Package: emacs;
Reported by: Robert Pluim <rpluim <at> gmail.com>
Date: Wed, 12 Jul 2017 13:44:02 UTC
Severity: normal
Tags: moreinfo
Merged with 28710
Found in versions 26.0.50, 27.0.50
Done: Eli Zaretskii <eliz <at> gnu.org>
Bug is archived. No further changes may be made.
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From: Robert Pluim <rpluim <at> gmail.com> To: 27668 <at> debbugs.gnu.org Subject: bug#27668: 26.0.50; Crash with display-line-numbers t Date: Thu, 13 Jul 2017 21:35:45 +0200
Eli Zaretskii <eliz <at> gnu.org> writes: >> From: Robert Pluim <rpluim <at> gmail.com> >> Date: Thu, 13 Jul 2017 20:17:51 +0200 >> >> (gdb) p it->glyph_row->used[TEXT_AREA] >> $1 = 66 >> >> (gdb) bt >> #0 terminate_due_to_signal (sig=sig <at> entry=6, backtrace_limit=backtrace_limit <at> entry=2147483647) at emacs.c:363 >> #1 0x00000000005a5084 in die (msg=msg <at> entry=0x6987d8 "pdl->kind == SPECPDL_BACKTRACE", file=file <at> entry=0x698448 "eval.c", line=line <at> entry=150) at alloc.c:7348 >> #2 0x0000000000419f3b in backtrace_function (pdl=<optimized out>) at eval.c:150 >> #3 <function called from gdb> >> #4 maybe_produce_line_number (it=it <at> entry=0x7fffffff8130) at xdisp.c:21010 >> #5 0x0000000000465365 in display_line (it=it <at> entry=0x7fffffff8130, cursor_vpos=cursor_vpos <at> entry=16) at xdisp.c:21225 >> #6 0x00000000004672bd in try_window (window=..., window <at> entry=XIL(0x146d7d5), pos=..., flags=flags <at> entry=1) at xdisp.c:17544 >> #7 0x000000000047f9ab in redisplay_window (window=XIL(0x146d7d5), just_this_one_p=just_this_one_p <at> entry=false) at xdisp.c:16991 >> #8 0x00000000004831fb in redisplay_window_0 (window=..., window <at> entry=XIL(0x146d7d5)) at xdisp.c:14751 > > Curiouser and curiouser... > > OK, in frame #5, the one in display_line, what do these produce: > > (gdb) p it->current > (gdb) pgrowx it->glyph_row (gdb) p it->current $2 = { pos = { charpos = 37180, bytepos = 37180 }, overlay_string_index = -1, string_pos = { charpos = -1, bytepos = -1 }, dpvec_index = -1 } (gdb) pgrowx it->glyph_row TEXT: 66 glyphs 0 0: CHAR[ ] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID 1 16: CHAR[1] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID 2 32: CHAR[2] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID 3 48: CHAR[6] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID 4 64: CHAR[1] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID 5 80: CHAR[ ] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID 6 96: CHAR[ ] pos=37180 blev=0,btyp=L w=16 a+d=25+6 MB 7 112: CHAR[ ] pos=37181 blev=0,btyp=L w=16 a+d=25+6 MB 8 128: CHAR[ ] pos=37182 blev=0,btyp=L w=16 a+d=25+6 MB 9 144: CHAR[ ] pos=37183 blev=0,btyp=L w=16 a+d=25+6 MB 10 160: CHAR[ ] pos=37184 blev=0,btyp=L w=16 a+d=25+6 MB 11 176: CHAR[ ] pos=37185 blev=0,btyp=L w=16 a+d=25+6 MB 12 192: CHAR[/] pos=37186 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 13 208: CHAR[*] pos=37187 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 14 224: CHAR[ ] pos=37188 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 15 240: CHAR[A] pos=37189 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 16 256: CHAR[d] pos=37190 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 17 272: CHAR[j] pos=37191 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 18 288: CHAR[u] pos=37192 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 19 304: CHAR[s] pos=37193 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 20 320: CHAR[t] pos=37194 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 21 336: CHAR[ ] pos=37195 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 22 352: CHAR[c] pos=37196 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 23 368: CHAR[o] pos=37197 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 24 384: CHAR[o] pos=37198 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 25 400: CHAR[r] pos=37199 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 26 416: CHAR[d] pos=37200 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 27 432: CHAR[i] pos=37201 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 28 448: CHAR[n] pos=37202 blev=0,btyp=L w=16 a+d=25+6 face=50 MB ---Type <return> to continue, or q <return> to quit--- 29 464: CHAR[a] pos=37203 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 30 480: CHAR[t] pos=37204 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 31 496: CHAR[e] pos=37205 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 32 512: CHAR[s] pos=37206 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 33 528: CHAR[ ] pos=37207 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 34 544: CHAR[t] pos=37208 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 35 560: CHAR[o] pos=37209 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 36 576: CHAR[ ] pos=37210 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 37 592: CHAR[b] pos=37211 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 38 608: CHAR[e] pos=37212 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 39 624: CHAR[ ] pos=37213 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 40 640: CHAR[r] pos=37214 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 41 656: CHAR[o] pos=37215 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 42 672: CHAR[o] pos=37216 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 43 688: CHAR[t] pos=37217 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 44 704: CHAR[-] pos=37218 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 45 720: CHAR[w] pos=37219 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 46 736: CHAR[i] pos=37220 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 47 752: CHAR[n] pos=37221 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 48 768: CHAR[d] pos=37222 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 49 784: CHAR[o] pos=37223 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 50 800: CHAR[w] pos=37224 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 51 816: CHAR[-] pos=37225 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 52 832: CHAR[r] pos=37226 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 53 848: CHAR[e] pos=37227 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 54 864: CHAR[l] pos=37228 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 55 880: CHAR[a] pos=37229 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 56 896: CHAR[t] pos=37230 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 57 912: CHAR[i] pos=37231 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 58 928: CHAR[v] pos=37232 blev=0,btyp=L w=16 a+d=25+6 face=50 MB ---Type <return> to continue, or q <return> to quit--- 59 944: CHAR[e] pos=37233 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 60 960: CHAR[.] pos=37234 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 61 976: CHAR[ ] pos=37235 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 62 992: CHAR[ ] pos=37236 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 63 1008: CHAR[*] pos=37237 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 64 1024: CHAR[/] pos=37238 blev=0,btyp=L w=16 a+d=25+6 face=50 MB 65 1040: CHAR[ ] pos=0 blev=0,btyp=B w=16 a+d=25+6 MB (gdb)
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