[Barrelfish-users] tracing framework

Antonio Barbalace antoniob at vt.edu
Mon Nov 17 15:46:31 CET 2014

Dear all,

I am now trying to boot with the tracing framework enabled in order to
debug what is going on with the applications I am testing. Therefore I have
enabled tracing in build/hake/Congif.hs (following suggestions I tried with
and without "trace_disable_lrpc" enabled). However I get the error
attached. It is about memory. Can you please advice?

addr2line -a -p -f -e monitor 43b758
0x000000000043b758: refill_slabs at
lib/barrelfish/target/x86_64/pmap_target.c:463 (discriminator 1)

static errval_t refill_slabs(struct pmap_x86 *pmap, size_t request)
    errval_t err;
        /* If we do not have enough slabs to map the frame in, recurse */
        size_t required_slabs_for_frame = max_slabs_for_mapping(bytes);
        if (slab_freecount(&pmap->slab) < required_slabs_for_frame) {
            // If we recurse, we require more slabs than to map a single
            assert(required_slabs_for_frame > 4);
<<<<<<<<<<<<<<<<<<<<<<<<<<<< ERROR LINE

many thanks,

Dr. Eng. Antonio Barbalace, PhD
Systems Software Research Group (SSRG)
Bradley Department of Electrical and Computer Engineering
Virginia Tech
453 Durham Hall (0111)
Blacksburg, VA 24061
phone: +1 (540) 231-2494
email: antoniob at vt.edu
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