[FFmpeg-trac] #6554(undetermined:new): fate-sws-pixdesc-query fails on big-endian systems

[FFmpeg]

#6554: fate-sws-pixdesc-query fails on big-endian systems
-------------------------------------+-------------------------------------
             Reporter:  jcowgill     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by jcowgill):

 Backtrace:

 {{{
 Thread 4 received signal SIGINT, Interrupt.
 0x010e99ac in ?? () from /lib/i386-gnu/libc.so.0.3
 (gdb) bt full
 #0  0x010e99ac in ?? () from /lib/i386-gnu/libc.so.0.3
 No symbol table info available.
 #1  0x010ea146 in mach_msg () from /lib/i386-gnu/libc.so.0.3
 No symbol table info available.
 #2  0x014a815f in task_info () from /lib/i386-gnu/libmachuser.so.1
 No symbol table info available.
 #3  0x01199293 in clock () from /lib/i386-gnu/libc.so.0.3
 No symbol table info available.
 #4  0x0804883b in get_generic_seed () at ../../libavutil/random_seed.c:90
         t = 641
         tmp = {387303105400112, 38673001005, 42969484128,
 78615687009941752, 75873809939188576, 78620694928044032,
 577779685240228704, 85058219524751369, 387303004453112, 85058219543056457,
 85058219544548416,
           78402587912583416, 42969484128, 12884901896, 85088318678018268}
         sha = 0x2003860
         last_t = 641
         last_td = 0
         init_t = 1
         i = 0
         buffer = {4037960086, 0 <repeats 511 times>}
         digest =
 "HvO\001\001\000\000\000\264\006\000\000\t\000\000\000\b\000\000"
         last_i = 0
 #5  0x08048b93 in main () at random_seed.c:40
         i = 0
         j = 255
         rsf = 1
         retry = 0
         seeds = {3026426818, 749081207, 3405689109, 2546097460,
 2465360384, 2570893202, 2606530739, 3431220608, 4008492973, 4143899524,
 3096593066, 3371987955, 161614033, 4016259976, 1587062487, 2909450168,
           961409833, 1528982980, 430515943, 1219905367, 946159253,
 3976062468, 1828855618, 956069965, 3876946781, 1018124518, 4145421369,
 3807256498, 444452848, 1657368324, 2458199673, 257501308, 1739610353,
           1373478905, 2117080854, 151405535, 2290341868, 3780133243,
 1368163935, 3202180119, 2637010907, 1100575305, 1456524694, 882326751,
 3334169915, 2129951371, 3956716445, 399142705, 2170315480,
           3305729945, 2083140767, 2015169219, 477127453, 475613857,
 3739234530, 413746865, 2268823968, 3753322342, 2961884903, 1354733529,
 1507788407, 1233258061, 3603145843, 2192954428, 4229001233,
           3216668262, 579491661, 2138090065, 3685236866, 2984253194,
 54627836, 929924828, 3646562495, 1493379580, 4044377288, 431147217,
 997609147, 3668802732, 3514334747, 4085542059, 629101389, 2737498713,
           859401195, 2174687119, 1191002800, 3820981330, 2545648833,
 1606576600, 626284401, 2516589224, 1907199421, 2236211742, 525368065,
 4115173640, 1588847978, 1159018275, 3715070319, 3567023292,
           1267011720, 1762308733, 246622143, 70677152, 1595357820,
 308965094, 1974368370, 990715666, 2250138124, 2758413313, 1775194560,
 1149142321, 1837005977, 4241005723, 4291168285, 1703908866, 4147093488,
           913618321, 1771069384, 665871157, 3307654714, 4027190694,
 1975404472, 893272191, 1825290548, 997863337, 4161407269, 4008529609,
 565241568, 3506564495, 2237898027, 1607166753, 946714134, 3117344332,
           1052218635, 329902760, 1882670529, 441599823, 2385984031,
 3233865550, 3850945799, 3799636505, 52718127, 1775653579, 1963401624,
 628156090, 1221124682, 2942415934, 1695709341, 507581681, 1910020354,
           2795648124, 4260364079, 1813438959, 748455325, 1936854498,
 2761596219, 1911994450, 3981442224, 2889306495, 3822613539, 1151902896,
 2730053681, 1751670493, 170478344, 2984665039, 255473563,
           1852476406, 2786529241, 2695592260, 2762014264, 2091792306,
 2866572911, 96985045, 377559064, 3453523507, 3562902117, 2446243452,
 1633322373, 1463471211, 1540420494, 1934685369, 3551561957,
           2562995843, 3644488024, 286887234, 4827121, 1868831162,
 4289117515, 1766023351, 254644180, 701130441, 1783012531, 3268231355,
 3021441448, 48872940, 3682049179, 3161803385, 2297713071, 3032162227,
           1470575590, 2078575939...}
         random_seed = {0x8048af8 <av_get_random_seed>, 0x8048791
 <get_generic_seed>}
 }}}

 FYI, I posted this thread on the debian-hurd list because it seems to me
 that {{{clock}}} is returning values of the wrong precision (1000 clock
 ticks per second instead of 1000000). If I multiply the return value of
 {{{clock}}} by 1000, then {{{get_generic_seed}}} does eventually return,
 but it takes about 1 minute for the second "seeds OK" to print (but maybe
 that's good enough for Hurd?)

 https://lists.debian.org/debian-hurd/2017/07/msg00054.html

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6554#comment:5>
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