l4-hackers May 2015

l4-hackers@os.inf.tu-dresden.de

21 participants
31 discussions

Graphical desktop, l4con, mag
by teclis High Elf 02 Jun '17

02 Jun '17

Guten Tag, I've got the Hello app runing with fiasco and l4re in qemu, how do I get the graphical UI and console running that I see on the screen shots page? Do I need to use l4con and mag? I don't see an entry with l4con in modules.list. danke * <http://german.about.com/library/media/Audio/gutentag.wav>*

6 15

libfs/ FUSE on L4Re
by Stark, Josef 31 May '17

31 May '17

Hello, yesterday I came across a very interesting paper titled "Porting FUSE to L4Re", accessible here: http://os.inf.tu-dresden.de/papers_ps/pester-beleg.pdf For porting FUSE, the author uses a library called "libfs" which provides filesystem request forwarding and processing, if I understood correctly. It reads as if libfs is already included in L4Re. However, I couldn't find neither FUSE nor libfs in the current L4Re snapshot. Are they by any chance publicly available somewhere else, or are … [View More]

4 7

TrustZone example on i.MX6
by Markku Ahvenjärvi 07 Jul '15

07 Jul '15

Hello hackers, I'm trying to run Fiasco.OC in secure world and Linux in non-secure world on i.MX6Q. For this I'm using the TrustZone example (pkg/examples/sys/vm-tz). To secure world I have given 128MB RAM starting from 0x10000000 and I modified the example to give NS world 256MB starting from 0x20000000. I've replaced atags with dtb of my board and it is copied to NS side like kernel and initrd. At first I encountered runtime exception, which I fixed by implementing following to … [View More]

5 29

Fwd: Running L4Linux + Fiasco on Freescale i.MX 6 Sabre SD
by Mahdi Aichouch 06 Jul '15

