Annotation of wikisrc/users/leot/aarch64_problems.mdwn, revision 1.10
1.1 leot 1: # Various (possible) problems of aarch64
2:
3: Here a list of possible problems of NetBSD/evbarm aarch64 that needs further
4: investigation in order to write proper PR or better yet to fix them!
5:
6:
7: ## `mpv` and NetBSD crashes
8: Just by invoking `mpv` via:
9:
1.9 leot 10: % mpv
1.1 leot 11:
1.9 leot 12: It SEGV as follows:
1.1 leot 13:
1.9 leot 14: % mpv
15: /usr/pkg/lib/ffmpeg4/libavcodec.so.58: text relocations
16: mpv 0.29.0 Copyright © 2000-2018 mpv/MPlayer/mplayer2 projects
17: built on Sat Jul 28 21:02:57 CEST 2018
18: ffmpeg library versions:
19: libavutil 56.14.100
20: libavcodec 58.18.100
21: libavformat 58.12.100
22: libswscale 5.1.100
23: libavfilter 7.16.100
24: libswresample 3.1.100
25: ffmpeg version: 4.0.2
26:
27: Usage: mpv [options] [url|path/]filename
28:
29: Basic options:
30: --start=<time> seek to given (percent, seconds, or hh:mm:ss) position
31: --no-audio do not play sound
32: --no-video do not play video
33: --fs fullscreen playback
34: --sub-file=<file> specify subtitle file to use
35: --playlist=<file> specify playlist file
36:
37: --list-options list all mpv options
38: --h=<string> print options which contain the given string in their name
39:
40: [1] Segmentation fault (core dumped) /usr/pkg/bin/mpv...
41: % gdb -core mpv.core /usr/pkg/bin/mpv
42: Reading symbols from /usr/pkg/bin/mpv...done.
43: [New process 5]
44: [New process 6]
45: [New process 4]
46: [New process 3]
47: [New process 2]
48: [New process 1]
49: Core was generated by `mpv'.
50: Program terminated with signal SIGSEGV, Segmentation fault.
51: #0 0x0000f96f727f40b0 in memcpy () from /usr/lib/libc.so.12
52: [Current thread is 1 (process 5)]
53: (gdb) bt
54: #0 0x0000f96f727f40b0 in memcpy () from /usr/lib/libc.so.12
55: #1 0x00000002001cba34 in __memcpy_ichk (len=18446744073709551615, src=0xf96f6e10fec0, dst=<optimized out>)
56: at /usr/include/ssp/string.h:82
57: #2 strndup_append_at (str=str@entry=0xf96f6f4ff348, at=0, append=0xf96f6e10fec0 "speed", append_len=<optimized out>,
58: append_len@entry=18446744073709551615) at ../ta/ta_utils.c:113
59: #3 0x00000002001cbea4 in ta_strdup_append_buffer (str=str@entry=0xf96f6f4ff348, a=<optimized out>) at ../ta/ta_utils.c:165
60: #4 0x00000002001cb7b8 in ta_talloc_strdup_append_buffer (s=<optimized out>, s@entry=0x0, a=<optimized out>) at ../ta/ta_talloc.c:31
61: #5 0x0000000200157eec in print_str_list (opt=<optimized out>, src=<optimized out>) at ../options/m_option.c:1477
62: #6 0x000000020015db90 in m_option_print (val_ptr=0xf96f6f4ff3c0, opt=0xf96f6f4ff430) at ../options/m_option.h:496
63: #7 m_property_do (log=0xf96f71045130, prop_list=0xf96f71081040, name=name@entry=0xf96f6e139218 "property-list",
64: action=action@entry=6, arg=arg@entry=0xf96f6f4ff598, ctx=ctx@entry=0xf96f71011040) at ../options/m_property.c:127
65: #8 0x000000020016f9f8 in mp_property_do_silent (name=0xf96f6e139218 "property-list", action=6, val=0xf96f6f4ff598, ctx=0xf96f71011040)
66: at ../player/command.c:4167
