GNU bug report logs - #53246
Flameshot crashes on screen capture

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jacob Hrbek <kreyren <at> rixotstudio.cz>
To: bug-guix <at> gnu.org
Subject: Flameshot crashes on screen capture
Date: Fri, 14 Jan 2022 05:58:06 +0000

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bash-5.0$ flameshot
(process:6205): Gtk-WARNING **: 06:51:44.636: Locale not supported by C 
library.
    Using the fallback 'C' locale.
QSettings::value: Empty key passed
QSettings::value: Empty key passed
QSettings::setValue: Empty key passed
QSettings::value: Empty key passed
QSettings::setValue: Empty key passed
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setRenderHint: Painter must be active to set rendering hints
QPainter::setCompositionMode: Painter not active
QPainter::translate: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setBrush: Painter not active
[source ] [function ] [line ] Locales on your system are not properly 
configured. Falling back to defaults
terminate called after throwing an instance of 'std::runtime_error'
  what():  locale::facet::_S_create_c_locale name not valid
Aborted


Steps to reproduce:
1. Install flameshot e.g. `guix install flameshot`
2. Run `flameshot` in a terminal
3. Invoke the flameshot gui e.g. by clicking on the flameshot icon in 
the icon tray
4. Try to save screenshot and expect the failure above.

Info

GNU GuixSD (374fea0f3bc8035f626cb29e6045130df9ffdaf8)

bash-5.0$ cat /etc/config.scm
;; This is an operating system configuration generated
;; by the graphical installer.

(use-modules (gnu))
(use-service-modules
  cups
  desktop
  networking
  ssh
  xorg)

(operating-system
  (locale "en_US.utf8")
  (timezone "Europe/Prague")
  (keyboard-layout (keyboard-layout "us"))
  (host-name "leonid")
  (users (cons* (user-account
                  (name "kreyren")
                  (comment "Jacob Hrbek")
                  (group "users")
                  (home-directory "/home/kreyren")
                  (supplementary-groups
                    '("wheel" "netdev" "audio" "video")))
                %base-user-accounts))
  (packages
    (append
      (list (specification->package "nss-certs"))
      %base-packages))
  (services
      (append (list
         (service xfce-desktop-service-type)
            (service openssh-service-type)
            (service tor-service-type)
            (set-xorg-configuration
              (xorg-configuration
                (keyboard-layout keyboard-layout)))) %desktop-services))))
  (bootloader
    (bootloader-configuration
      (bootloader grub-bootloader)
      (targets (list "/dev/sda"))
      (keyboard-layout keyboard-layout)))
  ;; SECURITY(Krey): Swap partition is not zero-ed on reboot so it 
should reside on an encrypted device -- 
https://guix.gnu.org/en/manual/devel/en/html_node/Swap-Space.html
  ;;(swap-space
    ;;(target (uuid "c965c556-351d-4007-9d33-e7ffbc9c1701")))
  (mapped-devices
    (list (mapped-device
            (source
              (uuid "c3ff1f21-b82f-4566-b8a3-274352f40dd4"))
            (target "cryptroot")
            (type luks-device-mapping))
          (mapped-device
            (source
              (uuid "82c4852c-a46b-43e3-abdb-15600ae61e2e"))
            (target "cryptboot")
            (type luks-device-mapping))
          (mapped-device
            (source
              (uuid "b14e499f-0c4f-46f6-9adb-1b020f460b11"))
            (target "crypthome_kreyren")
            (type luks-device-mapping))))
  (file-systems
    (cons* (file-system
             (mount-point "/")
             (device "/dev/mapper/cryptroot")
             (type "btrfs")
             (dependencies mapped-devices))
           (file-system
             (mount-point "/boot")
             (device "/dev/mapper/cryptboot")
             (type "btrfs")
             (dependencies mapped-devices))
           (file-system
             (mount-point "/home/kreyren")
             (device "/dev/mapper/crypthome_kreyren")
             (type "btrfs")
             (dependencies mapped-devices))
           %base-file-systems)))
bash-5.0$ uname -r
5.14.14-gnu

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Message #8 received at 53246 <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maximedevos <at> telenet.be>
To: Jacob Hrbek <kreyren <at> rixotstudio.cz>, 53246 <at> debbugs.gnu.org
Subject: Re: bug#53246: Flameshot crashes on screen capture
Date: Fri, 14 Jan 2022 18:45:24 +0000

[Message part 1 (text/plain, inline)]

Hi,

Jacob Hrbek schreef op vr 14-01-2022 om 05:58 [+0000]:
> [...]
> [source ] [function ] [line ] Locales on your system are not properly
> configured. Falling back to defaults
> terminate called after throwing an instance of 'std::runtime_error'
>   what():  locale::facet::_S_create_c_locale name not valid
>   (locale "en_US.utf8")

IIRC and IIUC this is not a valid locale, try "en_US.UTF-8" instead.
Maybe the Guix System code should check if the locale string looks reasonable ...

Also, there appears to be a bug in a (dependency of) flameshot, because of
[source ], [function ]  and [line ] not being replaced with the location of the
source file, function name and the line number, but that seems more something
for upstream.

Greetings,
Maxime

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