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Bug#1004649: needrestart: painfully slow, but just seems to be doing loops over and over again of dpkg-query --search /bin/dash
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Tim Connors
Jan 30, 2022, 9:10:03 PM1/30/22
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Package: needrestart
Version: 3.5-4
Severity: normal
After an upgrade of `xdg-desktop-portal/bullseye-backports` (which
needrestart didn't detect should be restarted, BTW:
tconnors 4388 0.0 0.0 617848 5372 ? Sl 2021 2:14 /usr/libexec/xdg-desktop-portal
tconnors 4396 0.0 0.0 602912 2396 ? Sl 2021 0:31 /usr/libexec/xdg-document-portal
root 4405 0.0 0.0 2572 1684 ? Ss 2021 0:00 \_ fusermount -o rw,nosuid,nodev,fsname=portal,auto_unmount,subtype=portal -- /run/user/738/doc
tconnors 4411 0.0 0.0 529116 27656 ? Sl 2021 8:13 /usr/libexec/xdg-desktop-portal-gtk
)
I was wondering why needrestart was taking even longer than usual. So
I ran a few 'ps axfu' and discovered it was continually restarting
dpkg-query --search /bin/dash over and over again:
root 1130884 1.3 0.3 137036 123668 pts/125 S+ 12:41 0:04 | | \_ apt install xdg-desktop-portal/bullseye-backports
root 1131701 0.0 0.0 137036 32332 pts/125 S+ 12:41 0:00 | | \_ apt install xdg-desktop-portal/bullseye-backports
root 1141619 0.0 0.0 2424 596 pts/125 S+ 12:41 0:00 | | \_ sh -c test -x /usr/lib/needrestart/apt-pinvoke && /usr/lib/needrestart/apt-pinvoke || true
root 1141622 0.3 0.0 29212 23020 pts/125 S+ 12:41 0:01 | | \_ /usr/bin/perl -w /usr/share/debconf/frontend /usr/sbin/needrestart
root 1141782 14.3 0.2 83300 77220 pts/125 S+ 12:42 0:45 | | \_ /usr/bin/perl /usr/sbin/needrestart
root 1152868 1.0 0.0 12052 6076 pts/125 S+ 12:47 0:00 | | \_ /usr/bin/perl /etc/needrestart/hook.d/10-dpkg /bin/dash
root 1152870 99.0 0.3 134264 129920 pts/125 R+ 12:47 0:00 | | \_ dpkg-query --search /bin/dash
With /etc/needrestart/hook.d/10-dpkg and dpkg-query --search /bin/dash
constantly recycling PIDs (but /usr/sbin/needrestart remaining at the
root of the process tree the whole time).
After a while, it finally moved onto /bin/bash, and then eventually
finished. Since every time I looked, it was executing `dpkg-query
--search`, which takes 3 seconds when the filesystem cache is warm on
my system, it seems those results should be cached in the
/usr/sbin/needrestart process and 10-dpkg hook not asked to keep
reprocessing the same file, since they're obviously not able to change
when you're at the final step of a dpkg run with the dpkg lock held.
-- Package-specific info:
needrestart output:
Your outdated processes:
blueman-applet[5988], blueman-tray[6581], cura[267343], dconf-service[4428], emacs[1624828], file:// Content[497712], firefox-esr[2340505], fvwm[5484], FvwmAnimate[2591535], FvwmButtons[2591539, 2593188], FvwmCommandS[2591537], FvwmPager[2593140, 2593330], gconfd-2[3813503], gnuplot[5473, 5480], gthumb[2057638], gvfs-afc-volume[1396368], gvfsd[4286], gvfsd-dnssd[1396447], gvfsd-http[33183], gvfsd-metadata[1396504], gvfsd-network[1396433], gvfsd-trash[1396378], gvfs-goa-volume[1396363], gvfs-gphoto2-vo[1396358], gvfs-mtp-volume[1396374], gvfs-udisks2-vo[1396062], ibus-daemon[4274], ibus-engine-sim[4415], ibus-extension-[4311], ibus-memconf[4308], ibus-portal[4318], ibus-ui-gtk3[4310], ibus-x11[4316], klauncher[1738491], pasystray[5464], pavucontrol[1395977], pnmixer[5987], pqiv[3247724], Privileged Cont[2341539], procmeter3[5381, 5378], pulseaudio[2475427], RDD Process[2350394], slic3r_main[271311], soffice.bin[3382689], solaar[5989], systemd[3436], teams[3883205, 3883066, 3883390, 3006485, 3883222, 3883061, 3005930, 3006471, 3883067, 3883320, 3005929], trayer[5463], WebExtensions[2341812], xbiff[6196, 