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From: Greg KH on 12 Mar 2010 20:20
2.6.33-stable review patch. If anyone has any objections, please let me know.

-----------------

From: Justin P. Mattock <justinmattock(a)gmail.com>

commit 0a832320f1bae6a4169bf683e201378f2437cfc1 upstream.

On the iMac9,1 /sbin/reboot results in a black mangled screen. Adding
this DMI entry gets the machine to reboot cleanly as it should.

Signed-off-by: Justin P. Mattock <justinmattock(a)gmail.com>
LKML-Reference: <1266362249-3337-1-git-send-email-justinmattock(a)gmail.com>
Signed-off-by: H. Peter Anvin <hpa(a)zytor.com>
Signed-off-by: Ingo Molnar <mingo(a)elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
arch/x86/kernel/reboot.c | 8 ++++++++
1 file changed, 8 insertions(+)

--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -461,6 +461,14 @@ static struct dmi_system_id __initdata p
DMI_MATCH(DMI_PRODUCT_NAME, "Macmini3,1"),
},
},
+ { /* Handle problems with rebooting on the iMac9,1. */
+ .callback = set_pci_reboot,
+ .ident = "Apple iMac9,1",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
+ },
+ },
{ }
};



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