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2285 discussions

imx53 trustzone boot problem
by Ofer Hasson 12 Mar '15

12 Mar '15

Hello, I'm trying to boot genode on the secure world and linux on normal world of the iMX53-QSB board (freescale). The problem I'm encountering is: [init -> tz_vmm] Start virtual machine ... and then various errors, either it hangs, or undefined instruction, or Pagefault in core thread (pager_activation): ip=70055228 fault=20ef8904 failed to communicate thread event My steps leading to this: Downloaded http://genode.org/files/images/imx53_qsb/initrd.gz and cloned https://github.com/skalk/linux.git git checkout imx53-tz Kernel compile: using http://www.codesourcery.com/sgpp/lite/arm/portal/package4573/public/arm-non… make CROSS_COMPILE=/opt/codesourcery/bin/arm-none-linux-gnueabi- ARCH=arm imx5_android_tz_defconfig make CROSS_COMPILE=/opt/codesourcery/bin/arm-none-linux-gnueabi- ARCH=arm uImage copied the initrd and uImage into the micro sd card, changed the name of uImage into linux I cloned https://github.com/genodelabs/genode.git working on the master branch, current commit hash: 54ef87c Created build directory: tool/create_builddir hw_imx53_qsb_tz BUILD_DIR=hw_imx53_qsb_tz I added "SPECS += trustzone" to etc/specs.conf in the build directory Compiled: make run/tz_vmm Created u-boot image: /opt/gcc-linaro-arm-none-eabi-4.9-2014.09_linux/bin/arm-none-eabi-objcopy -O binary var/run/tz_vmm/image.elf var/run/tz_vmm/image.bin mkimage -A arm -O linux -T kernel -C none -a 0x70010000 -e 0x70010000 -d var/run/tz_vmm/image.bin var/run/tz_vmm/uImage Next, i copy the image to the micro sd card. On the u-boot shell: ext2load mmc 0:1 0x71000000 uImage bootm 0x71000000 OUTPUT: ## Booting kernel from Legacy Image at 71000000 ... Image Name: Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 9355264 Bytes = 8.9 MiB Load Address: 70010000 Entry Point: 70010000 Verifying Checksum ... OK Loading Kernel Image ... OK Starting kernel ... kernel initialized Genode 15.02 <local changes> int main(): --- create local services --- int main(): --- start init --- In Rom_connection(): /home/hassonof/arm-tz/devel/boards/iMX53/genode-original/repos/base/include/rom_session/con7 filename = init, label = <NULL> int main(): transferred 246 MB to init int main(): --- init created, waiting for exit condition --- [init] Could not open file "ld.lib.so" [init] In Rom_connection(): /home/hassonof/arm-tz/devel/boards/iMX53/genode-original/repos/base/include/rom_sess7 [init] filename = config, label = <NULL> [init] parent provides [init] service "ROM" [init] service "RAM" [init] service "IRQ" [init] service "IO_MEM" [init] service "CAP" [init] service "PD" [init] service "RM" [init] service "CPU" [init] service "LOG" [init] service "SIGNAL" [init] service "VM" [init] In Rom_connection(): /home/hassonof/arm-tz/devel/boards/iMX53/genode-original/repos/base/include/rom_sess7 [init] filename = tz_vmm, label = tz_vmm [init] child "tz_vmm" [init] RAM quota: 3932160 [init] ELF binary: tz_vmm [init] priority: 0 [init -> tz_vmm] Start virtual machine ... and then errors described at the beginning. I was looking in the code and dumping some output to find the problem, at repos/os/src/server/tz_vmm/include/vm_base.h: _load_kernel() function, at lines #52-53 the memcpy crashes. the arguments being passed to him are: destination: 80008000 source: f0001000, size: 3203072 what am i doing wrong ? Thanks Ofer

2 2

base-hw: Cpu_lazy_state and alignment constraints
by Adrian-Ken Rueegsegger 10 Mar '15

