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ID | Project | Category | View Status | Date Submitted | Last Update | |
0003072 | Dwarf Fortress | Miscellaneous Crashes | public | 2010-08-19 14:27 | 2012-04-01 17:51 | |
Reporter | vyznev | |||||
Assigned To | Footkerchief | |||||
Priority | normal | Severity | minor | Reproducibility | always | |
Status | resolved | Resolution | duplicate | |||
Platform | i686 | OS | Linux | OS Version | Ubuntu 10.04 | |
Product Version | 0.31.12 | |||||
Target Version | Fixed in Version | |||||
Summary | 0003072: Reproducible segmentation fault when choosing fortress location | |||||
Description | I recently generated a world which causes DF to invariably crash (segfault) whenever I scroll about halfway down the map on the "Choose Fortress Location" screen. There shouldn't be anything particularly odd about the world itself; I used the SMALL_ISLAND preset and only adjusted erosion iterations down from 250 to 50 and minimum number of volcanoes up from 1 to 5 (I think). The only changes I'd made to DF prior to worldgen were a few init.txt changes and the installation of a graphical tileset and graphics set; the crash is also reproducible on a clean install of DF. I will try to attach a bzipped copy of the world for testing if this bug tracker lets me. | |||||
Steps To Reproduce | Unpack df_31_12_linux.tar.bz2 and extract the world into the data/save folder. Start DF, start a new game in Dwarf Fortress mode and try to scroll down on the map. DF should crash about halfway down. | |||||
Additional Information | On the most recent test, DF emitted the following output when it crashed: *** glibc detected *** ./libs/Dwarf_Fortress: double free or corruption (fasttop): 0x0a7a9fa0 *** ======= Backtrace: ========= /lib/tls/i686/cmov/libc.so.6(+0x6b591)[0x3d9591] /lib/tls/i686/cmov/libc.so.6(+0x6cde8)[0x3dade8] /lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0x3ddecd] /usr/lib/nvidia-current/tls/libnvidia-tls.so.1(+0xb20)[0x1e9b20] /usr/lib/libX11.so.6(_XEventsQueued+0x56)[0x63ce356] /usr/lib/libX11.so.6(_XFlush+0x49)[0x63ce3e9] /usr/lib/libX11.so.6(XFlush+0x31)[0x63a6101] /usr/lib/libSDL-1.2.so.0(+0x363be)[0x79e3be] /usr/lib/libSDL-1.2.so.0(+0x39768)[0x7a1768] /usr/lib/libSDL-1.2.so.0(+0x3aa2b)[0x7a2a2b] /usr/lib/libSDL-1.2.so.0(SDL_PumpEvents+0x3d)[0x77337d] /usr/lib/libSDL-1.2.so.0(SDL_PollEvent+0x17)[0x773807] /var/home/ilmari/df_linux/libs/libgraphics.so(_ZN9enablerst13eventLoop_SDLEv+0xc2)[0x8ef762] ======= Memory map: ======== 00110000-00134000 r-xp 00000000 08:11 898596 /lib/tls/i686/cmov/libm-2.11.1.so 00134000-00135000 r--p 00023000 08:11 898596 /lib/tls/i686/cmov/libm-2.11.1.so 00135000-00136000 rw-p 00024000 08:11 898596 /lib/tls/i686/cmov/libm-2.11.1.so 00136000-0014b000 r-xp 00000000 08:11 898606 /lib/tls/i686/cmov/libpthread-2.11.1.so 0014b000-0014c000 r--p 00014000 08:11 898606 /lib/tls/i686/cmov/libpthread-2.11.1.so 0014c000-0014d000 rw-p 00015000 08:11 898606 /lib/tls/i686/cmov/libpthread-2.11.1.so 0014d000-0014f000 rw-p 00000000 00:00 0 0014f000-00156000 r-xp 00000000 08:11 898608 /lib/tls/i686/cmov/librt-2.11.1.so 00156000-00157000 r--p 00006000 08:11 898608 /lib/tls/i686/cmov/librt-2.11.1.so 00157000-00158000 rw-p 00007000 08:11 898608 /lib/tls/i686/cmov/librt-2.11.1.so 00158000-0015a000 r-xp 00000000 08:11 898594 /lib/tls/i686/cmov/libdl-2.11.1.so 0015a000-0015b000 r--p 00001000 08:11 898594 /lib/tls/i686/cmov/libdl-2.11.1.so 0015b000-0015c000 rw-p 00002000 08:11 898594 /lib/tls/i686/cmov/libdl-2.11.1.so 0015c000-001cf000 r-xp 00000000 08:11 1176913 /usr/lib/libdirectfb-1.2.so.0.8.0 001cf000-001d0000 ---p 00073000 08:11 1176913 /usr/lib/libdirectfb-1.2.so.0.8.0 001d0000-001d1000 r--p 00073000 08:11 1176913 /usr/lib/libdirectfb-1.2.so.0.8.0 001d1000-001d2000 rw-p 00074000 08:11 1176913 /usr/lib/libdirectfb-1.2.so.0.8.0 001d2000-001d3000 rw-p 00000000 00:00 0 001d3000-001e7000 r-xp 00000000 08:11 1176765 /usr/lib/libdirect-1.2.so.0.8.0 001e7000-001e8000 r--p 00013000 08:11 1176765 /usr/lib/libdirect-1.2.so.0.8.0 001e8000-001e9000 rw-p 00014000 08:11 1176765 /usr/lib/libdirect-1.2.so.0.8.0 001e9000-001ea000 r-xp 00000000 08:11 1762881 /usr/lib/nvidia-current/tls/libnvidia-tls.so.195.36.24 001ea000-001eb000 rw-p 00000000 08:11 1762881 /usr/lib/nvidia-current/tls/libnvidia-tls.so.195.36.24 001ec000-001f9000 r-xp 00000000 08:13 3868757 /var/home/ilmari/df_linux/libs/libgcc_s.so.1 001f9000-001fa000 r--p 0000c000 08:13 3868757 /var/home/ilmari/df_linux/libs/libgcc_s.so.1 001fa000-001fb000 rw-p 0000d000 08:13 3868757 /var/home/ilmari/df_linux/libs/libgcc_s.so.1 001fb000-00206000 r-xp 00000000 08:11 1175967 /usr/lib/libSDL_image-1.2.so.0.8.2 00206000-00207000 r--p 0000a000 08:11 1175967 /usr/lib/libSDL_image-1.2.so.0.8.2 00207000-00208000 rw-p 0000b000 08:11 1175967 /usr/lib/libSDL_image-1.2.so.0.8.2 00208000-00218000 rw-p 00000000 00:00 0 00218000-00226000 r-xp 00000000 08:11 1176788 /usr/lib/libXext.so.6.4.0 00226000-00227000 r--p 0000d000 08:11 1176788 /usr/lib/libXext.so.6.4.0 00227000-00228000 rw-p 0000e000 08:11 1176788 /usr/lib/libXext.so.6.4.0 00228000-00230000 r-xp 00000000 08:11 1175785 /usr/lib/libXrender.so.1.3.0 00230000-00231000 r--p 00007000 08:11 1175785 /usr/lib/libXrender.so.1.3.0 00231000-00232000 rw-p 00008000 08:11 1175785 /usr/lib/libXrender.so.1.3.0 00232000-00234000 r-xp 00000000 08:11 1177346 /usr/lib/libXinerama.so.1.0.0 00234000-00235000 r--p 00001000 08:11 1177346 /usr/lib/libXinerama.so.1.0.0 00235000-00236000 rw-p 00002000 08:11 1177346 /usr/lib/libXinerama.so.1.0.0 00236000-00242000 r-xp 00000000 08:11 1176768 /usr/lib/libXi.so.6.1.0 00242000-00243000 r--p 0000c000 08:11 1176768 /usr/lib/libXi.so.6.1.0 00243000-00244000 rw-p 0000d000 08:11 1176768 /usr/lib/libXi.so.6.1.0 00244000-0024a000 r-xp 00000000 08:11 1176965 /usr/lib/libXrandr.so.2.2.0 0024a000-0024b000 r--p 00005000 08:11 1176965 /usr/lib/libXrandr.so.2.2.0 0024b000-0024c000 rw-p 00006000 08:11 1176965 /usr/lib/libXrandr.so.2.2.0 0024c000-00254000 r-xp 00000000 08:11 1176417 /usr/lib/libXcursor.so.1.0.2 00254000-00255000 r--p 00007000 08:11 1176417 /usr/lib/libXcursor.so.1.0.2 00255000-00256000 rw-p 00008000 08:11 1176417 /usr/lib/libXcursor.so.1.0.2 00256000-0026e000 r-xp 00000000 08:11 1178657 /usr/lib/libgdk_pixbuf-2.0.so.0.2000.1 0026e000-0026f000 r--p 00017000 08:11 1178657 /usr/lib/libgdk_pixbuf-2.0.so.0.2000.1 0026f000-00270000 rw-p 00018000 08:11 1178657 /usr/lib/libgdk_pixbuf-2.0.so.0.2000.1 00270000-0027a000 r-xp 00000000 08:11 1179489 /usr/lib/libpangocairo-1.0.so.0.2800.0 0027a000-0027b000 r--p 00009000 08:11 1179489 /usr/lib/libpangocairo-1.0.so.0.2800.0 0027b000-0027c000 rw-p 0000a000 08:11 1179489 /usr/lib/libpangocairo-1.0.so.0.2800.0 0027c000-0027e000 r-xp 00000000 08:11 1176261 /usr/lib/libXcomposite.so.1.0.0 0027e000-0027f000 r--p 00001000 08:11 1176261 /usr/lib/libXcomposite.so.1.0.0 0027f000-00280000 rw-p 00002000 08:11 1176261 /usr/lib/libXcomposite.so.1.0.0 00280000-00363000 r-xp 00000000 08:13 3868754 /var/home/ilmari/df_linux/libs/libstdc++.so.6 00363000-00367000 r--p 000e3000 08:13 3868754 /var/home/ilmari/df_linux/libs/libstdc++.so.6 00367000-00368000 rw-p 000e7000 