Re: [arch-general] Weird behaviour A/C vs battery

2011-08-13 Thread Manolo Martínez
Hello, thanks everyone for your help, and the very interesting suggestions. I'm afraid my problem was more mundane. It appears to be an effect of the interaction of some modules with the latest kernels. In my case, it can be bypassed by rmmodding ehci_hcd at shutdown. More information, links t

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-13 Thread XeCycle
Richard Schütz writes: [...] > Switching between reboot methods is possible with a kernel > parameter. There are several methods. May the source [0] be with > you. > > [0] > http://git.kernel.org/?p=linux/kernel/git/stable/linux-3.0.y.git;a=blob;f=arch/x86/kernel/reboot.c;h=9242436e9937e5a4ef91c

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-13 Thread Richard Schütz
Am 13.08.2011 14:25, schrieb Mauro Santos: I've read that the reboot method/commands sent to the hardware were being changed to closely mimic what windows does [1], this was meant to workaround broken bios which don't comply to a standard and are only made and tested to work with windows. Maybe

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-13 Thread Mauro Santos
I've read that the reboot method/commands sent to the hardware were being changed to closely mimic what windows does [1], this was meant to workaround broken bios which don't comply to a standard and are only made and tested to work with windows. Maybe somehow that is causing the problem for you,

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-13 Thread Martti Kühne
On Sat, Aug 13, 2011 at 8:46 AM, Manolo Martínez wrote: > Anyway, as I say, I was hoping that a difference of behaviour between > A/C and battery would be indicative of malfunction in some particular > piece of software... Maybe if you end up looking into your user's system > you'll be kind enough

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-12 Thread Manolo Martínez
Hi, Carl, thanks. In my case any of these commands, when on battery, brings the computer to an unresponsive state -- I wish it would reboot! Anyway, as I say, I was hoping that a difference of behaviour between A/C and battery would be indicative of malfunction in some particular piece of softw

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-12 Thread XeCycle
Madhurya Kakati writes: > On Tue, Aug 9, 2011 at 12:03 PM, Manolo Martínez > wrote: [...] >> * Shutdown works OK when on A/C, but, when on battery, the computer ends up >> with fans on and the On button light on. In this state it is totally >> unresponsive -- it looks much as it does when it f

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-09 Thread Manolo Martínez
Thanks a lot for your reply. In this laptop (a Toshiba Satellite U500, btw) I've had several versions of Ubuntu and Fedora installed, and Windows 7 -- although it's currently Arch-only. I've only had this behaviour in Arch. Manolo On 08/09/2011 06:30 PM, Madhurya Kakati wrote: On Tue, Aug 9,

Re: [arch-general] Weird behaviour A/C vs battery

2011-08-09 Thread Madhurya Kakati
On Tue, Aug 9, 2011 at 12:03 PM, Manolo Martínez wrote: > Hello everyone, > > I would like to ask you for help with a weird piece of behaviour of my arch > box (now 3.0, but it was the same with older kernels): > > * Shutdown works OK when on A/C, but, when on battery, the computer ends up > with