10 Mar '15

Hello, While implementing lazy FPU loading/storing for the x86 base-hw port I came across an issue with regards to data structure alignment. The implementation is similar to the one of base-hw cortex A9 and uses the Cpu_lazy_state class to store the FPU state, see [1]. To use the fx[save|rstor] instructions, the storage area must be 16-byte aligned which I set as alignment of the Cpu_lazy_state class [2]. Checking the alignment of the data structure during runtime showed however, that the constraint is not correctly adhered to. I suspect that the Kernel::Cpu_job class, which contains the lazy state [3], is allocated without consideration for the required alignment. I have worked around the issue by manually ensuring the correct alignment [4] but I consider it a hack would like to get rid of it. Since I am not quite sure how Cpu_job is allocated and what its life cycle looks like, I would be glad if someone could give me some pointers to verify my suspicion and give a suggestion on how one would go about ensuring the proper alignment of all instances of Cpu_lazy_state. Regards, Adrian [1] - https://github.com/codelabs-ch/genode/blob/9a2a85c807a695a91088b6ab6e0d0de4… [2] - https://github.com/codelabs-ch/genode/blob/9a2a85c807a695a91088b6ab6e0d0de4… [3] - https://github.com/codelabs-ch/genode/blob/hw_x86-fpu/repos/base-hw/src/cor… [4] - https://github.com/codelabs-ch/genode/commit/996ffa6407effaa45488ddf3e41986…

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Re: Documentation - request for feedback
by Norman Feske 09 Mar '15

09 Mar '15

Hi Stephan, > My experience with such documentation (considering that I am maintaining > a 1500+ design documentation of the Linux kernel) is that references to > the code are helpful. For example: when you talk about a capability in > section 3.1, just add a hint which C++ object such capability is stored > in. With this, a reader now as an entry into the code and can start to > understand the code. > > Note, I am not looking for comprehensive code snippets -- just a > reference to the code structs / objects. that is a good advice. I actually deliberately tried to keep Chapter 3 void of "implementation smell" to avoid distracting the reader from understanding the architectural concepts. But I agree that the reader might desire to the draw the connection to the actual code. Would the addition of cross references to the corresponding subsections of Chapter 7 (Functional specification) achieve the desired effect? Chapter 7 will contain the actual API documentation (of course referring to the source code). This way, the text in Chapter 3 would not directly but indirectly refer to the source code. Best regards Norman -- Dr.-Ing. Norman Feske Genode Labs http://www.genode-labs.com · http://genode.org Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

