fc5 hangs
Tim Garrett
timmy.garrett at gmail.com
Wed May 31 08:28:38 UTC 2006
On 5/31/06, fedora-list-request at redhat.com <fedora-list-request at redhat.com >
wrote:
> ---------- Forwarded message ----------
> From: "David L" < idht4n at hotmail.com>
> To: fedora-list at redhat.com
> Date: Tue, 30 May 2006 20:28:09 -0700
> Subject: Re: fc5 hangs
>
>
>
> >From: "David L" < idht4n at hotmail.com>
> >Reply-To: For users of Fedora Core releases < fedora-list at redhat.com>
> >To: fedora-list at redhat.com
> >Subject: Re: fc5 hangs
> >Date: Sun, 28 May 2006 08:16:10 -0700
> >
> >>>>>>Two days in a row my fc5 computer has frozen soon after I start
> using
> >>>>>>it in the morning.
> >
> >[snip]
> >
> >>>However, I have more information about the problem. I think I
> >>>misdiagnosed the problem...
> >>>it appears that the mouse/keyboard are not completely unresponsive...
> >>>they're are just
> >>>responding extremely slowly. I ssh'd into my work computer (the one
> that
> >>>is "hanging"
> >>>every day) from home last night. This morning before I came to work, I
> >>>tried to do a little
> >>>work from my ssh session. And it was messed up too! Things were
> running
> >>>very slowly.
> >
> >[snip]
> >
> >My fc5 system hasn't "hung" in 5 days, so I'm hoping that something
> >that I've tried has fixed it.
>
> Arg! It's still messed up. Same weird symptoms. Very slow to log in
> and run commands, but usually quite reponsive when things are running.
> For example, 90% of the time, a shell is responsive when I'm typing (the
> other 10% of the time it's completely unresponsive for ~5 seconds). But
> when I run a command like top, it takes ~30 seconds to run. Then when
> top is running, it's pretty responsive 90% of the time and shows low load
> averages. The only weird thing I notice in top is that I sometimes see
> -0 CPU usage on some processes. Here's an example top output
> when the system is screwed up:
>
> top - 17:53:52 up 8:32, 9 users, load average: 1.39, 0.53, 0.19
> Tasks: 149 total, 2 running, 144 sleeping, 2 stopped, 1 zombie
> Cpu(s): 0.0% us, 0.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0%
> si, 0.0% st
> Mem: 2067636k total, 1185580k used, 882056k free, 47392k buffers
> Swap: 6144820k total, 0k used, 6144820k free, 661912k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 1 root 16 0 1992 684 584 S -0.0 0.0 0:00.69 init
> 2 root 34 19 0 0 0 S -0.0 0.0 0:00.20 ksoftirqd/0
> 3 root RT 0 0 0 0 S -0.0 0.0 0:00.00 watchdog/0
> 4 root 10 -5 0 0 0 S -0.0 0.0 0:00.28 events/0
> 5 root 10 -5 0 0 0 S -0.0 0.0 0:00.00 khelper
> 6 root 10 -5 0 0 0 S -0.0 0.0 0:00.00 kthread
> 8 root 10 -5 0 0 0 S -0.0 0.0 0:00.01 kblockd/0
> 9 root 20 -5 0 0 0 S -0.0 0.0 0:00.00 kacpid
> 96 root 10 -5 0 0 0 S - 0.0 0.0 0:00.00 khubd
> 151 root 20 0 0 0 0 S -0.0 0.0 0:00.00 pdflush
> 152 root 15 0 0 0 0 S -0.0 0.0 0:00.01 pdflush
> 154 root 11 -5 0 0 0 S -0.0 0.0 0:00.00 aio/0
> 153 root 25 0 0 0 0 S -0.0 0.0 0:00.00 kswapd0
> 241 root 10 -5 0 0 0 S -0.0 0.0 0:00.00 kseriod
> 319 root 11 -5 0 0 0 S -0.0 0.0 0:00.00 kpsmoused
> 332 root 15 0 0 0 0 S -0.0 0.0 0:00.06 kjournald
> 371 root 10 -5 0 0 0 S -0.0 0.0 0:00.00 kauditd
> 395 root 12 -4 2208 692 376 S -0.0 0.0 0:00.09 udevd
> 1170 root 11 -5 0 0 0 S -0.0 0.0 0:00.00 scsi_eh_0
> 1171 root 10 -5 0 0 0 S -0.0 0.0 0:00.79 usb-storage
> 1288 root 11 -5 0 0 0 S -0.0 0.0 0:00.00 kmpathd/0
> 1295 root 11 -5 0 0 0 S -0.0 0.0 0:00.00 kmirrord
> 1317 root 23 0 0 0 0 S -0.0 0.0 0:00.00 kjournald
> 1600 root 13 -3 11988 620 468 S -0.0 0.0 0:00.02 auditd
> 1613 root 16 0 1652 552 460 S - 0.0 0.0 0:00.04 syslogd
> 1616 root 16 0 1604 396 328 S -0.0 0.0 0:00.00 klogd
> 1628 rpc 16 0 1732 600 504 S -0.0 0.0 0:00.01 portmap
> 1647 rpcuser 16 0 1784 760 656 S -0.0 0.0 0: 00.00 rpc.statd
> 1670 root 16 0 4728 680 336 S -0.0 0.0 0:00.02 rpc.idmapd
