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I Forwarded my responses to the list, but I'll summarize what's going on....</span></font>
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I can compile/upload/execute all(I believe) of the samples from the testsuites.</span></font>
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when I try to initialize the network using a non-loopback interface, the execution </span></font>
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dips into some black hole where I can't trace it. I have been able to trace the code into </span></font>
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http.c::init()</span></font>
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|--rtems_glue.c::rtems_bsdnet_initialize_network()</span></font>
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|--rtems_glue.c::rtems_bsdnet_initialize()</span></font>
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| |--rtems_glue.c::bsd_init()</span></font>
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| |--</span></font>
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blah blah blah <makes it past all of this></span></font>
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|</span></font>
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|--rtems_glue.c::rtems_bsdnet_attach(ifp) </span></font>
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| |-- </span></font>
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blah blah blah <makes it past all of this></span></font>
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| |--rtems_glue.c::rtems_bsdnet_setup()</span></font>
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</span></font>
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|</span></font>
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|--rtems_glue.c::rtems_bsdnet_ifconfig()</span></font>
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|---rtems_glue.c::rtems_bsdnet_semaphore_obtain()</span></font>
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|--</span></font>
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blah blah blah <makes it past call to ioctl which I </span></font>
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believe "UP"s the interface...???></span></font>
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|---rtems_glue.c::rtems_bsdnet_semaphore_release() </span></font>
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<======here it dies, on/while returning from semaphore_release()></span></font>
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but i can't trace any further into it. At Joel's Suggestion, I added some LEDs to the board to
use in trouble shooting, but as of right now, I don't know where in the code to look/place
debugging code...</span></font>
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Thank you for your time.</span></font>
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Christopher Wolfe</span></font>
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Motion Control Systems, Inc. </span></font>
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On 21 Jun 2007 at 17:17, Chris Johns wrote:</span></font>
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> Hi Chris,</span></font>
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> </span></font>
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> Please cc me with responses. I know the Coldfire and the driver well enough to </span></font>
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> aid you in getting the web server to work.</span></font>
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> </span></font>
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> Regards</span></font>
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> Chris</span></font>
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> </span></font>
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> Joel Sherrill wrote:</span></font>
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> > CWolfe@motioncontrol.org wrote:</span></font>
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> >> On 20 Jun 2007 at 9:36, Joel Sherrill wrote:</span></font>
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> >></span></font>
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> >> </span></font>
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> >>> I actually don't have a 5235 so I have cc'ed Chris Johns since</span></font>
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> >>> I think he is way more familiar with the Coldfire BSPs.</span></font>
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> >>></span></font>
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> >>> This type of question is usually best asked on the list. There</span></font>
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> >>> are many people out there who and more eyes is good.</span></font>
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> >>> </span></font>
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> >></span></font>
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> >> what is the address to send to?</span></font>
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> >> </span></font>
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> > You have to be subscribed... see</span></font>
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> > http://www.rtems.org/wiki/index.php/RTEMSMailingLists</span></font>
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> > for instructions.</span></font>
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> > </span></font>
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> > If you spot something wrong in the Wiki, feel free</span></font>
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> > to create an account and fix it.</span></font>
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> > </span></font>
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> >>> My usual first questions are:</span></font>
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> >>></span></font>
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> >>> + Can you run ticker?</span></font>
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> >>> </span></font>
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> >></span></font>
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> >> haven't tried yet, will do so now.</span></font>
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> >> </span></font>
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> > If the clock tick interrupt isn't working, then</span></font>
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> > things aren't in good shape.</span></font>
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> >> </span></font>
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> >>> + Can you run netdemo?</span></font>
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> >>> </span></font>
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> >></span></font>
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> >> no, same issue with crashing on driver init (after releasing semaphore)</span></font>
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> >> </span></font>
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> > Maybe you are dying in the interrupt handler. Do you have some type of </span></font>
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> > exception handler of debugger</span></font>
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> > that can point you to an address. If not, do you have</span></font>
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> > an LED you could blink or some other bread crumb</span></font>
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> > you could post to note you entered the ISR.</span></font>
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> >> </span></font>
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> >>> + Are you using RPMs or your own tool builds.</span></font>
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> >>> </span></font>
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> >></span></font>
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> >> using cygwin so....</span></font>
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> >> own build tools. versions and patches are as follows <excerpted from </span></font>
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> >> our in-house toolchain build script>......</span></font>
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> >> GCC=gcc-4.1.1</span></font>
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> >> BINUTILS=binutils-2.17</span></font>
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> >> NEWLIB=newlib-1.14.0</span></font>
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> >> BDM=m68k-bdm-1.3.0</span></font>
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> >> GDB=gdb-6.0</span></font>
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> >> INSIGHT=insight-6.0</span></font>
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> >> AUTOCONF=autoconf-2.61</span></font>
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> >> AUTOMAKE=automake-1.10</span></font>
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> >> i'm actually not sure which patches have been appplied as the script </span></font>
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> >> automatically applies them. if necessary, i can dig into them and </span></font>
