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Re: boot freeze when wifi is not in the same state than before hibernation



Le Lun 10 septembre 2012 17:28, Camaleón a écrit :
> On Mon, 10 Sep 2012 17:00:28 +0200, Morel Bérenger wrote:
>
>
>> Le Lun 10 septembre 2012 16:46, Camaleón a écrit :
>>
>
>>>> I do not really see how to use command-line before the moment I
>>>> have wrote #pm-hibernate and the moment where my computer reboot?
>>>> Except
>>>> the physical switch, I have no way to control the wifi between those
>>>>  moments.
>>>
>>> Is the computer not accesible via ssh, I mean, from another system?
>>> You
>>> can connect an ethernet cable and try to access from there. Once in,
>>> you can run the commands to engage the wireless card (by means of
>>> "rfkill unblock <wifi>").
>>>
>>>
>>>> I am looking for the suspend_modules options, but I am not really
>>>> comfortable with modules... they are a part of linux I did not had
>>>> enough time to dig, actually (as for all kernel stuff, video
>>>> configuration, and sysVinit scripts, I have some fear to go too
>>>> deep)
>>>
>>> You don't have to do anything special other that telling "pm-suspend"
>>>  to unload the wireless kernel module when going to sleep :-)
>>>
>> I do not think it is possible to access a computer which is in
>> hibernation state? I use pm-hibernate, not pm-suspend, so the computer
> is really shutdown.
>
> But you already exited form hibernation, right? That's what triggers the
> problem (freeze) with the wireless adapter. On the other hand, this way you
> can test if the whole system is frozen (kernel soft lock) or is just the X
> server that fails to restore.
>
>> More interesting is the fact that when I connect to that computer, I
>> more often use the wi-fi itself ;) I do not have enough ethernet cables
>> at home so...
>
> It's just for testing purposes, nothing you will have to do on every day
> basis :-)
>
>> For the module thing, the only information I have found in the man is
>> the name of the variable (which you gave me anyway), nothing about file
>> syntax (and, of course, no sample is present) so I think I'll dig when
>> I'll be at home. I'll need some time to have my brain upgrade correctly
>>  :) Sometimes I do not like man pages...
>>
>
> There's not much magic behind it: you have a variable that you need to
> fill with the name of the kernel module you want to be "unloaded" before
> suspending the system, no more and no less.
>
> Greetings,
>
>
> --
> Camaleón
>
>
>
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>

The problem does not come from X I think, because nothing works. And I do
not have any use for fooDM (gdm, kdm, xdm, damndm... are of no use, a
script is far better in my opinion)
But I'll try that to know a little more from where come the freeze, it is
a nice idea.

About the var, I'll try that.


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