Public bug reported:
I've been experiencing softlocks for quite a while. Tried disabling
unused drivers, updating kernel, modifying grub. But after the kernel
update I got a hard hang.
root@admin:/home/baarsik# journalctl -k -b -2 --no-pager | grep -A40 "BUG:
kernel NULL pointer dereference"
Jul 02 09:44:02 admin.baarsik.me kernel: BUG: kernel NULL pointer dereference,
address: 0000000000000410
Jul 02 09:44:02 admin.baarsik.me kernel: #PF: supervisor read access in kernel
mode
Jul 02 09:44:02 admin.baarsik.me kernel: #PF: error_code(0x0000) - not-present
page
Jul 02 09:44:02 admin.baarsik.me kernel: PGD 3588dc067 P4D 3588dc067 PUD
3588ab067 PMD 0
Jul 02 09:44:02 admin.baarsik.me kernel: Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
Jul 02 09:44:02 admin.baarsik.me kernel: CPU: 4 UID: 0 PID: 162 Comm:
kworker/4:1 Tainted: G OE 6.11.0-29-generic #29~24.04.1-Ubuntu
Jul 02 09:44:02 admin.baarsik.me kernel: Tainted: [O]=OOT_MODULE,
[E]=UNSIGNED_MODULE
Jul 02 09:44:02 admin.baarsik.me kernel: Hardware name: AZW SER/SER, BIOS
SER5H508 12/12/2023
Jul 02 09:44:02 admin.baarsik.me kernel: Workqueue: 0x0 (events)
Jul 02 09:44:02 admin.baarsik.me kernel: RIP:
0010:pick_next_task_fair+0x256/0x6b0
Jul 02 09:44:02 admin.baarsik.me kernel: Code: c8 48 89 de e8 cb 57 ff ff e9 ec
fe ff ff 4c 8b 7d d0 4d 85 ff 0f 84 f5 00 00 00 41 83 bf 18 04 00 00 01 0f 84
e7 00 00 00 49 <81> bf 10 04 00 00 00 04 00 00 0f 84 d6 00 00 00 31 f6 4c 89 ff
e8
Jul 02 09:44:02 admin.baarsik.me kernel: RSP: 0018:ffffa5cbc06ffd40 EFLAGS:
00010046
Jul 02 09:44:02 admin.baarsik.me kernel: RAX: ffff8c5209745238 RBX:
ffff8c4d957fce00 RCX: ffff8c5bb0c376b0
Jul 02 09:44:02 admin.baarsik.me kernel: RDX: ffff8c5bb0c376b0 RSI:
ffff8c5209745180 RDI: 0000000000000000
Jul 02 09:44:02 admin.baarsik.me kernel: RBP: ffffa5cbc06ffd80 R08:
0000000000000000 R09: 0000000000000000
Jul 02 09:44:02 admin.baarsik.me kernel: R10: 0000000000000000 R11:
0000000000000000 R12: ffff8c5bb0c36b80
Jul 02 09:44:02 admin.baarsik.me kernel: R13: 0000000000000000 R14:
ffff8c4d8cd42940 R15: 0000000000000001
Jul 02 09:44:02 admin.baarsik.me kernel: FS: 0000000000000000(0000)
GS:ffff8c5bb0c00000(0000) knlGS:0000000000000000
Jul 02 09:44:02 admin.baarsik.me kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Jul 02 09:44:02 admin.baarsik.me kernel: CR2: 0000000000000410 CR3:
00000002c1ea6000 CR4: 0000000000350ef0
Jul 02 09:44:02 admin.baarsik.me kernel: Call Trace:
Jul 02 09:44:02 admin.baarsik.me kernel: <TASK>
Jul 02 09:44:02 admin.baarsik.me kernel: pick_next_task+0x5f/0xbe0
Jul 02 09:44:02 admin.baarsik.me kernel: __schedule+0x11e/0x6b0
Jul 02 09:44:02 admin.baarsik.me kernel: schedule+0x29/0xd0
Jul 02 09:44:02 admin.baarsik.me kernel: worker_thread+0x1d5/0x410
Jul 02 09:44:02 admin.baarsik.me kernel: ? srso_return_thunk+0x5/0x5f
Jul 02 09:44:02 admin.baarsik.me kernel: ? _raw_spin_lock_irqsave+0xe/0x20
Jul 02 09:44:02 admin.baarsik.me kernel: ? __pfx_worker_thread+0x10/0x10
Jul 02 09:44:02 admin.baarsik.me kernel: kthread+0xe4/0x110
Jul 02 09:44:02 admin.baarsik.me kernel: ? __pfx_kthread+0x10/0x10
Jul 02 09:44:02 admin.baarsik.me kernel: ret_from_fork+0x47/0x70
Jul 02 09:44:02 admin.baarsik.me kernel: ? __pfx_kthread+0x10/0x10
Jul 02 09:44:02 admin.baarsik.me kernel: ret_from_fork_asm+0x1a/0x30
Jul 02 09:44:02 admin.baarsik.me kernel: </TASK>
Jul 02 09:44:02 admin.baarsik.me kernel: Modules linked in: veth
