** Also affects: linux-nvidia-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-nvidia (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux-nvidia-6.11 (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux-nvidia (Ubuntu)
Status: New => Invalid
** Changed in: linux-nvidia-6.11 (Ubuntu)
Status: New => Invalid
** Changed in: linux-nvidia (Ubuntu Noble)
Status: New => Fix Committed
** Changed in: linux-nvidia-6.11 (Ubuntu Noble)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2094821
Title:
PCI resources unassigned with Bluefield3 switch
Status in linux-nvidia package in Ubuntu:
Invalid
Status in linux-nvidia-6.11 package in Ubuntu:
Invalid
Status in linux-nvidia source package in Noble:
Fix Committed
Status in linux-nvidia-6.11 source package in Noble:
Fix Committed
Bug description:
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/[email protected]/
fixes the issue.
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