Re: Dreaded PDC irq nobody cared

[Erik Slagter <erik@slagter.name>]

[-- Attachment #1: Type: text/plain, Size: 1525 bytes --]

On Sat, 2005-10-08 at 13:17 -0400, Mark Hahn wrote:
> > > >  - The difference between having or having not the stuck interrupt seems
> > > > to be the forced cooling of the attached harddisks; I find this also
> ...
> >  - various people have this problem with various brands and models disks
> >  - the temperature of the disks is ~40 C, without cooling, and also ~40
> > C with cooling (?!) according to smartctl attribute 195, so either the
> > temperature sensors are wrong (silly location?) or it really doesn't
> > matter?!
> >  - I cannot pinpoint the problem to one harddisk, and probably never
> > will, because the problem only occurs with > 1 harddisk
> > connected :-( (as the other people experience)
> >  - the temperature in the case is not very cool but also not extremely
> > hot, imho it shouldn't bother the harddisks.
> 
> you added ventilation to your case, and the problem went away.
> this doesn't mean the problem was disk temperature, especially
> since your disks report no real change.  instead, I suggest that 
> your PSU was too hot and regulating poorly.  greater airflow 
> resulted in better regulation, and made the disks happier.
> (note another recent message here regarding a similar problem machine
> which was fixed by providing better power...)

This may very well at least have something to do with the problem. I
must say that the air coming from the PSU is rather warm. Anyway, new
PSU is underway (high-tech/high quality, replacing existing no-name
PSU).

[-- Attachment #2: smime.p7s --]
[-- Type: application/x-pkcs7-signature, Size: 2115 bytes --]