LKML Archive on
help / color / mirror / Atom feed
From: Dhaval Giani <>
To: dAniel hAhler <>
Cc: LKML <>,
	Srivatsa Vaddagiri <>,
	Ingo Molnar <>
Subject: Re: Regression with idle cpu cycle handling in 2.6.24 (compared to 2.6.22)
Date: Sun, 20 Jan 2008 09:03:38 +0530	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Sat, Jan 19, 2008 at 03:52:44PM +0100, dAniel hAhler wrote:
> Hello,
> I've now found the reason and a workaround for this. Apparently, it's
> related to CONFIG_FAIR_USER_SCHED and can be worked around by
> assigning a really small value to the boinc users cpu_share (125 is
> the uid of "boinc"):
> $ echo 2 | sudo tee /sys/kernel/uids/125/cpu_share

Correct, that is the way to go about it.

> While looking around, I've found the following patch, which seems to
> address this:
> It has been posted here, but without any response.
> btw: writing 1 into "cpu_share" totally locks up the computer!

Can you please provide some more details. Can you go into another
console (try ctrl-alt-f1) and try to reproduce the issue there. Could
you take a photo of the oops/panic and upload it somewhere so that we
can see it?


  reply	other threads:[~2008-01-20  3:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-19 14:05 dAniel hAhler
2008-01-19 14:52 ` dAniel hAhler
2008-01-20  3:33   ` Dhaval Giani [this message]
2008-01-20  4:03     ` Dhaval Giani
2008-01-21 17:18     ` Srivatsa Vaddagiri
2008-01-22  1:59       ` dAniel hAhler

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \
    --subject='Re: Regression with idle cpu cycle handling in 2.6.24 (compared to 2.6.22)' \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).