[OM2008/testing] "HZ" is wrong?
Vasco Névoa
vasco.nevoa at sapo.pt
Sat Dec 20 09:36:26 CET 2008
Hi.
I've started unzipping the "Hackable:1" tarball inside the GTA02 about
20 hours ago, and it is still going on.
It's sitting on an ext2 uSD partition and extracting into another.
The funny thing is, when I pull up "top", it mostly shows an idle
system (see below). The CPU is mostly idle, and in fact I can do
everything else at the same time very easily.
So the big question is: what the heck is locking up the tar process?
One thing that makes me suspicious of the kernel is the warning
printed by "top": "Unknown HZ value! (6) Assume 100." (and yesterday
it reported (5) instead of (6)...)
How can I debug this further?
root at om-gta02:~# uname -a
Linux om-gta02 2.6.24 #1 PREEMPT Wed Dec 10 09:19:15 CST 2008 armv4tl unknown
root at om-gta02:~# top
Unknown HZ value! (6) Assume 100.
top - 08:24:55 up 19:57, 3 users, load average: 2.66, 2.53, 2.54
Tasks: 71 total, 2 running, 69 sleeping, 0 stopped, 0 zombie
Cpu(s): 5.4%us, 27.7%sy, 0.0%ni, 0.0%id, 66.1%wa, 0.9%hi, 0.0%si, 0.0%st
Mem: 126260k total, 124132k used, 2128k free, 792k buffers
Swap: 0k total, 0k used, 0k free, 54952k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5 root 15 -5 0 0 0 R 21.3 0.0 22:38.62 events/0
25150 root 20 0 2252 1112 892 R 8.0 0.9 0:00.82 top
259 root 15 -5 0 0 0 D 1.8 0.0 1:23.08 SDIO Helper
276 root 15 -5 0 0 0 D 1.8 0.0 6:45.12 mmcqd
1206 root 19 -1 18260 10m 1936 S 0.9 8.8 21:25.39 Xglamo
25141 root 20 0 2264 1048 724 S 0.9 0.8 0:00.71 dropbear
1 root 20 0 1524 564 500 S 0.0 0.4 0:05.41 init
2 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0
4 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
6 root 15 -5 0 0 0 S 0.0 0.0 0:00.06 khelper
70 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/0
76 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ksuspend_usbd
82 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
85 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kseriod
91 root 15 -5 0 0 0 S 0.0 0.0 0:00.01 kmmcd
123 root 20 0 0 0 0 S 0.0 0.0 0:00.00 pdflush
124 root 20 0 0 0 0 S 0.0 0.0 0:00.26 pdflush
125 root 15 -5 0 0 0 S 0.0 0.0 0:02.18 kswapd0
126 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
142 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kapmd
174 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 glamo-spi-gpio.
184 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 mtdblockd
255 root 15 -5 0 0 0 S 0.0 0.0 0:00.21 SDIO Helper
270 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 rpciod/0
275 root 30 10 0 0 0 S 0.0 0.0 0:25.48 jffs2_gcd_mtd6
345 root 16 -4 1860 612 388 S 0.0 0.5 0:01.16 udevd
1092 root 10 -10 0 0 0 S 0.0 0.0 0:00.00 krfcommd
Thanks,
Vasco.
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