Linux使用异常2——图形化界面访问文件夹闪退

使用统信桌面操作系统v20 1022时遇到一个问题，图形化打开文件夹进到最深目录后文件夹闪退。

使用grep -i "systemd-coredump" /var/log/syslog | grep -i "dde-file-manage"过滤发现下面这条关键日志。

Oct  9 11:07:01 用户名 systemd-coredump[10129]: Process 10037 (dde-file-manage) of user 用户id dumped core.#012#012Stack trace of thread 10127:#012#0  0x0000ffff8cc8ec18 n/a (libz.so.1)#012#1  0x0000ffff8cc8f8f0 n/a (libz.so.1)#012#2  0x0000ffff8cc91068 deflate (libz.so.1)#012#3  0x0000ffff8c3fbf90 n/a (libpng16.so.16)#012#4  0x0000ffff8c3fc88c n/a (libpng16.so.16)#012#5  0x0000ffff8c3f7a68 png_write_row (libpng16.so.16)#012#6  0x0000ffff8c3f7d78 png_write_image (libpng16.so.16)#012#7  0x0000ffff8e5e67f8 n/a (libQt5Gui.so.5)#012#8  0x0000ffff8e5e83cc n/a (libQt5Gui.so.5)#012#9  0x0000ffff8e5ad298 _ZN12QImageWriter5writeERK6QImage (libQt5Gui.so.5)#012#10 0x0000ffff8e586f8c _ZNK10QImageData9doImageIOEPK6QImageP12QImageWriteri (libQt5Gui.so.5)#012#11 0x0000ffff8e5870cc _ZNK6QImage4saveERK7QStringPKci (libQt5Gui.so.5)#012#12 0x0000ffff8fc2ab84 _ZN16dde_file_manager18DThumbnailProvider15createThumbnailERK9QFileInfoNS0_4SizeERKSt8functionIFvRK7QStringEE (libdde-file-manager.so.1)#012#13 0x0000ffff8fc2cfa4 _ZN16dde_file_manager18DThumbnailProvider3runEv (libdde-file-manager.so.1)#012#14 0x0000ffff8de084e4 n/a (libQt5Core.so.5)#012#15 0x0000ffff8dc187e4 start_thread (libpthread.so.0)#012#16 0x0000ffff8d903aec n/a (libc.so.6)#012#012……

其中Thumbnail表示缩略图，结合出现的png_write_image等，基本可以断定是打开目录生成缩略图保存为png时导致的崩溃，由于预览设置是默认开启的，因此暂时通过设置关闭预览来避免此问题，待继续观察。