Re: [1/6] 2.6.21-rc4: known regressions

Nick Piggin
2007-03-23T09:37:58Z

On Fri, Mar 23, 2007 at 08:51:13AM +0100, Michal Piotrowski wrote:
> On 23/03/07, Nick Piggin <npiggin@suse.de> wrote:
> >>
> >> and that in turn points to the kernel log:
> >>
> >>
> >http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc4/git-console.log
> >
> >Seems convincing. Michal, can you post your .config, and if you had
> >dynticks and hrtimers enabled, try reproducing without them?
> >
>
> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc4/git-config
>
> I don't know how to reproduce this bug on 2.6.21-rc4.On 2.6.21-rc2-mm1
> it was very simple, just run youtube, bash_shared_mapping etc. In fact
> I didn't see this bug for a week.

OK... for some reason this is listed as a regression against 2.6.21-rc4.

You do have CONFIG_NO_HZ=y, and it is likely to be the cause of your
2.6.21-rc2-mm1 problems, but maybe there have been fixes since then? Ingo?