Re: ATA_FLUSHCACHE failing

From: Anthony Ginepro <anthony.ginepro_at_laposte.net>
Date: Wed, 5 May 2004 23:25:22 +0200
> Mark Santcroos wrote:
> >On Wed, May 05, 2004 at 10:03:51PM +0200, S?ren Schmidt wrote:
> >
> >>Nope, but I have seen a few disks that claims to support flush and then 
> >>do wierd things when asked to...
> >
> >I guess so yes.
> >
> >So this is a disk issue instead of a chip issue?
> 
> I'd think so, however until we have more data we can't be sure...
> 
> >>We should find out why it does not return, my guess is that 
> >>it doesn't interrupt and the timeout doesn't fire because we are on the 
> >>way down...
> >
> >Any hints where to start looking?
> >
> >I'll keep investigating myself too.
> 
> Hmm, first you could enable the ATA request debug code in ata-all.h, 
> then set the ATA_R_DEBUG flag when the flush command is issued. That 
> should give an idea where it goes south...
> 
> -- 
> -Søren

I tried what Mark suggested and finally kernel dumps work now.
Here is my dmesg attached for more information.


Received on Wed May 05 2004 - 12:25:39 UTC

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