On 18.01.19 08:40, Stefan KLEMKE wrote:
Hello Folks,
I am trying to run Jailhouse on a NUC7i5DNK2E and managed to get a root cell and
the tiny-demo inmate "running". Since I dont have serial output ports, I want to
use the virtual jailhouse console to capture debugging informations from the
non-root cell. My understanding is, that my configs need the following flags
set:
RootCell: .flag = JAILHOUSE_SYS_VIRTUAL_DEBUG_CONSOLE
Non-root cells: .flag JAILHOUSE_CELL_VIRTUAL_CONSOLE_ACTIVE (Docu says, it
implies JAILHOUSE_CELL_VIRTUAL_CONSOLE_PERMITTED)
Docu is really misleading here. It should state "requires", because that is what
is in the code.
.. but I cannot see the printk string from the tiny demo on my cat
/dev/jailhouse console output.
I tried the PERMITTED flag for the non-root cell as well, since it is the
default in the example files, but still no output to be seen.
Did you de-configure the physical uart console in the inmate config
(.console.type = JAILHOUSE_CON_TYPE_NONE)? Otherwise, the code may try to access
that resource and stall as it does not react.
Jan
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