3 3

How to run two_linux_panda
by Zachary 05 Mar '15

05 Mar '15

Hi all, I am interested in the work of Genode about muti_linux on pandaboard[1]. So, I downloaded the image from that page, and run it correctly. I try to build it by myself but get some troubles. Firstly, there is no two_linux_panda.run script in the latest release of Genode, so I got one form genode 12.08. In order to build it , I changed 'omap4_fb' to 'fb_drv', and delete 'lib_log.lib.so'(The building log says can't find it). After that, I got an image.elf and run it on pandaboard, but it can't not work well. This is the log of UART output: ... Genode 14.11 int main(): --- create local services --- int main(): --- start init --- int main(): transferred 989 MB to init int main(): --- init created, waiting for exit condition --- Quota exceeded! amount=28672, size=4096, consumed=28672 [init] upgrading quota donation for Env::CPU (8192 bytes) Quota exceeded! amount=36864, size=4096, consumed=36864 [init] upgrading quota donation for Env::CPU (8192 bytes) Quota exceeded! amount=45056, size=4096, consumed=45056 [init] upgrading quota donation for Env::CPU (8192 bytes) [init -> sd_card_drv] --- OMAP4 SD card driver --- [init -> nic_bridge] Could not open file "config" [init -> nic_bridge] Could not obtain config file [init -> blocktest_term] int main(int, char**): --- terminal service started --- Insufficient quota for transfer: init -> nic_bridge have 1564672, need 3301376 [init] not enough quota for a donation of 3301376 bytes [init -> nic_bridge] resource_request: ram_quota=3301376 [init -> nic_bridge] virtual void Genode::Platform_env::release(): used before 8 [init -> nic_bridge] virtual void Genode::Platform_env::release(): used after f2 [init] child "nic_bridge" requests resources: ram_quota=3301376 [init -> fb_drv] Could not open file "config" [init -> fb_drv] Could not obtain config file [init -> http_term] int main(int, char**): --- terminal service started --- Insufficient quota for transfer: init -> part_blk have 1564672, need 4206592 [init] not enough quota for a donation of 4206592 bytes [init -> part_blk] resource_request: ram_quota=4206592 [init -> part_blk] virtual void Genode::Platform_env::release(): used before fr6 [init -> fb_drv] int main(int, char**): using default configuration: HDMI@...305... [init -> part_blk] virtual void Genode::Platform_env::release(): used after fre0 [init] child "part_blk" requests resources: ram_quota=4206592 [init -> vmlinux.1] Booting L4Linux ... [init -> vmlinux.1] ======> L4Linux starting... <======== [init -> vmlinux.1] Linux version 3.9.0-l4-gf2eebae (czzcz@...306...) (gcc5 [init -> vmlinux.1] Binary name: vmlinux [init -> vmlinux.1] This is an AEABI build. [init -> vmlinux.1] Linux kernel command line (2 args): mem=54M l4x_rd=initrd.gz [init -> vmlinux.1] CPU mapping (l:p)[0]: Image: 02000000 - 02500000 [5120 KiB]. [init -> vmlinux.1] Areas: Text: 02000000 - 023dc000 [3952kB] (a bit longer) [init -> vmlinux.1] Data: 023dc000 - 024091b8 [180kB] [init -> vmlinux.1] Initdata: 023b4000 - 023da9c0 [154kB] [init -> vmlinux.1] BSS: 0240a000 - 02446de8 [243kB] [init -> vmlinux.2] Booting L4Linux ... [init -> usb_drv] Services::Services(): Could not read screen resolution in cone [init -> usb_drv] Services::Services(): No <storage> config node found - not ste [init -> usb_drv] Services::Services(): No <raw> config node found - not startie [init -> usb_drv] Warning: No USB controllers enabled. [init -> usb_drv] Use <config (u/e/x)hci="yes"> in your 'usb_drv' configuration [init -> sd_card_drv] CID: 0x97009861 0x38caa862 0x44303847 0x02544d53 [init -> sd_card_drv] RCA: 0x895a [init -> vmlinux.2] ======> L4Linux starting... <======== [init -> vmlinux.2] Linux