[问题]本本新安装的ubuntu8.04。打开firefox上网后硬盘时不时狂响，根本就不知道是怎么回事

[simonhuan]

top命令输出：
Tasks: 103 total, 2 running, 100 sleeping, 0 stopped, 1 zombie
Cpu(s): 4.3%us, 4.0%sy, 0.0%ni, 0.0%id, 91.7%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 499320k total, 493068k used, 6252k free, 680k buffers
Swap: 390616k total, 38016k used, 352600k free, 221536k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5096 root 20 0 202m 20m 7524 S 0.7 4.2 3:47.16 Xorg
5595 simonhua 20 0 131m 31m 14m R 0.7 6.6 0:08.04 gnome-terminal
6871 simonhua 20 0 209m 90m 27m S 0.7 18.5 0:31.55 firefox
1 root 20 0 2844 1692 544 S 0.0 0.3 0:01.40 init
2 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/0
4 root 15 -5 0 0 0 S 0.0 0.0 0:00.02 ksoftirqd/0
5 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 0:00.04 events/0
7 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
41 root 15 -5 0 0 0 S 0.0 0.0 0:00.38 kblockd/0
44 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid
45 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kacpi_notify
120 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kseriod
153 root 15 -5 0 0 0 S 0.0 0.0 0:02.08 kswapd0
194 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
1472 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ksuspend_usbd
1476 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
1510 root 15 -5 0 0 0 S 0.0 0.0 0:00.26 ata/0
1515 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ata_aux
1803 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
1805 root 15 -5 0 0 0 S 0.0 0.0 0:00.46 scsi_eh_1
2487 root 0 -20 0 0 0 S 0.0 0.0 0:05.04 loop0
2497 root 15 -5 0 0 0 S 0.0 0.0 0:00.10 kjournald
2674 root 16 -4 2404 952 380 S 0.0 0.2 0:00.42 udevd
2946 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kpsmoused
3112 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 pccardd
3958 root 15 -5 0 0 0 S 0.0 0.0 0:01.32 ntos_wq
3959 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ndis_wq
3960 root 15 -5 0 0 0 S 0.0 0.0 0:00.32 wrapndis_wq

这次我是用webi装的。以前一直用fedora，单独分区的。没有出现过这种情况。也看不到别的进程引起硬盘读写的迹象。

内核是2.6.24-18-generic

[Kadaz]

top命令输出：
Tasks: 103 total, 2 running, 100 sleeping, 0 stopped, 1 zombie
Cpu(s): 4.3%us, 4.0%sy, 0.0%ni, 0.0%id, 91.7%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 499320k total, 493068k used, 6252k free, 680k buffers
Swap: 390616k total, 38016k used, 352600k free, 221536k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5096 root 20 0 202m 20m 7524 S 0.7 4.2 3:47.16 Xorg
5595 simonhua 20 0 131m 31m 14m R 0.7 6.6 0:08.04 gnome-terminal
6871 simonhua 20 0 209m 90m 27m S 0.7 18.5 0:31.55 firefox
1 root 20 0 2844 1692 544 S 0.0 0.3 0:01.40 init
2 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/0
4 root 15 -5 0 0 0 S 0.0 0.0 0:00.02 ksoftirqd/0
5 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 0:00.04 events/0
7 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
41 root 15 -5 0 0 0 S 0.0 0.0 0:00.38 kblockd/0
44 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid
45 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kacpi_notify
120 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kseriod
153 root 15 -5 0 0 0 S 0.0 0.0 0:02.08 kswapd0
194 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
1472 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ksuspend_usbd
1476 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
1510 root 15 -5 0 0 0 S 0.0 0.0 0:00.26 ata/0
1515 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ata_aux
1803 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
1805 root 15 -5 0 0 0 S 0.0 0.0 0:00.46 scsi_eh_1
2487 root 0 -20 0 0 0 S 0.0 0.0 0:05.04 loop0
2497 root 15 -5 0 0 0 S 0.0 0.0 0:00.10 kjournald
2674 root 16 -4 2404 952 380 S 0.0 0.2 0:00.42 udevd
2946 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kpsmoused
3112 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 pccardd
3958 root 15 -5 0 0 0 S 0.0 0.0 0:01.32 ntos_wq
3959 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ndis_wq
3960 root 15 -5 0 0 0 S 0.0 0.0 0:00.32 wrapndis_wq

这次我是用webi装的。以前一直用fedora，单独分区的。没有出现过这种情况。也看不到别的进程引起硬盘读写的迹象。

内核是2.6.24-18-generic

内存不足，所以当系统使用SWAP(virtual memory虚拟内存)的时候就会占用硬盘导致变慢了。

[mr..vw]

的确是内存不足！
我的计算机内存是2G，打字上网什么的，硬盘基本上不响。除非自己保存文件到硬盘。

top - 15:12:30 up 2:15, 2 users, load average: 0.61, 0.57, 0.54
Tasks: 127 total, 1 running, 125 sleeping, 0 stopped, 1 zombie
Cpu(s): 4.6%us, 5.1%sy, 0.0%ni, 90.1%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1945652k total, 1194096k used, 751556k free, 36192k buffers
Swap: 3028244k total, 0k used, 3028244k free, 701652k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5203 root 20 0 276m 111m 27m S 11 5.8 18:32.94 Xorg
...............

[icSarge]

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