Public bug reported:
In the last two days I had two Xorg locks: my monitor turns off, it
apparantly gets no signal anymore. CTRl-ALT-BackSpace and CTRL-ALT-F1
does not result in anything: the screens stays turned off (and thus
black)
I have never had any lock-ups before the two in the last two days.
The system is still remotely accessible: the webserver is still OK, and
I can login using ssh (from another machine). It turns out Xorg is at
100% CPU load (see top below). I thought a "sudo kill -9 <pid of Xorg>"
would solve the problem, but that killed the remote SSH and HTTP access.
I then had to cold-boot the system using the power switch.
Hardware: AMD64 Athlon X2, 4GB RAM, Ubuntu 8.04 Hardy Heron 64-bit,
fully updated. Video is onboard ATI X1250 / X1200, using the
prop.driver.
/etc/X11/xorg.conf included.
[EMAIL PROTECTED]:~$ top
top - 16:19:29 up 1 day, 8:07, 2 users, load average: 1.00, 0.97, 0.71
Tasks: 154 total, 2 running, 150 sleeping, 0 stopped, 2 zombie
Cpu(s): 4.6%us, 46.8%sy, 0.0%ni, 48.4%id, 0.0%wa, 0.2%hi, 0.0%si, 0.0%st
Mem: 3926788k total, 3016584k used, 910204k free, 205692k buffers
Swap: 3903784k total, 43036k used, 3860748k free, 1855320k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
17763 root 20 0 360m 119m 31m R 100 3.1 40:06.39 Xorg
24121 sander 20 0 89724 17m 9648 S 3 0.5 0:57.19 npviewer.bin
17465 snmp 20 0 49444 5112 2336 S 1 0.1 0:13.30 snmpd
30700 sander 20 0 210m 6968 4008 S 1 0.2 1:14.55 pulseaudio
1 root 20 0 4016 876 592 S 0 0.0 0:01.24 [EMAIL
PROTECTED]:~$ ps -ef | grep 17763
root 17763 17759 2 Apr17 tty7 00:41:51 /usr/bin/X :0 -br -audit 0
-auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
root 17908 17763 0 Apr17 tty7 00:00:00 /usr/bin/X :0 -br -audit 0
-auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
sander 25004 24325 0 16:21 pts/3 00:00:00 grep 17763
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$ kill -9 17763
-bash: kill: (17763) - Operation not permitted
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$ sudo kill -9 17763
[sudo] password for sander:
[EMAIL PROTECTED]:~$
2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0 0.0 0:00.14 migration/0
4 root 15 -5 0 0 0 S 0 0.0 0:00.16 ksoftirqd/0
5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0
6 root RT -5 0 0 0 S 0 0.0 0:00.14 migration/1
7 root 15 -5 0 0 0 S 0 0.0 0:00.26 ksoftirqd/1
8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1
9 root 15 -5 0 0 0 S 0 0.0 0:00.70 events/0
10 root 15 -5 0 0 0 S 0 0.0 0:00.42 events/1
11 root 15 -5 0 0 0 S 0 0.0 0:00.00 khelper
45 root 15 -5 0 0 0 S 0 0.0 0:00.04 kblockd/0
46 root 15 -5 0 0 0 S 0 0.0 0:00.50 kblockd/1
49 root 15 -5 0 0 0 S 0 0.0 0:00.00 kacpid
50 root 15 -5 0 0 0 S 0 0.0 0:00.00 kacpi_notify
132 root 15 -5 0 0 0 S 0 0.0 0:00.00 kseriod
182 root 20 0 0 0 0 S 0 0.0 0:10.76 pdflush
184 root 15 -5 0 0 0 S 0 0.0 0:09.72 kswapd0
228 root 15 -5 0 0 0 S 0 0.0 0:00.00 aio/0
229 root 15 -5 0 0 0 S 0 0.0 0:00.00 aio/1
1509 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksuspend_usbd
1512 root 15 -5 0 0 0 S 0 0.0 0:00.40 khubd
1515 root 15 -5 0 0 0 S 0 0.0 0:00.74 ata/0
1516 root 15 -5 0 0 0 S 0 0.0 0:07.92 ata/1
1517 root 15 -5 0 0 0 S 0 0.0 0:00.00 ata_aux
1557 root 15 -5 0 0 0 S 0 0.0 0:00.00 khpsbpkt
2337 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_0
2339 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_1
2341 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_2
2343 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_3
2455 root 15 -5 0 0 0 S 0 0.0 0:01.58 scsi_eh_4
2456 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_5
2463 root 15 -5 0 0 0 S 0 0.0 0:00.00 knodemgrd_0
2562 root 15 -5 0 0 0 S 0 0.0 0:17.44 kjournald
2766 root 16 -4 17412 1256 464 S 0 0.0 0:00.80 udevd
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$ ps -ef | grep 17763
root 17763 17759 2 Apr17 tty7 00:41:51 /usr/bin/X :0 -br -audit 0
-auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
root 17908 17763 0 Apr17 tty7 00:00:00 /usr/bin/X :0 -br -audit 0
-auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
sander 25004 24325 0 16:21 pts/3 00:00:00 grep 17763
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$ kill -9 17763
-bash: kill: (17763) - Operation not permitted
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$ sudo kill -9 17763
[sudo] password for sander:
[EMAIL PROTECTED]:~$
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
--
Hardy Heron: screen turns off, Xorg 100%
https://bugs.launchpad.net/bugs/219285
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