version 3.9.0-l4-gf2eebae (czzcz@...306...) (gcc5 [init -> vmlinux.2] Binary name: vmlinux [init -> vmlinux.2] This is an AEABI build. [init -> vmlinux.2] Linux kernel command line (2 args): mem=54M l4x_rd=initrd.gz [init -> sd_card_drv] SD card detected [init -> sd_card_drv] capacity: 7600 MiB [init -> vmlinux.2] CPU mapping (l:p)[0]: Image: 02000000 - 02500000 [5120 KiB]. [init -> vmlinux.2] Areas: Text: 02000000 - 023dc000 [3952kB] (a bit longer) [init -> vmlinux.2] Data: 023dc000 - 024091b8 [180kB] [init -> vmlinux.2] Initdata: 023b4000 - 023da9c0 [154kB] [init -> vmlinux.2] BSS: 0240a000 - 02446de8 [243kB] [init -> part_blk] Partition 1: LBA 62 (78058 blocks) type: c [init -> part_blk] Partition 2: LBA 78120 (46872 blocks) type: c [init -> part_blk] Partition 3: LBA 124992 (46872 blocks) type: c [init -> nitpicker] Could not open file "config" [init -> nitpicker] Could not obtain config file [init -> nitpicker] create session with args: label="linux.1", ram_quota=28672 [init -> nitpicker] create session with args: label="linux.2", ram_quota=28672 [init -> nitpicker] create session with args: label="http_fb", ram_quota=28672 [init -> nitpicker] create session with args: label="blocktest_fb", ram_quota=22 [init -> linux.1] using xywh=(1,1,510,382) [init -> linux.2] using xywh=(513,513,510,382) [init -> http_fb] using xywh=(1,1,510,376) [init -> blocktest_fb] using xywh=(513,513,510,376) [init -> http_term] Could not open file "config" [init -> http_term] Could not obtain config file [init -> blocktest_term] Could not open file "config" [init -> blocktest_term] Could not obtain config file [init -> http_term] cell size is 8x16 [init -> blocktest_term] cell size is 8x16 [init -> http_term] create terminal session [init -> blocktest_term] create terminal session [init -> http_term] new terminal session: [init -> http_term] framebuffer has 510x376 pixels [init -> http_term] character size is 8x16 pixels [init -> http_term] terminal size is 63x23 characters [init -> blocktest_term] new terminal session: [init -> blocktest_term] framebuffer has 510x376 pixels [init -> blocktest_term] character size is 8x16 pixels [init -> blocktest_term] terminal size is 63x23 characters [init -> nic_bridge] Invalid session request, no matching policy [init -> vmlinux.1] l4io_get_root_device: Not implemented yet! [init -> vmlinux.1] Device scan: [init -> vmlinux.1] l4io_iterate_devices: Not implemented yet! [init -> vmlinux.1] Device scan done. [init -> vmlinux.2] l4io_get_root_device: Not implemented yet! [init -> vmlinux.2] Device scan: [init -> vmlinux.2] l4io_iterate_devices: Not implemented yet! [init -> vmlinux.2] Device scan done. [init] vmlinux.1: no route to service "Timer" [init -> vmlinux.1] C++ runtime: Genode::Parent::Service_denied [init] vmlinux.2: no route to service "Timer" [init -> vmlinux.1] void* abort(): abort called [init -> vmlinux.2] C++ runtime: Genode::Parent::Service_denied [init -> vmlinux.2] void* abort(): abort called [init] virtual void Genode::Child_policy::exit(int): child "test-libc_ffat" exi1 [init] virtual void Genode::Child_policy::exit(int): child "test-lwip_httpsrv" 1 -------------------------------------------------------------- Only test-lwip_httpssrv shows on the The HDMI moniter, and it says : [test-lwip_httpssrv] Could not open file "config" [test-lwip_httpssrv] Could not obtain config file [test-lwip_httpssrv] no VFS configured [test-lwip_httpssrv] DHCP timed out [test-lwip_httpssrv] We got no IP address! I want to ask: 1. What is 'lib_log.lib.so'? Can I delete it? 2. Is there a document about configuration of run script? 3. How to run the two_linux_panda correctly? Best, Zachary [1] http://genode.org/documentation/articles/pandaboard

