sector 110728 

Eventually we give up.


First thing to check would be the disk and the temperature, then the
cabling. In particular make sure the *long* part of the cable is between
the drive and the controller.

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