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From: Grant Coady on 13 Aug 2010 18:40
On Fri, 13 Aug 2010 14:47:04 -0700, you wrote:

>NOTE!
>
>If I could get some people to please test this -rc release? It contains
>a few core changes that I couldn't validate myself as I don't seem to
>have a machine that will even boot the .27 kernel anymore after my move.

I surely will, just as soon as the thing appears ;) Ftp and http
return nothing just now.

Grant.
>
>I didn't want to include them in the last .27-stable release because of
>this, so any testing is much appreciated. Especially if you happen to
>run across any signal and/or stack issues that might be floating around
>in the ether...
>
>----
>
>This is the start of the stable review cycle for the 2.6.27.52 release.
>There are 3 patches in this series, all will be posted as a response to
>this one. If anyone has any issues with these being applied, please let
>us know. If anyone is a maintainer of the proper subsystem, and wants
>to add a Signed-off-by: line to the patch, please respond with it.
>
>Responses should be made by Monday, August 16, 2010, 20:00:00 UTC.
>Anything received after that time might be too late.
>
>The whole patch series can be found in one patch at:
> kernel.org/pub/linux/kernel/v2.6/stable-review/patch-2.6.27.52-rc1.gz
>and the diffstat can be found below.
>
>thanks,
>
>greg k-h
>
> Makefile | 2 +-
> arch/x86/mm/fault.c | 9 ++++++++-
> mm/memory.c | 25 +++++++++++++++++++++++++
> 3 files changed, 34 insertions(+), 2 deletions(-)
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From: Greg KH on 13 Aug 2010 19:20
On Sat, Aug 14, 2010 at 08:36:34AM +1000, Grant Coady wrote:
> On Fri, 13 Aug 2010 14:47:04 -0700, you wrote:
>
> >NOTE!
> >
> >If I could get some people to please test this -rc release? It contains
> >a few core changes that I couldn't validate myself as I don't seem to
> >have a machine that will even boot the .27 kernel anymore after my move.
>
> I surely will, just as soon as the thing appears ;) Ftp and http
> return nothing just now.

Odd, it should be there.

Here it is, attached below. It's small enough to send out this way.

thanks,

greg k-h
From: Grant Coady on 13 Aug 2010 19:50
Hi Greg,

I scraped the patches out of the messages and edited Makefile :)

On Fri, 13 Aug 2010 16:07:12 -0700, you wrote:

>On Sat, Aug 14, 2010 at 08:36:34AM +1000, Grant Coady wrote:
>> On Fri, 13 Aug 2010 14:47:04 -0700, you wrote:
>>
>> >NOTE!
>> >
>> >If I could get some people to please test this -rc release? It contains
>> >a few core changes that I couldn't validate myself as I don't seem to
>> >have a machine that will even boot the .27 kernel anymore after my move.

Machine is running, but there's a lot of these in the dmesg:

WARNING: at include/linux/security.h:1826 acct_stack_growth+0xe7/0xf0()
Modules linked in:
Pid: 320, comm: khelper Not tainted 2.6.27.52-rc1a #57
[<c011b54f>] warn_on_slowpath+0x5f/0x90
[<c0145a53>] __alloc_pages_internal+0x93/0x420
[<c01456bd>] buffered_rmqueue+0x11d/0x210
[<c015e09a>] allocate_slab+0x4a/0xd0
[<c015e149>] setup_object+0x29/0x30
[<c015e204>] new_slab+0xb4/0x130
[<c015e6ec>] __slab_alloc+0xac/0x120
[<c01529e7>] acct_stack_growth+0xe7/0xf0
[<c0152afa>] expand_stack+0x7a/0x90
[<c014fc61>] do_anonymous_page+0x121/0x130
[<c0150268>] handle_mm_fault+0x1b8/0x1e0
[<c014e724>] get_user_pages+0xe4/0x270
[<c0166ac9>] get_arg_page+0x49/0xc0
[<c0166e5b>] copy_strings+0xdb/0x180
[<c0166f29>] copy_strings_kernel+0x29/0x40
[<c0167dae>] do_execve+0xde/0x1d0
[<c0101f1f>] sys_execve+0x2f/0x60
[<c0103036>] syscall_call+0x7/0xb
[<c011007b>] ioapic_register_intr+0x10b/0x110
[<c0106bfc>] kernel_execve+0x1c/0x30
[<c0128efc>] ____call_usermodehelper+0x5c/0xc0
[<c0128ea0>] ____call_usermodehelper+0x0/0xc0
[<c0103b1b>] kernel_thread_helper+0x7/0x1c
=======================
---[ end trace 62e879f3daf4be6a ]---

You can view the .config and dmesg at:

http://bugsplatter.id.au/kernel/boxen/deltree/config-2.6.27.52-rc1a.gz
http://bugsplatter.id.au/kernel/boxen/deltree/dmesg-2.6.27.52-rc1a.gz

Top and machine info:

http://bugsplatter.id.au/kernel/boxen/deltree/

Box is Internet facing firewall running Slackware-11.0 and I have
my streaming audio ;) Can't be too bad.

Cheers,
Grant.
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From: Linus Torvalds on 13 Aug 2010 20:20
On Fri, Aug 13, 2010 at 4:47 PM, Grant Coady <gcoady.lk(a)gmail.com> wrote:
>
> Machine is running, but there's a lot of these in the dmesg:
>
> WARNING: at include/linux/security.h:1826 acct_stack_growth+0xe7/0xf0()

That would seem to be because of the lack of commit 05fa199d45c in
2.6.27. It got marked for stable, but probably never went so far back
as 2.6.27.

That said, I do wonder if it is worth it maintaining a 2.6.27 that the
maintainer can't even boot on his machines any more.

Linus
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From: Greg KH on 13 Aug 2010 20:50
On Fri, Aug 13, 2010 at 05:12:57PM -0700, Linus Torvalds wrote:
> On Fri, Aug 13, 2010 at 4:47 PM, Grant Coady <gcoady.lk(a)gmail.com> wrote:
> >
> > Machine is running, but there's a lot of these in the dmesg:
> >
> > WARNING: at include/linux/security.h:1826 acct_stack_growth+0xe7/0xf0()
>
> That would seem to be because of the lack of commit 05fa199d45c in
> 2.6.27. It got marked for stable, but probably never went so far back
> as 2.6.27.

Yup, I didn't include it there. Grant, if you add that, does the
warning go away?

> That said, I do wonder if it is worth it maintaining a 2.6.27 that the
> maintainer can't even boot on his machines any more.

Yeah, I'm beginning to wonder about it as well. I think it's expected
lifespan is very near to the end.

thanks,

greg k-h
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