67: #9 0x0000000200171014 in mp_property_do (name=0xf96f6e139218 "property-list", action=action@entry=6, val=<optimized out>,
68: val@entry=0xf96f6f4ff5c8, ctx=0xf96f71011040) at ../player/command.c:4177
69: #10 0x00000002001637bc in getproperty_fn (arg=0xf96f6f4ff5d8, arg@entry=0xf96f6f4ff5e8) at ../player/client.c:1261
70: #11 0x00000002001655b0 in run_locked (fn_data=0xf96f6f4ff5e8, fn=0x200163648 <getproperty_fn>, ctx=0xf96f6f5071c0)
71: at ../player/client.c:1003
72: #12 mpv_get_property (ctx=0xf96f6f5071c0, name=name@entry=0xf96f6e139218 "property-list", format=format@entry=MPV_FORMAT_STRING,
73: data=data@entry=0xf96f6f4ff668) at ../player/client.c:1335
74: #13 0x0000000200179b4c in script_get_property (L=0xf96f6e103400) at ../player/lua.c:794
75: #14 0x0000f96f72b2cb80 in luaD_precall () from /usr/pkg/lib/liblua5.2.so.5
76: #15 0x0000f96f72b3877c in luaV_execute () from /usr/pkg/lib/liblua5.2.so.5
77: #16 0x0000f96f72b2cf04 in luaD_call () from /usr/pkg/lib/liblua5.2.so.5
78: #17 0x0000f96f72b28e40 in lua_callk () from /usr/pkg/lib/liblua5.2.so.5
79: #18 0x0000000200178270 in load_builtin (L=0xf96f6e103400) at ../player/lua.c:214
80: #19 0x0000f96f72b2cb80 in luaD_precall () from /usr/pkg/lib/liblua5.2.so.5
81: #20 0x0000f96f72b2cef8 in luaD_call () from /usr/pkg/lib/liblua5.2.so.5
82: #21 0x0000f96f72b28e40 in lua_callk () from /usr/pkg/lib/liblua5.2.so.5
83: #22 0x0000f96f72b43900 in ll_require () from /usr/pkg/lib/liblua5.2.so.5
84: #23 0x0000f96f72b2cb80 in luaD_precall () from /usr/pkg/lib/liblua5.2.so.5
85: ---Type <return> to continue, or q <return> to quit---
86: #24 0x0000f96f72b3877c in luaV_execute () from /usr/pkg/lib/liblua5.2.so.5
87: #25 0x0000f96f72b2cf04 in luaD_call () from /usr/pkg/lib/liblua5.2.so.5
88: #26 0x0000f96f72b28e40 in lua_callk () from /usr/pkg/lib/liblua5.2.so.5
89: #27 0x0000000200179524 in require (L=L@entry=0xf96f6e103400, name=name@entry=0xf96f6f503420 "@stats.lua") at ../player/lua.c:232
90: #28 0x000000020017963c in load_scripts (L=0xf96f6e103400) at ../player/lua.c:260
91: #29 0x0000f96f72b2cb80 in luaD_precall () from /usr/pkg/lib/liblua5.2.so.5
92: #30 0x0000f96f72b2cef8 in luaD_call () from /usr/pkg/lib/liblua5.2.so.5
93: #31 0x0000f96f72b2c4b8 in luaD_rawrunprotected () from /usr/pkg/lib/liblua5.2.so.5
94: #32 0x0000f96f72b2d19c in luaD_pcall () from /usr/pkg/lib/liblua5.2.so.5
95: #33 0x0000f96f72b28f14 in lua_pcallk () from /usr/pkg/lib/liblua5.2.so.5
96: #34 0x000000020017b020 in run_lua (L=0xf96f6e103400) at ../player/lua.c:354
97: #35 0x0000f96f72b2cb80 in luaD_precall () from /usr/pkg/lib/liblua5.2.so.5
98: #36 0x0000f96f72b2cef8 in luaD_call () from /usr/pkg/lib/liblua5.2.so.5
99: #37 0x0000f96f72b2c4b8 in luaD_rawrunprotected () from /usr/pkg/lib/liblua5.2.so.5
100: #38 0x0000f96f72b2d19c in luaD_pcall () from /usr/pkg/lib/liblua5.2.so.5
101: #39 0x0000f96f72b28f14 in lua_pcallk () from /usr/pkg/lib/liblua5.2.so.5
102: #40 0x000000020017b4c8 in mp_cpcall (func=0x20017abd0 <run_lua>, ud=0xf96f6e1010c0, L=0xf96f6e103400) at ../player/lua.c:99
