diff options
Diffstat (limited to 'doc/manual/en_US/user_Troubleshooting.xml')
| -rw-r--r-- | doc/manual/en_US/user_Troubleshooting.xml | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/doc/manual/en_US/user_Troubleshooting.xml b/doc/manual/en_US/user_Troubleshooting.xml index 43a00665..8ea768d7 100644 --- a/doc/manual/en_US/user_Troubleshooting.xml +++ b/doc/manual/en_US/user_Troubleshooting.xml @@ -154,8 +154,8 @@ format and can be easily analyzed with Wireshark.</para> </sect2> - <sect2> - <title id="ts_debugger">The built-in VM debugger</title> + <sect2 id="ts_debugger"> + <title>The built-in VM debugger</title> <para>VirtualBox includes a built-in VM debugger, which advanced users may find useful. This debugger allows for examining and, to some extent, @@ -562,10 +562,11 @@ <para>For optimal virtualization performance, the C1E power state support in the system's BIOS should be disabled, if such a setting is - available (not all systems support the C1E power state). Disabling other - power management settings may also improve performance. However, a - balance between performance and power consumption must always be - considered.</para> + available (not all systems support the C1E power state). On Intel + systems the <computeroutput>Intel C State</computeroutput> setting + should be disabled. Disabling other power management settings + may also improve performance. However, a balance between performance + and power consumption must always be considered.</para> </sect2> <sect2 id="ts_gui-2d-grayed-out"> @@ -902,7 +903,7 @@ <para>Linux kernels shipped with Red Hat Enterprise Linux (RHEL) as of release 4.7 and 5.1 as well as kernels of related Linux distributions - (for instance CentOS and Oracle Enterprise Linux) support a kernel + (for instance CentOS and Oracle Linux) support a kernel parameter <emphasis>divider=N</emphasis>. Hence, such kernels support a lower timer frequency without recompilation. We suggest to add the kernel parameter <emphasis>divider=10</emphasis> to select a guest @@ -1280,7 +1281,7 @@ VirtualBox</screen> automatically. They are only accessible from the user account they are running under. <computeroutput>VBoxSVC</computeroutput> owns the VirtualBox configuration database which normally resides in - <computeroutput>~/.VirtualBox</computeroutput>. While it is running, the + <computeroutput>~/.config/VirtualBox</computeroutput>, or the appropriate configuration directory for your operating system. While it is running, the configuration files are locked. Communication between the various VirtualBox components and <computeroutput>VBoxSVC</computeroutput> is performed through a local domain socket residing in @@ -1384,7 +1385,7 @@ none /proc/bus/usb usbfs devgid=85,devmode=664 0 0</screen>Re <sect2> <title>Cannot start VM, not enough contiguous memory</title> - <para>The ZFS file system is known to use all available RAM as cache if + <para>The ZFS file system is known to use nearly all available RAM as cache if the default system settings are not changed. This may lead to a heavy fragmentation of the host memory preventing VirtualBox VMs from being started. We recommend to limit the ZFS cache by adding a line<screen>set zfs:zfs_arc_max = xxxx</screen> |