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Date: Fri, 31 Dec 2010 14:10:48 -0800 From: Avery Pennarun <apenwarr@...mnit.ca> To: yotam.medini@...il.com Cc: Randy Dunlap <rdunlap@...otime.net>, linux-kernel@...r.kernel.org Subject: Re: APM_CONFIG on x86 - Is it possible? On Fri, Dec 31, 2010 at 2:05 PM, Yotam Medini <yotam.medini@...il.com> wrote: > On Fri, 31 Dec 2010 13:54:59 -0800 > Avery Pennarun <apenwarr@...mnit.ca> wrote: >> > I do get: >> > >> > $ sudo modprobe apm >> > FATAL: Error inserting apm >> > (/lib/modules/2.6.32.yumax/kernel/arch/x86/kernel/apm.ko): No such device >> >> The output of 'dmesg' might be revealing here. However, it's likely >> that your PC doesn't actually support APM unless it's *very* old. You >> might want to try ACPI instead. > > Indeed: > $ dmesg | grep -i apm > [ 52.897795] apm: BIOS not found. > I will try to investigate this. > > But I clearly remember that a few years ago, I could issue: > $ cat /proc/apm > and see the battery status. > Then, I believe, the kernel tree used to have arch/i386. arch/i386 is named arch/x86 nowadays. It might be interesting to try an older kernel and see if you get different results. Since APM is so rare nowadays, I wouldn't be surprised to find out that the kernel has accumulated some bugs there in the intervening years. Avery -- 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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