06 Jul '15

Hello, Thank you very much Mattias for you help. Now L4Linux goes further but it stops after mounting the root filesystem. Do you have an idea of what might be wrong. Thank you in advance. Best regards, Mahdi L4 Bootstrapper Build: #81 Thu May 28 10:36:41 CEST 2015, 4.8.3 20140320 (prerelease) Scanning up to 256 MB RAM, starting at offset 32MB Memory size is 256MB (10000000 - 1fffffff) RAM: 0000000010000000 - 000000001fffffff: 262144kB Total RAM: 256MB Scanning fiasco … [View More]Scanning sigma0 Scanning moe Moving up to 10 modules behind 11100000 moving module 02 { 118aa000-118e363f } -> { 1199a000-119d363f } [235072] moving module 01 { 118a0000-118a938b } -> { 11990000-1199938b } [37772] moving module 00 { 11848000-1189fb17 } -> { 11938000-1198fb17 } [359192] moving module 09 { 11548000-11847fff } -> { 11638000-11937fff } [3145728] moving module 08 { 111d6000-11547497 } -> { 112c6000-11637497 } [3609752] moving module 07 { 111d5000-111d50bc } -> { 112c5000-112c50bc } [189] moving module 06 { 1107e000-111d446f } -> { 1116e000-112c446f } [1401968] moving module 05 { 1107d000-1107d17b } -> { 1116d000-1116d17b } [380] moving module 04 { 1102a000-1107cc1f } -> { 1111a000-1116cc1f } [338976] moving module 03 { 11010000-11029473 } -> { 11100000-11119473 } [103540] Loading fiasco Loading sigma0 Loading moe find kernel info page... found kernel info page at 0x10002000 Regions of list 'regions' [ 10000000, 1000015f] { 160} Root mbi_rt [ 10001000, 10001aff] { b00} Kern fiasco [ 10002000, 10066fff] { 65000} Kern fiasco [ 10090000, 10096edf] { 6ee0} Sigma0 sigma0 [ 10098000, 1009e177] { 6178} Sigma0 sigma0 [ 10140000, 10171d77] { 31d78} Root moe [ 10178000, 101934ab] { 1b4ac} Root moe [ 11000000, 1100f58f] { f590} Boot bootstrap [ 11100000, 11937fff] { 838000} Root Module API Version: (87) experimental Sigma0 config ip:10090100 sp:00000000 Roottask config ip:10140260 sp:00000000 Starting kernel fiasco at 100012c8 Number of IRQs available at this GIC: 160 FPU0: Arch: VFPv3(3), Part: VFPv3(30), r: 4, v: 9, i: 41, t: hard, p: dbl/sngl L2: ID=410000c7 Type=9e340340 Aux=02070000 WMask=ffff S=0 L2: Type L2C-310 Size = 1024kB Ways=16 Waysize=64 GIC: Switching IRQ 58 to secure SERIAL ESC: allocated IRQ 58 for serial uart Not using serial hack in slow timer handler. Welcome to Fiasco.OC (arm)! L4/Fiasco.OC arm microkernel (C) 1998-2013 TU Dresden Rev: rexported compiled with gcc 4.8.3 for i.MX6 [] Build: #15 Thu May 28 10:35:21 CEST 2015 GIC: Switching IRQ 29 to secure Calibrating timer loop... done. MDB: use page size: 20 MDB: use page size: 12 SIGMA0: Hello! KIP @ 10002000 allocated 4KB for maintenance structures SIGMA0: Dump of all resource maps RAM:------------------------ [4:10000000;10000fff] [0:10067000;1008ffff] [0:10097000;10097fff] [0:1009f000;1013ffff] [4:10140000;10171fff] [0:10172000;10177fff] [4:10178000;10193fff] [0:10194000;110fffff] [4:11100000;11937fff] [0:11938000;1effffff] IOMEM:---------------------- [0:0;fffffff] [0:20000000;ffffffff] MOE: Hello world MOE: found 236564 KByte free memory MOE: found RAM from 10000000 to 1f000000 MOE: allocated 240 KByte for the page array @0x1009f000 MOE: virtual user address space [0-bfffffff] MOE: rom name space cap -> [C:501000] BOOTFS: [11100000-11119474] [C:503000] l4re BOOTFS: [1111a000-1116cc20] [C:504000] ned BOOTFS: [1116d000-1116d17c] [C:505000] l4lx.cfg BOOTFS: [1116e000-112c4470] [C:506000] io BOOTFS: [112c5000-112c50bd] [C:507000] arm-rv.io BOOTFS: [112c6000-11637498] [C:508000] vmlinuz.arm BOOTFS: [11638000-11938000] [C:509000] ramdisk-arm.rd MOE: cmdline: moe rom/l4lx.cfg MOE: Starting: rom/ned rom/l4lx.cfg MOE: loading 'rom/ned' Ned says: Hi World! Ned: loading file: 'rom/l4lx.cfg' l4linux | libio: Warning: Query of 'vbus' failed! l4linux | PH 0 (t: 1) offs=00008000 vaddr=02000000 vend=023defa8 l4linux | phys=02000000 ephys=023defa8 l4linux | f_sz=00359394 memsz=003defa8 flgs=rwx l4linux | PH 1 (t: 4) offs=0031afe0 vaddr=02312fe0 vend=02313004 l4linux | phys=02312fe0 ephys=02313004 l4linux | f_sz=00000024 memsz=00000024 flgs=r-x l4linux | PH 2 (t: 1685382481) offs=00000000 vaddr=00000000 vend=00000000 l4linux | phys=00000000 ephys=00000000 l4linux | f_sz=00000000 memsz=00000000 flgs=rwx l4linux | Starting binary at 0x20002b0, argc=6 argv=0xafff4f8c *argv=0xb1007ff0 argv0=rom/vmlinuz.arm l4linux | External resolver is at 0xa8000788 l4linux | ======> L4Linux starting... <======== l4linux | Linux version 3.16.0-l4 (aichouch@aichouch-ThinkCentre-M90) (gcc version 4.8.3 20140320 (prerelease) (Sourcery CodeBench Lite 2014.05-29) ) #1 Wed May 27 18:04:14 CEST 2015 l4linux | Binary name: rom/vmlinuz.arm l4linux | This is an AEABI build. l4linux | Linux kernel command line (5 args): mem=64M console=ttyLv0 l4x_rd=rom/ramdisk-arm.rd root=1:0 ramdisk_size=4000 l4linux | CPU mapping (l:p)[1]: 0:0 l4linux | Image: 02000000 - 02400000 [4096 KiB]. l4linux | Areas: Text: 02000000 - 02332000 [3272kB] (a bit longer) l4linux | Data: 02332000 - 023543a0 [136kB] l4linux | Initdata: 02314000 - 02331024 [116kB] l4linux | BSS: 02359394 - 023defa8 [535kB] l4linux | Device scan: l4linux | Device scan done. l4linux | l4lx_thread_create: Created thread 413 (cpu0) (u:b3000e00, v:b3000c00, sp:02333fa4) l4linux | main thread will be 413 l4linux | l4x_register_pointer_section: addr = 02000000 size = 4059136 l4linux | section-with-init: Virt: 0x2000000 to 0x23defa7 [3963 KiB] l4linux | section-with-init: Phys: 0x1025a000 to 0x10638fa7, [3963 KiB] l4linux | Main thread running, waiting... l4linux | L4x: Memory size: 64MB l4linux | L4x: Setting superpages for main memory l4linux | L4x: Adjusted memory start: 02000000 l4linux | Main memory: Virt: 0x2400000 to 0x63fffff [65536 KiB] l4linux | Main memory: Phys: 0x11a00000 to 0x159fffff, [65536 KiB] l4linux | l4x: vmalloc area: 06400000 - 0e400000 l4linux | l4x_register_pointer_section: addr = 02000000 size = 4059136 l4linux | text: Virt: 0x2000000 to 0x23defa7 [3963 KiB] l4linux | text: Phys: 0x1025a000 to 0x10638fa7, [3963 KiB] l4linux | Loading: rom/ramdisk-arm.rd l4linux | INITRD: Size of RAMdisk is 3072KiB l4linux | RAMdisk from 00002000 to 00302000 [3072KiB] l4linux | l4lx_thread_create: Created thread 418 (timer0) (u:b3000a00, v:00000000, sp:02377fa0) Booting Linux on physical CPU 0x0 Linux version 3.16.0-l4 (aichouch@aichouch-ThinkCentre-M90) (gcc version 4.8.3 20140320 (prerelease) (Sourcery CodeBench Lite 2014.05-29) ) #1 Wed May 27 18:04:14 CEST 2015 CPU: Fiasco [412fc09a] revision 10 (ARMv7), cr=00000000 CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache Machine: L4 Ignoring unrecognised tag 0x00000000 Memory policy: Data cache uncached INITRD: 00002000 - 00302000 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 17209 Kernel command line: mem=64M console=ttyLv0 l4x_rd=rom/ramdisk-arm.rd root=1:0 ramdisk_size=4000 PID hash table entries: 512 (order: -1, 2048 bytes) Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Memory: 64808K/69636K available (2460K kernel code, 136K rwdata, 688K rodata, 116K init, 535K bss, 4828K reserved) Virtual kernel memory layout: vector : 0xbffff000 - 0xc0000000 ( 4 kB) fixmap : 0xffc00000 - 0xffe00000 (2048 kB) vmalloc : 0x06400000 - 0x0e400000 ( 128 MB) lowmem : 0x00000000 - 0x06400000 ( 100 MB) modules : Virtual kernel memory layout: vector : 0xbffff000 - 0xc0000000 ( 4 kB) fixmap : 0xffc00000 - 0xffe00000 (2048 kB) vmalloc : 0x06400000 - 0x0e400000 ( 128 MB) lowmem : 0x00000000 - 0x06400000 ( 100 MB) moNR_IRQS:220 l4timer: Using IRQ210 sched_clock: 64 bits at 1000kHz, resolution 1000ns, wraps every 2147483648000ns Console: colour dummy device 80x30 console [ttyLv0] enabled Calibrating delay loop... 1574.50 BogoMIPS (lpj=7872512) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) CPU: Testing write buffer coherency: ok Setting up static identity map for 0x22509d8 - 0x22509d8 VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 NET: Registered protocol family 16 DMA: preallocated 256 KiB pool for atomic coherent allocations Failed to create "l4x" debugfs directory: 1 Switched to clocksource l4kipclk NET: Registered protocol family 2 TCP established hash table entries: 1024 (order: 0, 4096 bytes) TCP bind hash table entries: 1024 (order: 0, 4096 bytes) TCP: Hash tables configured (established 1024 bind 1024) TCP: reno registered UDP hash table entries: 256 (order: 0, 4096 bytes) UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) NET: Registered protocol family 1 Trying to unpack rootfs image as initramfs... rootfs image is not initramfs (junk in compressed archive); looks like an initrd INITRD: Freeing memory. l4x: Checks passed. NetWinder Floating Point Emulator V0.97 (double precision) futex hash table entries: 256 (order: -1, 3072 bytes) msgmni has been set to 126 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) L4 serial driver ttyLv0 at MMIO 0x1 (irq = 211, base_baud = 230400) is a L4 l4ser_shm: L4 shared mem serial driver l4cdds: No name given, not starting. brd: module loaded l4bdds: No name given, not starting. mousedev: PS/2 mouse device common for all mice TCP: cubic registered NET: Registered protocol family 17 RAMDISK: ext2 filesystem found at block 0 RAMDISK: Loading 3072KiB [1 disk] into ram disk... done. EXT4-fs (ram0): couldn't mount as ext3 due to feature incompatibilities EXT4-fs (ram0): mounting ext2 file system using the ext4 subsystem EXT4-fs (ram0): mounted filesystem without journal. Opts: (null) VFS: Mounted root (ext2 filesystem) readonly on device 1:0. Freeing unused kernel memory: 116K (02314000 - 02331000) Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b CPU: 0 PID: 1 Comm: init Not tainted 3.16.0-l4 #1 [<0200cc68>] (unwind_backtrace) from [<020057e4>] (show_stack+0x10/0x14) [<020057e4>] (show_stack) from [<0224ad50>] (panic+0x7c/0x1d0) [<0224ad50>] (panic) from [<0201dcdc>] (do_exit+0x7b8/0x7f0) [<0201dcdc>] (do_exit) from [<0201e858>] (do_group_exit+0x40/0xa0) [<0201e858>] (do_group_exit) from [<02028700>] (get_signal_to_deliver+0x148/0x4b4) [<02028700>] (get_signal_to_deliver) from [<02006e1c>] (do_signal+0x118/0x454) [<02006e1c>] (do_signal) from [<0200a4d4>] (l4x_vcpu_entry_c+0xa74/0x1dd4) [<0200a4d4>] (l4x_vcpu_entry_c) from [<0000c548>] (0xc548) ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b panic: going to sleep forever, bye l4linux | panic: going to sleep forever, bye On Thu, May 28, 2015 at 8:23 AM, Matthias Lange < matthias.lange(a)kernkonzept.com> wrote: > Hi, > > On 05/27/2015 06:43 PM, Mahdi Aichouch wrote: > > Hello, > > > > I tried to run L4Linux + Fiasco on a Freescale i.mx <http://i.mx> 6 > > Sabre SD board. > > > > The L4Linux is started but it stops at loading the ramdisk, as shown in > > the debug messages below. > > > > Does someone has an idea of what might be wrong. > > > > Thank you very much in advance. > > > > Best regards, > > > > Mahdi > > > > [...] > > > l4linux | l4x_register_pointer_section: addr = 02000000 size = 4059136 > > l4linux | text: Virt: 0x2000000 to 0x23defa7 [3963 KiB] > > l4linux | text: Phys: 0x1025a000 to 0x10638fa7, [3963 KiB] > > l4linux | Loading: rom/ramdisk-arm.rd > > l4linux | INITRD: Size of RAMdisk is 3072KiB > > l4linux | RAMdisk from 00002000 to 00302000 [3072KiB] > > l4linux | 'swp(b)' instruction at 0224f728 and faulting. > > Have you enabled CONFIG_ARM_ENABLE_SWP in your Fiasco config? > > Matthias. > > > -- > Matthias Lange, matthias.lange(a)kernkonzept.com, +49 - 351 - 41 88 86 14 > > Kernkonzept GmbH. Sitz: Dresden. Amtsgericht Dresden, HRB 31129. > Geschäftsführer: Dr.-Ing. Michael Hohmuth > > [View Less]

