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lordalbert
l33t
Joined: 26 Nov 2006
Posts: 840
Location: Italy
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 Posted: Sat Jun 14, 2014 2:21 pm Post subject: [solved] sw is slow to start |
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Hi, i'm installed Gentoo on my new laptop, and the application is slower to start than other gentoo-installation on my desktop (an 7-years-old desktop...).
I also installed Chakra Linux in another partition of the disk... and programs start istantly (for sw slow in gentoo i mean sw as Firefox, Thunderbird (both compiled) and Libreoffice (bin version)).
So i don't think is an hardware benchmark problem.
I don't know how to look for the solution.... Have you any idea?
Thank you!
Last edited by lordalbert on Tue Jun 17, 2014 11:22 am; edited 1 time in total |
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pgu
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Joined: 30 Jul 2009
Posts: 722
Location: Oslo, Norway
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| Posted: Sun Jun 15, 2014 9:55 am Post subject: |
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Maybe some misconfigured network issues, e.g. operations have to timeout before they will continue.
Try to ping some server close by using name and IP:
| Code: | | ping -c 10 google-public-dns-a.google.com. |
vs
| Code: | | ping -c 10 -n 8.8.8.8 |
Even though I don't think libreoffice should be sensitive to DNS issues. |
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lordalbert
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Joined: 26 Nov 2006
Posts: 840
Location: Italy
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| Posted: Sun Jun 15, 2014 11:46 am Post subject: |
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there's no many difference...
| Quote: |
$ ping -c 10 google-public-dns-a.google.com.
PING google-public-dns-a.google.com (8.8.8.8) 56(84) bytes of data.
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=1 ttl=48 time=29.6 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=2 ttl=48 time=25.9 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=3 ttl=48 time=28.7 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=4 ttl=48 time=26.0 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=5 ttl=48 time=27.3 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=6 ttl=48 time=26.6 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=7 ttl=48 time=26.3 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=8 ttl=48 time=27.1 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=9 ttl=48 time=26.4 ms
64 bytes from google-public-dns-a.google.com (8.8.8.8): icmp_seq=10 ttl=48 time=28.2 ms
--- google-public-dns-a.google.com ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9013ms
rtt min/avg/max/mdev = 25.924/27.253/29.682/1.193 ms
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| Quote: |
$ ping -c 10 -n 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=48 time=26.2 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=48 time=44.2 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=48 time=26.0 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=48 time=29.7 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=48 time=25.8 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=48 time=27.4 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=48 time=27.6 ms
64 bytes from 8.8.8.8: icmp_seq=8 ttl=48 time=27.8 ms
64 bytes from 8.8.8.8: icmp_seq=9 ttl=48 time=27.3 ms
64 bytes from 8.8.8.8: icmp_seq=10 ttl=48 time=26.1 ms
--- 8.8.8.8 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9014ms
rtt min/avg/max/mdev = 25.896/28.871/44.219/5.238 ms
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pgu
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Joined: 30 Jul 2009
Posts: 722
Location: Oslo, Norway
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| Posted: Mon Jun 16, 2014 12:08 pm Post subject: |
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That rules out DNS problems. You might want to look at top in a different window while your apps are starting and see if there are any differences between the two versions.
strace is useful to trace system calls to see what an application is doing, but I suspect the large apps will fork out a new process which makes this somewhat difficult |
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khayyam
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Joined: 07 Jun 2012
Posts: 6227
Location: Room 101
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| Posted: Mon Jun 16, 2014 12:33 pm Post subject: |
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lordalbert ... can you post the output of the following:
| Code: | # egrep -v '(^#|^$)' /etc/hosts
# egrep '^hosts' /etc/nsswitch.conf
# cat /etc/resolv.conf |
best ... khay |
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lordalbert
l33t
Joined: 26 Nov 2006
Posts: 840
Location: Italy
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| Posted: Mon Jun 16, 2014 9:42 pm Post subject: |
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| Quote: |
$ egrep -v '(^#|^$)' /etc/hosts
127.0.0.1 localhost
::1 localhost
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| Quote: |
$ egrep '^hosts' /etc/nsswitch.conf
hosts: files dns
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| Quote: |
$ cat /etc/resolv.conf
# Generated by dhcpcd from enp3s0
# /etc/resolv.conf.head can replace this line
nameserver 192.168.1.254
# /etc/resolv.conf.tail can replace this line
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khayyam
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Joined: 07 Jun 2012
Posts: 6227
Location: Room 101
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| Posted: Tue Jun 17, 2014 12:21 am Post subject: |
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lordalbert ... you need to edit /etc/hosts and add the hostname ... eg:
| Code: | 127.0.0.1 myhost.lan myhost localhost
::1 myhost.lan myhost localhost |
where 'myhost' is whatever you have set in /etc/conf.d/hostname.