103: #41 load_lua (client=<optimized out>, fname=0xf96f6f503420 "@stats.lua") at ../player/lua.c:387
104: #42 0x00000002001815c0 in script_thread (p=0xf96f6f5050c0) at ../player/scripting.c:95
105: #43 0x0000f96f743ec588 in pthread__create_tramp (cookie=0xf96f6f515000) at /usr/src/lib/libpthread/pthread.c:593
106: #44 0x0000f96f727385ec in _lwp_makecontext (u=0x0, start=0x0, arg=0x0, private=0xff00000014,
107: stack_base=0x1 <error: Cannot access memory at address 0x1>, stack_size=8589934592) at /usr/src/lib/libc/arch/aarch64/gen/_lwp.c:47
108: #45 0x0000f96f743df000 in ?? ()
109: #46 0x544a8f02d40034c1 in ?? ()
110: Backtrace stopped: previous frame identical to this frame (corrupt stack?)
1.1 leot 111:
112:
113: ## Python `import requests` SIGILLs
114: Doing a (please note that also `python36` is affected):
115:
1.2 leot 116: $ python2.7 -c 'import requests'
117: Illegal instruction (core dumped)
118: Exit 132
1.1 leot 119:
1.5 leot 120: ...where:
1.1 leot 121:
1.5 leot 122: % gdb -core python2.7.core `which python2.7`
123: Reading symbols from /usr/pkg/bin/python2.7...(no debugging symbols found)...done.
124: [New process 1]
125: Core was generated by `python2.7'.
126: Program terminated with signal SIGILL, Illegal instruction.
127: #0 0x0000f42f5fd00000 in ?? ()
128: (gdb) bt 5
129: #0 0x0000f42f5fd00000 in ?? ()
130: #1 0x0000f42f5fd0a3d0 in restore_errno_only () at c/misc_thread_common.h:43
131: #2 0x0000f42f5fbf0f90 in _cffi_f_SSL_library_init (self=<optimized out>, noarg=<optimized out>)
132: at build/temp.netbsd-8.99.22-evbarm-2.7/_openssl.c:51839
133: #3 0x0000f42f617606ac in PyEval_EvalFrameEx () from /usr/pkg/lib/libpython2.7.so.1.0
134: #4 0x0000f42f6175e5c0 in PyEval_EvalCodeEx () from /usr/pkg/lib/libpython2.7.so.1.0
135: (More stack frames follow...)
136: (gdb) f 2
137: #2 0x0000f42f5fbf0f90 in _cffi_f_SSL_library_init (self=<optimized out>, noarg=<optimized out>)
138: at build/temp.netbsd-8.99.22-evbarm-2.7/_openssl.c:51839
139: warning: Source file is more recent than executable.
140: 51839 _cffi_restore_errno();
141: (gdb) list
142: 51834 _cffi_f_SSL_library_init(PyObject *self, PyObject *noarg)
143: 51835 {
144: 51836 int result;
145: 51837
146: 51838 Py_BEGIN_ALLOW_THREADS
147: 51839 _cffi_restore_errno();
148: 51840 { result = SSL_library_init(); }
149: 51841 _cffi_save_errno();
150: 51842 Py_END_ALLOW_THREADS
151: 51843
152: (gdb) f 1
153: #1 0x0000f42f5fd0a3d0 in restore_errno_only () at c/misc_thread_common.h:43
154: 43 static void restore_errno_only(void) { errno = cffi_saved_errno; }
155: (gdb) list
156: 38 syntactically valid to use "__thread" with this C compiler. */
157: 39 #ifdef USE__THREAD
158: 40
159: 41 static __thread int cffi_saved_errno = 0;
160: 42 static void save_errno_only(void) { cffi_saved_errno = errno; }
161: 43 static void restore_errno_only(void) { errno = cffi_saved_errno; }
162: 44
163: 45 #else
164: 46
165: 47 static void save_errno_only(void)
166: (gdb) disas
167: Dump of assembler code for function restore_errno_only:
168: 0x0000f42f5fd0a3b0 <+0>: str x30, [sp, #-16]!
