Try running make vexpress_defconfig (you will need to enable the right SMC network adapter to boot), but that should at last give you prints early in the boot with earlyprintk. Also, after you clone the device tree file, you need to create dtb files, use this command in the kernel directory: ./scripts/dtc/dtc -O dtb -o /some/path/to/dtb /some/path/to/source/from/git/repo -Christoffer On Thu, Sep 6, 2012 at 11:42 PM, shi roger <rogershijicheng@xxxxxxxxx> wrote: > After adding earlyprintk, there's no any console output. Should I do some > specific config when I make menuconfig? My configure file is downloaded from > http://www.virtualopensystems.com/media/kvm-resources/host-config as the > guide told me. The same, I'm not sure whether I should modify device tree > file after clone it from git repository. > > -- > Best Regards, > Jicheng Shi > > > > > On 2012-9-7, at 上午12:00, Christoffer Dall <c.dall@xxxxxxxxxxxxxxxxxxxxxx> > wrote: > > try adding earlyprintk to the kernel command line and see if you get > any console output. > > if not, I would double-check the device tree file and the kernel config. > > -Christoffer > > On Thu, Sep 6, 2012 at 10:23 AM, shi roger <rogershijicheng@xxxxxxxxx> > wrote: > > Hi, everyone. > I tried to install the latest kvm on arm on arm simulator. After following > the Development guide from http://systems.cs.columbia.edu/projects/kvm-arm/, > I stuck in the step named "Testing the host system". > When I started the simulator and telneted to localhost:5000, there's no > output from the serial port. > > My Host: Debian6.0 x86_64 > The simulator's output is listed bellow: > --------------------------- > model_shell > ~/ARM/FastModelsPortfolio_7.1/examples/RTSM_VE/Build_Cortex-A15x1/Linux-Debug-GCC-4.4/cadi_system_Linux-Debug-GCC-4.4.so > -f ./params boot-wrapper/linux-system-semi.axf > terminal_0: Listening for serial connection on port 5000 > terminal_1: Listening for serial connection on port 5001 > terminal_2: Listening for serial connection on port 5002 > terminal_3: Listening for serial connection on port 5003 > INFO: mmc: no image file connected > Simulation is started > [bootwrapper] Loaded kernel: uImage > [bootwrapper] WARNING: Ignoring uImage meta-data > [bootwrapper] Loaded FDT: rtsm_ve-cortex_a15x1.dtb > [bootwrapper] Kernel bootargs: console=ttyAMA0 mem=512M root=/dev/nfs > nfsroot=10.131.250.61:/srv/ rw > ip=10.131.250.62::10.131.250.1:255.255.254.0:arm-kvm::off > ----------------------------- > > BTW, the linux kernel is cloned from columbia repository, not virtual open > system. It would be nice if you have some idea to fix this problem. I'm glad > to receive your response. Thanks. > > -- > Best Regards, > Jicheng Shi > > > > > > _______________________________________________ > kvmarm mailing list > kvmarm@xxxxxxxxxxxxxxxxxxxxx > https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm > > _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
