[ydl-gen] Boot error: USB hub

[angelo]

Bill Fink ha scritto:
> On Fri, 22 Jan 2010, Robert Spykerman wrote:
>
>   
>> 2010/1/22 angelo <angelo_da_re at alice.it>:
>>
>>     
>>> Hi Robert and thanks for your concern about my problem. The exact message
>>> is: error at "! /etc/X11/Xmodmap". Thanks in advance, Angelo
>>>       
>> Hmm.. Now the other thing that would be interesting is to know where
>> this mesage is being issued from, ie which script. I am guessing that
>> an X startup script issues this but I am not sure.
>>
>> To me, it sounds like xmodmap is trying to parse /etc/X11/Xmodmap and
>> failing. From what you've described (no change in hardware, previously
>> working USB peripherals etc), in the setting of an improper shutdown,
>> there is one highly likely explanation I can think of - your Xmodmap
>> file must have someway been corrupted.
>>
>> Now unfortunately I do not know enough about X to say this with any
>> degree of certainty nor can I tell you how exactly to fix it. You may
>> well want to take a look at the Xmodmap file, if it's corrupt,
>> generate a new Xmodmap config file and see if that works.
>>
>> That will mean understanding the format of the Xmodmap config file and
>> that will mean looking I guess, ie man xmodmap.
>>
>> Please note, I could be completely wrong, I am still struggling to
>> figure out how a linux distro is put together. Someone more well
>> versed in this might be able to hep
>>     
>
> You can check if the Xmodmap file is corrupted by the following
> procedure:
>
> 	1.  Find out what RPM /etc/X11/Xmodmap is a part of:
>
> 	    gwiz% rpm -qf /etc/X11/Xmodmap 
> 	    xorg-x11-xinit-1.0.9-9.fc11.x86_64
>
> 	2.  Now check the integrity of the xorg-x11-xinit RPM:
>
> 	    gwiz% rpm --verify xorg-x11-xinit
> 	    gwiz% 
>
>             No output is a good sign.  Check "man rpm" for an
> 	    explanation of any detected issues.
>
> 	3.  If the xorg-x11-xinit RPM is corrupted, you can
> 	    reinstall it as root using the command:
>
> 	    yum reinstall xorg-x11-xinit
>
> Of course there could be other things also corrupted, or the
> file system itself could be corrupted, perhaps causing something
> else to erroneously reference the Xmodmap file, even if it isn't
> corrupted itself.  Hence the importance of system backups.
>
> 					-Hope this helps
>
> 					-Bill
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>   
Thank you very much, Bill, for the precious info. I'll try the commands 
you wrote and I surely let you know the outcome. Thanks again, Angelo Da Re.
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