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Date: Fri, 26 Mar 2010 19:47:52 -0600 From: Robert Hancock <hancockrwd@...il.com> To: Arnout Vandecappelle <arnout@...d.be> CC: Ákos Maróy <akos@...oy.hu>, Kernel development list <linux-kernel@...r.kernel.org>, linux-acpi <linux-acpi@...r.kernel.org> Subject: Re: how to debug a kernel that does not power off? On 03/26/2010 01:56 PM, Arnout Vandecappelle wrote: > Take a look at the pm_power_off functions in arch/x86/kernel/apm_32.c > > Regards, > Arnout Any modern machine will be using ACPI functions to power off, not APM.. CCing the linux-acpi list. > > On Wednesday 24 March 2010 00:44:30, Ákos Maróy wrote: >> Hi, >> >> This might be a lame question, but: how would I debug a kernel that >> simply does not power off a machine? When powering off, on the console I >> get to the message: [...] Poweroff. >> >> but then, the machine actually does not power off. This is an HP Envy 15 >> laptop using an intel i7 CPU, and kernel 2.6.32.9. >> >> I tried to read up on all sorts of documentation, but could not get more >> debug info out of the kernel :( >> >> any pointers would be welcome.. >> >> >> Akos >> -- >> 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/ > -- 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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