Re: Fedora 7 screen freeze

[Derek Atkins <warlord MIT EDU>]

You have no swap space.  You used all your memory.  You sent your
computer into "swap hell".   Add some swap space and it shouldn't
happen as often.

-derek

Quoting Karl Larsen <k5di zianet com>:

> 	Here is top from my old computer:
> top - 08:51:03 up  3:04,  1 user,  load average: 0.06, 0.08, 0.17
> Tasks: 127 total,   1 running, 124 sleeping,   0 stopped,   2 zombie
> Cpu(s):  7.5%us,  3.8%sy,  0.0%ni, 88.6%id,  0.0%wa,  0.1%hi,  0.0%si,
> 0.0%st
> Mem:    482776k total,   475472k used,     7304k free,    29076k buffers
> Swap:        0k total,        0k used,        0k free,   163588k cached
>
> As you can see I have just 500kb of RAM and a pentium cpu that never
> seems to be used much on a percentage basis. When my computer went into
> a sudden freeze it was surprising. The curser would sit in one place for
> 20 seconds and then move quick to another. I wanted to run top and see
> what was happening. But it was impossible.
>
> 	Just before I had the problem I wanted to yum install filename and it
> started out and then died. Then the freeze and I looked at the hard
> drive light and it was on solid. This means it was using the swap
> partition on the hard drive. My HD's are not fast.
>
> 	I rebooted and then read /var/log/messages and found this was happening
> while I had a frozen screen:
>
> Jul 23 19:10:20 k5di NetworkManager: <info>  Updating allowed wireless
> network lists.
> Jul 23 19:10:20 k5di NetworkManager: <WARN>  nm_dbus_get_networks_cb():
> error received: org.freedesktop.NetworkManagerInfo.NoNetworks - There
> are no wireless networks stored..
> Jul 23 19:10:20 k5di pcscd: winscard.c:219:SCardConnect() Reader E-Gate
> 0 0 Not Found
> Jul 23 19:10:20 k5di last message repeated 4 times
> Jul 23 19:10:37 k5di ntpd[1883]: Cannot find existing interface for
> address 194.88.2.60
> Jul 23 19:10:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:10:37 k5di ntpd[1883]: Cannot find existing interface for
> address 195.197.239.163
> Jul 23 19:10:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:10:38 k5di ntpd[1883]: Cannot find existing interface for
> address 192.36.143.150
> Jul 23 19:10:38 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:11:36 k5di ntpd[1883]: Cannot find existing interface for
> address 194.88.2.60
> Jul 23 19:11:36 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:11:36 k5di ntpd[1883]: Cannot find existing interface for
> address 195.197.239.163
> Jul 23 19:11:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:11:37 k5di ntpd[1883]: Cannot find existing interface for
> address 192.36.143.150
> Jul 23 19:11:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:12:36 k5di ntpd[1883]: Cannot find existing interface for
> address 194.88.2.60
> Jul 23 19:12:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:12:37 k5di ntpd[1883]: Cannot find existing interface for
> address 195.197.239.163
> Jul 23 19:12:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:12:37 k5di ntpd[1883]: Cannot find existing interface for
> address 192.36.143.150
> Jul 23 19:12:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:13:37 k5di ntpd[1883]: Cannot find existing interface for
> address 194.88.2.60
> Jul 23 19:13:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:13:37 k5di ntpd[1883]: Cannot find existing interface for
> address 195.197.239.163
> Jul 23 19:13:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:13:37 k5di ntpd[1883]: Cannot find existing interface for
> address 192.36.143.150
> Jul 23 19:13:37 k5di ntpd_initres[1894]: ntpd indicates no data available!
> Jul 23 19:14:35 k5di ntpd[1883]: Listening on interface #4 eth0,
> fe80::250:2cff:fea8:69f3#123 Enabled
> Jul 23 19:14:35 k5di ntpd[1883]: Listening on interface #5 eth0,
> 192.168.0.2#123 Enabled
> Jul 23 19:19:23 k5di ntpd[1883]: synchronized to 194.88.2.60, stratum 3
> Jul 23 19:19:23 k5di ntpd[1883]: kernel time sync status change 0001
>
> 	I looked up man ntpd and it is the software that sets the clock time in
> your computer. It is complaining that it can't get to the internet! I
> saw that NetworkManager was looking for a WiFi source of the Internet
> which has NEVER existed on this computer. While NM has the Internet from
> eth0 turned off ntpd has gone wild about this and the yum install was
> stopped and the freeze occured.
>
> 	I need help to understand this. It isn't this that used up all the RAM.
> But this tells me NM was doing stupid things which did not help the
> situation.
>
>
> --
>
> 	Karl F. Larsen, AKA K5DI
> 	Linux User
> 	#450462   http://counter.li.org.
> _______________________________________________
> NetworkManager-list mailing list
> NetworkManager-list gnome org
> http://mail.gnome.org/mailman/listinfo/networkmanager-list



--
      Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
      Member, MIT Student Information Processing Board  (SIPB)
      URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
      warlord MIT EDU                        PGP key available