On Tue, 23 Nov 2021 08:08:23 +0100 Ole Streicher <oleb...@debian.org> wrote: > Source: matplotlib > Severity: serious > Version: 3.5.0-1 > Control: affects -1 yt > Control: affects -1 astropy > > With the new matplotlib version, I now have crashes with a segmentation fault > in at least two of my packages on mips64el, which cause a FTBFS: yt and > astropy. On both packages, the crash happens here: > > ------------------------------8<---------------------------------------- > File "/usr/lib/python3/dist-packages/matplotlib/lines.py", line 840 in draw > File "/usr/lib/python3/dist-packages/matplotlib/artist.py", line 50 in > draw_wrapper > File "/usr/lib/python3/dist-packages/matplotlib/axis.py", line 299 in draw > File "/usr/lib/python3/dist-packages/matplotlib/artist.py", line 50 in > draw_wrapper > File "/usr/lib/python3/dist-packages/matplotlib/axis.py", line 1163 in draw > File "/usr/lib/python3/dist-packages/matplotlib/artist.py", line 50 in > draw_wrapper > File "/usr/lib/python3/dist-packages/matplotlib/image.py", line 132 in > _draw_list_compositing_images > File "/usr/lib/python3/dist-packages/matplotlib/axes/_base.py", line 3082 > in draw > File "/usr/lib/python3/dist-packages/matplotlib/artist.py", line 50 in > draw_wrapper > File "/usr/lib/python3/dist-packages/matplotlib/image.py", line 132 in > _draw_list_compositing_images > File "/usr/lib/python3/dist-packages/matplotlib/figure.py", line 2803 in > draw > File "/usr/lib/python3/dist-packages/matplotlib/artist.py", line 50 in > draw_wrapper > File "/usr/lib/python3/dist-packages/matplotlib/artist.py", line 73 in > draw_wrapper > File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_agg.py", > line 436 in draw > ------------------------------8<---------------------------------------- > > Build log on Astropy: > https://buildd.debian.org/status/fetch.php?pkg=astropy&arch=mips64el&ver=5.0-1&stamp=1637626067&raw=0 > > Build log on yt: > https://buildd.debian.org/status/fetch.php?pkg=yt&arch=mips64el&ver=4.0.1-3&stamp=1637588650&raw=0 > > This happens on both Python 3.9 and 3.10. The I will try to create a > stacktrace for it. >
It is due to gcc-11 of mips64el. -O1, -O2 may generate bad code, while -O0 and -O3 works well. As a workaround: we can: The attachment is a workaround patch. >
matplotlib-mips64el-o3.diff
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