On 11/14/2009 08:45 PM, Michael Buesch wrote:
> On Saturday 14 November 2009 12:24:24 Oncaphillis wrote:
>> On 11/13/2009 08:20 PM, Larry Finger wrote:
>>> On 11/13/2009 11:46 AM, Oncaphillis wrote:
>>>
>>>>     Thanks for the tip. But it still hangs
>>>
>>> We still need to know where it hangs. If you boot to console mode (type a 3 
>>> on
>>> the option line in GRUB), does it boot? If it does not, what is the last 
>>> line
>>> shown on the console? If your distro shows a splash screen while booting, 
>>> get
>>> rid of it by typing an ESC after booting starts, or eliminate the
>>> "splash=silent" option on the boot line.
>>>
>>> If the previous boot works, log into your usual account. That should still 
>>> work.
>>> Next you should type the command startx and immediately press the keys
>>> CRTL-ALT-F10. That is hold the CTRL and ALT keys while pressing the F10 
>>> key. The
>>> display should shift to the log console. When the computer freezes, report 
>>> what
>>> you see on the screen. It will not scroll, nor can you save it. Write it 
>>> down by
>>> hand or take a picture.
>>>
>>> Report what happens. If some of these steps don't work on your computer, 
>>> please
>>> tell what distro you are using.
>>>
>>> Larry
>>>
>>    So now I've stripped down the kernel quite a lot and added as many
>> debug options that seem to make sense to me. No ACPI at all and no
>> network device driver except for b43, including low eneregy optins,
>> and PIO mode. If I leave out the b43 driver the kernel boots just
>> fine. If I include it I get the following on the screen:
>>
>>
>>     http://oncaphillis.net/IMG_0214.JPG
>>
>> So it seems to me it doesn't even reach the loading of p43.ko
>> but gets stuck in the cfg80211 layer.
>
> Well, there's a TSC message after that, which is completely unrelated to 
> cfg80211.
> It could possibly be sleeping in the CRDA call and executes the TSC stuff in
> parallel (given that the TSC message is only a few microseconds later).
> I don't really know how parallelization is done here (if any).
>
>> Any further hints how to proceed in debugging this.
>
> Do you have cfg80211/mac80211 built-in or as modules? The TSC message after
> the cfg80211 message might indicate that it's built-in.


  It used to be build in, but I successfully built and inserted all 
components (including b43) as a module (see my previous message ).

>
> It's basically impossible to tell what's going on here. You could do a git 
> bisection
> to track down the bad commit.
>
>

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