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> >> figure out which ones are actually applied, but i assume they are the </span></font>
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> >> most recent...</span></font>
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> >> </span></font>
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> > Are you sure about newlib 1.14? The 4.7 branch</span></font>
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> > should be built against 1.15.</span></font>
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> > </span></font>
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> > This isn't likely to be your problem but normally</span></font>
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> > RTEMS versions are carefully matched against</span></font>
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> > a specific newlib version and patch.</span></font>
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> >> </span></font>
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> >>> CWolfe@motioncontrol.org wrote:</span></font>
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> >>> </span></font>
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> >>>> Dear Joel, My name is Christopher Wolfe, and I am an Intern </span></font>
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> >>>> working for Motion Control Systems. Currently, I am working on an </span></font>
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> >>>> embedded management project with the coldfire 5235BCC eval board. I </span></font>
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> >>>> am having trouble with getting the webserver up and running, and I </span></font>
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> >>>> was wondering if you might know what I could do next to find the </span></font>
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> >>>> problem. I have based my code off of the http example, but I have </span></font>
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> >>>> had to make a few minor modifications to allow it to compile, as </span></font>
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> >>>> directories and whatnot are moved, etc. Anyway, when I upload the </span></font>
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> >>>> code and run it, it crashes in the network driver initialization. I </span></font>
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> >>>> have traced the execution as far into the code as I am able, but I </span></font>
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> >>>> lose track at specific point.</span></font>
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> >>>> execution makes it thru:</span></font>
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> >>>> http.c::init()</span></font>
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> >>>> |--rtems_glue.c::rtems_bsdnet_initialize_network()</span></font>
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> >>>> |--rtems_glue.c::rtems_bsdnet_initialize()</span></font>
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> >>>> | |--rtems_glue.c::bsd_init()</span></font>
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> >>>> | |--blah blah blah <makes it past all of this></span></font>
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> >>>> |</span></font>
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> >>>> |--rtems_glue.c::rtems_bsdnet_attach(ifp) | |-- blah blah </span></font>
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> >>>> blah <makes it past all of this></span></font>
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> >>>> | |--rtems_glue.c::rtems_bsdnet_setup()</span></font>
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> >>>> |--rtems_bsdnet_ifconfig()</span></font>
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> >>>> |---rtems_glue.c::rtems_bsdnet_semaphore_obtain()</span></font>
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> >>>> |--blah blah blah <makes it past call to ioctl which I </span></font>
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> >>>> believe "UP"s the interface...???></span></font>
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> >>>> |---rtems_glue.c::rtems_bsdnet_semaphore_release() <here </span></font>
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> >>>> it dies></span></font>
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> >>>></span></font>
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> >>>> as soon as the semaphore is released, i lose track of the execution </span></font>
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> >>>> of the code. where it should return to rtems_bsdnet_ifconfig(), it </span></font>
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> >>>> is not. debugging printf statements were placed as the very last </span></font>
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> >>>> statement inside the semaphore release code, and the first statement </span></font>
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> >>>> in rtems_bsdnet_ifconfig() after the call to release the semaphore.</span></font>
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> >>>> of the the two statements which should be executed, only the first </span></font>
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> >>>> is executed. afterwards, execution progresses into the </span></font>
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> >>>> rtems_bsdnet_semaphore_release's exit code.... never to return to </span></font>
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> >>>> the calling function .... and hence it is lost and i can't trace </span></font>
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> >>>> it with the tools i have.....</span></font>
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> >>>></span></font>
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> >>>> At this point in the initialization, what is going on? Are there </span></font>
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> >>>> other rtems processes which are taking control? where does the </span></font>
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> >>>> execution go after releasing that semaphore? what configuration </span></font>
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> >>>> issues could cause this symptom set?<<<i assume this to be the </span></font>
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> >>>> problem, but i just don't know enough about rtems yet>>></span></font>
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> >>>></span></font>
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> >>>> I include the configuration options/code i am using below.....</span></font>
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> >>>></span></font>
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> >>>> <<changes to makefile>></span></font>
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> >>>> LDFLAGS += -qnolinkcmds -T linkcmdsflash</span></font>
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> >>>> LD_LIBS += -lhttpd -lftpd</span></font>
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> >>>> <<changes to init.c>></span></font>
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> >>>> #include <rtems/confdefs.h> </span></font>
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> >>>> #include <rtems/ftpd.h></span></font>
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> >>>> << some printf()'s for debugging>></span></font>
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> >>>> <<changes to system.h>></span></font>
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> >>>> #include "tmacros" (file was not </span></font>
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> >>>> in include directory, but I copied it from the testsuites build </span></font>
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> >>>> directory)</span></font>
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> >>>> =======================================================================</span></font>
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> >>>></span></font>
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> >>>> otherwise, everything is the same as the example source. I am using </span></font>
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> >>>> rtems 4.7.1. Thank you for your time, and I would greatly appreciate </span></font>
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> >>>> any help you could give.</span></font>
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> >>>> Best Regards,</span></font>
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> >>>> Christopher Wolfe</span></font>
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> >>>> Motion Control Systems, Inc.</span></font>
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> >>>> </span></font>
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> >>>></span></font>
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> >>>></span></font>
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> >>>> </span></font>
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> >></span></font>
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> >></span></font>
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> >> </span></font>
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