Gentoo Archives: gentoo-user

From: Thomas Drueke <tdrueke@×××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] su in konsole takes much longer to complete in KDE 4.5.1
Date: Tue, 21 Sep 2010 18:57:59
Message-Id: 4C990000.4010005@gmx.net
In Reply to: Re: [gentoo-user] su in konsole takes much longer to complete in KDE 4.5.1 by Thomas Drueke
1 Just to let you know that I solved this (at least somehow) by using kdm
2 as login manager and no longer start KDE via .xinitrc/startkde. It seems
3 some more configuration/program-startup is done by kdm which solves this.
4
5 Thanks for your help.
6 Thomas
7
8 Am 21.09.2010 19:29, schrieb Thomas Drueke:
9 > Thanks for the hint.
10 >
11 > "unset DISPLAY" let "su -" complete immediately.
12 >
13 > I'll check my bashrc/profile + xauth related things to see what might
14 > cause this.
15 >
16 > Thomas
17 >
18 > Am 21.09.2010 12:10, schrieb YoYo Siska:
19 >> On Mon, Sep 20, 2010 at 11:53:34PM +0200, Thomas Drueke wrote:
20 >>> Thanks for hints, but no luck so far.
21 >>>
22 >>> Yohan, using xterm instead of konsole results in the same delay.
23 >>
24 >> To rule some other things out, you could also try:
25 >> unset DISPLAY
26 >> su -
27 >>
28 >> DISPLAY is one of the differences between a text konsole and anything
29 >> under X... Might be that some bashrc/profile script tries to do
30 >> something with X if it sees DISPLAY, but isn't able to connect to X under
31 >> root... (maybe some xauth stuff..)
32 >>
33 >> yoyo
34 >>
35 >>>
36 >>> Alan, hosts contains the hostname (FQDN) for eth0 and also alocalhost
37 >>> entry. Plus wireshark didn't show any network traffic during the delay
38 >>> (for both eth0 and lo).
39 >>>
40 >>> Is there any of the new services from KDE 4 which requires some
41 >>> configuration concerning DNS or similar network services ?
42 >>>
43 >>> Regards,
44 >>> Thomas
45 >>>
46 >>> Am 20.09.2010 23:11, schrieb Alan McKinnon:
47 >>>> Apparently, though unproven, at 20:08 on Monday 20 September 2010, Thomas
48 >>>> Drueke did opine thusly:
49 >>>>
50 >>>>> Hi,
51 >>>>>
52 >>>>> I installed KDE 4.5.1 over the weekend following the
53 >>>>> "remove-all-old-kde-packages-first" approach on the gentoo webpage. So
54 >>>>> far everything seems to be fine except one thing.
55 >>>>>
56 >>>>> When I type "su -" in konsole it takes 20-30 seconds to complete.
57 >>>>> Doing the same on a text console the command completes immediately.
58 >>>>>
59 >>>>> I don't have NIS or LDAP enabled. "strace su -" came back with an
60 >>>>> authentication failure immediately so no much info from there.
61 >>>>> Also "top" didn't show any suspicious process consuming the time.
62 >>>>>
63 >>>>> I found a thread from may which might be related to my observation
64 >>>>> ("KDE takes ages to show password screen after suspend").
65 >>>>> The solution there was to upgrade to KDE 4.4.4 which does not fit here.
66 >>>>> Google didn't show much on this topic as well.
67 >>>>>
68 >>>>> Any ideas what might cause the delay or how to get more close to the
69 >>>>> root cause ?
70 >>>>
71 >>>>
72 >>>> 20-30 second delays due to DNS timeouts have hit me so many times it's always
73 >>>> the first thing I check, even when it seems irrelevant.
74 >>>>
75 >>>> Does your machine have a local hostname, and do you have an entry for it in
76 >>>> either DNS or /etc/hosts?
77 >>>>
78 >>>>
79 >>>
80 >>
81 >>
82 >>
83 >>
84 >
85 >