Closing this bug with Won't fix as this kernel / release is no longer supported.
Please feel free to open a new bug report if you're still experiencing this on
a newer release (Bionic 18.04.3 / Disco 19.04)
Thanks!
** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/479440
Title:
unfortunate configuration makes virtualbox perform poorly
Status in linux package in Ubuntu:
Won't Fix
Bug description:
Hi,
I've noticed major performance regression working with virtualbox over ubuntu
9.10.
I've tested mainline kernel builds as well as proposed (even 2.6.31-15), but
the regression was still here.
After some debug, I've found the problem in some changes made to the kernel
configuration between jaunty and karmic.
In particular, recompiling the kernel with PREEMPT=Y (preemptible kernel) and
CONFIG_HZ_250=y solves the problem.
I hope it helps,
--
Nicholas
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