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Re: Testing Fiasco.OC+L4re on ODROID-X2(Exynos4412)
by Reinier Millo Sánchez 25 Jun '15

25 Jun '15

Hi Adam and L4 community I've been testing somethings on the Odroid-X2(Exynos4412). It seems that the IRQ handler only handles the first IRQ and disables the IRQs. I have added the following code to check the IRQs in the function Kernel_thread::bootstrap() in the file src/kernel/fiasco/src/kern/kernel_thread.cpp Per_cpu_data::run_late_ctors(Cpu::invalid()); bootstrap_arch(); Timer_tick::enable(current_cpu()); Proc::sti(); ++ Proc::Status st = Proc::interrupts(); +… [View More]

2 7

Using a second Ethernet connector in L4Linux
by Mahdi Aichouch 03 Jun '15

03 Jun '15

Hello, I have a Freescale i.MX 6 Sabre SD board. It is equipped with one Ethernet RJ45 connector. I need to add a second Ethernet RJ45 connector to the board. The board has a micro-USB OTG port that allow to connect a plugable USB OTG Micro-B to Ethernet adapter like for instance this one: http://plugable.com/products/usb2-otge100 I would like to know if L4Linux might access such a second Ethernet device connected through micro-USB. Does anyone has tried this before. Could someone points … [View More]

