From: Greg KH <gregkh@suse.de>
To: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>, Kay Sievers <kay.sievers@vrfy.org>,
vincent.fortier1@ec.gc.ca, Randy Dunlap <randy.dunlap@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
Balbir Singh <balbir@in.ibm.com>,
maneesh@in.ibm.com
Subject: Re: 2.6.22.14 oops msg with commvault galaxy ?
Date: Fri, 14 Dec 2007 09:28:14 -0800 [thread overview]
Message-ID: <20071214172814.GA14597@suse.de> (raw)
In-Reply-To: <20071214170739.GA2576@linux.vnet.ibm.com>
On Fri, Dec 14, 2007 at 10:37:39PM +0530, Dhaval Giani wrote:
> On Fri, Dec 14, 2007 at 08:26:42AM -0800, Greg KH wrote:
> > On Thu, Dec 13, 2007 at 09:21:26PM +0100, Ingo Molnar wrote:
> > >
> > > * Kay Sievers <kay.sievers@vrfy.org> wrote:
> > >
> > > > > > > This one also fails to apply properly at the exact same place
> > > > > > > has Ingo's previously posted patch. Would need to backport his
> > > > > > > one.
> > > > > >
> > > > > > It depends on a completely reworked sysfs logic, I don't think it
> > > > > > makes any sense to backport that.
> > > > >
> > > > > well, if it fixes a live bug in a still supported stable kernel
> > > > > release...
> > > > >
> > > > > Vincent, could you try to just get rid of all actual uses of
> > > > > se->attr.owner, within fs/sysfs/*.c? Something like the patch below.
> > > > > (totally untested - might be fatally broken as well)
> > > >
> > > > How can you think that this is not needed? You can not remove it with
> > > > sysfs you are patching. Hope this explains it:
> > > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0ab66088c855eca68513bdd7442a426c4b374ced
> > >
> > > yeah - as i said it might be fatally broken (in fact it is). Do we
> > > understand why Vincent got the crashes with vanilla 2.6.22.14 ?
> >
> > No, and I can't seem to duplicate them here at all.
> >
> > Does anyone have a test case for this that I can work on trying to
> > duplicate?
> >
>
> If you apply CFS without my fix, and try to constantly check cpu_shares
> for a user who is logging and logging out, you should hit it. (That's
> what I was doing).
Hm, how about a "vanilla 2.6.22.14 kernel _without_ any patches".
That's what I am most worried about :)
thanks,
greg k-h
next prev parent reply other threads:[~2007-12-14 17:29 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-30 13:02 2.6.22.14 oops msg with commvault galaxy ? Vincent Fortier
2007-11-30 17:12 ` Randy Dunlap
2007-11-30 17:35 ` Fortier,Vincent [Montreal]
2007-12-04 13:47 ` Vincent Fortier
2007-12-07 22:15 ` Randy Dunlap
2007-12-07 23:11 ` Andrew Morton
2007-12-08 1:14 ` Randy Dunlap
2007-12-10 13:20 ` Fortier,Vincent [Montreal]
2007-12-10 14:03 ` Fortier,Vincent [Montreal]
2007-12-10 17:15 ` Randy Dunlap
2007-12-10 17:55 ` Fortier,Vincent [Montreal]
2007-12-11 14:54 ` Dhaval Giani
2007-12-11 16:43 ` Dhaval Giani
2007-12-11 17:04 ` Greg KH
2007-12-11 17:23 ` Dhaval Giani
2007-12-11 17:47 ` Fortier,Vincent [Montreal]
2007-12-11 18:20 ` Dhaval Giani
2007-12-11 18:25 ` Dhaval Giani
2007-12-11 19:08 ` Fortier,Vincent [Montreal]
2007-12-11 19:12 ` Randy Dunlap
2007-12-11 21:06 ` Ingo Molnar
2007-12-12 7:08 ` Dhaval Giani
2007-12-12 12:57 ` Fortier,Vincent [Montreal]
2007-12-12 13:05 ` Fortier,Vincent [Montreal]
2007-12-12 13:41 ` Dhaval Giani
2007-12-12 18:45 ` Fortier,Vincent [Montreal]
2007-12-13 11:43 ` Dhaval Giani
2007-12-13 12:55 ` Ingo Molnar
2007-12-13 13:02 ` Dhaval Giani
2007-12-13 13:12 ` Ingo Molnar
2007-12-13 13:43 ` Vincent Fortier
2007-12-13 13:24 ` Vincent Fortier
2007-12-13 14:41 ` Dhaval Giani
2007-12-13 13:59 ` Kay Sievers
2007-12-13 15:02 ` Vincent Fortier
2007-12-13 16:23 ` Kay Sievers
2007-12-13 16:50 ` Ingo Molnar
2007-12-13 17:10 ` Kay Sievers
2007-12-13 20:21 ` Ingo Molnar
2007-12-14 2:14 ` Dhaval Giani
2007-12-14 16:26 ` Greg KH
2007-12-14 17:07 ` Dhaval Giani
2007-12-14 17:28 ` Greg KH [this message]
2007-12-20 13:49 ` Vincent Fortier
2007-12-13 17:20 ` Dhaval Giani
2007-12-11 19:31 ` Greg KH
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