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Message-ID: <20100716223140.69696431@schatten.dmk.lab> Date: Fri, 16 Jul 2010 22:31:40 +0200 From: Florian Mickler <florian@...kler.org> To: linux-kernel@...r.kernel.org Cc: linux-kernel@...r.kernel.org Subject: Re: [PATCH] Remove 9 second reboot delay on Lenovo T400/T500 On Fri, 16 Jul 2010 09:38:54 +0200 Jens Rutschmann <Jens.Rutschmann@....info> wrote: > Am 14.07.2010 16:33 schrieb Pedro Ribeiro: > > Please consider this patch. Let me know if you would like me to change > > anything or if you don't agree with it. It applies cleanly to 2.6.35-rc5. > > > > The Lenovo T400 and T500 have an annoying 9 second delay when > > rebooting, unless reboot=pci is passed to the kernel command line. > > This delay happens from at least kernel 2.6.20. > > > > Make this change permanent by hardcoding the Tx00 on the > > arch/kernel/reboot.c pci quirks table. > > Hi, > > I just want to add to this discussion that this problem also occurs on my T61 with only Linux installed on it. > "reboot=pci" also removed the reboot delay here. > > If you need some further information or want me to try some patches / old kernels I'd be glad to help. > > Regards, > Jens > Hi! Just a quick me too: I'm on Lenovo R61. reboot=pci gives instantaneous reboot, reboot=acpi and default-reboot delays for 9 seconds... Cheers, Flo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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