kernel bug for amd iommu ?

M

mediaklan

Member
Sep 30, 2021
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Hi everyone,
I was thinking about reporting this call trace to bugzilla.proxmox.com, but since I have no idea what this is or what impact it has (proxmox seems fine ...), it might be a little premature.
Not too sure why this shows up in dmesg after reboot.
Here's the call trace :

Code: 
[    0.421611] ------------[ cut here ]------------
[    0.421613] WARNING: CPU: 0 PID: 1 at drivers/iommu/amd/init.c:837 iommu_init_irq+0x2e7/0x3b0
[    0.421618] Modules linked in:
[    0.421620] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.19-1-pve #1
[    0.421622] Hardware name: SYSTEM_MANUFACTURER HX90/HX90, BIOS 5.19 10/11/2021
[    0.421624] RIP: 0010:iommu_init_irq+0x2e7/0x3b0
[    0.421626] Code: ff be 01 00 00 00 44 89 ef 89 45 94 e8 f2 8f 93 ff 4c 89 e7 e8 da 87 93 ff 8b 45 94 e9 7c fd ff ff 0f 0b 31 c0 e9 73 fd ff ff <0f> 0b 31 c0 e9 6a fd ff ff 31 c9 48 c7 c2 fe ea c4 85 31 f6 bf 01
[    0.421628] RSP: 0018:ffffaa43c006fd00 EFLAGS: 00010246
[    0.421630] RAX: 0000000000000000 RBX: ffff98c68004a800 RCX: 0000000000000000
[    0.421631] RDX: 0000000000000018 RSI: ffffaa43c006fd10 RDI: ffffaa43c00800f0
[    0.421632] RBP: ffffaa43c006fd70 R08: 00000000000000e5 R09: 0000000000000000
[    0.421633] R10: 00000000000000e4 R11: ffffffffffffffff R12: ffff98c681a092c0
[    0.421634] R13: 0000000000000019 R14: 0000000000000001 R15: ffffffff8650d9f0
[    0.421636] FS:  0000000000000000(0000) GS:ffff98d54e600000(0000) knlGS:0000000000000000
[    0.421637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.421638] CR2: 0000000000000000 CR3: 0000000534410000 CR4: 0000000000750ef0
[    0.421639] PKRU: 55555554
[    0.421640] Call Trace:
[    0.421641]  <TASK>
[    0.421642]  ? vprintk+0x58/0x90
[    0.421646]  iommu_go_to_state+0x1349/0x1617
[    0.421649]  ? e820__memblock_setup+0x85/0x85
[    0.421652]  amd_iommu_init+0x15/0x4b
[    0.421653]  ? e820__memblock_setup+0x85/0x85
[    0.421654]  pci_iommu_init+0x1a/0x44
[    0.421655]  do_one_initcall+0x48/0x1d0
[    0.421659]  kernel_init_freeable+0x27f/0x2e8
[    0.421661]  ? rest_init+0x100/0x100
[    0.421664]  kernel_init+0x1b/0x150
[    0.421665]  ? rest_init+0x100/0x100
[    0.421666]  ret_from_fork+0x22/0x30
[    0.421668]  </TASK>
[    0.421669] ---[ end trace 188b09cdad910e34 ]---

Anyone else with this kind of message ?
 
Oups, you're right, maybe I should give some infos first :
# apt update ; uname -a
Code: 
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
All packages are up to date.
Linux 5.15.19-1-pve #1 SMP PVE 5.15.19-1 (Fri, 04 Feb 2022 06:09:14 +0100) x86_64 GNU/Linux

# inxi -F
Code: 
System:    Kernel: 5.15.19-1-pve x86_64 bits: 64 Console: tty 0 Distro: Debian GNU/Linux 11 (bullseye)
Machine:   Type: Desktop System: SYSTEM_ product: HX90 v: N/A serial: N/A
           Mobo: N/A model: HX90 serial: N/A UEFI: American Megatrends LLC. v: 5.19 date: 10/11/2021
CPU:       Info: 8-Core model: AMD Ryzen 9 5900HX with Radeon Graphics bits: 64 type: MT MCP L2 cache: 4 MiB
           Speed: 3751 MHz min/max: 1200/3300 MHz Core speeds (MHz): 1: 3751 2: 3860 3: 3839 4: 3744 5: 3696 6: 3672 7: 4257
           8: 4475 9: 4114 10: 4435 11: 3783 12: 4584 13: 4229 14: 4019 15: 3675 16: 3811
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Cezanne driver: amdgpu v: kernel
           Display: server: X.org 1.20.11 driver: loaded: amdgpu unloaded: modesetting tty: 159x29
           Message: Advanced graphics data unavailable in console for root.
Audio:     Device-1: Advanced Micro Devices [AMD/ATI] Renoir Radeon High Definition Audio driver: snd_hda_intel
           Device-2: Advanced Micro Devices [AMD] Raven/Raven2/FireFlight/Renoir Audio Processor driver: N/A
           Device-3: Advanced Micro Devices [AMD] Family 17h HD Audio driver: snd_hda_intel
           Sound Server: ALSA v: k5.15.19-1-pve
Network:   Device-1: Intel Ethernet I225-V driver: igc
           IF: eno1 state: up speed: 1000 Mbps duplex: full mac: 1c:83:41:29:97:db
           Device-2: Intel Wi-Fi 6 AX200 driver: iwlwifi
           IF: wlp3s0 state: down mac: 84:1b:77:d2:b8:c9
Info:      Processes: 428 Uptime: 1d 2h 22m Memory: 62.24 GiB used: 14.78 GiB (23.7%) Init: systemd runlevel: 5 Shell: Bash
           inxi: 3.3.01
 
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