best ... khay |
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lordalbert
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Joined: 26 Nov 2006
Posts: 840
Location: Italy
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| Posted: Tue Jun 17, 2014 11:22 am Post subject: |
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thank you, problem solved.
I didn't think it could be a network problem.... |
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steveL
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Joined: 13 Sep 2006
Posts: 5153
Location: The Peanut Gallery
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| Posted: Wed Jun 18, 2014 3:54 am Post subject: |
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I always forget to do that on installation; nice one khayyam. Saved it off and linked from OP on my tips page.
Should we also add localhost.localdomain or is that just silly?
Also, does the order signify anything? I can't see anything in man hosts about it, but istr something with IP lookup eg for logs. (I also have localhost last.)
Regards,
steveL |
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lordalbert
l33t
Joined: 26 Nov 2006
Posts: 840
Location: Italy
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| Posted: Wed Jun 18, 2014 8:07 am Post subject: |
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I noticed that in my Desktop, i have only "localhost", no hostname... and in Desktop sw start istantly.
So, why in laptop it slow and in desktop no? It's strange... |
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khayyam
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Joined: 07 Jun 2012
Posts: 6227
Location: Room 101
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| Posted: Wed Jun 18, 2014 11:30 am Post subject: |
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| steveL wrote: | | I always forget to do that on installation; nice one khayyam. Saved it off and linked from OP on my tips page. |
steve ... fame at last :)
| steveL wrote: | | Should we also add localhost.localdomain or is that just silly? |
No need really, debian does this as I remember.
| steveL wrote: | | Also, does the order signify anything? I can't see anything in man hosts about it, but istr something with IP lookup eg for logs. (I also have localhost last.) |
The first entry after 127.0.0.1 will be taken as the FQDN ...
| Code: | # grep '^127' /etc/hosts
127.0.0.1 myhost.lan myhost localhost
# hostname
myhost
# hostname -f
myhost.lan |
So, yes, the order should follow the above schema.
| lordalbert wrote: | | I noticed that in my Desktop, i have only "localhost", no hostname... and in Desktop sw start istantly. |
What does /etc/conf.d/hostname contain on the desktop? If its 'localhost' then the lookup is resolved.
best ... khay |
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lordalbert
l33t
Joined: 26 Nov 2006
Posts: 840
Location: Italy
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| Posted: Wed Jun 18, 2014 12:18 pm Post subject: |
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| Quote: |
$ cat /etc/conf.d/hostname
# Set to the hostname of this machine
hostname="swing"
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khayyam
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Joined: 07 Jun 2012
Posts: 6227
Location: Room 101
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| Posted: Wed Jun 18, 2014 1:12 pm Post subject: |
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| lordalbert wrote: | | Code: | $ cat /etc/conf.d/hostname
# Set to the hostname of this machine
hostname="swing" |
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lordalbert ... not enough information to tell exactly why that is the case ... does this hostname resolve locally?
| Code: | # hostname -f
# hostname -i
# egrep -v '(^#|^$)' /etc/hosts
# egrep '^hosts' /etc/nsswitch.conf
# cat /etc/resolv.conf
# ifconfig
# egrep -v '^#' /etc/conf.d/net
# egrep -v '(^#|^$)' /etc/dhcpcd.conf
# ping -c 1 swing |
Probably other information might also help, ie, 'emerge --info'
best ... khay |
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steveL
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Joined: 13 Sep 2006
Posts: 5153
Location: The Peanut Gallery
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| Posted: Wed Jun 18, 2014 3:22 pm Post subject: |
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| khayyam wrote: | | steve ... fame at last :) |
Lol.
| Quote: | | steveL wrote: | | Should we also add localhost.localdomain or is that just silly? |
No need really, debian does this as I remember. |
OK, was wondering if it was used by zeroconf or anything.
| Quote: | | So, yes, the order should follow the above schema. |
Thanks, updated. |
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