08:13 3868754 /var/home/ilmari/df_linux/libs/libstdc++.so.6 00368000-0036e000 rw-p 00000000 00:00 0 0036e000-004c1000 r-xp 00000000 08:11 898590 /lib/tls/i686/cmov/libc-2.11.1.so 004c1000-004c2000 ---p 00153000 08:11 898590 /lib/tls/i686/cmov/libc-2.11.1.so 004c2000-004c4000 r--p 00153000 08:11 898590 /lib/tls/i686/cmov/libc-2.11.1.so 004c4000-004c5000 rw-p 00155000 08:11 898590 /lib/tls/i686/cmov/libc-2.11.1.so 004c5000-004c8000 rw-p 00000000 00:00 0 004c8000-004e1000 r-xp 00000000 08:11 1175327 /usr/lib/libatk-1.0.so.0.3009.1 004e1000-004e2000 ---p 00019000 08:11 1175327 /usr/lib/libatk-1.0.so.0.3009.1 004e2000-004e3000 r--p 00019000 08:11 1175327 /usr/lib/libatk-1.0.so.0.3009.1 004e3000-004e4000 rw-p 0001a000 08:11 1175327 /usr/lib/libatk-1.0.so.0.3009.1 004e4000-004e7000 r-xp 00000000 08:11 1176734 /usr/lib/libgmodule-2.0.so.0.2400.1 004e7000-004e8000 r--p 00002000 08:11 1176734 /usr/lib/libgmodule-2.0.so.0.2400.1Aborted I also tried running DF under gdb, but without debug symbols I wasn't able to get a meaningful stack trace. | |||||
Tags | No tags attached. | |||||
Attached Files | ||||||
Relationships | ||||||
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Notes | |
(0011934) vyznev (reporter) 2010-08-19 14:37 |
I couldn't find any way to attach the world directly to this bug report, so I uploaded it to http://dffd.wimbli.com/file.php?id=2973 [^] instead. |
(0011939) Logical2u (manager) 2010-08-19 17:56 |
The world generation parameters would be more helpful, please upload them to a service like Pastebin. |
(0012308) vyznev (reporter) 2010-09-01 12:53 |
The params seem to have been these: http://vyznev.net/misc/region2-world_gen_param.txt [^] However, when I regen the world using these setting (either on the DF I originally genned it on or on a virgin install), it doesn't seem crash anymore. Apparently the save is corrupted in some way, triggering the crash. (I'm not sure what might've corrupted it, though; I don't recall having any data corruption issues on this computer before.) A quick diff -r says: Binary files region1/unit-0.dat and region2/unit-0.dat differ Binary files region1/unit-100.dat and region2/unit-100.dat differ Binary files region1/unit-109.dat and region2/unit-109.dat differ Binary files region1/unit-112.dat and region2/unit-112.dat differ Binary files region1/unit-114.dat and region2/unit-114.dat differ Binary files region1/unit-116.dat and region2/unit-116.dat differ Binary files region1/unit-67.dat and region2/unit-67.dat differ Binary files region1/unit-68.dat and region2/unit-68.dat differ Binary files region1/unit-70.dat and region2/unit-70.dat differ Binary files region1/unit-80.dat and region2/unit-80.dat differ Binary files region1/unit-89.dat and region2/unit-89.dat differ Binary files region1/unit-95.dat and region2/unit-95.dat differ Binary files region1/world.dat and region2/world.dat differ Comparing the file sizes, I get: unit-0.dat: OK = 35677, bad = 35480 unit-100.dat: OK = 15399, bad = 15420 unit-109.dat: OK = 12649, bad = 12689 unit-112.dat: OK = 99254, bad = 99154 unit-114.dat: OK = 81728, bad = 81632 unit-116.dat: OK = 88167, bad = 88187 unit-67.dat: OK = 89626, bad = 89822 unit-68.dat: OK = 15446, bad = 15886 unit-70.dat: OK = 25511, bad = 25536 unit-80.dat: OK = 18582, bad = 18618 unit-89.dat: OK = 9416, bad = 9438 unit-95.dat: OK = 4235, bad = 4419 world.dat: OK = 9913705, bad = 9913976 Without a binary diff tool or any way to parse the .dat files, though, I'm not sure what else to do to diagnose this further. |
(0012310) vyznev (reporter) 2010-09-01 13:01 |
