Ticket #11797 (closed defect: duplicate)
EXT4-fs Unaligned AIO/DIO on inode 266177 by AioMgr0-N; performance will be poor
| Reported by: | nix | Owned by: | |
|---|---|---|---|
| Component: | virtual disk | Version: | VirtualBox 4.2.12 |
| Keywords: | Unaligned AIO/DIO | Cc: | |
| Guest type: | Linux | Host type: | Linux |
Description
When a Windows or Linux Guest is started, the dmesg show :
EXT4-fs (sda5): Unaligned AIO/DIO on inode 266177 by AioMgr0-N; performance will be poor.
Using 32 bit guest bug appears, i'm not test with 64 because host system is 32 bit only.
Tested with kernels: 3.4.44, 3.2.44 and 2.6.32-358.6.1.el6 (centos stock)
Vbox version: 4.2.12 r84980
Linux Distro Host: CentOS 6.4 stock and custom kernel, disabled and enabled SELinux.
NOTE: If the Cache of Host E/S is disabled, the bug not appear
Change History
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Closing as duplicate of #9466