Comment 11 for bug 1877095

More verbose:

-----------
(gdb) bt -full -entry-values both
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
No locals.
#1 0x000055ecbecd3522 in get_format_paper (val=0x7f3ab18aba8d "12",
    val@entry=0x7f3ab18ab690 "{x-dimension=18415 y-dimension=26670},{x-dimension=21590 y-dimension=27940},{x-dimension=20320 y-dimension=25400},{x-dimension=13970 y-dimension=21590},{x-dimension=14800 y-dimension=21000},{x-dimensi"...)
    at ./src/capabilities.c:219
        test1 = <optimized out>
        test2 = '\000' <repeats 254 times>
        tmp = 0x0
        a = <optimized out>
        x_dim_max = 21590
        x_dim = 10160
        y_dim_max = 30480
        y_dim = 12700
#2 0x000055ecbecd3a12 in ipp_request (printer=0x7f3aac000b60,
    printer@entry=0x7f3aac000b60, port=<optimized out>,
    port@entry=<optimized out>) at ./src/capabilities.c:297
        attr_name = 0x7f3aac028534 "media-size-supported"
        http = 0x7f3aac002420
        request = <optimized out>
        response = 0x7f3aac0087d0
        attr = 0x7f3aac029c30
--Type <RET> for more, q to quit, c to continue without paging--
        uri = "http://127.0.0.1:60000/ipp/print", '\000' <repeats 991 times>
        buffer = "{x-dimension=18415 y-dimension=26670},{x-dimension=21590 y-dimension=27940},{x-dimension=20320 y-dimension=25400},{x-dimension=13970 y-dimension=21590},{x-dimension=14800 y-dimension=21000},{x-dimensi"...
#3 0x000055ecbecd108c in dnssd_escl_register (data=0x55ecbf584870,
    data@entry=<optimized out>) at ./src/dnssd.c:226
        uscan_txt = <optimized out>
        ipp_txt = 0x55ecbf584870
        scanner = 0x0
        error = <optimized out>
        temp = '\000' <repeats 255 times>
        printer = 0x7f3aac000b60
#4 0x00007f3ab4f7d609 in start_thread (arg=<optimized out>,
    arg@entry=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139890063492864,
                5850024025269200107, 140734207842846, 140734207842847,
                140734207842848, 139890063490304, -5811307293921516309,
                -5811301356907404053}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
              canceltype = 0}}}
        not_first_call = 0
--Type <RET> for more, q to quit, c to continue without paging--
#5 0x00007f3ab4c10103 in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
(gdb)
(gdb)
(gdb) bt -full -entry-values both
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
No locals.
#1 0x000055ecbecd3522 in get_format_paper (val=0x7f3ab18aba8d "12",
    val@entry=0x7f3ab18ab690 "{x-dimension=18415 y-dimension=26670},{x-dimension=21590 y-dimension=27940},{x-dimension=20320 y-dimension=25400},{x-dimension=13970 y-dimension=21590},{x-dimension=14800 y-dimension=21000},{x-dimensi"...)
    at ./src/capabilities.c:219
        test1 = <optimized out>
        test2 = '\000' <repeats 254 times>
        tmp = 0x0
        a = <optimized out>
        x_dim_max = 21590
        x_dim = 10160
        y_dim_max = 30480
        y_dim = 12700
#2 0x000055ecbecd3a12 in ipp_request (printer=0x7f3aac000b60,
    printer@entry=0x7f3aac000b60, port=<optimized out>,
    port@entry=<optimized out>) at ./src/capabilities.c:297
        attr_name = 0x7f3aac028534 "media-size-supported"
        http = 0x7f3aac002420
        request = <optimized out>
        response = 0x7f3aac0087d0
        attr = 0x7f3aac029c30
--Type <RET> for more, q to quit, c to continue without paging--
        uri = "http://127.0.0.1:60000/ipp/print", '\000' <repeats 991 times>
        buffer = "{x-dimension=18415 y-dimension=26670},{x-dimension=21590 y-dimension=27940},{x-dimension=20320 y-dimension=25400},{x-dimension=13970 y-dimension=21590},{x-dimension=14800 y-dimension=21000},{x-dimensi"...
#3 0x000055ecbecd108c in dnssd_escl_register (data=0x55ecbf584870,
    data@entry=<optimized out>) at ./src/dnssd.c:226
        uscan_txt = <optimized out>
        ipp_txt = 0x55ecbf584870
        scanner = 0x0
        error = <optimized out>
        temp = '\000' <repeats 255 times>
        printer = 0x7f3aac000b60
#4 0x00007f3ab4f7d609 in start_thread (arg=<optimized out>,
    arg@entry=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139890063492864,
                5850024025269200107, 140734207842846, 140734207842847,
                140734207842848, 139890063490304, -5811307293921516309,
                -5811301356907404053}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
              canceltype = 0}}}
        not_first_call = 0
--Type <RET> for more, q to quit, c to continue without paging--
#5 0x00007f3ab4c10103 in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
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