7981], xclock[4902, 4903], xdg-desktop-por[4388, 4411], xdg-document-po[4396], xdg-permission-[4400], xload[2593144, 2593343], xmms2d[4141], xmms2-scrobbler[4152], xscreensaver[2443046], xterm[1701718, 531788, 241095, 2866935, 44828, 2893255, 2894250, 2849956, 2786598, 245266, 1528207, 1719135, 21443, 2370287, 2740199, 1132330, 211602, 88413, 2772560, 2375656, 2902583, 1912045, 1781102, 110242, 1478635, 1148690, 3081636, 2847751, 393443, 2439030, 2979687, 2132518, 2607852, 36770, 2354803, 3494011, 1789291, 4158013, 1713740, 1780214, 4887, 2341755, 3891991, 3010070, 1910392, 1375767, 1665193, 2610142, 2577114, 1585541, 3835957, 2738287, 2335579, 455387, 3390674, 1890801, 2411578, 915658, 3521849, 1780344, 1881688, 4888, 3364489, 854647, 1788777, 3015586, 1333721, 1912867, 2353805, 1183448, 1577276, 1147033, 2346460, 3461117, 2414908, 2344642, 1793822, 2340866, 1442080, 247038, 4018243, 5370, 1792550, 3419460, 1050139, 2520658, 2663801, 38535, 3381218, 110127, 2593345, 2854561, 2895087, 2416821, 2534132, 2513780, 1697027, 1696510, 2337920, 464879, 2344030, 241769, 2441787, 2365086, 409817, 2423313], x11vnc[5369, 5368, 5365, 5366]
-- System Information:
Debian Release: 11.2
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable'), (5, 'testing'), (2, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.10.0-9-amd64 (SMP w/12 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE=en_AU:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages needrestart depends on:
ii binutils 2.35.2-2
ii dpkg 1.20.9
ii gettext-base 0.21-4
ii libintl-perl 1.26-3
ii libmodule-find-perl 0.15-1
ii libmodule-scandeps-perl 1.30-1
ii libproc-processtable-perl 0.59-2+b1
ii libsort-naturally-perl 1.03-2
ii libterm-readkey-perl 2.38-1+b2
ii perl 5.32.1-4+deb11u2
ii xz-utils 5.2.5-2
Versions of packages needrestart recommends:
ii libpam-systemd 247.3-6
Versions of packages needrestart suggests:
ii iucode-tool 2.3.1-1
pn needrestart-session | libnotify-bin <none>
-- no debconf information
Version: 3.5-4
Severity: normal
After an upgrade of `xdg-desktop-portal/bullseye-backports` (which
needrestart didn't detect should be restarted, BTW:
tconnors 4388 0.0 0.0 617848 5372 ? Sl 2021 2:14 /usr/libexec/xdg-desktop-portal
tconnors 4396 0.0 0.0 602912 2396 ? Sl 2021 0:31 /usr/libexec/xdg-document-portal
root 4405 0.0 0.0 2572 1684 ? Ss 2021 0:00 \_ fusermount -o rw,nosuid,nodev,fsname=portal,auto_unmount,subtype=portal -- /run/user/738/doc
tconnors 4411 0.0 0.0 529116 27656 ? Sl 2021 8:13 /usr/libexec/xdg-desktop-portal-gtk
)
I was wondering why needrestart was taking even longer than usual. So
I ran a few 'ps axfu' and discovered it was continually restarting
dpkg-query --search /bin/dash over and over again:
root 1130884 1.3 0.3 137036 123668 pts/125 S+ 12:41 0:04 | | \_ apt install xdg-desktop-portal/bullseye-backports
root 1131701 0.0 0.0 137036 32332 pts/125 S+ 12:41 0:00 | | \_ apt install xdg-desktop-portal/bullseye-backports
root 1141619 0.0 0.0 2424 596 pts/125 S+ 12:41 0:00 | | \_ sh -c test -x /usr/lib/needrestart/apt-pinvoke && /usr/lib/needrestart/apt-pinvoke || true
root 1141622 0.3 0.0 29212 23020 pts/125 S+ 12:41 0:01 | | \_ /usr/bin/perl -w /usr/share/debconf/frontend /usr/sbin/needrestart
root 1141782 14.3 0.2 83300 77220 pts/125 S+ 12:42 0:45 | | \_ /usr/bin/perl /usr/sbin/needrestart
root 1152868 1.0 0.0 12052 6076 pts/125 S+ 12:47 0:00 | | \_ /usr/bin/perl /etc/needrestart/hook.d/10-dpkg /bin/dash
root 1152870 99.0 0.3 134264 129920 pts/125 R+ 12:47 0:00 | | \_ dpkg-query --search /bin/dash
With /etc/needrestart/hook.d/10-dpkg and dpkg-query --search /bin/dash
constantly recycling PIDs (but /usr/sbin/needrestart remaining at the
root of the process tree the whole time).
