I'm noticing the same behavior on Feisty
"uname -a":
Linux halorentz 2.6.20-16-server #2 SMP Sun Sep 23 19:57:25 UTC 2007 i686
GNU/Linux
"strace ps a" ends with:
stat64("/proc/22177", {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
open("/proc/22177/stat", O_RDONLY) = 6
read(6, "22177 (nbdswapd) S 5092 22177 22"..., 1023) = 198
close(6) = 0
open("/proc/22177/status", O_RDONLY) = 6
read(6, "Name:\tnbdswapd\nState:\tS (sleepin"..., 1023) = 631
close(6) = 0
open("/proc/22177/cmdline", O_RDONLY) = 6
read(6, "/bin/sh\0/usr/sbin/nbdswapd\0", 2047) = 27
close(6) = 0
stat64("/proc/22189", {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
open("/proc/22189/stat", O_RDONLY) = 6
read(6, "22189 (Thunar) D 1 22128 22128 0"..., 1023) = 204
close(6) = 0
open("/proc/22189/status", O_RDONLY) = 6
read(6, "Name:\tThunar\nState:\tD (disk slee"..., 1023) = 640
close(6) = 0
open("/proc/22189/cmdline", O_RDONLY) = 6
read(6,
whereupon it hangs. Other processes continue fine, I can login again
after killing the terminal. I can run top, but if I hit "c" to show the
full command lines then it hangs as well. There's nothing in dmesg or
/var/log/syslog.
The output of "strace cat /proc/22189/cmdline" is attached, note that it
hangs at the end also.
The machine is running as an ltsp server. /home is mounted over nfs.
What other information can I provide?
** Attachment added: "strace_cat_proc_cmdline.txt"
http://launchpadlibrarian.net/9946486/strace_cat_proc_cmdline.txt
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ps auxw hangs.
https://bugs.launchpad.net/bugs/13531
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