Bug#986312: NVRM: request_mem_region failed for 0M @ 0x0.

[PICCA Frederic-Emmanuel]

I have also this information in the syslog

Mar 29 08:01:51 re-grades-01 kernel: [    1.762583] pci 0000:42:04.0: BAR 15: no space for [mem size 0x138000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762584] pci 0000:42:04.0: BAR 15: failed to assign [mem size 0x138000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762586] pci 0000:42:08.0: BAR 15: no space for [mem size 0x138000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762587] pci 0000:42:08.0: BAR 15: failed to assign [mem size 0x138000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762589] pci 0000:42:0c.0: BAR 15: no space for [mem size 0x138000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762590] pci 0000:42:0c.0: BAR 15: failed to assign [mem size 0x138000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762592] pci 0000:43:00.0: BAR 1: no space for [mem size 0x10000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762593] pci 0000:43:00.0: BAR 1: trying firmware assignment [mem 0x2e080000000-0x2e08fffffff 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762594] pci 0000:43:00.0: BAR 1: [mem 0x2e080000000-0x2e08fffffff 64bit pref] conflicts with PCI Bus 0000:40 [mem 0x260c0200000-0x2e0c01ffff\
f window]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762595] pci 0000:43:00.0: BAR 1: failed to assign [mem size 0x10000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762596] pci 0000:43:00.0: BAR 8: no space for [mem size 0x100000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762597] pci 0000:43:00.0: BAR 8: trying firmware assignment [mem 0x2df80000000-0x2e07fffffff 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762598] pci 0000:43:00.0: BAR 8: [mem 0x2df80000000-0x2e07fffffff 64bit pref] conflicts with PCI Bus 0000:40 [mem 0x260c0200000-0x2e0c01ffff\
f window]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762599] pci 0000:43:00.0: BAR 8: failed to assign [mem size 0x100000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762600] pci 0000:43:00.0: BAR 3: no space for [mem size 0x02000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762601] pci 0000:43:00.0: BAR 3: trying firmware assignment [mem 0x2e0b0000000-0x2e0b1ffffff 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762602] pci 0000:43:00.0: BAR 3: [mem 0x2e0b0000000-0x2e0b1ffffff 64bit pref] conflicts with PCI Bus 0000:40 [mem 0x260c0200000-0x2e0c01ffff\
f window]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762603] pci 0000:43:00.0: BAR 3: failed to assign [mem size 0x02000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762604] pci 0000:43:00.0: BAR 10: no space for [mem size 0x20000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762604] pci 0000:43:00.0: BAR 10: trying firmware assignment [mem 0x2e090000000-0x2e0afffffff 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762606] pci 0000:43:00.0: BAR 10: [mem 0x2e090000000-0x2e0afffffff 64bit pref] conflicts with PCI Bus 0000:40 [mem 0x260c0200000-0x2e0c01fff\
ff window]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762606] pci 0000:43:00.0: BAR 10: failed to assign [mem size 0x20000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762607] pci 0000:42:04.0: PCI bridge to [bus 43]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762611] pci 0000:42:04.0:   bridge window [mem 0xca000000-0xcb3fffff]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762619] pci 0000:44:00.0: BAR 1: no space for [mem size 0x10000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762620] pci 0000:44:00.0: BAR 1: trying firmware assignment [mem 0x2df40000000-0x2df4fffffff 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762621] pci 0000:44:00.0: BAR 1: [mem 0x2df40000000-0x2df4fffffff 64bit pref] conflicts with PCI Bus 0000:40 [mem 0x260c0200000-0x2e0c01ffff\
f window]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762622] pci 0000:44:00.0: BAR 1: failed to assign [mem size 0x10000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762622] pci 0000:44:00.0: BAR 8: no space for [mem size 0x100000000 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762623] pci 0000:44:00.0: BAR 8: trying firmware assignment [mem 0x2de40000000-0x2df3fffffff 64bit pref]
Mar 29 08:01:51 re-grades-01 kernel: [    1.762624] pci 0000:44:00.0: BAR 8: [mem 0x2de40000000-0x2df3fffffff 64bit pref] conflicts with PCI Bus 0000:40 [mem 0x260c0200000-0x2e0c01ffff\


Maybe the conflict is responsible of this issue.

Do you have an idea of what should cause this conflict ?