Public bug reported: System with Mellanox Bluefield3 with a Bluefield3 card and 4 NVME when probing will see at dmesg some pci resources unassigned. Will see these messages at dmesg: [ 8.670754] pci 0006:03:00.0: BAR 0: assigned [mem 0x6300c0000000-0x6300c1ffffff 64bit pref] [ 8.679447] pci 0006:03:00.1: BAR 0: assigned [mem 0x6300c2000000-0x6300c3ffffff 64bit pref] [ 8.688134] pci 0006:03:00.2: BAR 0: no space for [mem size 0x00800000 64bit pref] [ 8.695876] pci 0006:03:00.2: BAR 0: failed to assign [mem size 0x00800000 64bit pref] [ 8.703974] pci 0006:03:00.0: BAR 7: no space for [mem size 0x02000000 64bit pref] [ 8.711714] pci 0006:03:00.0: BAR 7: failed to assign [mem size 0x02000000 64bit pref] [ 8.719811] pci 0006:03:00.1: BAR 7: no space for [mem size 0x02000000 64bit pref] [ 8.727553] pci 0006:03:00.1: BAR 7: failed to assign [mem size 0x02000000 64bit pref] [ 8.735650] pci 0006:03:00.0: BAR 6: assigned [mem 0x630040000000-0x6300400fffff pref] [ 8.743748] pci 0006:03:00.1: BAR 6: assigned [mem 0x630040100000-0x6300401fffff pref] [ 8.751845] pci 0006:03:00.0: BAR 0: assigned [mem 0x6300c0000000-0x6300c1ffffff 64bit pref] [ 8.760531] pci 0006:03:00.1: BAR 0: assigned [mem 0x6300c2000000-0x6300c3ffffff 64bit pref] [ 8.769217] pci 0006:03:00.2: BAR 0: no space for [mem size 0x00800000 64bit pref] [ 8.776956] pci 0006:03:00.2: BAR 0: failed to assign [mem size 0x00800000 64bit pref] [ 8.785052] pci 0006:03:00.0: BAR 6: assigned [mem 0x630040000000-0x6300400fffff pref] [ 8.793150] pci 0006:03:00.1: BAR 6: assigned [mem 0x630040100000-0x6300401fffff pref] [ 8.801247] pci 0006:03:00.1: BAR 7: no space for [mem size 0x02000000 64bit pref] [ 8.808987] pci 0006:03:00.1: BAR 7: failed to assign [mem size 0x02000000 64bit pref] [ 8.817086] pci 0006:03:00.0: BAR 7: no space for [mem size 0x02000000 64bit pref] [ 8.824828] pci 0006:03:00.0: BAR 7: failed to assign [mem size 0x02000000 64bit pref]
... [ 9.180489] pci_bus 0006:00: Some PCI device resources are unassigned, try booting with pci=realloc We were using the kernel parameter pci=realloc to avoid the failure but patch in this lore discussion https://lore.kernel.org/all/20241204022457.51322-1-kaihe...@nvidia.com/ fixes the issue. ** Affects: linux-nvidia (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2094821 Title: PCI resources unassigned with Bluefield3 switch To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-nvidia/+bug/2094821/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs