From edc4b89cd4109375d4ba83271df8a4563f43c50b Mon Sep 17 00:00:00 2001 From: "Daniel P. Berrange" Date: Thu, 10 Dec 2015 13:40:04 +0000 Subject: [PATCH] README: add note about not using the serial port in the guest The Jailhouse qemu-vm.celll config will prevent the root cell accessing the serial port, so add a note about not using this for the guest OS console. Signed-off-by: Daniel P. Berrange Signed-off-by: Jan Kiszka --- README.md | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index b34c3d5..233356e 100644 --- a/README.md +++ b/README.md @@ -195,8 +195,12 @@ need to add memmap=66M$0x3b000000 -as parameter to the command line of the virtual machine's kernel. Reboot the -guest and load jailhouse.ko. Then enable Jailhouse like this: +as parameter to the command line of the virtual machine's kernel. The Jailhouse +QEMU cell config will block use of the serial port by the guest OS, so make +sure that the guest kernel command line does NOT have its console set to log +to the serial port (ie remove any 'console=ttyS0' arguments from the grub +config). Reboot the guest and load jailhouse.ko. Then enable Jailhouse like +this: jailhouse enable /path/to/qemu-vm.cell -- 2.39.2