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SubjectRe: Regression with commit f9cde5f in 2.6.30-gitX

* Jaswinder Singh Rajput <jaswinder@kernel.org> wrote:

> On Tue, 2009-06-23 at 20:33 -0500, Larry Finger wrote:
> > My latest pull from Linus's tree fails to boot. Bisection leads to the
> > commit entitled "x86/ACPI: Correct maximum allowed _CRS returned
> > resources and warn if exceeded" with hash
> > f9cde5ffed17bf74f6bef042d99edb0622f58576. I have been unable to
> > capture the first error message as it scrolls off the screen, but the
> > second hits the WARN_ON at drivers/ata/ahci.c:695 in routine
> > ahci_enable_ahci() because HOST_AHCI_EN is not set.
> >
>
> This patch fixes boot failure on my AMD 64 laptop, can you please test
> this patch:
>
> [PATCH] x86: fix _CRS resources return handling
>
> We need to check for info->res_num and only handle for < PCI_BUS_NUM_RESOURCES
>
> Also set info->bus->resource[info->res_num] for _CRS resources return handling
>
> Fixed boot failure on some machine.
>
> Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
> ---
> arch/x86/pci/acpi.c | 16 ++++++++++------
> 1 files changed, 10 insertions(+), 6 deletions(-)

Ah, nice! I suspect it was this upstream commit causing it:

f9cde5f: x86/ACPI: Correct maximum allowed _CRS returned resources and warn if exceeded

right?

Jesse, you'll handle this, right? I'll apply it to tip:out-of-tree
(not-for-upstream) for testing.

Ingo


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