[SRU]x86, sched: Treat Intel SNC topology as default, COD as exception
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] ------------[ cut here ]------------
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] sched: CPU #20's llc-sibling CPU #0 is not on the same node! [node: 1 != 0]. Ignoring dependency.
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] WARNING: CPU: 20 PID: 0 at /build/
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Modules linked in:
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] CPU: 20 PID: 0 Comm: swapper/20 Not tainted 5.4.0-107-generic #121~18.04.1-Ubuntu
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Hardware name: GIGABYTE G292-280-
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RIP: 0010:topology_
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Code: 41 5c 5d c3 80 3d 1e 75 ba 01 00 75 ec 89 f1 41 89 d9 89 fe 45 89 e0 48 c7 c7 b8 00 b4 a6 c6 05 04 75 ba 01 01 e8 b4 c7 03 00
<0f> 0b eb cb 0f 1f 44 00 00 55 0f b6 05 a3 8d f0 01 c6 05 9c 8d f0
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RSP: 0000:ffffb76b58
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa7264e88
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RDX: ffffffffa7264e88 RSI: 0000000000000096 RDI: 0000000000000046
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RBP: ffffb76b58e17ec8 R08: 0000000000000000 R09: 000000000002f680
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] R10: ffff8b69bf800000 R11: 00000000000002c0 R12: 0000000000000001
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] R13: 0000000000000014 R14: 0000000000000014 R15: 0000000000000002
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] FS: 000000000000000
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] CR2: 0000000000000000 CR3: 0000007ee1a0a001 CR4: 0000000000760ee0
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] PKRU: 00000000
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Call Trace:
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] set_cpu_
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] start_secondary
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] secondary_
Apr 6 02:33:31 G292-280 kernel: [ 0.007531] ---[ end trace 789d1f3abd3d96d4 ]---
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
summary: |
- kernel taint ( warning ) caused by smpboot.c: on 5.4.0 + [SRU]x86, sched: Treat Intel SNC topology as default, COD as exception |
We didn't find this on Ubuntu 20.04.4 LTS hwe-kernel ( 5.13.0-41-generic).
Both Ubuntu 20.04.4 ga-kernel and 18.04.6 hwe-kernel (5.4.0-107-generic) are found.