Thanks for the hint.

"unset DISPLAY" let "su -" complete immediately.

I'll check my bashrc/profile + xauth related things to see what might
cause this.

Thomas

Am 21.09.2010 12:10, schrieb YoYo Siska:
> On Mon, Sep 20, 2010 at 11:53:34PM +0200, Thomas Drueke wrote:
>> Thanks for hints, but no luck so far.
>>
>> Yohan, using xterm instead of konsole results in the same delay.
> 
> To rule some other things out, you could also try:
> unset DISPLAY
> su -
> 
> DISPLAY is one of the differences between a text konsole and anything
> under X... Might be that some bashrc/profile script tries to do
> something with X if it sees DISPLAY, but isn't able to connect to X  under
> root... (maybe some xauth stuff..)
> 
> yoyo
> 
>>
>> Alan, hosts contains the hostname (FQDN) for eth0 and also alocalhost
>> entry. Plus wireshark didn't show any network traffic during the delay
>> (for both eth0 and lo).
>>
>> Is there any of the new services from KDE 4 which requires some
>> configuration concerning DNS or similar network services ?
>>
>> Regards,
>> Thomas
>>
>> Am 20.09.2010 23:11, schrieb Alan McKinnon:
>>> Apparently, though unproven, at 20:08 on Monday 20 September 2010, Thomas 
>>> Drueke did opine thusly:
>>>
>>>> Hi,
>>>>
>>>> I installed KDE 4.5.1 over the weekend following the
>>>> "remove-all-old-kde-packages-first" approach on the gentoo webpage. So
>>>> far everything seems to be fine except one thing.
>>>>
>>>> When I type "su -" in konsole it takes 20-30 seconds to complete.
>>>> Doing the same on a text console the command completes immediately.
>>>>
>>>> I don't have NIS or LDAP enabled. "strace su -" came back with an
>>>> authentication failure immediately so no much info from there.
>>>> Also "top" didn't show any suspicious process consuming the time.
>>>>
>>>> I found a thread from may which might be related to my observation
>>>> ("KDE takes ages to show password screen after suspend").
>>>> The solution there was to upgrade to KDE 4.4.4 which does not fit here.
>>>> Google didn't show much on this topic as well.
>>>>
>>>> Any ideas what might cause the delay or how to get more close to the
>>>> root cause ?
>>>
>>>
>>> 20-30 second delays due to DNS timeouts have hit me so many times it's 
>>> always 
>>> the first thing I check, even when it seems irrelevant.
>>>
>>> Does your machine have a local hostname, and do you have an entry for it in 
>>> either DNS or /etc/hosts?
>>>
>>>
>>
> 
> 
> 
> 

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