Fwd: Laptop performs really slow when running from wifi
Asif Iqbal
vadud3 at gmail.com
Wed Nov 21 01:33:34 UTC 2007
Resending without the attachment to meet size restrcition
---------- Forwarded message ----------
From: Asif Iqbal <vadud3 at gmail.com>
Date: Nov 20, 2007 7:58 PM
Subject: Re: Laptop performs really slow when running from wifi
To: "Ubuntu user technical support, not for general discussions"
<ubuntu-users at lists.ubuntu.com>
On Nov 20, 2007 4:56 PM, Asif Iqbal <vadud3 at gmail.com> wrote:
> On Nov 20, 2007 12:03 PM, David Curtis <dcurtis at uniserve.com> wrote:
> >
> >
> > On Nov 20, 2007 8:24 PM, Asif Iqbal <vadud3 at gmail.com
> > > <mailto:vadud3 at gmail.com>> wrote:
> > >
> > > Anyone else have any suggestion as to why my laptop crawls after
> > > running for a while on ONLY wifi?
> > >
> > > Should I downgrade it to feisty fawn? I had no problem with wifi there.
> > >
> > > What is the simple way to downgrade?
> > >
> > >
> >
> > I would assume that since your mouse "flickers" and screen refresh is
> > slow that something is consuming a large amounts of cpu. Run 'top' or
> > 'htop' in a terminal (or tty, ctrl-alt-f1, ctrl-alt-f7 to return to
> > Xorg). The offender should be at the top of the list.
>
> I am almost positive it was X on the top of the htop list. I will run it again
> tonight and report back here.
>
My laptop got slow again. Mouse flickers soo much and screen refresh sooo slow
that this laptop becomes useless until I reboot
I finish typing and then I see the characters are showing up. Really rally slow
The `htop' shows like like the attachment.
Here is the output from `top'. Looks like Xorg could be culprit. What
does not make
sense is how it is related to wifi? It only happens when I am on wifi
top - 19:55:23 up 41 min, 3 users, load average: 0.67, 1.08, 1.00
Tasks: 135 total, 2 running, 133 sleeping, 0 stopped, 0 zombie
Cpu(s): 7.0%us, 62.7%sy, 0.0%ni, 30.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1547560k total, 864960k used, 682600k free, 16444k buffers
Swap: 1485972k total, 0k used, 1485972k free, 558292k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5925 root 15 0 337m 22m 7304 R 69.5 1.5 6:52.82 Xorg
1 root 15 0 2948 1856 532 S 0.0 0.1 0:02.33 init
2 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0.0 0.0 0:00.00
migration/0
4 root 34 19 0 0 0 S 0.0 0.0 0:00.00
ksoftirqd/0
5 root RT -5 0 0 0 S 0.0 0.0 0:00.00
watchdog/0
6 root 10 -5 0 0 0 S 0.0 0.0 0:00.01 events/0
7 root 10 -5 0 0 0 S 0.0 0.0 0:00.02 khelper
26 root 12 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/0
27 root 10 -5 0 0 0 S 0.0 0.0 0:01.27 kacpid
28 root 11 -5 0 0 0 S 0.0 0.0 0:01.27
kacpi_notify
186 root 10 -5 0 0 0 S 0.0 0.0 0:00.06 kseriod
207 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 kswapd0
258 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
2059 root 10 -5 0 0 0 S 0.0 0.0 0:00.00
ksuspend_usbd
2060 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
2217 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ata/0
2218 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 ata_aux
2231 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
2232 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1
2512 root 10 -5 0 0 0 S 0.0 0.0 0:00.35 kjournald
2775 root 11 -4 3044 1392 408 S 0.0 0.1 0:00.49 udevd
3749 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 kpsmoused
3793 root 16 -5 0 0 0 S 0.0 0.0 0:00.02 kmmcd
3803 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 pccardd
3804 root 10 -5 0 0 0 S 0.0 0.0 0:00.26 ipw2200/0
3809 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 tifm
3842 root 20 -5 0 0 0 S 0.0 0.0 0:00.00
irda_sir_wq
4301 daemon 15 0 1816 508 412 S 0.0 0.0 0:00.00 portmap
4322 statd 19 0 1876 716 616 S 0.0 0.0 0:00.00 rpc.statd
4565 root 18 0 1696 520 448 S 0.0 0.0 0:00.00 getty
4566 root 18 0 1696 520 448 S 0.0 0.0 0:00.00 getty
> >
> > Dave
> >
> > --
> >
> > ubuntu-users mailing list
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> >
>
>
>
> --
>
> Asif Iqbal
> PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
>
--
Asif Iqbal
PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
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Asif Iqbal
PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
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