Arkisto, maaliskuu 2018

This is currently still present in Bionic’s Shotwell 0.28.1-0ubuntu1

31. maaliskuuta 2018 klo 17.25
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: Shotwell

This is currently still present in Bionic’s Shotwell 0.28.1-0ubuntu1.

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gnome-shell crashed with SIGSEGV in meta_window_get_monitor()

30. maaliskuuta 2018 klo 12.39
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: Gnome

Had been AFK for a couple of hours with the display turned off, came back and turned it on when this occurred.

I’ve redirected Gnome Shell related log entries away from my syslog so I’m attaching the separate log here.

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mp3cut makes output file executable

26. maaliskuuta 2018 klo 15.55
Sijainti: Vianhallintajärjestelmät: Launchpad

== Steps to reproduce ==
$ wget -q ’https://upload.wikimedia.org/wikipedia/commons/a/a5/Uncle_Josh_and_the_Insurance_Company_-_Cal_Stewart.mp3’ && mp3cut -o test.mp3 Uncle_Josh_and_the_Insurance_Company_-_Cal_Stewart.mp3 &>/dev/null && ls -l test.mp3

== Expected result ==
-rw-r–r– 1 jani jani 2433848 maali 26 15:45 test.mp3

== Actual result ==
-rwxr–r– 1 jani jani 2433848 maali 26 15:45 test.mp3

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Looks like you can still enter ’Print’ in dconf-editor for a custom action

23. maaliskuuta 2018 klo 17.40
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: Gnome

Looks like you can still enter ’Print’ in dconf-editor for a custom action (/org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/customN/binding), so at least there’s that.

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PrintScreen is now bound to Gnome Settings Daemon, which is used to take screenshots instead of gnome-screenshot

23. maaliskuuta 2018 klo 17.18
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: Gnome

It seems that PrintScreen is now bound to Gnome Settings Daemon, which is used to take screenshots instead of gnome-screenshot. Keyboard settings (in Gnome settings) still has a screenshot shortcuts section in the keyboard shortcut settings, but those too now only trigger Gnome Settings Daemon’s screenshot feature, not gnome-screenshot.

What’s worse, disabling those shortcuts does not allow for remapping PrintScreen back to gnome-screenshot using a custom shortcut, as pressing PrintScreen in the shortcut selector window still just triggers the GSD ’blink’ instead of registering PrintScreen as the new shortcut key for the custom command. Only the screenshot section’s pre-defined actions allow for PrintScreen to be grabbed. (At least that’s what it does here.)

When the screenshot shortcuts are disabled, nothing is apparently saved anywhere despite the blink effect. The ”Save a screenshot to Pictures” shortcut has to be defined for the screenshots to actually get saved, and then they will be unconditionally saved to $XDG_PICTURES_DIR: https://bugzilla.gnome.org/show_bug.cgi?id=699642

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Flood of ”peer a.b.c.d:port is not from a LAN” in syslog

23. maaliskuuta 2018 klo 15.28
Sijainti: Vianhallintajärjestelmät: Launchpad

After upgrading from Xenial to Bionic, my syslog is being spammed by minissdpd. From today’s syslog going back three hours:

15.05 jani@saegusa:~$ grep ”is not from a LAN” /var/log/syslog | tail
Mar 23 15:03:30 saegusa minissdpd[1990]: peer 192.168.1.4:39280 is not from a LAN
Mar 23 15:03:33 saegusa minissdpd[1990]: message repeated 3 times: [ peer 192.168.1.4:39280 is not from a LAN]
Mar 23 15:03:36 saegusa minissdpd[1990]: peer 192.168.1.10:13206 is not from a LAN
Mar 23 15:03:36 saegusa minissdpd[1990]: peer 192.168.1.10:13206 is not from a LAN
Mar 23 15:03:51 saegusa minissdpd[1990]: peer 192.168.1.1:32769 is not from a LAN
Mar 23 15:04:21 saegusa minissdpd[1990]: message repeated 39 times: [ peer 192.168.1.1:32769 is not from a LAN]
Mar 23 15:04:29 saegusa minissdpd[1990]: peer 192.168.1.10:13206 is not from a LAN
Mar 23 15:04:29 saegusa minissdpd[1990]: peer 192.168.1.10:13206 is not from a LAN
Mar 23 15:04:50 saegusa minissdpd[1990]: peer 192.168.1.1:32769 is not from a LAN
Mar 23 15:04:51 saegusa minissdpd[1990]: message repeated 19 times: [ peer 192.168.1.1:32769 is not from a LAN]
15.05 jani@saegusa:~$ grep -c ”is not from a LAN” /var/log/syslog
1623

192.168.1.0 is my LAN.

