(In reply to Vesselin Kostadinov from comment #547) > This seems to be a hardware related issue, at least in some cases. > Can the other people experiencing it confirm whether they have a WD Greed > hard disk? > Google search for "wd15eads firmware" reveals quite a few people having > similar problems. > I have one of these hard disks and I was using it on a fanless VIA Samuel 2 > (pre-686) CPU and I was seeing the high IOWait problem and associated poor > performance. When I put the same hard disk in a dual AMD opteron it had the > same problem. > Then I did a full backup and restore on a different hard disk. It is the > same debian system on the same VIA cpu but now the high IOWait times are > gone and the performance is adequate for the CPU. > I should point out that the kernel should not suffer poor overall > performance during disk I/O even on flakey hardware, especially with swap > disabled. > The offending hard disk is now blanked. I can run a few tests with it if > somebody is interested. http://pestclue.com/
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/620074 Title: Thrashing turns system unusable To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/620074/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
