Re: [PATCH] X86: Solve Dell Latitudes do not reboot on x86_64 more generally

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On 11/04/2011 08:44 PM, Thomas Renninger wrote:

> There are quite some reports that those do not reboot:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/833705
> ->E6520, E6220
> http://www.linux-club.de/viewtopic.php?f=29&t=114459&start=20
> ->E5520
> and some more already are blacklisted
> 
> This patch improves the blacklist for all E6xxx and E5xxx Latitudes.
> 
> Strange is that on above Ubuntu bug it was mentioned that 32 bit
> reboots just fine, which should use the same mechanism than 64 bit
> by default (ACPI).
> 
> While this should solve the problem on short term for quite some users,
> hopefully a more generic way is found sooner or later...
> 
> 
> Signed-off-by: Thomas Renninger <trenn@xxxxxxx>
> CC: stable@xxxxxxxxxx


Acked-by: Len Brown <len.brown@xxxxxxxxx>

Although this may be an issue with ACPI,
looks like this patch should go though TIP
because of the file changed.

thanks,
-Len


> ---
>  arch/x86/kernel/reboot.c |   20 ++++++--------------
>  1 files changed, 6 insertions(+), 14 deletions(-)
> 
> diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
> index 42f8cd7..7fcb20a 100644
> --- a/arch/x86/kernel/reboot.c
> +++ b/arch/x86/kernel/reboot.c
> @@ -419,28 +419,20 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
>  			DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
>  		},
>  	},
> -	{	/* Handle problems with rebooting on the Latitude E6320. */
> -		.callback = set_pci_reboot,
> -		.ident = "Dell Latitude E6320",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> -			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"),
> -		},
> -	},
> -	{	/* Handle problems with rebooting on the Latitude E5420. */
> +	{
>  		.callback = set_pci_reboot,
> -		.ident = "Dell Latitude E5420",
> +		.ident = "Dell Latitude E5xxx",
>  		.matches = {
>  			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> -			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5420"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5"),
>  		},
>  	},
> -	{	/* Handle problems with rebooting on the Latitude E6420. */
> +	{
>  		.callback = set_pci_reboot,
> -		.ident = "Dell Latitude E6420",
> +		.ident = "Dell Latitude E6xxx",
>  		.matches = {
>  			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> -			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6"),
>  		},
>  	},
>  	{


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