According to the upstream report [1], specifying an interface should get rid of the ”not from a LAN” messages, and I can confirm that adding ”-i eth1” to the value of MiniSSDPd_OTHER_OPTIONS in /etc/default/minissdpd does just that. I don’t know how good a solution adding a fixed interface is though, I’d imagine switching to (e.g.) a wifi interface on a system with multiple interfaces would cause the message flood to reappear.

*[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890584

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Possible upstream issues

22. maaliskuuta 2018 klo 16.28
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: GnuPG

Possible upstream issues: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842015 -> https://dev.gnupg.org/T2818 (-> https://dev.gnupg.org/T2843#)

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Graphical prompt (pinentry-gnome3) invoked even when connected via ssh

22. maaliskuuta 2018 klo 16.09
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: GnuPG

When I’m connected to my desktop computer via ssh, with the desktop computer’s desktop environment running and unlocked, trying to decrypt a gpg-encrypted file causes gpg-agent to invoke pinentry-gnome3 on the desktop. Assuming I’m physically elsewhere, I’m obviously unable to use the prompt on the desktop to enter the passphrase.

This happens despite both pinentry-tty and pinentry-curses being present on the desktop (in addition to pinentry-gnome3), and having GPG_TTY point to the correct tty (export GPG_TTY=$(tty)). Under these circumstances I’d expect gpg-agent to gracefully fall back to non-graphical alternatives.

Granted, I’ve so far only simulated being physically elsewhere by first ssh’ing out of the desktop, then back in again from the other end. If gpg-agent is using some kind of magic to detect that in reality I’m still physically on the desktop, then this report is invalid (although I’d still feel uneasy about such magic).

== Steps to reproduce ==
1. log in to desktop computer A
2. use another computer B to ssh in to the desktop computer
3. still physically on B, invoke `gpg -d encrypted.gpg` on A (over ssh)

== What happens ==
Graphical passphrase prompt pops up on A, while your ssh terminal on B waits

== What I expect to happen ==
For a non-graphical passphrase prompt (such as pinentry-tty or pinentry-curses) to appear on B’s ssh terminal

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Upstream (based on a merged duplicate)

22. maaliskuuta 2018 klo 15.04
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: GnuPG

Upstream (based on a merged duplicate): https://dev.gnupg.org/T2011

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Interrupting pinentry-tty with ctrl-c leaves the terminal broken

22. maaliskuuta 2018 klo 15.02
Sijainti: Vianhallintajärjestelmät: Launchpad
Avainsanat: GnuPG

When pinentry-tty is used to prompt for the password, interrupting the prompt using ctrl-c leaves the terminal only partially working: only some letter keys are echoed back.

The terminal remains in this broken state for about a minute, after which it resets itself and everything starts working again.

Below, I’m swiping through all alphabet and numeric keys of my keyboard at both 14.54, where only ”469+esgxb” gets through, and again at 14.55 (the last line), where they all come through.

14.54 jani@saegusa:testejä$ export LC_ALL=C
14.54 jani@saegusa:testejä$ { sleep 60; echo ”60 seconds passed”; } & LC_ALL=C /usr/bin/gpg -d passwords.gpg
[1] 12375
gpg: AES encrypted data
Enter passphrase

Passphrase:
gpg: signal Interrupt caught … exiting

14.54 jani@saegusa:testejä$ 469+esgxb^C
14.55 jani@saegusa:testejä$ 60 seconds passed

[1]+ Done { sleep 60; echo ”60 seconds passed”; }
14.55 jani@saegusa:testejä$ 1234567890+wertyuiopåasdfghjklöäzxcvbnm,.

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