nf_conntrack_netlink xt_nat xt_MASQUERADE xt_set ip_set nft_chain_nat nf_nat
nft_compat nf_tables xfrm_user xfrm_algo dummy qrtr cfg80211 ipt_REJECT
nf_reject_ipv4 xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 binfmt_misc nls_iso8859_1 snd_acp_legacy_mach
snd_acp_mach snd_soc_nau8821 snd_soc_dmic snd_acp3x_rn snd_acp3x_pdm_dma
snd_sof_amd_acp63 snd_sof_amd_rembrandt snd_sof_amd_acp snd_sof_pci amd_atl
intel_rapl_msr snd_sof_xtensa_dsp intel_rapl_common snd_sof snd_sof_utils
snd_intel_dspcfg snd_intel_sdw_acpi snd_pci_ps snd_amd_sdw_acpi soundwire_amd
soundwire_generic_allocation soundwire_bus snd_soc_core snd_compress ac97_bus
snd_pcm_dmaengine edac_mce_amd snd_rpl_pci_acp6x snd_acp_pci
snd_acp_legacy_common snd_pci_acp6x snd_pcm kvm_amd snd_timer ee1004 snd kvm
soundcore snd_pci_acp5x snd_rn_pci_acp3x rapl wmi_bmof snd_acp_config
snd_soc_acpi i2c_piix4 serio_raw cm32181 k10temp
snd_pci_acp3x ccp i2c_smbus industrialio input_leds mac_hid
Jul 02 09:44:02 admin.baarsik.me kernel: sch_fq_codel overlay iptable_filter
ip6table_filter ip6_tables br_netfilter bridge stp llc arp_tables dm_multipath
msr efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_generic
usbhid btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 linear
crct10dif_pclmul crc32_pclmul polyval_clmulni nvme polyval_generic
ghash_clmulni_intel nvme_core sha256_ssse3 sha1_ssse3 r8168(OE) psmouse video
xhci_pci nvme_auth i2c_hid_acpi xhci_pci_renesas i2c_hid wmi hid aesni_intel
crypto_simd cryptd
Jul 02 09:44:02 admin.baarsik.me kernel: CR2: 0000000000000410
Jul 02 09:44:02 admin.baarsik.me kernel: ---[ end trace 0000000000000000 ]---
Jul 02 09:44:02 admin.baarsik.me kernel: RIP:
0010:pick_next_task_fair+0x256/0x6b0
Jul 02 09:44:02 admin.baarsik.me kernel: Code: c8 48 89 de e8 cb 57 ff ff e9 ec
fe ff ff 4c 8b 7d d0 4d 85 ff 0f 84 f5 00 00 00 41 83 bf 18 04 00 00 01 0f 84
e7 00 00 00 49 <81> bf 10 04 00 00 00 04 00 00 0f 84 d6 00 00 00 31 f6 4c 89 ff
e8
root@admin:/home/baarsik# lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04.2 LTS
Release: 24.04
root@admin:/home/baarsik# dmidecode -t baseboard | grep -i
"Manufacturer\|Product Name"
Manufacturer: AZW
Product Name: SER
root@admin:/home/baarsik# dmidecode -t bios | grep -i "Version\|Release Date"
Version: SER5H508
Release Date: 12/12/2023
root@admin:/home/baarsik# dpkg -l | grep amd64-microcode
ii amd64-microcode 3.20250311.1ubuntu0.24.04.1
amd64 Processor microcode firmware for AMD CPUs
GRUB_CMDLINE_LINUX_DEFAULT=" \
processor.max_cstate=1 \
idle=nomwait \
amd_pstate=passive \
pcie_aspm=off \
nvme_core.default_ps_max_latency_us=0 \
nohz=off \
nohz_full=off \
tsc=reliable \
kernel.watchdog=1 \
kernel.soft_watchdog=1 \
nmi_watchdog=1"
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.11.0-29-generic 6.11.0-29.29~24.04.1
ProcVersionSignature: Ubuntu 6.11.0-29.29~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-29-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k6.11.0-29-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.28.1-0ubuntu3.7
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/pcmC0D0c', '/dev/snd/seq', '/dev/snd/timer']
failed with exit code 1:
CRDA: N/A
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
CasperMD5CheckResult: pass
Date: Wed Jul 2 13:20:34 2025
InstallationDate: Installed on 2024-04-29 (429 days ago)