...I also noticed that the crashing version has these extra files: Only in region2: feature-1-5.dat Only in region2: feature-1-6.dat Only in region2: feature-1-7.dat Only in region2: feature-2-3.dat Only in region2: feature-2-4.dat Only in region2: feature-2-5.dat Only in region2: feature-2-6.dat Only in region2: feature-2-7.dat Only in region2: feature-2-8.dat Only in region2: feature-3-3.dat Only in region2: feature-3-4.dat Only in region2: feature-3-5.dat Only in region2: feature-3-6.dat Only in region2: feature-3-7.dat Only in region2: feature-3-8.dat Only in region2: feature-4-3.dat Only in region2: feature-4-4.dat Only in region2: feature-4-5.dat Only in region2: feature-4-6.dat Only in region2: feature-4-7.dat Only in region2: feature-5-3.dat Only in region2: feature-5-4.dat Only in region2: feature-5-5.dat Only in region2: feature-5-6.dat Only in region2: feature-5-7.dat Only in region2: feature-5-8.dat Only in region2: feature-6-3.dat Only in region2: feature-6-4.dat Only in region2: feature-6-5.dat Only in region2: feature-6-6.dat Only in region2: feature-6-8.dat Only in region2: feature-7-3.dat Only in region2: feature-7-4.dat Only in region2: feature-7-5.dat Only in region2: feature-7-6.dat Only in region2: feature-8-4.dat Only in region2: feature-8-5.dat Only in region2: feature-8-6.dat Only in region2: feature-8-7.dat Only in region2: feature-9-6.dat Only in region2: feature-9-7.dat Indeed, I just tried to simply delete these files from the save folder, and it seems this fixes the crash(!). However, I don't understand the DF save format enough to know what these files are actually supposed to be for. |
(0012311) vyznev (reporter) 2010-09-01 13:21 edited on: 2010-09-01 13:22 |
I did some testing by deleting various subsets of the feature-*.dat files, trying to see if I could narrow down which ones were causing the crash. However, it seems that each (or at least most) of them corresponds to a particular map region that one needs to view to make the game crash, so I was unable to significantly narrow it down. I did observe that e.g. feature-3-3.dat alone is sufficient (but not necessary) to reproduce the crash using the exact steps given above. |
(0021963) dree12 (reporter) 2012-03-31 17:43 edited on: 2012-03-31 17:44 |
Recently, some feature corruption bugs have been fixed (0005077 in particular). It might be useful to check this old bug. |
(0021989) Footkerchief (manager) 2012-04-01 09:23 |
Good call, it is indeed corrupted. |
Issue History | |||
Date Modified | Username | Field | Change |
2010-08-19 14:27 | vyznev | New Issue | |
2010-08-19 14:27 | vyznev | Issue Monitored: vyznev | |
2010-08-19 14:37 | vyznev | Note Added: 0011934 | |
2010-08-19 17:56 | Logical2u | Note Added: 0011939 | |
2010-09-01 12:53 | vyznev | Note Added: 0012308 | |
2010-09-01 13:01 | vyznev | Note Added: 0012310 | |
2010-09-01 13:21 | vyznev | Note Added: 0012311 | |
2010-09-01 13:22 | vyznev | Note Edited: 0012311 | View Revisions |
2012-03-31 17:43 | dree12 | Note Added: 0021963 | |
2012-03-31 17:44 | dree12 | Note Edited: 0021963 | View Revisions |
2012-03-31 17:44 | dree12 | Issue Monitored: dree12 | |
2012-04-01 09:23 | Footkerchief | Note Added: 0021989 | |
2012-04-01 09:23 | Footkerchief | Relationship added | duplicate of 0005077 |
2012-04-01 09:23 | Footkerchief | Status | new => resolved |
2012-04-01 09:23 | Footkerchief | Resolution | open => duplicate |
2012-04-01 09:23 | Footkerchief | Assigned To | => Footkerchief |
2012-04-01 17:51 | dree12 | Issue End Monitor: dree12 |
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