[parisc-linux] Tag starvation problem

[Grant Grundler]

On Fri, Jul 11, 2003 at 05:41:18PM +0200, alchemist@cdc712-9.cdc.polimi.it wrote:
> Dear Sirs,
> 
> Since 2.4.20-pa35 my 712-60/128Mb suffers from the "tag starvation problem":
> 
> kernel msg: target(6.0) suffers from tag starvation problem

Problem explanation is here:
http://lists.debian.org/debian-hppa/2002/debian-hppa-200201/msg00067.html

and here:
http://licensing.steeleye.com/support/papers/ols_2002_slides.pdf

> then everything seems ok for a few seconds and then a sudden kernel panic.
> Note that until pa35 everything went ok (excluding the 712 power switch that
> does not work).

I've been seeing problems with recent 2.4.x kernels in the SCSI error
recovery path on ia64-linux as well. I haven't tried to track down
those problems yet.

grant

> I routinely use parisc-linux precompiled kernels.
> The problem also appears in 2.4.21pa2.
> 
> any help anyone ?
> thanks in advance.
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