id summary reporter owner description type status priority milestone component version resolution keywords cc blockedby blocking branch_state votes 3108 Hangs and CPU very high load after exit olegon "Sometimes mc process consumed 100% of CPU core. As I recognized it's only from root account, so by sudo mc or from simple sudo -i. I recompile it' many times with different options without success. {{{ strace -o /tmp/trc -fp PID gave me a very big file with next cyclic content 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 read(0, """", 1) = 0 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) 9740 select(4, [0 3], NULL, NULL, {0, 100000}) = 1 (in [0], left {0, 99999}) 9740 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) }}} {{{ uname -a Linux oops 3.10.17-gentoo #1 SMP Mon Nov 4 09:03:59 MSK 2013 x86_64 Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz GenuineIntel GNU/Linux }}} but many cores changed after I found this bug. I can't make stable testcase, but very often found CPU load :( {{{ LC_MESSAGES=C mc -V GNU Midnight Commander 4.8.7 Built with GLib 2.32.4 Using the ncurses library With builtin Editor With subshell support as default With support for background operations With mouse support on xterm With internationalization support With multiple codepages support Virtual File Systems: cpiofs, tarfs, sfs, extfs, ext2undelfs, ftpfs, fish Data types: char: 8; int: 32; long: 64; void *: 64; size_t: 64; off_t: 64; LC_MESSAGES=C mc -F Root directory: /root [System data] Config directory: /etc/mc/ Data directory: /usr/share/mc/ File extension handlers: /usr/libexec/mc/ext.d/ VFS plugins and scripts: /usr/libexec/mc/ extfs.d: /usr/libexec/mc/extfs.d/ fish: /usr/libexec/mc/fish/ [User data] Config directory: /root/.mc/ Data directory: /root/.mc/ skins: /root/.mc/skins/ extfs.d: /root/.mc/extfs.d/ fish: /root/.mc/fish/ mcedit macros: /root/.mc/mc.macros mcedit external macros: /root/.mc/mcedit/macros.d/macro.* Cache directory: /root/.mc/ mc --configure-options '--prefix=/usr' '--build=x86_64-pc-linux-gnu' '--host=x86_64-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--libdir=/usr/lib64' '--disable-silent-rules' '--disable-dependency-tracking' '--enable-nls' '--enable-vfs' '--enable-vfs-undelfs' '--enable-charset' '--without-x' '--disable-vfs-smb' '--disable-vfs-sftp' '--disable-aspell' '--without-gpm-mouse' '--with-screen=ncurses' '--with-edit' '--enable-mclib' '--disable-tests' '--with-homedir=.mc' 'build_alias=x86_64-pc-linux-gnu' 'host_alias=x86_64-pc-linux-gnu' 'CFLAGS=-march=native -mtune=native -O2 -pipe -fomit-frame-pointer' 'LDFLAGS=-Wl,-O1 -Wl,--as-needed' 'PKG_CONFIG_PATH=/usr/lib64/pkgconfig' }}}" defect closed critical mc-core duplicate hangs no branch