linux-kernel - Re: memleaks, acpi + ext4 + tty

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Message-Id: <1251764791.2158.7.camel@dhcp231-106.rdu.redhat.com>
Date:	Mon, 31 Aug 2009 20:26:31 -0400
From:	Eric Paris <eparis@...hat.com>
To:	"Luis R. Rodriguez" <mcgrof@...il.com>
Cc:	"John W. Linville" <linville@...driver.com>,
	Eric Paris <eparis@...isplace.org>,
	Catalin Marinas <catalin.marinas@....com>,
	"H. Peter Anvin" <hpa@...nel.org>, linux-kernel@...r.kernel.org,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	linux-wireless <linux-wireless@...r.kernel.org>
Subject: Re: memleaks, acpi + ext4 + tty

On Mon, 2009-08-31 at 16:54 -0700, Luis R. Rodriguez wrote:
> On Mon, Aug 31, 2009 at 1:02 PM, Luis R. Rodriguez<mcgrof@...il.com> wrote:
> > On Mon, Aug 31, 2009 at 12:47 PM, John W.
> > Linville<linville@...driver.com> wrote:
> >> On Mon, Aug 31, 2009 at 12:43:01PM -0700, Luis R. Rodriguez wrote:
> >>> On Mon, Aug 31, 2009 at 12:33 PM, John W.
> >>> Linville<linville@...driver.com> wrote:
> >>
> >>> > My guess is that the culprit is between
> >>> > v2.6.31-rc8 and whatever is at the head of linux-2.6-allstable.
> >>>
> >>> But the issue is *not* in linux-2.6-allstable, it is only present on
> >>> wireless-testing, and I went as far back as merge-2009-08-28. I was
> >>> using whatever tag was available prior to you moving to rc8, and that
> >>> worked.
> >>
> >> OK, then I can only guess that something went wrong in your bisection
> >> (e.g. dirty build, something not marked properly, etc).
> >
> > Well so remember I did a clean git clone of wireless-testing and the
> > issue was still there, but I determined just now it seems rc8 from
> > Linus does indeed also have the issue. For some reason the issue was
> > not present on hpa's rc8 on linux-2.6-allstable. Will double check on
> > that again.
> 
> OK so hpa's tree just had all of Linus' stuff pulled, not just rc8. It
> turns out Eric Paris' inotify patches are required to fix 2.6.31-rc8
> for me.. I tested just one patch and it fixed my bootup lag:
> 
> http://git.infradead.org/users/eparis/notify.git/commit/b962e7312ae87006aed6f68ceee94bdf8db08338
> 
> FWIW for that patch:
> 
> Tested-by: Luis R. Rodriguez <lrodriguez@...eros.com>
> 
> So -- you if you're like me and had issues with bootup lag on
> wireless-testing, you can probably fix your wireless-testing by
> pulling his patches:
> 
> git pull git://git.infradead.org/users/eparis/notify.git for-linus
> 
> I saw Linus had some other fixes but I'll wait for rc9 for that as my
> box seems reasonably stable right now.

Yes, -rc8 broke pretty badly for a number of people.  Linus did pull all
of the fixes that I know of.  I wouldn't suggest pulling just that one
commit.  All 3 of the post -rc8 patches in my tree fix -rc8
regressions   :(

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