RE: Issues with sata_nv and 2 disks under 2.6.16 and 2.6.17-rc2

[Fortier,Vincent [Montreal]]

Is your OS installed either sda or sdb?

Because I get this type of message using a single disk... On which my FC5 stands...

I'll give it a try tonight and see if I can cause the problem manually but I doubt I'll be able to stop the system from hanging...  Unless my bug is not related.

- vin

-----Message d'origine-----
De : Roger Heflin [mailto:rheflin@xxxxxxxxx] 
Envoyé : 26 avril 2006 10:42
À : Fortier,Vincent [Montreal]
Cc : Linux-Kernel; linux-ide@xxxxxxxxxxxxxxx
Objet : Re: Issues with sata_nv and 2 disks under 2.6.16 and 2.6.17-rc2

Fortier,Vincent [Montreal] wrote:
> I think I might be having the "same type of bug" or something related using sata_via?
> Bug opened at bugzilla: 
> http://bugzilla.kernel.org/show_bug.cgi?id=6317
> 
> This started appearing with 2.6.16.  It often does it using only one SATA HD.  It does not do it at every boot but often starts doing it after a little while (a few hours...) and finally hanging my PC.
> 
> - vin
> 
>

I can duplicate my problem everything, and I can make it stop a will.

doing "dd if=/dev/sda of=/dev/null bs=64k &"

and then

        "dd if=/dev/sdb of=/dev/null bs=64k &"

will cause the problem within a couple of seconds.

Doing "kill %1 %2" (assuming the dd's are %1 and %2) will stop the machine from hanging on disk io within 30-60 seconds.

Once it hangs it does not appear to do any disk io until the offending processes are killed.

                               Roger

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