2 1

Implementing a few real time scheduling algorithms on Fiasco.OC
by Biermans Joeri 30 May '15

30 May '15

Hi everyone, I'm a student at the university of Antwerp and I'm currently working on my master's thesis. My project is about comparing the performance of a few global multicore scheduling algorithms (G-RM, G-EDF, ...) on an embedded system. A part of my thesis is to make an implementation on a real embedded system equipped with a quadcore processor (i.MX6). To do that I need an RTOS. Fiasco with the l4re at a first sight seems an interesting candidate. To test the performance of the … [View More]

3 2

Booting error of L4Linux enabled SMP surpport
by Xiefeng (Stephen) 29 May '15

29 May '15

Hi all, I use entry L4Linux-mag-x86 in modules.list to start a L4Linux on L4Re successfully. The codes is l4re-snapshot-2014092821. L4Linux use x86-native_deconfig complie, use l4lx-gfx.cfg to start L4Linux. This config is just set one cpu for L4Linux. If I set l4x_cpus=2 in l4lx-gfx.cfg, use x86-mp_vPCI_defconfig and set CONFIG_NR_CPUS=2 to compile the L4Linux, when I start L4Linux, a kernel panic happened: l4linux | Loading: rom/ramdisk-x86.rd l4linux | INITRD: Size of RAMdisk is 3072KiB … [View More]