169: 0x0000f42f5fd0a3b4 <+4>: bl 0xf42f5fd075c0 <__errno@plt>
170: 0x0000f42f5fd0a3b8 <+8>: mov x2, x0
171: 0x0000f42f5fd0a3bc <+12>: mrs x1, tpidr_el0
172: 0x0000f42f5fd0a3c0 <+16>: adrp x0, 0xf42f5fd34000
173: 0x0000f42f5fd0a3c4 <+20>: ldr x3, [x0, #4088]
174: 0x0000f42f5fd0a3c8 <+24>: add x0, x0, #0xff8
175: 0x0000f42f5fd0a3cc <+28>: blr x3
176: => 0x0000f42f5fd0a3d0 <+32>: ldr w0, [x1, x0]
177: 0x0000f42f5fd0a3d4 <+36>: str w0, [x2]
178: 0x0000f42f5fd0a3d8 <+40>: ldr x30, [sp], #16
179: 0x0000f42f5fd0a3dc <+44>: ret
180: End of assembler dump.
181: (gdb) info reg
182: x0 0xf42f5fd34ff8 268484308324344
183: x1 0xf42f61875080 268484336898176
184: x2 0xf42f6186c848 268484336863304
185: x3 0xf42f5fd00000 268484308107264
186: x4 0xf42f5ff3c0b8 268484310450360
187: x5 0xf42f60000570 268484311254384
188: x6 0x65000000000000 28428972647776256
189: x7 0x65 101
190: x8 0xf42f6185e000 268484336803840
191: x9 0xf42f6185e668 268484336805480
192: x10 0xf42f6185e668 268484336805480
193: x11 0x1 1
194: x12 0x30 48
195: x13 0xffffff9264f0 281474969527536
196: x14 0x65 101
197: x15 0x3 3
198: x16 0xf42f615bd730 268484334049072
199: x17 0xf42f615ec2c8 268484334240456
200: x18 0xf42f615ca1a0 268484334100896
201: x19 0xf42f5fc9cea8 268484307701416
202: x20 0xf42f5fd9c3c0 268484308747200
203: x21 0xf42f61307090 268484331204752
204: x22 0xf42f5fcd38e8 268484307925224
205: x23 0xf42f5fcd10a0 268484307914912
206: x24 0xf42f5fb8c5a8 268484306585000
207: x25 0xf42f5fd9c3c0 268484308747200
208: x26 0xf42f5fbf0f70 268484306997104
209: x27 0xf42f5fdd467e 268484308977278
210: x28 0xf42f61307090 268484331204752
211: x29 0x0 0
212: x30 0xf42f5fd0a3d0 268484308149200
213: sp 0xffffff926760 0xffffff926760
214: pc 0xf42f5fd0a3d0 0xf42f5fd0a3d0 <restore_errno_only+32>
215: cpsr 0x60000000 [ EL=0 C Z ]
216: fpsr 0x3000000 50331648
217: fpcr 0x10 16
218: (gdb) quit
1.6 leot 219:
220: ...and `_cffi_restore_errno` and `_cffi_save_errno` are defined in
221: `cffi/_cffi_include.h` as follows:
222:
223: #define _cffi_restore_errno \
224: ((void(*)(void))_cffi_exports[13])
225: #define _cffi_save_errno \
226: ((void(*)(void))_cffi_exports[14])
1.7 leot 227:
1.10 ! leot 228: Since py-cffi-1.11.5nb1 a kludge to workaround the issue is present (by
! 229: disabling __thread).
1.8 wiki 230:
231:
232: ## polkitd crashes
233:
234: pinebook# /usr/pkg/lib/polkit-1/polkitd
235: Successfully changed to user polkitd
236: Error loading /var/run/ConsoleKit/database: Error statting file /var/run/ConsoleKit/database: No such file or directory[1] Segmentation fault /usr/pkg/lib/polkit-1/polkitd
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