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Bug 665016

Summary: emerging some packages gives Cannot change mode to rwxr-xr-x: No such file or directory error
Product: Portage Development Reporter: Mateusz Klatt <mateusz>
Component: Core - External InteractionAssignee: Portage team <dev-portage>
Status: RESOLVED CANTFIX    
Severity: normal    
Priority: Normal    
Version: unspecified   
Hardware: Other   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---

Description Mateusz Klatt 2018-09-01 10:02:33 UTC 
The problem seems to be with tar (1.30), there is some race condition that causes files not to be flushed before changing their properties... e.g.

>>> Emerging (1 of 1) app-misc/screen-4.6.1::gentoo
 * screen-4.6.1.tar.gz BLAKE2B SHA512 size ;-) ...                                                                                                                               [ ok ]
>>> Unpacking source...
>>> Unpacking screen-4.6.1.tar.gz to /var/tmp/portage/app-misc/screen-4.6.1/work
tar: screen-4.6.1/FAQ: Cannot change mode to rwxr-xr-x: No such file or directory
tar: Exiting with failure status due to previous errors
>>> Source unpacked in /var/tmp/portage/app-misc/screen-4.6.1/work
>>> Preparing source in /var/tmp/portage/app-misc/screen-4.6.1/work/screen-4.6.1 ...
 * Applying screen-4.3.0-no-utempter.patch ...                                                                                                                                   [ ok ]
 * Running eautoreconf in '/var/tmp/portage/app-misc/screen-4.6.1/work/screen-4.6.1' ...

NOTE this is with small hack to fix the issue, the fix is:
		__unpack_tar() {
			if [[ ${y_insensitive} == tar ]] ; then
				if ___eapi_unpack_is_case_sensitive && \
					[[ tar != ${y} ]] ; then
					eqawarn "QA Notice: unpack called with" \
						"secondary suffix '${y}' which is unofficially" \
						"supported with EAPI '${EAPI}'. Instead use 'tar'."
				fi
				$1 -c -- "$srcdir$x" | tar xof -
				$1 -c -- "$srcdir$x" | tar xof -
				__assert_sigpipe_ok "$myfail" || return 1
			else
				local cwd_dest=${x##*/}
				cwd_dest=${cwd_dest%.*}
				if ! $1 -c -- "${srcdir}${x}" > "${cwd_dest}"; then
					__helpers_die "$myfail"
					return 1
				fi
			fi
		}



tar is called twice, and then it works. there is no other version of tar in portage so cannot rollback. seems 1.30 has some flushing errors



here is the useless log:
gdansk ~ # emerge --info
Portage 2.3.40 (python 2.7.14-final-0, default/linux/amd64/17.0/no-multilib, gcc-7.3.0, glibc-2.25-r11, 2.6.32-042stab127.2 x86_64)
=================================================================
System uname: Linux-2.6.32-042stab127.2-x86_64-Intel-R-_Xeon-R-_CPU_E5-2680_v2_@_2.80GHz-with-gentoo-2.4.1
KiB Mem:     2097152 total,   1222176 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Sat, 01 Sep 2018 09:00:01 +0000
Head commit of repository gentoo: 692632c4e1fd984551915af8a658c558ce39c7b5
sh bash 4.4_p12
ld GNU ld (Gentoo 2.30 p2) 2.30.0
app-shells/bash:          4.4_p12::gentoo
dev-lang/perl:            5.12.4::gentoo
dev-lang/python:          2.7.14-r1::gentoo, 3.6.5::gentoo
dev-util/cmake:           3.9.6::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.4.1-r2::gentoo
sys-apps/openrc:          0.34.11::gentoo
sys-apps/sandbox:         2.13::gentoo
sys-devel/autoconf:       2.13::gentoo, 2.69::gentoo
sys-devel/automake:       1.11.1::gentoo, 1.12.2::gentoo, 1.15.1-r2::gentoo
sys-devel/binutils:       2.22.90::gentoo, 2.30-r2::gentoo
sys-devel/gcc:            4.4.7::gentoo, 4.6.3::gentoo, 7.3.0-r3::gentoo
sys-devel/gcc-config:     1.7.3::gentoo
sys-devel/libtool:        2.4.6-r3::gentoo
sys-devel/make:           4.2.1-r4::gentoo
sys-kernel/linux-headers: 4.13::gentoo (virtual/os-headers)
sys-libs/glibc:           2.25-r11::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-verify-jobs: 1
    sync-rsync-verify-metamanifest: yes
    sync-rsync-extra-opts: 
    sync-rsync-verify-max-age: 24