3 4

Boot L4Linux Error
by 刘海剑 28 May '15

28 May '15

Hello everyone, after building l4re-snapshot-2014092821 on my Ubuntu-14.04(32bit), I run L4Linux-mag-x86, and get some errors. The information is as follows: qemu-system-i386 -kernel /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/bootstrap -append "bootstrap -modaddr 0x01100000" -initrd "/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco -serial_esc,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0 ,/home/lhj/L4Linux/l4re-snapshot-… [View More]2014092821/obj/l4/x86/bin/x86_586/l4f/moe rom/l4lx-gfx.cfg,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/l4re ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/ned ,/home/lhj/L4Linux/l4re-snapshot-2014092821/src/l4/conf/examples/l4lx-gfx.cfg ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/io ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/fb-drv ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/mag ,/home/lhj/L4Linux/l4re-snapshot-2014092821/files/cfg/x86-legacy.devs ,/home/lhj/L4Linux/l4re-snapshot-2014092821/src/l4/conf/examples/l4lx-x86.io ,/tmp/QEVRyiQlKD/vmlinuz ,/home/lhj/L4Linux/l4re-snapshot-2014092821/files/ramdisk-x86.rd " -m 256 -serial stdio L4 Bootstrapper Build: #1 Tue May 26 16:48:47 CST 2015, x86-32, 4.8.2 RAM: 0000000000000000 - 000000000009fbff: 639kB RAM: 0000000000100000 - 000000000fffdfff: 261112kB Total RAM: 255MB Scanning /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco -serial_esc Scanning /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0 Scanning /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe rom/l4lx-gfx.cfg need 1368 bytes to copy MBI reserved 1368 bytes at 0x2000 Moving up to 13 modules behind 1100000 moving module 12 { 2266400-25663ff } -> { 3085000-3384fff } [3145728] moving module 11 { 1e8e400-2265919 } -> { 2cad000-3084519 } [4027674] moving module 10 { 1e8d400-1e8d626 } -> { 2cac000-2cac226 } [551] moving module 09 { 1e8c400-1e8c63e } -> { 2cab000-2cab23e } [575] moving module 08 { 1a29400-1e8ba0b } -> { 2848000-2caa60b } [4597260] moving module 07 { 189f400-1a28598 } -> { 26be000-2847198 } [1610137] moving module 06 { 98e400-189ee03 } -> { 17ad000-26bda03 } [15796740] moving module 05 { 98d400-98d96a } -> { 17ac000-17ac56a } [1387] moving module 04 { 736400-98ce09 } -> { 1555000-17aba09 } [2451978] moving module 03 { 5fc400-735b2c } -> { 141b000-155472c } [1283885] moving module 02 { 3a9400-5fb7eb } -> { 11c8000-141a3eb } [2434028] moving module 01 { 353400-3a928a } -> { 1172000-11c7e8a } [351883] moving module 00 { 2e1400-352677 } -> { 1100000-1171277 } [463480] Loading /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco Loading re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0 Loading /l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe find kernel info page... found kernel info page at 0x400000 Regions of list 'regions' [ 0, fff] { 1000} Arch BIOS [ 1000, 1fff] { 1000} Kern /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco [ 2000, 2557] { 558} Root mbi_rt [ 9fc00, 9ffff] { 400} Arch BIOS [ f0000, fffff] { 10000} Arch BIOS [ 100000, 10b193] { b194} Sigma0 re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0 [ 140000, 193363] { 53364} Root /l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe [ 2d0400, 2df43f] { f040} Boot bootstrap [ 300000, 38ffff] { 90000} Kern /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco [ 400000, 475fff] { 76000} Kern /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco [ 141b000, 3384fff] { 1f6a000} Root Module [ fffe000, fffffff] { 2000} Arch BIOS [ fffc0000, ffffffff] { 40000} Arch BIOS API Version: (87) experimental Sigma0 config ip:0010021c sp:00000000 Roottask config ip:001401f6 sp:00000000 Starting kernel /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco at 003007b8 Welcome to Fiasco.OC (ia32)! L4/Fiasco.OC ia32 microkernel (C) 1998-2013 TU Dresden Rev: unknown compiled with gcc 4.8.2 for Intel Pentium [] Build: #1 Tue May 26 16:33:03 CST 2015 Performance-critical config option(s) detected: CONFIG_NDEBUG is off CONFIG_NO_FRAME_PTR is off Superpages: yes Kmem:: cpu page at fffd000 (4096Bytes) ACPI-Init ACPI: RSDP[0xf09e0]r00 OEM:BOCHS. ACPI: RSDT[0x203ffbc1]r01 OEM:BOCHS. OEMTID:BXPCRSDT ACPI: FACP[0x203ff1c0]r01 OEM:BOCHS. OEMTID:BXPCFACP ACPI: SSDT[0x203ff234]r01 OEM:BOCHS. OEMTID:BXPCSSDT ACPI: APIC[0x203ffb11]r01 OEM:BOCHS. OEMTID:BXPCAPIC ACPI: HPET[0x203ffb89]r01 OEM:BOCHS. OEMTID:BXPCHPET IO-APIC: MADT = 0x203ffb11 IO-APIC[ 0]: struct: 0x203ffb45 adr=fec00000 IO-APIC[ 0]: pins 24 PIN[ 0m]: vector=20, del=0, dm=physical, dest=0 (high, edge) PIN[ 1m]: vector=21, del=0, dm=physical, dest=0 (high, edge) PIN[ 2m]: vector=22, del=0, dm=physical, dest=0 (high, edge) PIN[ 3m]: vector=23, del=0, dm=physical, dest=0 (high, edge) PIN[ 4m]: vector=24, del=0, dm=physical, dest=0 (high, edge) PIN[ 5m]: vector=25, del=0, dm=physical, dest=0 (high, edge) PIN[ 6m]: vector=26, del=0, dm=physical, dest=0 (high, edge) PIN[ 7m]: vector=27, del=0, dm=physical, dest=0 (high, edge) PIN[ 8m]: vector=28, del=0, dm=physical, dest=0 (high, edge) PIN[ 9m]: vector=29, del=0, dm=physical, dest=0 (high, edge) PIN[10m]: vector=2a, del=0, dm=physical, dest=0 (high, edge) PIN[11m]: vector=2b, del=0, dm=physical, dest=0 (high, edge) PIN[12m]: vector=2c, del=0, dm=physical, dest=0 (high, edge) PIN[13m]: vector=2d, del=0, dm=physical, dest=0 (high, edge) PIN[14m]: vector=2e, del=0, dm=physical, dest=0 (high, edge) PIN[15m]: vector=2f, del=0, dm=physical, dest=0 (high, edge) PIN[16m]: vector=30, del=0, dm=physical, dest=0 (high, edge) PIN[17m]: vector=31, del=0, dm=physical, dest=0 (high, edge) PIN[18m]: vector=32, del=0, dm=physical, dest=0 (high, edge) PIN[19m]: vector=33, del=0, dm=physical, dest=0 (high, edge) PIN[20m]: vector=34, del=0, dm=physical, dest=0 (high, edge) PIN[21m]: vector=35, del=0, dm=physical, dest=0 (high, edge) PIN[22m]: vector=36, del=0, dm=physical, dest=0 (high, edge) PIN[23m]: vector=37, del=0, dm=physical, dest=0 (high, edge) IO-APIC: dual 8259: yes IO-APIC: ovr[ 0] 00 -> 2 0 IO-APIC: ovr[ 1] 05 -> 5 d IO-APIC: ovr[ 2] 09 -> 9 d IO-APIC: ovr[ 3] 0a -> a d IO-APIC: ovr[ 4] 0b -> b d Allocate cpu_mem @ 0xfdbf9400 FPU0: SSE Local APIC[00]: version=11 max_lvt=5 APIC ESR value before/after enabling: 00000000/00000000 Using the Local APIC timer on vector 90 (Periodic Mode) for scheduling ACPI: FACS phys=fffe000 virt=0x203fe000 ACPI: HW sig=0 SERIAL ESC: allocated IRQ 4 for serial uart Absolute KIP Syscalls using: Sysenter Enable MSI support: chained IRQ mgr @ 0xfdbf9150 SERIAL ESC: allocated IRQ 4 for serial uart Not using serial hack in slow timer handler. CPU[0]: GenuineIntel (6:6:3:0)[00000663] Model: QEMU Virtual CPU version 2.0.0 at 2507MHz 32 KB L1 I Cache (8-way associative, 64 bytes per line) 32 KB L1 D Cache (8-way associative, 64 bytes per line) 2048 KB L2 U Cache (8-way associative, 64 bytes per line) Freeing init code/data: 24576 bytes (6 pages) Calibrating timer loop... done. MDB: use page size: 22 MDB: use page size: 12 SIGMA0: Hello! KIP @ 400000 Found Fiasco: KIP syscalls: yes allocated 4KB for maintenance structures SIGMA0: Dump of all resource maps RAM:------------------------ [4:2000;2fff] [0:3000;9efff] [0:10c000;13ffff] [4:140000;193fff] [0:194000;3fffff] [0:470000;141afff] [4:141b000;3384fff] [0:3385000;eb8afff] IOMEM:---------------------- [0:0;fff] [0:9f000;fffff] [0:fffe000;febfffff] [0:fec01000;fedfffff] [0:fee01000;ffffffff] IO PORTS-------------------------- [0:0;fffffff] MOE: Hello world MOE: found 207796 KByte free