ChangeLog/2.5: Difference between revisions
(Created page with '== System emulation == === Incompatible changes === === Future incompatible changes === === Alpha === === ARM === ==== KVM ==== === MIPS === === PowerPC === === s390 === …') |
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=== Incompatible changes === | === Incompatible changes === | ||
* The ARM 'virt' board now has a second PCI MMIO region of 512G size. It is useful for large devices like ivshmem and video cards. However, old Linux kernel builds with LPAE disabled are incapable to handle such controller. In this case, older guests will stop working. In order to keep those guests running, it is possible to disable this region by adding "highmem=off" machine option. | |||
=== Future incompatible changes === | === Future incompatible changes === | ||
Revision as of 14:58, 4 September 2015
System emulation
Incompatible changes
- The ARM 'virt' board now has a second PCI MMIO region of 512G size. It is useful for large devices like ivshmem and video cards. However, old Linux kernel builds with LPAE disabled are incapable to handle such controller. In this case, older guests will stop working. In order to keep those guests running, it is possible to disable this region by adding "highmem=off" machine option.