[Bug 410096]

[Kristopher Ives]

I am using 3.6 now and can't re-test. Sorry.

On Tue, Feb 1, 2011 at 10:35 PM, Tyler Downer
<tyler.downer at gmail.com>wrote:

> Reporter, are you still seeing this issue with Firefox 3.6.13 or later in
> safe mode or a fresh profile? If not, please close. These links can help you
> in your testing.
> http://support.mozilla.com/kb/Safe+Mode
> http://support.mozilla.com/kb/Managing+profiles
>
> --
> You received this bug notification because you are a direct subscriber
> of the bug.
> https://bugs.launchpad.net/bugs/410096
>
> Title:
>  Swap causes 100% IOWait and renders system useless
>
> Status in The Mozilla Firefox Browser:
>  New
> Status in “firefox-3.0” package in Ubuntu:
>  Triaged
> Status in “firefox-3.5” package in Ubuntu:
>  Triaged
>
> Bug description:
>  Every once in a while my system becomes completely absorbed by IOWait,
>  which I believe is when swapping occurs. I have 2GB RAM and it rarely
>  uses more than 1GB of RAM. I have tried changing vm.swappiness to 0
>  without any success as well.
>
>  I would love to provide a `pidstat -d` output or similar, but
>  seriously the system becomes completely unresponsive for long periods
>  of time. It displays mouse animations and continues to play musing in
>  Pandora or Rhythmbox (although it may stutter) and when I regain
>  control of the system there are no processes with unreasonable
>  statistics. I don't believe it's related to update-apt-xapian-index,
>  which I think everyone hates and is poorly designed. I have tried JFS
>  and XFS, and this hasn't made a difference.
>
>  Anoyne care to actually find out what is causing this? IOWait related
>  issues are a huge problem and nobody seems to care. Any debugging tips
>  would be much appreciated, but remember that I cannot execute anything
>  when this is happeneing.
>
>  I suspect that the kernel page flushing (kpdflush?) may be the cause.
>  Anyone think it would help to put swap as a file on the partition for
>  better IO scheduling?
>
>  Thanks!
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/firefox/+bug/410096/+subscribe
>

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https://bugs.launchpad.net/bugs/410096

Title:
  Swap causes 100% IOWait and renders system useless