memory MOE: found RAM from 2000 to eb8b000 MOE: allocated 235 KByte for the page array @0x3000 MOE: virtual user address space [0-bfffffff] MOE: rom name space cap -> [C:501000] BOOTFS: [141b000-155472d] [C:503000] l4re BOOTFS: [1555000-17aba0a] [C:504000] ned BOOTFS: [17ac000-17ac56b] [C:505000] l4lx-gfx.cfg BOOTFS: [17ad000-26bda04] [C:506000] io BOOTFS: [26be000-2847199] [C:507000] fb-drv BOOTFS: [2848000-2caa60c] [C:508000] mag BOOTFS: [2cab000-2cab23f] [C:509000] x86-legacy.devs BOOTFS: [2cac000-2cac227] [C:50a000] l4lx-x86.io BOOTFS: [2cad000-308451a] [C:50b000] vmlinuz BOOTFS: [3085000-3385000] [C:50c000] ramdisk-x86.rd MOE: cmdline: /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe rom/l4lx-gfx.cfg MOE: Starting: rom/ned rom/l4lx-gfx.cfg MOE: loading 'rom/ned' Ned says: Hi World! Ned: loading file: 'rom/l4lx-gfx.cfg' io | Io service io | Find root Pointer io | Find root Pointer: f09e0 io | ACPI: RSDP 0xf09e0 00014 (v00 BOCHS ) io | ACPI: RSDT 0xffffbc1 00034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) io | ACPI: FACP 0xffff1c0 00074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) io | ACPI: DSDT 0xfffe040 01180 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) io | ACPI: FACS 0xfffe000 00040 io | ACPI: SSDT 0xffff234 008DD (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) io | ACPI: APIC 0xffffb11 00078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) io | ACPI: HPET 0xffffb89 00038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) io | Parsing all Control Methods: io | Table [DSDT](id 0001) - 144 Objects with 18 Devices 52 Methods 8 Regions io | Parsing all Control Methods: io | Table [SSDT](id 0002) - 155 Objects with 32 Devices 42 Methods 1 Regions io | tbxfload-0274 [02] TbLoadNamespace : ACPI Tables successfully acquired io | evxfevnt-0175 [02] Enable : Transition to ACPI mode successful io | evgpeblk-0523 [04] EvCreateGpeBlock : GPE 00 to 0F [_GPE] 2 regs on int 0x9 io | Completing Region/Field/Buffer/Package initialization:..................................... io | Initialized 9/9 Regions 2/2 Fields 21/21 Buffers 5/5 Packages (308 nodes) io | Initializing Device/Processor/Thermal objects by executing _INI methods: io | Executed 0 _INI methods requiring 1 _STA executions (examined 53 objects) io | ACPICA-Version:20121018, System in ACPI MODE, 32bit timer io | evgpeblk-0615 [03] EvInitializeGpeBlock : Enabled 16 GPEs in this block io | IRQ [00000000000000-00000000000000 1] none (32bit) (align=0 flags=40201) io | IRQ [00000000000000-00000000000000 1] none (32bit) (align=0 flags=40201) io | rom/l4lx-x86.io:17.28-36: warning: could not find 'PNP0100' io | Ready. Waiting for request. mag | Hello from MAG fb-drv | Trying execution of ``set VBE mode'' using x86emu fb-drv | Found VESA BIOS version 3.0 fb-drv | OEM SeaBIOS VBE(C) 2011 fb-drv | VBE mode 0x117 successfully set. fb-drv | Framebuffer memory: phys: fc000000 - fc400000 fb-drv | virt: 400000 - 800000 fb-drv | Starting server loop mag | mapped frame buffer at 0x400000 mag | View::Info: mag | flags: 0 mag | size: 1024x768 pos: 0, 0 mag | bytes_per_line: 2048 mag | buffer_offset: 0 mag | RGBA(2): 5(11):6(5):5(0):0(0) mag | memory 400000-800000 mag | Plugin: Mag_client service started mag | Plugin: Frame-buffer service started mag | L4INPUT native mode activated mag | L4INPUT: !!! W A R N I N G !!! mag | L4INPUT: Please, do not use Fiasco's "-esc" with L4INPUT. mag | L4INPUT: !!! W A R N I N G !!! mag | serio: i8042 AUX port at 0x60,0x64 irq 12 mag | serio: i8042 KBD port at 0x60,0x64 irq 1 mag | input: ImExPS/2 Generic Explorer Mouse on isa0060/serio1 mag | input: AT Translated Set 2 keyboard on isa0060/serio0 mag | connect "ImExPS/2 Generic Explorer Mouse", isa0060/serio1/input0 mag | connect "AT Translated Set 2 keyboard", isa0060/serio0/input0 l4linux | PH 0 (t: 1) offs=00001000 vaddr=00400000 vend=006dc000 l4linux | phys=00400000 ephys=006dc000 l4linux | f_sz=002dc000 memsz=002dc000 flgs=r-x l4linux | PH 1 (t: 1) offs=002dd000 vaddr=006dc000 vend=007d8000 l4linux | phys=006dc000 ephys=007d8000 l4linux | f_sz=00050f30 memsz=000fc000 flgs=rw- l4linux | PH 2 (t: 4) offs=0023cd64 vaddr=0063bd64 vend=0063bd88 l4linux | phys=0063bd64 ephys=0063bd88 l4linux | f_sz=00000024 memsz=00000024 flgs=--- l4linux | Starting binary at 0x400000, argc=6 argv=0xafff4f90 *argv=0xb1007ff4 argv0=rom/vmlinuz l4linux | External resolver is at 0xa8000730 l4linux | ======> L4Linux starting... <======== l4linux | Linux version 3.16.0-l4 (lhj@ubuntu) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #1 Tue May 26 16:58:34 CST 2015 l4linux | Binary name: rom/vmlinuz l4linux | Linux kernel command line (5 args): mem=64M console=tty0 l4x_rd=rom/ramdisk-x86.rd root=1:0 ramdisk_size=4000 l4linux | CPU mapping (l:p)[1]: 0:0 l4linux | Image: 00400000 - 007d8000 [3936 KiB]. l4linux | Areas: Text: 00400000 - 006dc000 [2928kB] (a bit longer) l4linux | Data: 006dc000 - 00706ac0 [170kB] l4linux | Initdata: 00709000 - 0072d000 [144kB] l4linux | BSS: 0072e000 - 007c2000 [592kB] l4linux | gs=43 fs=43 l4linux | Device scan: l4linux | Device: L4ICU l4linux | Device: PCI0 l4linux | Device: pci_l4x[0000] l4linux | PORT: 0000c040 - 0000c04f l4linux | PORT: 000001f0 - 000001f7 l4linux | PORT: 000003f6 - 000003f6 l4linux | IRQ: 0000000e - 0000000e l4linux | PORT: 00000170 - 00000177 l4linux | PORT: 00000376 - 00000376 l4linux | IRQ: 0000000f - 0000000f l4linux | Device: pci_l4x[0001] l4linux | IRQ: 0000000b - 0000000b l4linux | MEM: febc0000 - febdffff l4linux | PORT: 0000c000 - 0000c03f l4linux | Device scan done. l4linux | l4x_fiasco_gdt_entry_offset = 9 l4linux | rtc not found l4linux | WARNING: RTC server does not seem to be there! l4linux | l4lx_thread_create: Created thread 417 (cpu0) (u:b3000e00, v:b3000c00, sp:006ddfac) l4linux | main thread will be 417 l4linux | l4x_register_pointer_section: addr = 006dc000 size = 1032192 l4linux | section-with-init: Virt: 0x6dc000 to 0x7d7fff [1008 KiB] l4linux | section-with-init: Phys: 0x0090f000 to 0x00a0afff, [1008 KiB] l4linux | Main thread running, waiting... l4linux | WARNING: Unknown wrmsr: 0000008b at 0x411f0d l4linux | L4x: Memory size: 64MB l4linux | L4x: Setting superpages for main memory l4linux | L4x: Adjusted memory start: 00400000 l4linux | Main memory: Virt: 0x800000 to 0x47fffff [65536 KiB] l4linux | Main memory: Phys: 0x03400000 to 0x073fffff, [65536 KiB] l4linux | l4x: vmalloc area: 04800000 - 0c800000 l4linux | Filling lower ptabs... l4linux | Done (1062 entries). l4linux | l4x_register_pointer_section: addr = 00400000 size = 2998272 l4linux | text: Virt: 0x400000 to 0x6dbfff [2928 KiB] l4linux | text: Phys: 0x00614000 to 0x008effff, [2928 KiB] l4linux | Loading: rom/ramdisk-x86.rd l4linux | INITRD: Size of RAMdisk is 3072KiB l4linux | RAMdisk from 0c91b000 to 0cc1b000 [3072KiB] l4linux | rtc not found l4linux | l4lx_thread_create: Created thread 41f (timer0) (u:b3000a00, v:00000000, sp:0075bfa8) l4linux | WARNING: Unknown wrmsr: 0000008b at 0x411f0d l4linux | WARNING: Unknown rdmsr: 00000186 at 0x710579 l4linux | WARNING: Unknown rdmsr: 00000187 at 0x710579 l4linux | WARNING: Unknown wrmsr: 000000c1 at 0x71064a mag | Input: new pointer device (src='<Input_source userdata: 1D80C>' stream='userdata: 0x3abb4') mag | bus='i8042' vendor=0x2 product=0x6 version=0 mag | Input: new keyboard device (src='<Input_source userdata: 1D80C>' stream='userdata: 0x3b358') mag | bus='i8042' vendor=0x1 product=0x1 version=43841 And I printed my screen. See attached png-file. Thanks for any reply! [View Less]

