Re: l4-hackers Digest, Vol 148, Issue 3

Thanks for your kid reply.


I've done changes according to you suggestions.

But still getting same issue....

Thanks,
Sekhar

On Wed, Aug 5, 2015 at 3:30 PM, <[email protected]>
wrote:

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> Today's Topics:
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>    1. Re: L4Re: unhandled exception while building Fiasco.OC-L4Re
>       for ARM platform (Adam Lackorzynski)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 4 Aug 2015 21:35:09 +0200
> From: Adam Lackorzynski <[email protected]>
> To: [email protected]
> Subject: Re: L4Re: unhandled exception while building Fiasco.OC-L4Re
>         for ARM platform
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=iso-8859-1
>
> Hi,
>
> On Mon Aug 03, 2015 at 12:33:05 +0530, Raja Sekhar wrote:
> > I'm getting unhandled exception while running clntsrv example
> >
> >
> > I've build Fiasco-L4Re system with the following specifications
> > *Fiasco.OC:*
> >     Architecture (ARM processor family)
> >     Platform (ARM RealView Platform)
> >     Realview Platform (PBX)
> >     Start of RAM (physical address) (0x00000000)
> >     CPU (ARM Cortex-A9 CPU)
> > *L4Re:*
> >     Target Architecture (ARM architecture)
> >     CPU variant (ARMv4 type CPU)
>
> Could you switch to ARMv7 here as this is the corresponding version for
> a Cortex-A9.
>
> >     Platform Selection (ARM Realview PBX)
> >
> > and *trying to run examples/clntsrv* by adding the following entry in
> > module.list
> >
> > entry clntsrv
> > bootstrap bootstrap -serial
> > kernel fiasco -serial_esc
> > roottask moe rom/clntsrv.cfg
> > module clntsrv.cfg
> > module l4re
> > module ned
> > module ex_clntsrv-server
> > module ex_clntsrv-client
> >
> > Creating image:
> >
> > make elfimage E=clntsrv
> > MODULE_SEARCH_PATH=`pwd`/../Fiasco.OC:`pwd`/source/pkg/examples/clntsrv
> >
> > Running image on QEMU:
> >
> > qemu-system-arm -M realview-pbx-a9 --kernel images/bootstrap_clntsrv
> > -m 256M -serial /dev/pts/4
> >
> > L4 Bootstrapper
> >   Build: #56 Thu Jul 30 23:21:33 IST 2015, 4.7.3 20130226 (prerelease)
> >   Scanning up to 256 MB RAM
> >   Memory size is 256MB (00000000 - 0fffffff)
> >   RAM: 0000000000000000 - 000000000fffffff: 262144kB
> >   Total RAM: 256MB
> >   mod07: 0113d000-011565bc: ex_clntsrv-client
> >   mod06: 01123000-0113c5c0: ex_clntsrv-server
> >   mod05: 010d0000-01122bf4: ned
> >   mod04: 010b6000-010cf49c: l4re
> >   mod03: 010b5000-010b52a6: clntsrv.cfg
> >   mod02: 01083000-010b4668: moe
> >   mod01: 01079000-01082380: sigma0
> >   mod00: 01015000-01078770: fiasco
> >   Moving up to 8 modules behind 1100000
> >   moving module 00 { 1015000-107876f } -> { 1242000-12a576f } [407408]
> >   moving module 01 { 1079000-108237f } -> { 12a6000-12af37f } [37760]
> >   moving module 02 { 1083000-10b4667 } -> { 12b0000-12e1667 } [202344]
> >   moving module 03 { 10b5000-10b52a5 } -> { 1157000-11572a5 } [678]
> >   moving module 04 { 10b6000-10cf49b } -> { 1158000-117149b } [103580]
> >   moving module 05 { 10d0000-1122bf3 } -> { 1172000-11c4bf3 } [338932]
> >   moving module 06 { 1123000-113c5bf } -> { 1100000-11195bf } [103872]
> >   moving module 07 { 113d000-11565bb } -> { 111a000-11335bb } [103868]
> >   moving module 03 { 1157000-11572a5 } -> { 1134000-11342a5 } [678]
> >   moving module 04 { 1158000-117149b } -> { 1135000-114e49b } [103580]
> >   moving module 05 { 1172000-11c4bf3 } -> { 114f000-11a1bf3 } [338932]
> >   Scanning fiasco -serial_esc
> >   Scanning sigma0
> >   Scanning moe rom/clntsrv.cfg
> >   Relocated mbi to [0x100e000-0x100e140]
> >   Loading fiasco
> >   Loading sigma0
> >   Loading moe
> >   find kernel info page...
> >   found kernel info page at 0x2000
> > Regions of list 'regions'
