ACK: [Natty][SRU][PATCH 0/2] Reboot quirks for Dell Latitude's

Tim Gardner tim.gardner at
Wed Sep 21 14:41:04 UTC 2011

On 09/21/2011 08:30 AM, leann.ogasawara at wrote:
> From: Leann Ogasawara<leann.ogasawara at>
> BugLink:
> BugLink:
> == Natty SRU Justification ==
> It's been reported that the Dell Latitude E6220 and E6520 don't reboot
> unless using reboot=pci.  The following patches resolve this issue on
> each system and has been successfully tested on both.  Upstream is
> unfortunately not accepting any additional quirk patches like this as
> they would prefer to migrate to a more systematic approach.  Given that
> the patches are system specific (ie low risk of regression), precedence
> for similar quirk patches already existing, and having received positive
> test results, I feel these should be carried as a SAUCE patch until a
> more systematic approach can be found which upstream will accept.
> == Impact ==
> Affects Dell Latitude E6220 and E6250 models.
> == Test Case ==
> Without these patches, those with a Dell Latitude E6220 or E6520 must
> use reboot=pci as a workaround in order for the system to successfully
> reboot.  With the patches applied, the work around is no longer needed.
> Leann Ogasawara (2):
>    UBUNTU: SAUCE: x86: reboot: Make Dell Latitude E6220 use reboot=pci
>    UBUNTU: SAUCE: x86: reboot: Make Dell Latitude E6520 use reboot=pci
>   arch/x86/kernel/reboot.c |   16 ++++++++++++++++
>   1 files changed, 16 insertions(+), 0 deletions(-)

Acked-by: Tim Gardner <tim.gardner at>
Tim Gardner tim.gardner at

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