2 5

implementation of dummies methods
by Mohammad Hamad 02 Mar '15

02 Mar '15

Hi all, in libc/src/lib/libc there is Dummies.cc file which contains many methods.Actually i am trying to port ISAKMP which use most of them ( such as fork, getuid ,socketpair, sendmsg and etc) . i was able to compile it but i face many no implementation for " method" message , so I think i need to implement all these methods, am i right ?! from where i should start, should i use new libc plugin or i should implement them in specific places. thank you in advance . best,

4 6

TZ support without NDA
by Madhu (Macaque Labs) 02 Mar '15

02 Mar '15

Who are the ARM cpu vendors who publish their trust zone support ? I know Freescale does, know for a fact Qualcomm does not ! Mediatek ? Trying to do a virtualized android tablet distribution. Can we have a genode sub project on this. I am sure, others would be interested. Also attempting a port of bionic on genode. First hack is done, doing so excited testing. If this works, then genode on genode virtualization might suffice. Using Freescale currently but it is A9, so has no VT support and power usage is on the higher side. I see a couple of Samsung exynos boards on the support list, I think both are a15 based cores. So does that mean we can hack a galazy tab or a high end galaxy s phone to run genode ? Has to be the wifi or the Asian version. Both run Exynos. US 3g/lte variants typically run snapdragon though I believe that is changing with the new s6. would be nice to have a cortex a 53/57 device though. I have also asked AMD for details on their new Carrizo processor. this is a multi core x86 with a cortex ax supposedly running trustzone. Wanr to try a virtualize Ubuntu on this with security modules secured through tz. Our own open source Shakti processor based on RiscV is getting its TZ support but it will be at least end of the year before we can release it on fpga. Student code takes to ensure to clean up ! Also riscv mmu slecture is not available yet. The UCB rocket processor is ready but some one has to hack TZ into it.

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Announcement: Genode OS Framework version 15.02 released
by Christian Helmuth 27 Feb '15

27 Feb '15

According to our road map, the overall theme of 2015 is the consolidation and cultivation of the existing feature set rather than the conquering of new grounds. Along these lines, the current release brings with virtualization support on ARM one prominent feature but plenty of changes regarding testing, stability, and performance improvements. The highlights are - Virtualization on ARM - Modular tool kit for automated testing - Improved performance of VirtualBox on NOVA - Libraries and protocol stacks - Update of rump-kernel based file systems - Ports of sqlite and libbz2 - Device drivers - Support for USB touchscreen devices - New wireless configuration interface - New USB session interface - Platforms - Added support for the USB Armory board - IPC helping on the base-hw kernel - Out-of-order page-fault handling on NOVA Following our tradition, the extensive release documentation is available from http://genode.org/documentation/release-notes/15.02 and covers all additions and changes in detail. Best regards -- Christian Helmuth Genode Labs http://www.genode-labs.com/ · http://genode.org/ https://twitter.com/GenodeLabs · /ˈdʒiː.nəʊd/ Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

1 0

Mailing-list issues
by Christian Helmuth 25 Feb '15

25 Feb '15

Hello all, if I'm lucky this mail reaches the list. For the third time since December, we experience mailing-list issues at Sourceforge. So, please be patient and (like me) cross fingers that we get back operational soon. For the future, I'd like to know of any reasonable alternative platform for our list. Regards -- Christian Helmuth Genode Labs http://www.genode-labs.com/ · http://genode.org/ https://twitter.com/GenodeLabs · /ˈdʒiː.nəʊd/ Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet _______________________________________________ genode-main mailing list genode-main(a)lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/genode-main

1 0

ld.so: object 'libgendep.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
by Peter Teoh 24 Feb '15