> >     [     1000,      1abf] {      ac0} Kern   fiasco
> >     [     2000,     72fff] {    71000} Kern   fiasco
> >     [    90000,     9643b] {     643c} Sigma0 sigma0
> >     [    98000,     9e17b] {     617c} Sigma0 sigma0
> >     [   140000,    16becb] {    2becc} Root   moe
> >     [   170000,    186f0f] {    16f10} Root   moe
> >     [  1000000,   10143f7] {    143f8} Boot   bootstrap
> >     [  100e000,   100e23d] {      23e} Root   Multiboot info
> >     [  1100000,   11a1bf3] {    a1bf4} Root   Module
> >   API Version: (87) experimental
> >   Sigma0 config    ip:00090100 sp:01013de4
> >   Roottask config  ip:001401fc sp:00000000
> >   Starting kernel fiasco at 000012b4
> > Realview System ID: Rev=0 HBI=178 Build=0 Arch=5 FPGA=00
> > Hello from Startup::stage2
> > Per_cpu_data_alloc: (orig: 0xf00605e8-0xf0060f68)
> > Number of IRQs available at this GIC: 96
> > Cache config: ON
> > ID_PFR[01]:  00001031 00000001 ID_[DA]FR0: 00000000 00000000
> > ID_MMFR[04]: 00100103 20000000 01230000 00002111
> > L2: ID=410000c8 Type=1c100100 Aux=30520000 WMask=ff S=0
> > L2: Type L2C-310 Size = 128kB
> > SERIAL ESC: allocated IRQ 44 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 4.7.3 for Realview    []
> > Build: #4 Tue Jul 28 22:46:31 IST 2015
> >
> > Per_cpu_data_alloc: (orig: 0xf00605e8-0xf0060f68)
> > Allocate 2432 bytes (2KB) for CPU[4] local storage (offset=1187a18,
> > 0xf11e8000-0xf11e8980)
> > Number of CPUs: 1
> > Calibrating timer loop... done.
> > SIGMA0: Hello!
> >   KIP @ 2000
> >   allocated 4KB for maintenance structures
> > SIGMA0: Dump of all resource maps
> > RAM:------------------------
> > [0:0;fff]
> > [0:73000;8ffff]
> > [0:97000;97fff]
> > [0:9f000;13ffff]
> > [4:140000;16bfff]
> > [0:16c000;16ffff]
> > [4:170000;186fff]
> > [0:187000;100dfff]
> > [4:100e000;100efff]
> > [0:100f000;10fffff]
> > [4:1100000;11a1fff]
> > [0:11a2000;effffff]
> > IOMEM:----------------------
> > [0:10000000;ffffffff]
> > MOE: Hello world
> > MOE: found 244324 KByte free memory
> > MOE: found RAM from 73000 to f000000
> > MOE: allocated 239 KByte for the page array @0x9f000
> > MOE: virtual user address space [0-bfffffff]
> > MOE: rom name space cap -> [C:501000]
> >   BOOTFS: [1134000-11342a6] [C:503000] clntsrv.cfg
> >   BOOTFS: [1135000-114e49c] [C:504000] l4re
> >   BOOTFS: [114f000-11a1bf4] [C:505000] ned
> >   BOOTFS: [1100000-11195c0] [C:506000] ex_clntsrv-server
> >   BOOTFS: [111a000-11335bc] [C:507000] ex_clntsrv-client
> > MOE: cmdline: moe rom/clntsrv.cfg
> > MOE: Starting: rom/ned rom/clntsrv.cfg
> > MOE: loading 'rom/ned'
> > Ned says: Hi World!
> > ****I am in luaK_prefix()****
> > L4Re: unhandled exception: pc=0x1021984
> >
> > I have gone through the code flow for "ned" and I found that the
> > exception is raising while loading ned.lua script,
> > At certain point luaK_prefix() is trying to call codearith() but
> > failed to call codearith().
> > both the function are located at l4re/pkg/lua/lib/contrib/src/lcode.c
> >
> > I'm able to get print statement which I placed before calling the
> > codearith() in luaK_prefix(),
> > But not printing the statement which I placed inside the codearith()
> >
> > Can you please get me out from this issue.
>
> Please check whether this persists after recompiling for ARMv7.
> If not, I'd like to know which instruction/code is at 0x1021984.
>
>
>
> Adam
> --
> Adam                 [email protected]
>   Lackorzynski         http://os.inf.tu-dresden.de/~adam/
>
>
>
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> ------------------------------
>
> End of l4-hackers Digest, Vol 148, Issue 3
> ******************************************
>



-- 






*Thanks & Regards*
Raja Sekhar Reddy. B

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