Mention that apart from enabling the emulation of a serial port in KVM "console=ttyS0,<serial_speed>" is appended to the end of kernel_args.
Signed-off-by: Lisa Velden <[email protected]> --- man/gnt-instance.rst | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/man/gnt-instance.rst b/man/gnt-instance.rst index e61c31c..4904bf6 100644 --- a/man/gnt-instance.rst +++ b/man/gnt-instance.rst @@ -528,7 +528,7 @@ kernel\_args Valid for the Xen PVM and KVM hypervisors. This options specifies extra arguments to the kernel that will be - loaded. device. This is always used for Xen PVM, while for KVM it + loaded. This is always used for Xen PVM, while for KVM it is only used if the ``kernel_path`` option is also specified. The default setting for this value is simply ``"ro"``, which @@ -536,6 +536,9 @@ kernel\_args setting this to single will cause the instance to start in single-user mode. + Note that the hypervisor setting ``serial_console`` appends + ``"console=ttyS0,<serial_speed>"`` to the end of ``kernel_args`` in KVM. + initrd\_path Valid for the Xen PVM and KVM hypervisors. @@ -567,6 +570,10 @@ serial\_console instance's startup. For such case it's recommended to disable this option, which is enabled by default. + Enabling serial console emulation also appends + ``"console=ttyS0,<serial_speed>"`` to the end of ``kernel_args`` in KVM and + may infere with previous settings. + serial\_speed Valid for the KVM hypervisor. -- 2.4.3.573.g4eafbef
