Hi,
Debian 13 has IBT enabled kernels:
$ grep CONFIG_X86_KERNEL_IBT /boot/config-*
/boot/config-6.12.43+deb13-amd64:CONFIG_X86_KERNEL_IBT=y
/boot/config-6.12.48+deb13-amd64:CONFIG_X86_KERNEL_IBT=y
I have one such system with an NVidia GPU and NVidia drivers run fine:
# nvidia-smi
Mon Oct 27 15:09:13 2025
+-----------------------------------------------------------------------------------------+
| NVIDIA-SMI 550.163.01 Driver Version: 550.163.01 CUDA
Version: 12.4 |
|-----------------------------------------+------------------------+----------------------+
| GPU Name Persistence-M | Bus-Id Disp.A | Volatile
Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap | Memory-Usage | GPU-Util
Compute M. |
| | |
MIG M. |
|=========================================+========================+======================|
| 0 NVIDIA L40S On | 00000000:B5:00.0 Off |
0 |
| N/A 31C P8 32W / 350W | 1MiB / 46068MiB | 0%
Default |
| | |
N/A |
+-----------------------------------------+------------------------+----------------------+
+-----------------------------------------------------------------------------------------+
| Processes:
|
| GPU GI CI PID Type Process name
GPU Memory |
| ID ID
Usage |
|=========================================================================================|
| No running processes found
|
+-----------------------------------------------------------------------------------------+
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https://bugs.launchpad.net/bugs/2122077
Title:
X86_KERNEL_IBT was never re-enabled after being temporarily disabled
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