InstallationMedia: Ubuntu-Server 24.04 LTS "Noble Numbat" - Release amd64
(20240423)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 8087:0029 Intel Corp. AX200 Bluetooth
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: AZW SER
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
ProcFB: 0 simpledrmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-29-generic
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro processor.max_cstate=1 idle=nomwait
amd_pstate=passive pcie_aspm=off nvme_core.default_ps_max_latency_us=0
rcu_nocbs=all nohz=off nohz_full=off tsc=reliable kernel.watchdog=1
kernel.soft_watchdog=1 nmi_watchdog=1
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
RelatedPackageVersions:
linux-restricted-modules-6.11.0-29-generic N/A
linux-backports-modules-6.11.0-29-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.13
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux-hwe-6.11
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/12/2023
dmi.bios.release: 5.19
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: SER5H508
dmi.board.asset.tag: Default string
dmi.board.name: SER
dmi.board.vendor: AZW
dmi.board.version: V2.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 35
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrSER5H508:bd12/12/2023:br5.19:svnAZW:pnSER:pvrDefaultstring:rvnAZW:rnSER:rvrV2.0:cvnDefaultstring:ct35:cvrDefaultstring:skuDefaultstring:
dmi.product.family: Default string
dmi.product.name: SER
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: AZW
** Affects: linux-hwe-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-hwe-6.11 in Ubuntu.
https://bugs.launchpad.net/bugs/2115803
Title:
6.11.0-29: pick_next_task_fair NULL pointer deref causing hard lockup
Status in linux-hwe-6.11 package in Ubuntu:
New
Bug description:
I've been experiencing softlocks for quite a while. Tried disabling
unused drivers, updating kernel, modifying grub. But after the kernel
update I got a hard hang.
root@admin:/home/baarsik# journalctl -k -b -2 --no-pager | grep -A40 "BUG:
kernel NULL pointer dereference"
Jul 02 09:44:02 admin.baarsik.me kernel: BUG: kernel NULL pointer
dereference, address: 0000000000000410
Jul 02 09:44:02 admin.baarsik.me kernel: #PF: supervisor read access in
kernel mode
Jul 02 09:44:02 admin.baarsik.me kernel: #PF: error_code(0x0000) -
not-present page
Jul 02 09:44:02 admin.baarsik.me kernel: PGD 3588dc067 P4D 3588dc067 PUD
3588ab067 PMD 0
Jul 02 09:44:02 admin.baarsik.me kernel: Oops: Oops: 0000 [#1] PREEMPT SMP
NOPTI
Jul 02 09:44:02 admin.baarsik.me kernel: CPU: 4 UID: 0 PID: 162 Comm:
kworker/4:1 Tainted: G OE 6.11.0-29-generic #29~24.04.1-Ubuntu
Jul 02 09:44:02 admin.baarsik.me kernel: Tainted: [O]=OOT_MODULE,
[E]=UNSIGNED_MODULE
Jul 02 09:44:02 admin.baarsik.me kernel: Hardware name: AZW SER/SER, BIOS
SER5H508 12/12/2023
Jul 02 09:44:02 admin.baarsik.me kernel: Workqueue: 0x0 (events)
Jul 02 09:44:02 admin.baarsik.me kernel: RIP:
0010:pick_next_task_fair+0x256/0x6b0
Jul 02 09:44:02 admin.baarsik.me kernel: Code: c8 48 89 de e8 cb 57 ff ff e9
ec fe ff ff 4c 8b 7d d0 4d 85 ff 0f 84 f5 00 00 00 41 83 bf 18 04 00 00 01 0f
84 e7 00 00 00 49 <81> bf 10 04 00 00 00 04 00 00 0f 84 d6 00 00 00 31 f6 4c 89
ff e8
Jul 02 09:44:02 admin.baarsik.me kernel: RSP: 0018:ffffa5cbc06ffd40 EFLAGS:
00010046
Jul 02 09:44:02 admin.baarsik.me kernel: RAX: ffff8c5209745238 RBX:
ffff8c4d957fce00 RCX: ffff8c5bb0c376b0
Jul 02 09:44:02 admin.baarsik.me kernel: RDX: ffff8c5bb0c376b0 RSI:
ffff8c5209745180 RDI: 0000000000000000
Jul 02 09:44:02 admin.baarsik.me kernel: RBP: ffffa5cbc06ffd80 R08:
0000000000000000 R09: 0000000000000000
Jul 02 09:44:02 admin.baarsik.me kernel: R10: 0000000000000000 R11:
0000000000000000 R12: ffff8c5bb0c36b80
Jul 02 09:44:02 admin.baarsik.me kernel: R13: 0000000000000000 R14:
ffff8c4d8cd42940 R15: 0000000000000001
Jul 02 09:44:02 admin.baarsik.me kernel: FS: 0000000000000000(0000)
GS:ffff8c5bb0c00000(0000) knlGS:0000000000000000
Jul 02 09:44:02 admin.baarsik.me kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Jul 02 09:44:02 admin.baarsik.me kernel: CR2: 0000000000000410 CR3:
00000002c1ea6000 CR4: 0000000000350ef0
Jul 02 09:44:02 admin.baarsik.me kernel: Call Trace:
Jul 02 09:44:02 admin.baarsik.me kernel: <TASK>
Jul 02 09:44:02 admin.baarsik.me kernel: pick_next_task+0x5f/0xbe0
Jul 02 09:44:02 admin.baarsik.me kernel: __schedule+0x11e/0x6b0
Jul 02 09:44:02 admin.baarsik.me kernel: schedule+0x29/0xd0
Jul 02 09:44:02 admin.baarsik.me kernel: worker_thread+0x1d5/0x410
Jul 02 09:44:02 admin.baarsik.me kernel: ? srso_return_thunk+0x5/0x5f
Jul 02 09:44:02 admin.baarsik.me kernel: ? _raw_spin_lock_irqsave+0xe/0x20
Jul 02 09:44:02 admin.baarsik.me kernel: ? __pfx_worker_thread+0x10/0x10
Jul 02 09:44:02 admin.baarsik.me kernel: kthread+0xe4/0x110
Jul 02 09:44:02 admin.baarsik.me kernel: ? __pfx_kthread+0x10/0x10
Jul 02 09:44:02 admin.baarsik.me kernel: ret_from_fork+0x47/0x70
Jul 02 09:44:02 admin.baarsik.me kernel: ? __pfx_kthread+0x10/0x10
Jul 02 09:44:02 admin.baarsik.me kernel: ret_from_fork_asm+0x1a/0x30
Jul 02 09:44:02 admin.baarsik.me kernel: </TASK>
Jul 02 09:44:02 admin.baarsik.me kernel: Modules linked in: veth
nf_conntrack_netlink xt_nat xt_MASQUERADE xt_set ip_set nft_chain_nat nf_nat
nft_compat nf_tables xfrm_user xfrm_algo dummy qrtr cfg80211 ipt_REJECT
nf_reject_ipv4 xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 binfmt_misc nls_iso8859_1 snd_acp_legacy_mach
snd_acp_mach snd_soc_nau8821 snd_soc_dmic snd_acp3x_rn snd_acp3x_pdm_dma
snd_sof_amd_acp63 snd_sof_amd_rembrandt snd_sof_amd_acp snd_sof_pci amd_atl
intel_rapl_msr snd_sof_xtensa_dsp intel_rapl_common snd_sof snd_sof_utils
snd_intel_dspcfg snd_intel_sdw_acpi snd_pci_ps snd_amd_sdw_acpi soundwire_amd
soundwire_generic_allocation soundwire_bus snd_soc_core snd_compress ac97_bus
snd_pcm_dmaengine edac_mce_amd snd_rpl_pci_acp6x snd_acp_pci
snd_acp_legacy_common snd_pci_acp6x snd_pcm kvm_amd snd_timer ee1004 snd kvm
soundcore snd_pci_acp5x snd_rn_pci_acp3x rapl wmi_bmof snd_acp_config
snd_soc_acpi i2c_piix4 serio_raw cm32181 k10tem
p snd_pci_acp3x ccp i2c_smbus industrialio input_leds mac_hid
Jul 02 09:44:02 admin.baarsik.me kernel: sch_fq_codel overlay iptable_filter
ip6table_filter ip6_tables br_netfilter bridge stp llc arp_tables dm_multipath
msr efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_generic
usbhid btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 linear
crct10dif_pclmul crc32_pclmul polyval_clmulni nvme polyval_generic
ghash_clmulni_intel nvme_core sha256_ssse3 sha1_ssse3 r8168(OE) psmouse video
xhci_pci nvme_auth i2c_hid_acpi xhci_pci_renesas i2c_hid wmi hid aesni_intel
crypto_simd cryptd
Jul 02 09:44:02 admin.baarsik.me kernel: CR2: 0000000000000410
Jul 02 09:44:02 admin.baarsik.me kernel: ---[ end trace 0000000000000000 ]---
Jul 02 09:44:02 admin.baarsik.me kernel: RIP:
0010:pick_next_task_fair+0x256/0x6b0
Jul 02 09:44:02 admin.baarsik.me kernel: Code: c8 48 89 de e8 cb 57 ff ff e9
ec fe ff ff 4c 8b 7d d0 4d 85 ff 0f 84 f5 00 00 00 41 83 bf 18 04 00 00 01 0f
84 e7 00 00 00 49 <81> bf 10 04 00 00 00 04 00 00 0f 84 d6 00 00 00 31 f6 4c 89
ff e8
root@admin:/home/baarsik# lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04.2 LTS
Release: 24.04
root@admin:/home/baarsik# dmidecode -t baseboard | grep -i
"Manufacturer\|Product Name"
Manufacturer: AZW
Product Name: SER
root@admin:/home/baarsik# dmidecode -t bios | grep -i "Version\|Release Date"
Version: SER5H508
Release Date: 12/12/2023
root@admin:/home/baarsik# dpkg -l | grep amd64-microcode
ii amd64-microcode 3.20250311.1ubuntu0.24.04.1
amd64 Processor microcode firmware for AMD CPUs
GRUB_CMDLINE_LINUX_DEFAULT=" \
processor.max_cstate=1 \
idle=nomwait \
amd_pstate=passive \
pcie_aspm=off \
nvme_core.default_ps_max_latency_us=0 \
nohz=off \
nohz_full=off \
tsc=reliable \
kernel.watchdog=1 \
kernel.soft_watchdog=1 \
nmi_watchdog=1"
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.11.0-29-generic 6.11.0-29.29~24.04.1
ProcVersionSignature: Ubuntu 6.11.0-29.29~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-29-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k6.11.0-29-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.28.1-0ubuntu3.7
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/pcmC0D0c', '/dev/snd/seq', '/dev/snd/timer']
failed with exit code 1:
CRDA: N/A
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
CasperMD5CheckResult: pass
Date: Wed Jul 2 13:20:34 2025
InstallationDate: Installed on 2024-04-29 (429 days ago)
InstallationMedia: Ubuntu-Server 24.04 LTS "Noble Numbat" - Release amd64
(20240423)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 8087:0029 Intel Corp. AX200 Bluetooth
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: AZW SER
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
ProcFB: 0 simpledrmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-29-generic
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro processor.max_cstate=1 idle=nomwait
amd_pstate=passive pcie_aspm=off nvme_core.default_ps_max_latency_us=0
rcu_nocbs=all nohz=off nohz_full=off tsc=reliable kernel.watchdog=1
kernel.soft_watchdog=1 nmi_watchdog=1
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
RelatedPackageVersions:
linux-restricted-modules-6.11.0-29-generic N/A
linux-backports-modules-6.11.0-29-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.13
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux-hwe-6.11
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/12/2023
dmi.bios.release: 5.19
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: SER5H508
dmi.board.asset.tag: Default string
dmi.board.name: SER
dmi.board.vendor: AZW
dmi.board.version: V2.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 35
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrSER5H508:bd12/12/2023:br5.19:svnAZW:pnSER:pvrDefaultstring:rvnAZW:rnSER:rvrV2.0:cvnDefaultstring:ct35:cvrDefaultstring:skuDefaultstring:
dmi.product.family: Default string
dmi.product.name: SER
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: AZW
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