After a while, it finally moved onto /bin/bash, and then eventually
finished. Since every time I looked, it was executing `dpkg-query
--search`, which takes 3 seconds when the filesystem cache is warm on
my system, it seems those results should be cached in the
/usr/sbin/needrestart process and 10-dpkg hook not asked to keep
reprocessing the same file, since they're obviously not able to change
when you're at the final step of a dpkg run with the dpkg lock held.
-- Package-specific info:
needrestart output:
Your outdated processes:
blueman-applet[5988], blueman-tray[6581], cura[267343], dconf-service[4428], emacs[1624828], file:// Content[497712], firefox-esr[2340505], fvwm[5484], FvwmAnimate[2591535], FvwmButtons[2591539, 2593188], FvwmCommandS[2591537], FvwmPager[2593140, 2593330], gconfd-2[3813503], gnuplot[5473, 5480], gthumb[2057638], gvfs-afc-volume[1396368], gvfsd[4286], gvfsd-dnssd[1396447], gvfsd-http[33183], gvfsd-metadata[1396504], gvfsd-network[1396433], gvfsd-trash[1396378], gvfs-goa-volume[1396363], gvfs-gphoto2-vo[1396358], gvfs-mtp-volume[1396374], gvfs-udisks2-vo[1396062], ibus-daemon[4274], ibus-engine-sim[4415], ibus-extension-[4311], ibus-memconf[4308], ibus-portal[4318], ibus-ui-gtk3[4310], ibus-x11[4316], klauncher[1738491], pasystray[5464], pavucontrol[1395977], pnmixer[5987], pqiv[3247724], Privileged Cont[2341539], procmeter3[5381, 5378], pulseaudio[2475427], RDD Process[2350394], slic3r_main[271311], soffice.bin[3382689], solaar[5989], systemd[3436], teams[3883205, 3883066, 3883390, 3006485, 3883222, 3883061, 3005930, 3006471, 3883067, 3883320, 3005929], trayer[5463], WebExtensions[2341812], xbiff[6196, 7981], xclock[4902, 4903], xdg-desktop-por[4388, 4411], xdg-document-po[4396], xdg-permission-[4400], xload[2593144, 2593343], xmms2d[4141], xmms2-scrobbler[4152], xscreensaver[2443046], xterm[1701718, 531788, 241095, 2866935, 44828, 2893255, 2894250, 2849956, 2786598, 245266, 1528207, 1719135, 21443, 2370287, 2740199, 1132330, 211602, 88413, 2772560, 2375656, 2902583, 1912045, 1781102, 110242, 1478635, 1148690, 3081636, 2847751, 393443, 2439030, 2979687, 2132518, 2607852, 36770, 2354803, 3494011, 1789291, 4158013, 1713740, 1780214, 4887, 2341755, 3891991, 3010070, 1910392, 1375767, 1665193, 2610142, 2577114, 1585541, 3835957, 2738287, 2335579, 455387, 3390674, 1890801, 2411578, 915658, 3521849, 1780344, 1881688, 4888, 3364489, 854647, 1788777, 3015586, 1333721, 1912867, 2353805, 1183448, 1577276, 1147033, 2346460, 3461117, 2414908, 2344642, 1793822, 2340866, 1442080, 247038, 4018243, 5370, 1792550, 3419460, 1050139, 2520658, 2663801, 38535, 3381218, 110127, 2593345, 2854561, 2895087, 2416821, 2534132, 2513780, 1697027, 1696510, 2337920, 464879, 2344030, 241769, 2441787, 2365086, 409817, 2423313], x11vnc[5369, 5368, 5365, 5366]
-- System Information:
Debian Release: 11.2
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable'), (5, 'testing'), (2, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.10.0-9-amd64 (SMP w/12 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE=en_AU:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages needrestart depends on:
ii binutils 2.35.2-2
ii dpkg 1.20.9
ii gettext-base 0.21-4
ii libintl-perl 1.26-3
ii libmodule-find-perl 0.15-1
ii libmodule-scandeps-perl 1.30-1
ii libproc-processtable-perl 0.59-2+b1
ii libsort-naturally-perl 1.03-2
ii libterm-readkey-perl 2.38-1+b2
ii perl 5.32.1-4+deb11u2
ii xz-utils 5.2.5-2
Versions of packages needrestart recommends:
ii libpam-systemd 247.3-6
Versions of packages needrestart suggests:
ii iucode-tool 2.3.1-1
pn needrestart-session | libnotify-bin <none>
-- no debconf information
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