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Re: VIA P4M800 xorg bug

 

On 2013-07-27 15:45, Erick Brunzell wrote:
> On 07/26/2013 01:43 PM, Erick Brunzell wrote:
>> On 07/26/2013 08:26 AM, Nio Wiklund wrote:
>>> On 2013-07-26 10:54, Erick Brunzell wrote:
>>>> This is actually in relation to my previous post about part of my test
>>>> suite being down and this bug:
>>>>
>>>> https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1203852
>>>>
>>>> As I've said there the kernel upgrade fixed things for most hardware but
>>>> not for the P4M800 graphics. I'll grant you that this hardware is
>>>> getting a bit long-in-the-tooth, maybe circa 2006 or 2007, but it still
>>>> works good with everything but full screen flash.
>>>>
>>>> So what happens? Either trying to boot the live image using "try" or
>>>> trying to boot after installation (this includes upgrading from either
>>>> Raring or updating from Alpha 1) results in a frozen progress bar (now
>>>> dots). So the "dots" are all just lit up but nothing else happens.
>>>>
>>>> If I hack out the "quiet splash" it freezes right here:
>>>>
>>>> https://launchpadlibrarian.net/145894508/P4M800_xfreeze.JPG
>>>>
>>>> Does anyone else see anything alarming there? I don't.
>>>>
>>>> I should point out that I've pretty much ruled out a kernel problem by
>>>> installing the Ubuntu Server daily as suggested by Jonathan .........
>>>> thanks for the suggestion ;^)
>>>>
>>>> Where I'm stuck ATM is trying to access a TTY from that frozen state so
>>>> I can file  a bug using "ubuntu-bug xorg". I suppose I could do it in a
>>>> chroot but I'd rather access the terminal while it's in that frozen state.
>>>>
>>>> Any ideas about how to access tty while it's in that frozen state are
>>>> welcome :^)
>>>>
>>>> Thanks in advance,
>>>>
>>>> Lance
>>>>
>>> I do suspect the graphics too.
>>>
>>> No I don't know to access tty while it's in that frozen state. It
>>> depends how frozen it is. But maybe you can try some tips.
>>>
>>> 1. My standard way to get another text screen is the hotkey combination
>>> ctrl + alt + F1 ... ctrl + alt + F6. It works even in the alternate
>>> installer if you want to 'look behind the curtain'. In the alternate
>>> installer the standard text menu is in 'ctrl + alt + F1', and an
>>> installation log is in 'ctrl + alt + F4' (I think, it is easy to check).
>>> In the desktop (live and installed), the graphic desktop environment is
>>> in 'ctrl + alt + F7'.
>>>
>>> 2. Read the log files, whatever is logged at this early stage. I must
>>> admit that I am bad log file reader myself, but I have seen a lot of
>>> advice about that at the Ubuntu Forums. So it might be worthwhile.
>>>
>>> 3. Try to boot with the boot option 'text'. Will that work? And then if
>>> you try 'startx' or 'sudo service lightdm start', what happens?
>>>
>>> 4. If you haven't tried it already, try the recovery mode.
>>>
>>> Good luck :-)
>>> Nio
>>>
>> Many thanks. The text boot parameter should work for me. I'm going to be
>> busy for a couple of days but if the bug still exists when I get back to
>> this I'll file a bug against xorg using this method:
>>
>> https://help.ubuntu.com/community/ReportingBugs#Filing_bugs_at_Launchpad.net
>>
>> Then I'll ask the xorg devs to set up "apport-collect" so I can gather
>> info using the tty offered by using the text boot parameter.
>>
>> Lance
>>
> How good or bad did I do:
> 
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1205643
> 
> Lance
> 
I think it is a good presentation of the bug. And you state very
clearly, that you want to help find and solve the problem :-)

Good luck
Nio



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