Re: Linux-2.4.18 : lots of "state D" processes ....

Rik van Riel (riel@conectiva.com.br)
Fri, 1 Mar 2002 22:35:34 -0300 (BRT)

On Sat, 2 Mar 2002, Andrea Arcangeli wrote:
> On Fri, Mar 01, 2002 at 12:03:49AM +0200, Teodor Iacob wrote:
> > Ok, I rushed to reply but it seems like I still get the perl process in a
> > "D state", no matter if I compile USB as module or built-in, with rmap12g
> > or with your patch. Anyway to track this?
>
> SYSRQ+T run on top of 2.4.19pre1aa1 should allow to track down whatever
> USB problem it is.

I've seen this in 2.4.19-pre1 without USB, too. Here the
tasks were stuck in do_fork() and got unstuck minutes
later. They were not using any CPU time.

I'm not seeing any of these delays in -pre2 (yet?) and
haven't had any time yet to figure out what's going on...

regards,

Rik

-- 
"Linux holds advantages over the single-vendor commercial OS"
    -- Microsoft's "Competing with Linux" document


http://www.surriel.com/		http://distro.conectiva.com/


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/