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=core2 -Os -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=core2 -Os -pipe"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--usepkg"
ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync multilib-strict news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="pl en"
MAKEOPTS="-j1"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="X acl amd64 apache2 berkdb bzip2 cli crypt cups cxx dri fam fortran gdbm geoip git iconv ipv6 java jpeg libtirpc mmx modules mono mysql ncurses nls nptl openmp openssl pam pcre php png python readline seccomp sqlite sse sse2 sse3 ssl ssse3 tcpd threads truetype unicode xattr xen xpm zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias reqtimeout proxy_ajp proxy proxy_balancer unixd proxy_connect proxy_http proxy_wstunnel slotmem_shm authn_core authz_core socache_shmcb substitute remoteip http2 ratelimit ident asis log_forensic" APACHE2_MPMS="worker" CALLIGRA_FEATURES="karbon plan sheets stage words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 sse3 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="pc xen" INPUT_DEVICES="libinput keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-1" POSTGRES_TARGETS="postgres9_5 postgres10" PYTHON_SINGLE_TARGET="python3_6" PYTHON_TARGETS="python2_7 python3_6" RUBY_TARGETS="ruby23" USERLAND="GNU" VIDEO_CARDS="amdgpu fbdev intel nouveau radeon radeonsi vesa dummy v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LANG, LC_ALL, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
Comment 1 Zac Medico gentoo-dev 2018-09-01 23:06:18 UTC 
This might be a filesystem issue, what type of filesystem is /var/tmp/portage on?
Comment 2 Mateusz Klatt 2018-09-02 08:29:48 UTC 
Unfortunately it's a crappy

gdansk ~ # cat /proc/version 
Linux version 2.6.32-042stab127.2 (root@kbuild-rh6-x64.eng.sw.ru) (gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) ) #1 SMP Thu Jan 4 16:41:44 MSK 2018
gdansk ~ # cat /proc/mounts  
/dev/simfs / simfs rw,relatime 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=600,ptmxmode=000 0 0
shm /dev/shm tmpfs rw,nosuid,nodev,noexec,relatime 0 0
cgroup_root /sys/fs/cgroup tmpfs rw,nosuid,nodev,noexec,relatime,size=10240k,mode=755 0 0
blkio /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio,name=beancounter 0 0
memory /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
dev /dev devtmpfs rw,nosuid,relatime,size=10240k,mode=755,gid=500 0 0
mqueue /dev/mqueue mqueue rw,nosuid,nodev,noexec,relatime 0 0
none /dev/pts devpts rw,relatime,gid=5,mode=600,ptmxmode=000 0 0
none /dev/shm tmpfs rw,relatime 0 0

but I pay 1 euro per month for Bandwidth 10 TB, Disk Space 25 GB and working VPN over TAP. Userland is also recent. So I would like to keep it :) and it has native IPV6 too, tor node also allowed (https://rotterdam.klatt.ie/ - sorry thats just frontend and its dead, because server in question I'm recovering as we speak (different jurisdiction), and IPv6/IPV4/TOR node was running as backend there (bitcoind)).
Comment 3 Mateusz Klatt 2018-09-02 08:31:02 UTC 
and SSD drive :)
Comment 4 Francesco Turco 2019-11-01 18:13:05 UTC 
@Mateusz Klatt: can you still reproduce this problem on an updated system?
Comment 5 Zac Medico gentoo-dev 2019-11-01 20:48:40 UTC 
(In reply to Mateusz Klatt from comment #2)
> /dev/simfs / simfs rw,relatime 0 0

Looks like that simfs was broken somehow.