Bug#988404: linux: can't claim BAR 15 [mem 0x2df80000000-0x2e0b1ffffff 64bit pref]: no compatible bridge window

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From	PICCA Frederic-Emmanuel <picca@synchrotron-soleil.fr>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#988404: linux: can't claim BAR 15 [mem 0x2df80000000-0x2e0b1ffffff 64bit pref]: no compatible bridge window
Date	Wed, 12 May 2021 09:10:02 +0200
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Source: linux
Severity: normal

Dear Maintainer,

For futher information, you can have a look here

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986312

this bug makes it impossible to use all the graphical cards in my computer.
The computer contain 2 kinds of graphicalcards 3 x RTX 3090 and 6 x T4.

The proble is present also with the nouveau driver only.
This is why I think this is not related to the nvidia driver.

We checked that this problem is not present on a CentOS6 system so it must
be related to a specificity of the Debian kernel.

do not hesitate to ask for further information in order to help solve this issue.

thanks for considering

-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-6-amd64 (SMP w/192 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.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

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Bug#988404: linux: can't claim BAR 15 [mem 0x2df80000000-0x2e0b1ffffff 64bit pref]: no compatible bridge window PICCA Frederic-Emmanuel <picca@synchrotron-soleil.fr> - 2021-05-12 09:10 +0200
  Bug#988404: Info received (Bug#988404: Info received (Bug#988404: Acknowledgement (linux: can't claim BAR 15 [mem 0x2df80000000-0x2e0b1ffffff 64bit pref]: no compatible bridge window))) PICCA Frederic-Emmanuel <frederic-emmanuel.picca@synchrotron-soleil.fr> - 2021-05-12 10:40 +0200
  Bug#988404: marked as done (linux: can't claim BAR 15 [mem  0x2df80000000-0x2e0b1ffffff 64bit pref]: no compatible bridge window) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-07-10 21:50 +0200

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