grahamperrin@mowa219-gjp4 ~> qutebrowser https://www.freshports.org/lang/python311/
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
19:05:12 WARNING: GBM is not supported with the current configuration. Fallback to Vulkan rendering in Chromium.
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
fish: Job 1, 'qutebrowser https://www.freshpo…' terminated by signal SIGSEGV (Address boundary error)
grahamperrin@mowa219-gjp4 ~ [SIGSEGV]> qutebrowser https://www.freshports.org/lang/python311/
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
19:14:38 WARNING: GBM is not supported with the current configuration. Fallback to Vulkan rendering in Chromium.
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
[385847:385871:0626/191439.649684:ERROR:simple_file_enumerator.cc(58)] Could not get file info for /home/grahamperrin/.cache/qutebrowser/webengine/Cache/Cache_Data/todelete_3610484eb923023d_0_1
fish: Job 1, 'qutebrowser https://www.freshpo…' terminated by signal SIGSEGV (Address boundary error)
grahamperrin@mowa219-gjp4 ~ [SIGSEGV]> qutebrowser https://www.freshports.org/lang/python311/
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
19:15:05 WARNING: GBM is not supported with the current configuration. Fallback to Vulkan rendering in Chromium.
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
fish: Job 1, 'qutebrowser https://www.freshpo…' terminated by signal SIGSEGV (Address boundary error)
grahamperrin@mowa219-gjp4 ~ [SIGSEGV]> qutebrowser https://www.freshports.org/lang/python311/
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
19:15:17 WARNING: GBM is not supported with the current configuration. Fallback to Vulkan rendering in Chromium.
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
fish: Job 1, 'qutebrowser https://www.freshpo…' terminated by signal SIGSEGV (Address boundary error)
grahamperrin@mowa219-gjp4 ~ [SIGSEGV]>

Much the same for the page for nano:

grahamperrin@mowa219-gjp4 ~> qutebrowser https://www.freshports.org/editors/nano/
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
19:24:56 WARNING: GBM is not supported with the current configuration. Fallback to Vulkan rendering in Chromium.
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
fish: Job 1, 'qutebrowser https://www.freshpo…' terminated by signal SIGSEGV (Address boundary error)
grahamperrin@mowa219-gjp4 ~ [SIGSEGV]>

I toyed with qutebrowser only because https://www.freshports.org/lang/python311/ is currently quirky in one of my very heavily-extended Firefox profiles (not reproducible in a different profile, not reproducible in Tor Browser):

34db1064-90e8-4284-b5e6-39bea28aee1e-image.jpeg

The effect is not long-lasting, normal appearance resumes after a few seconds.