Hi Ivan,
I added “console=tty1” to l4linux and now I can see on my monitor the kernel
log message from l4linux. So the problem is not with VESA display.
However, l4linux failed to boot up successfully. It didn’t login and I didn’t
see command line prompt.
On QEMU, after l4linux outputs “Mount everything” and “Setup networking”, it
will directly login (root login on ‘tty1’). On real machine, after printing
“Mount everything” and “Setup networking”, it simply stops. And a couple of
minutes later it shows other INFO msg such as
INFO: rcu_sched detected stalls on CPUs/tasks: {1} (detected by 0, t=6002
jiffies)
INFO: Stall ended before state dump start
Do you have any idea on this issue? I think I’m very close to get it work on
real machine now. Thank you very much.
PS: I disabled network (nic_drive) in both QEMU and real machine. And the
following messages are shown in both cases as the last kernel msg printed out.
ifconfig: SIOCGIFFLAGS: No such device
cat: can’t open ‘/etc/issue’: No such file or directory
touch: /var/log/autologin: No such file or directory
Best,
Jilong
From: Ivan Loskutov [mailto:[email protected]]
Sent: Friday, December 14, 2012 10:37 PM
To: Genode OS Framework Mailing List
Subject: Re: l4linux booting failure on Genode
Have you tried to connect a monitor, ps/2 mouse and keyboard? You need to add
"console=tty1" to l4linux command line. But genode's VESA driver don't work on
all hardware. I have tried to run Genode on real hardware and saw display not
working on my PC. Monitor has changed resolution and has showed nothing.
--
Ivan Loskutov
2012/12/15 Jilong Kuang <[email protected]>
Hi Ivan,
Thank you for your reply.
Yes, I managed to boot up l4linux in QEMU. However, on real machine, I have no
clue why the prompt doesn’t show up (I used the same binary and config file as
in QEMU). Since I don’t have double COM-ports right now (all our machines come
with only one COM port), I can’t see what’s happening on the l4linux side. As
you said, the Genode side log seems right.
Is there anything you could suggest other than putting two COM-ports to find
out what went wrong?
Best,
Jilong
From: Ivan Loskutov [mailto:[email protected]]
Sent: Thursday, December 13, 2012 8:49 PM
To: Genode OS Framework Mailing List
Subject: Re: l4linux booting failure on Genode
Hello Jilong,
This log seems good. These messages aren't critical error, they are warning.
In l4linux script qemu must redirect first UART to file, this file contains
genode debug log (this log), second UART redirected to console, it's l4linux
console. If you use real hardware you need connect two COM-ports to your
target, COM0 for genode log and COM1 for l4linux.
--
Ivan Loskutov
2012/12/14 Jilong Kuang <[email protected]>
Hi,
I was trying to run l4linux on Genode following the online tutorials. Compiling
was fine. I didnt change any configuration file or script. Everything was in
default setting.
I failed to boot up the l4linux using either emulators (QEMU, Virtualbox) or a
real machine. It just hangs during the boot process and I observed multiple
error messages (quota exceeded, illegal announcement of service " Uart", Cannot
determine physical address for dataspace Binary! etc).
I attached the log file of a typical run on a real machine (Intel Core i7) for
your reference. I hope someone could spot some problems in it.
Thank you very much!
Best regards,
Jilong
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