[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/268588
Title:
Disk I/O is very slow, system freezes for seconds
Status in “linux” package in Ubuntu:
Expired
Bug description:
For a while (even with previous ubuntu versions as well), speed of
disk I/O is unacceptable. I thought it is a problem with my machine,
but I have a quite different machine with the same problem now, and
also it was quite OK a year (or years?) ago. Even installing a single
deb package with dpkg lasts for minutes, other processes trying to
access of disk are totally "dead", a single ls command in a terminal
can wait for a minute sometimes. Also, sometimes the mouse cursor
can't be moved for long seconds. There is nothing suspect in kernel
log which can help. During disk I/O top reports wait state for almost
all CPU time. Can it be caused by the pata->libata change for example,
NCQ or something like this? I have no idea how to improve the
situation. I can provide information of course if I know what I should
send. Currently these are machines running up-to-date Ubuntu hardy (32
bit). I can say system is totally unusable even with smaller disk I/O
load ... Thanks in advance!
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