Hi,

Thanks for the report. I could use more details:

Are you using KDE or Gnome (or something else) for the desktop environment? Wayland or X? If Wayland, did you enable wayland support in chromium or not (eg, running 'chromium --ozone-platform-hint=auto' or changing that in chromium's settings)? Did this behavior start with 135.0.7049.95-1~deb12u1, or was it present in earlier versions?

The description you provided does make it sound like a gpu driver issue. I suspect that firmware-amd-graphics from backports is intended to be paired with the linux kernel from backports. so I'd suggest trying to either downgrade to the bookworm version, or upgrading your kernel to 6.12 from backports and seeing if that fixes the issue.

Thanks,
Andres

On 4/24/25 01:16, Serena Star wrote:
Package: chromium
Version: 135.0.7049.95-1~deb12u1
Severity: important

Dear Maintainer,
Starting Chromium shows the icon in my task manager and an invisible window which is unusable. Apparently if I wait long enough, the program does become visible but I should not have to wait so long for the program to function. I even tried clearing out my ~/.config/chromium and this did not solve anything.
If I run Chromium in the terminal, the following output appears:
[110257:110286:0424/005604.072313:ERROR:nss_util.cc(344)] After loading Root Certs, loaded==false: NSS error code: -8018 Warning: loader_scanned_icd_add: Could not get 'vkCreateInstance' via 'vk_icdGetInstanceProcAddr' for ICD libGLX_nvidia.so.0 [110853:110853:0424/010017.407435:ERROR:gpu_blocklist.cc(119)] Unable to get gpu adapter [110257:110257:0424/010017.407792:ERROR:service_client.cc(36)] Unexpected on_device_model service disconnect: The device's GPU is not supported.

I am running Debian Bookworm. Since I see GPU errors appeared later in the output, I'd like to note that I am running the bookworm-backports versions of "firmware-amd-graphics" and "nvidia-driver-full". I expect Chromium to start up, be visible, and be usable within a few seconds. Instead, Chromium starts, but is invisible for a rather long time, and is unusable during that time. GPU errors that I seem to face only on Chromium are likely the cause of this.


-- System Information:
Debian Release: 12.10
  APT prefers stable-updates
 APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-33-amd64 (SMP w/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages chromium depends on:
ii  chromium-common 135.0.7049.95-1~deb12u1
ii  libasound2                                          1.2.8-1+b1
ii  libatk-bridge2.0-0                                  2.46.0-5
ii  libatk1.0-0                                         2.46.0-5
ii  libatspi2.0-0                                       2.46.0-5
ii  libc6                                               2.36-9+deb12u10
ii  libcairo2                                           1.16.0-7
ii  libcups2                                            2.4.2-3+deb12u8
ii  libdav1d6                                           1.0.0-2+deb12u1
ii  libdbus-1-3                                         1.14.10-1~deb12u1
ii  libdouble-conversion3                               3.2.1-1
ii  libexpat1                                           2.5.0-1+deb12u1
ii  libflac12                                           1.4.2+ds-2
ii  libfontconfig1                                      2.14.1-4
ii  libfreetype6  2.12.1+dfsg-5+deb12u4
ii  libgbm1                                             22.3.6-1+deb12u1
ii  libgcc-s1                                           12.2.0-14
ii  libglib2.0-0                                        2.74.6-2+deb12u5
ii  libgtk-3-0                                          3.24.38-2~deb12u3
ii  libharfbuzz-subset0                                 6.0.0+dfsg-3
ii  libharfbuzz0b                                       6.0.0+dfsg-3
ii  libjpeg62-turbo                                     1:2.1.5-2
ii  liblcms2-2                                          2.14-2
ii  libminizip1                                         1.1-8+deb12u1
ii  libnspr4                                            2:4.35-1
ii  libnss3                                             2:3.87.1-1+deb12u1
ii  libopenh264-7                                       2.3.1+dfsg-3+deb12u2
ii  libopenjp2-7                                        2.5.0-2+deb12u1
ii  libopus0                                            1.3.1-3
ii  libpango-1.0-0                                      1.50.12+ds-1
ii  libpng16-16                                         1.6.39-2
ii  libpulse0                                           16.1+dfsg1-2+b1
ii  libstdc++6                                          12.2.0-14
ii  libudev1                                            252.36-1~deb12u1
ii  libx11-6                                            2:1.8.4-2+deb12u2
ii  libxcb1                                             1.15-1
ii  libxcomposite1                                      1:0.4.5-1
ii  libxdamage1                                         1:1.1.6-1
ii  libxext6                                            2:1.3.4-1+b1
ii  libxfixes3                                          1:6.0.0-2
ii  libxkbcommon0                                       1.5.0-1
ii  libxml2 2.9.14+dfsg-1.3~deb12u1
ii  libxnvctrl0                                         525.85.05-3~deb12u1
ii  libxrandr2                                          2:1.5.2-2+b1
ii  libxslt1.1                                          1.1.35-1+deb12u1
ii  libzstd1                                            1.5.4+dfsg2-5
ii  xdg-desktop-portal-gtk [xdg-desktop-portal-backend  1.14.1-1
    ]
ii  xdg-desktop-portal-kde [xdg-desktop-portal-backend  5.27.5-2
    ]
ii  zlib1g                                              1:1.2.13.dfsg-1

Versions of packages chromium recommends:
ii  chromium-sandbox  135.0.7049.95-1~deb12u1

Versions of packages chromium suggests:
pn  chromium-driver  <none>
pn  chromium-l10n    <none>
pn  chromium-shell   <none>

Versions of packages chromium-common depends on:
ii  libc6        2.36-9+deb12u10
ii  libgcc-s1    12.2.0-14
ii  libstdc++6   12.2.0-14
ii  libx11-6     2:1.8.4-2+deb12u2
ii  libxcb1      1.15-1
ii  libxnvctrl0  525.85.05-3~deb12u1
ii  x11-utils    7.7+5
ii  xdg-utils    1.1.3-4.1
ii  zlib1g       1:1.2.13.dfsg-1

Versions of packages chromium-common recommends:
ii  chromium-sandbox                        135.0.7049.95-1~deb12u1
ii  fonts-liberation                        1:1.07.4-11
ii  libgl1-mesa-dri                         22.3.6-1+deb12u1
ii  plasma-workspace [notification-daemon]  4:5.27.5-2+deb12u2
ii  system-config-printer                   1.5.18-1
ii  udev                                    252.36-1~deb12u1
ii  upower                                  0.99.20-2

Versions of packages chromium-sandbox depends on:
ii  libc6  2.36-9+deb12u10

-- no debconf information



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