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    SubjectRe: [2.6.19-rc3-mm1] BUG at arch/i386/mm/pageattr.c:165
    On Mon, Oct 30, 2006 at 11:34:32PM -0800, Andrew Morton wrote:
    > On Mon, 30 Oct 2006 23:03:51 -0800
    > Greg KH <greg@kroah.com> wrote:
    >
    > > On Mon, Oct 30, 2006 at 09:10:46PM -0800, Andrew Morton wrote:
    > > > On Mon, 30 Oct 2006 22:58:11 -0500
    > > > Andrew James Wade <andrew.j.wade@gmail.com> wrote:
    > > >
    > > > > >
    > > > > > hm. Please send the .config
    > > > > >
    > > > > Sure.
    > > > >
    > > > > I've just found out that unsetting CONFIG_SYSFS_DEPRECATED makes the
    > > > > crash go away. I can hack around the resulting udev incompatibility.
    > > > >
    > > > > #
    > > > > # Automatically generated make config: don't edit
    > > > > # Linux kernel version: 2.6.19-rc3-mm1
    > > > > # Mon Oct 30 19:31:03 2006
    > > >
    > > > Well I tried to reproduce this, but I got such a psychedelic cornucopia of
    > > > oopses at various bisection points amongst those sysfs patches that I think
    > > > I'll just give up.
    > > >
    > > > Greg, Kay: it's quite ugly. I'll drop all those patches for now, and I
    > > > suggest you do so too. Have a play with the .config which Andrew sent..
    > >
    > > No, please don't drop them. We have tested these out on a lot of
    > > different boxes. So far everyone's problems have either been due to
    > > something else in -mm (acpi patches), or because they did not read the
    > > CONFIG_SYSFS_DEPRECATED Kconfig help text.
    >
    > Does acpi cause the change_page_attr oopses?
    >
    > What caused the several different oopses which I got with Andrew's config?
    > They were all inside the gregkh-driver-* series. (That test machine is
    > running FC1, which doesn't run udev at all. Its BIOS is acpi-free).
    >
    > Here's one: http://userweb.kernel.org/~akpm/s5000364.jpg

    That function (snd_register_device_for_dev), isn't even in 2.6.19-rc3,
    so I don't see how any of my changes could have affected it :)

    > I didn't grab the others.
    >
    > > I have yet to see any real problems with these patches, except for your
    > > build issue with the bonding drivers, which I'm fixing up right now.
    >
    > Tried Andrew's .config?

    I will do so in the morning...

    time for sleep,

    greg k-h
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