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Running L4Linux + Fiasco on Freescale i.MX 6 Sabre SD
by Mahdi Aichouch 28 May '15

28 May '15

Hello, I tried to run L4Linux + Fiasco on a Freescale i.mx 6 Sabre SD board. The L4Linux is started but it stops at loading the ramdisk, as shown in the debug messages below. Does someone has an idea of what might be wrong. Thank you very much in advance. Best regards, Mahdi L4 Bootstrapper Build: #80 Wed May 27 18:22:31 CEST 2015, 4.8.3 20140320 (prerelease) Scanning up to 256 MB RAM, starting at offset 32MB Memory size is 256MB (10000000 - 1fffffff) RAM: 0000000010000000 - … [View More]000000001fffffff: 262144kB Total RAM: 256MB Scanning fiasco Scanning sigma0 Scanning moe Moving up to 10 modules behind 11100000 moving module 02 { 118aa000-118e363f } -> { 1199a000-119d363f } [235072] moving module 01 { 118a0000-118a938b } -> { 11990000-1199938b } [37772] moving module 00 { 11848000-1189fb17 } -> { 11938000-1198fb17 } [359192] moving module 09 { 11548000-11847fff } -> { 11638000-11937fff } [3145728] moving module 08 { 111d6000-11547497 } -> { 112c6000-11637497 } [3609752] moving module 07 { 111d5000-111d50bc } -> { 112c5000-112c50bc } [189] moving module 06 { 1107e000-111d446f } -> { 1116e000-112c446f } [1401968] moving module 05 { 1107d000-1107d17b } -> { 1116d000-1116d17b } [380] moving module 04 { 1102a000-1107cc1f } -> { 1111a000-1116cc1f } [338976] moving module 03 { 11010000-11029473 } -> { 11100000-11119473 } [103540] Loading fiasco Loading sigma0 Loading moe find kernel info page... found kernel info page at 0x10002000 Regions of list 'regions' [ 10000000, 1000015f] { 160} Root mbi_rt [ 10001000, 10001aff] { b00} Kern fiasco [ 10002000, 10066fff] { 65000} Kern fiasco [ 10090000, 10096edf] { 6ee0} Sigma0 sigma0 [ 10098000, 1009e177] { 6178} Sigma0 sigma0 [ 10140000, 10171d77] { 31d78} Root moe [ 10178000, 101934ab] { 1b4ac} Root moe [ 11000000, 1100f58f] { f590} Boot bootstrap [ 11100000, 11937fff] { 838000} Root Module API Version: (87) experimental Sigma0 config ip:10090100 sp:00000000 Roottask config ip:10140260 sp:00000000 Starting kernel fiasco at 100012c8 Number of IRQs available at this GIC: 160 FPU0: Arch: VFPv3(3), Part: VFPv3(30), r: 4, v: 9, i: 41, t: hard, p: dbl/sngl L2: ID=410000c7 Type=9e340340 Aux=02070000 WMask=ffff S=0 L2: Type L2C-310 Size = 1024kB Ways=16 Waysize=64 GIC: Switching IRQ 58 to secure SERIAL ESC: allocated IRQ 58 for serial uart Not using serial hack in slow timer handler. Welcome to Fiasco.OC (arm)! L4/Fiasco.OC arm microkernel (C) 1998-2013 TU Dresden Rev: rexported compiled with gcc 4.8.3 for i.MX6 [] Build: #14 Wed Apr 29 13:37:03 CEST 2015 GIC: Switching IRQ 29 to secure Calibrating timer loop... done. MDB: use page size: 20 MDB: use page size: 12 SIGMA0: Hello! KIP @ 10002000 allocated 4KB for maintenance structures SIGMA0: Dump of all resource maps RAM:------------------------ [4:10000000;10000fff] [0:10067000;1008ffff] [0:10097000;10097fff] [0:1009f000;1013ffff] [4:10140000;10171fff] [0:10172000;10177fff] [4:10178000;10193fff] [0:10194000;110fffff] [4:11100000;11937fff] [0:11938000;1effffff] IOMEM:---------------------- [0:0;fffffff] [0:20000000;ffffffff] MOE: Hello world MOE: found 236564 KByte free memory MOE: found RAM from 10000000 to 1f000000 MOE: allocated 240 KByte for the page array @0x1009f000 MOE: virtual user address space [0-bfffffff] MOE: rom name space cap -> [C:501000] BOOTFS: [11100000-11119474] [C:503000] l4re BOOTFS: [1111a000-1116cc20] [C:504000] ned BOOTFS: [1116d000-1116d17c] [C:505000] l4lx.cfg BOOTFS: [1116e000-112c4470] [C:506000] io BOOTFS: [112c5000-112c50bd] [C:507000] arm-rv.io BOOTFS: [112c6000-11637498] [C:508000] vmlinuz.arm BOOTFS: [11638000-11938000] [C:509000] ramdisk-arm.rd MOE: cmdline: moe rom/l4lx.cfg MOE: Starting: rom/ned rom/l4lx.cfg MOE: loading 'rom/ned' Ned says: Hi World! Ned: loading file: 'rom/l4lx.cfg' l4linux | libio: Warning: Query of 'vbus' failed! l4linux | PH 0 (t: 1) offs=00008000 vaddr=02000000 vend=023defa8 l4linux | phys=02000000 ephys=023defa8 l4linux | f_sz=00359394 memsz=003defa8 flgs=rwx l4linux | PH 1 (t: 4) offs=0031afe0 vaddr=02312fe0 vend=02313004 l4linux | phys=02312fe0 ephys=02313004 l4linux | f_sz=00000024 memsz=00000024 flgs=r-x l4linux | PH 2 (t: 1685382481) offs=00000000 vaddr=00000000 vend=00000000 l4linux | phys=00000000 ephys=00000000 l4linux | f_sz=00000000 memsz=00000000 flgs=rwx l4linux | Starting binary at 0x20002b0, argc=6 argv=0xafff4f8c *argv=0xb1007ff0 argv0=rom/vmlinuz.arm l4linux | External resolver is at 0xa8000788 l4linux | ======> L4Linux starting... <======== l4linux | Linux version 3.16.0-l4 (aichouch@aichouch-ThinkCentre-M90) (gcc version 4.8.3 20140320 (prerelease) (Sourcery CodeBench Lite 2014.05-29) ) #1 Wed May 27 18:04:14 CEST 2015 l4linux | Binary name: rom/vmlinuz.arm l4linux | This is an AEABI build. l4linux | Linux kernel command line (5 args): mem=64M console=ttyLv0 l4x_rd=rom/ramdisk-arm.rd root=1:0 ramdisk_size=4000 l4linux | CPU mapping (l:p)[1]: 0:0 l4linux | Image: 02000000 - 02400000 [4096 KiB]. l4linux | Areas: Text: 02000000 - 02332000 [3272kB] (a bit longer) l4linux | Data: 02332000 - 023543a0 [136kB] l4linux | Initdata: 02314000 - 02331024 [116kB] l4linux | BSS: 02359394 - 023defa8 [535kB] l4linux | Device scan: l4linux | Device scan done. l4linux | l4lx_thread_create: Created thread 413 (cpu0) (u:b3000e00, v:b3000c00, sp:02333fa4) l4linux | main thread will be 413 l4linux | l4x_register_pointer_section: addr = 02000000 size = 4059136 l4linux | section-with-init: Virt: 0x2000000 to 0x23defa7 [3963 KiB] l4linux | section-with-init: Phys: 0x1025a000 to 0x10638fa7, [3963 KiB] l4linux | Main thread running, waiting... l4linux | L4x: Memory size: 64MB l4linux | L4x: Setting superpages for main memory l4linux | L4x: Adjusted memory start: 02000000 l4linux | Main memory: Virt: 0x2400000 to 0x63fffff [65536 KiB] l4linux | Main memory: Phys: 0x11a00000 to 0x159fffff, [65536 KiB] l4linux | l4x: vmalloc area: 06400000 - 0e400000 l4linux | l4x_register_pointer_section: addr = 02000000 size = 4059136 l4linux | text: Virt: 0x2000000 to 0x23defa7 [3963 KiB] l4linux | text: Phys: 0x1025a000 to 0x10638fa7, [3963 KiB] l4linux | Loading: rom/ramdisk-arm.rd l4linux | INITRD: Size of RAMdisk is 3072KiB l4linux | RAMdisk from 00002000 to 00302000 [3072KiB] l4linux | 'swp(b)' instruction at 0224f728 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? l4linux | 'swp(b)' instruction at 02161dd4 and faulting. l4linux | Linux built for the wrong ARM version? ... 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l4-hackers May 2015