24 Feb '15

I enabled "foc_imx53" option in "create_builddir" and afte "make" the output as follows were generated: Skip target test/gpio_drv because it requires omap4 Skip target test/python because it requires x86 Skip target test/rm_nested because it requires experimental Skip target test/timer_accuracy because it requires linux Skip target test/vmm_utils because it requires nova Skip target test/xev_track because it requires host x11 xtest xdamage var/libdeps:2243: warning: overriding commands for target `vmlinux.prg' var/libdeps:2199: warning: ignoring old commands for target `vmlinux.prg' var/libdeps:4785: warning: overriding commands for target `.prg' var/libdeps:2307: warning: ignoring old commands for target `.prg' All build tools checked ok. Creating build directory "/sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/"... HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o SHIPPED scripts/kconfig/zconf.tab.c SHIPPED scripts/kconfig/zconf.lex.c SHIPPED scripts/kconfig/zconf.hash.c HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf scripts/kconfig/conf --oldconfig /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/Kconfig.generated # # configuration written to .kconfig # scripts/kconfig/conf --silentoldconfig /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/Kconfig.generated All build tools checked ok. gcc -fPIC -Wall -pedantic -g -m64 -c /sda1/home/tteikhua/Downloads/genode-14.11/contrib/foc-3456a52b6603b16c9f157c9b3e2045e0984028c0/src/kernel/foc/l4/tool/gendep/deptrack.c -o /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/tool/gendep/deptrack.64.o gcc -fPIC -Wall -pedantic -g -m64 -c /sda1/home/tteikhua/Downloads/genode-14.11/contrib/foc-3456a52b6603b16c9f157c9b3e2045e0984028c0/src/kernel/foc/l4/tool/gendep/syscall.c -o /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/tool/gendep/syscall.64.o mkdir -p /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/tool/gendep/64 gcc -m64 -shared -Wl,--no-as-needed -Wl,-soname,/sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/tool/gendep/64/libgendep.so -ldl -o /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/tool/gendep/64/libgendep.so /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/tool/gendep/deptrack.64.o /sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/tool/gendep/syscall.64.o ERROR: ld.so: object 'libgendep.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored. ERROR: ld.so: object 'libgendep.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored. ERROR: ld.so: object 'libgendep.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored. make[8]: *** [Makeconf.bid.local-internal-names] Error 1 make[7]: *** [Makeconf.bid.local-helper] Error 2 make[6]: *** [DROPSCONF_CONFIG_MK_POST_HOOK] Error 1 make[5]: *** [/sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/.config.all] Error 2 make[4]: *** [oldconfig] Error 2 make[3]: *** [all] Error 2 make[2]: *** [/sda1/home/tteikhua/Downloads/genode-14.11/tool/build_foc_imx53/l4/.kconfig] Error 2 make[1]: *** [platform.lib] Error 2 make: *** [gen_deps_and_build_targets] Error 2 And somewhere under the tool directory is found the libgendep.so file: /home/tteikhua/Downloads/genode-14.11>find .|grep gendep ./tool/build_foc_imx53/l4/tool/gendep ./tool/build_foc_imx53/l4/tool/gendep/64 ./tool/build_foc_imx53/l4/tool/gendep/64/libgendep.so ./tool/build_foc_imx53/l4/tool/gendep/Makefile ./tool/build_foc_imx53/l4/tool/gendep/syscall.64.o ./tool/build_foc_imx53/l4/tool/gendep/deptrack.64.o What is the cause of the error, and how to resolve it? -- Regards, Peter Teoh

1 0

incomplete uImage
by Peter Teoh 23 Feb '15

23 Feb '15

Thanks to Martin Stein, I got imx53 to boot the uImage (via uboot): => bootm 0x70200000 ## Booting kernel from Legacy Image at 70200000 ... Image Name: Image Type: ARM Linux Kernel Image (gzip compressed) Data Size: 7860047 Bytes = 7.5 MiB Load Address: 70010000 Entry Point: 70010000 Verifying Checksum ... OK Uncompressing Kernel Image ... OK Starting kernel ... kernel initialized Genode 14.11 int main(): --- create local services --- int main(): --- start init --- int main(): transferred 246 MB to init int main(): --- init created, waiting for exit condition --- [init] Could not open file "ld.lib.so" [init] parent provides [init] service "ROM" [init] service "RAM" [init] service "IRQ" [init] service "IO_MEM" [init] service "CAP" [init] service "PD" [init] service "RM" [init] service "CPU" [init] service "LOG" [init] service "SIGNAL" [init] service "VM" [init] child "tz_vmm" [init] RAM quota: 3932160 [init] ELF binary: tz_vmm [init] priority: 0 [init -> tz_vmm] Start virtual machine ... undefined instruction Can someone help me? Where did it stopped? I need to at least stop at some hello world demo that does nothing than to print to dmesg (or uart) some hello world message. Or at least further than the following shows: http://sourceforge.net/p/genode/discussion/825067/thread/2177b474/ Sorry .... I am still very new to this....:-(. -- Regards, Peter Teoh

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