> 1684 dbus 16 0 3108 1284 1028 S -0.0 0.1 0:01.00 dbus-daemon
> 1717 root 20 0 24312 436 300 S -0.0 0.0 0: 00.00 ypbind
> 1779 root 16 0 1872 752 612 S -0.0 0.0 0:00.00 automount
> 1808 root 16 0 1884 828 676 S -0.0 0.0 0:00.00 automount
> 1832 root 16 0 1884 836 676 S -0.0 0.0 0:00.00 automount
> 1861 root 16 0 1880 816 676 S -0.0 0.0 0:00.00 automount
> 1876 root 16 0 1896 488 288 S -0.0 0.0 0:00.00 smartd
> 1885 root 15 0 5004 484 328 S -0.0 0.0 0:00.00 hpiod
> 1890 root 16 0 13056 5220 1172 S -0.0 0.3 0:00.06 python
> 1901 root 16 0 9180 2660 1944 S -0.0 0.1 0:00.05 cupsd
> 1909 root 16 0 4980 1112 788 S -0.0 0.1 0:00.00 sshd
> 1919 root 15 0 2232 816 676 S - 0.0 0.0 0:00.00 xinetd
> 1931 ntp 16 0 4272 4272 3272 S -0.0 0.2 0:00.05 ntpd
> 1949 root 16 0 8284 1908 932 S -0.0 0.1 0:00.01 sendmail
> 1956 smmsp 16 0 7344 1728 884 S -0.0 0.1 0: 00.00 sendmail
> 1966 root 16 0 1820 344 280 S -0.0 0.0 0:00.04 gpm
> 1976 root 16 0 5176 1112 572 S -0.0 0.1 0:00.17 crond
> 2011 xfs 16 0 6224 4204 904 S -0.0 0.2 0:00.51 xfs
> 2028 root 16 0 2164 452 324 S -0.0 0.0 0:00.00 atd
> 2091 root 24 0 3132 1160 1048 S -0.0 0.1 0:00.00cups-config-dae
> 2101 haldaemo 16 0 5024 3368 1760 S -0.0 0.2 0:01.74 hald
> 2102 root 16 0 3136 1024 900 S - 0.0 0.0 0:00.01 hald-runner
> 2108 haldaemo 16 0 2232 856 768 S -0.0 0.0 0:00.00hald-addon-acpi
> 2117 haldaemo 15 0 2232 868 776 S -0.0 0.0 0:00.59hald-addon-keyb
> 2121 root 16 0 2196 704 624 S - 0.0 0.0 0:00.52hald-addon-stor
> 2124 root 16 0 2196 704 624 S -0.0 0.0 0:00.32hald-addon-stor
> 2126 root 16 0 2196 704 624 S -0.0 0.0 0:00.53hald-addon-stor
> 2149 root 17 0 1588 408 348 S - 0.0 0.0 0:00.00 mingetty
> 2160 root 17 0 1584 404 348 S -0.0 0.0 0:00.00 mingetty
> 2163 root 17 0 1588 408 348 S -0.0 0.0 0:00.00 mingetty
> 2166 root 17 0 1588 404 348 S -0.0 0.0 0:00.00 mingetty
> 2169 root 17 0 1588 408 348 S -0.0 0.0 0:00.00 mingetty
> 2172 root 18 0 1588 408 348 S -0.0 0.0 0:00.00 mingetty
> 2183 root 18 0 4448 1232 1068 S -0.0 0.1 0: 00.00 prefdm
> 2188 root 16 0 12728 2488 2052 S -0.0 0.1 0:00.02 gdm-binary
> 2245 root 16 0 13388 2996 2272 S -0.0 0.1 0:00.02 gdm-binary
> 2248 root 16 0 174m 34m 11m S -0.0 1.7 7:53.54 Xorg
> 2322 root 10 -5 0 0 0 S -0.0 0.0 0:08.00 rpciod/0
> 2323 root 19 0 0 0 0 S -0.0 0.0 0:00.00 lockd
>
> Any clues in there? Any suggestions on how to debug a system that
> has low load averages, plenty of free memory, but yet is unusably slow?
>
> Thanks...
>
> David
>
I'm pretty new to Fedora, so forgive me if I'm way off, but I would check
your Xorg configuration file. While setting up the dual-video card display
on FC5 that worked a week ago in FC3, I found that my xorg.conf file
determined if the computer would freeze on me. Upon loading inittab,
though, the computer would also freeze the keyboard and the ability to shut
down by quickly pressing the power button on the tower. Fixing the problem
was only a matter of reconfiguring xorg.conf, which I accomplished by:
1. Boot the computer from the first install disk, and type "linux rescue" at
the prompt
2. Find your root drive in the /mnt folder, named...I forget..."sysvol"
maybe
3. Remove the "/etc/X11/xorg.conf" file
4. I got tired of the bootdisk, so I changed inittab's line 18 to
"id:3:initdefault:" instead of "id:5:initdefault:"
5. Reboot,
a. If you didn't change inittab, it will probably try to make a new
xorg.conf file - it did for me.
b. Otherwise, you can mess around in the bash or whatever and see if it
continues to freeze, and you can type "init 5" when you feel like testing
the GUI.
Two other things that froze my system - my CPU was overheating without
Powersaving mode, and my USB network device likes to lose connectivity and
make a few things cry. Hope my problems let you think of something.
Tim Garrett
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